In addition to the above, there are Perkins Distributors in the majority
throughout
or
to one
the
world. For further details, apply to Perkins Engines Ltd., Peterborough.
of
the above companies.
of
countries
Page 4
CONTENTS
General Information
Cylinder Head
Pistons and
Cylinder Block and Uners
Crankshaft and
Timing Case
Connecting Rods
Main
Bearings
and
Drive
Flywheel and Flywheel Housing
Timing
Lubricating System
Cooling System
Fuel System
Air
Cleaner
Electrical System
Exhauster
Marine Engines
Lubricating
Glossary
of
Oils
Terms
Approved Service Tools
Examples
of
Service Facilities
Index
3
SECTION A
SEcnON
SECTION C
SECTION
SECTION E
SECTION
SECTION G
SECTION H
SECTION J
SECTION K
SECTION
SECTION M
SECTION
SECTION P
SECTION
Appendix
Appendix
Appendix
Appendix
Appendix
B
D
F
L
N
Q
FOREWORD
This Workshop Manual has been compiled for use
normal workshop
therefore, have been omitted
removal, dismantling, assembly
it
is
omitted from the text. Similarly, references
cleaning
removal
stood that these procedures will be carried
follows that any open ports
injection equipment, exposed by dismani:ling, will be blanked
re-assembled,
between the minimum and maximum dimensions which are
Manufacturing Data and Dimensions for the relevant component parts
quoted
turing tolerance". This tolerance
and its numerical value
quality
If
corresponding shaft have worn and
place
good workshop practice will ensure that consideration will be given
to
tion
Throughout this manual, whenever the
the
wheel end
joint
of
bum
in each
of
workmanship.
when carrying out a major overhaul it
in
the bush it may be necessary
the advisability
of
life that will involve labour costs at an early date.
engine is referred to, it
of
practice. Mention
faces, cleaning before inspection and re-assembly and
and scale have largely been omitted, it being under-
to
prevent the ingress
of
the sections in this manual
of
returning worn parts
the engine.
in order
or
of
is an expression
is
that
of
to
refitting
high precision components, e.a. fuel
is
side
avoid repetition. Where the
of
foreign matter. The difference
necessary
of
that
the majority
to
renew the bush only, however,
"left"
as
viewed from
in
certain accepted practices
of
out
is
as
the accuracy
is
to
conjunction with
a part
is
straightforward
to
renewing joints,
where applicable.
off
until
given in the
known
as
"the
an aid
found that a bush and
of
service with an expecta-
or
"right"
manufac·
to
manufacture
of
the desired
wear has taken
hand side
the
rear
or
fly-
It
as
of
Page 5
4
Unified
All
proprietary
American
The
block
number
mation
of
would
Another
where
fuel
engine
for
Threads a
THREADS
ENGINE
immediately
should
or
both
be I 54 U 251.
possible,
injection
when
this
system
equipment
Pipe
ordering
letters
and
later
viewed
nd
used
Series.
NUMBE
he
quoted
parts.
and
system
be
pump
would
Engi
ne Numb
on
the
4.154
arc
R is
behind
standardised
from
located
in full
The
figures,
of
on
the
the
be
GA
13870U500256D.
the
engine
engine
rear. A typical
er
Location
engine
Unified
on
fuel
when
number
an
example
numb<!ring will,
on a pad
left
hand
excepting
Series
the
cylinder
pump.
seeking
of
near
side
and
This
infor-
consists
wh1ch
the
of
the
number
This
manual
Department
endeavour
contained
but
due
turers
reserve
without
noti
is
of
is
made
herein
to
continuous
ce.
produced
Perkins
to
is correct
the
right
by
the
Service
Engines Limited
ensure
that
the
at the
to
alter
date
this
development the
Location
Publications
and
information
of
publication,
manufac-
specification
every
of
Engi
ne
Number
Page 6
5
ENGINE
VIEWS
View of Front
Perkins engines are built to individu
suit the applications for which they are intended and
the engine views
particular specification.
Left Hand Side
do
not necessarily typify any
of
4.154 Engine
al
requirements to
Page 7
6
View
of
Rear Right Hand Side
of
4.154 Engine
Page 8
7
Page 9
8
Page 10
----9
Page 11
10
~
e
-!'
<
.:::
•
'i
i
u
1
Cl>
.ii::
..
Q
i
u
.r
.§
!-<
....
Q
.t
>
1
]
~
~
_;
Page 12
11
Page 13
General Information
At
Type
Bore (Nominal, see page
Stroke
Capacity
Compression Ratio
Combustion
Firing Order
Valve
Automotive type Applications
Hydraulic Governor
Maximum Torque
System
Tip Clearance
Section
GENERAL
ENGINE DATA
D.l.)
RATING DETAILS
INFORMATION
'A'
Four
Cylinder,
3.5 in (88,9 mm)
4.0 in (101
153.9 in
21.5:1
Indirect Injection, Ante-Chamber
(Perkins
1-3-4-2
0.012 in (0,30 mm) Cold
70
bhp
113 lbf ft ( 15.6 kgf
Four
Stroke, In-Line
,6
mm)
3
(2,523 litres)
.
"H"
type)
at 3,600 rev/ min
m)
at 2,000 rev/min
Agricultural type Applications
Mechanical Governor
Maximum Torque
Intennittently Operated Industrial Applications
Mechanical Governor
Maximum Torque
Variable Speed Light Duty Industrial Applications
Hydraulic Governor
Maximum Torque
Continuously Operated Industrial Applications
Mechanical Governor
Minimum Governed
Note: The above ratings can vary according
Service Department, Perkins Engines, Ltd., Peterborough.
Speed
to
application.
62
bhp
113 lbf
bhp
62
113 lbf
70
bhp
ll3lbf
55
bhp
1800 rev/min
For
details
at 3,000 rev/min
ft
( 15,6 kgf m) at 2,000 rev/min
at 3000 rev/min
ft
( 15,6 kgf m) at 2,000 rev/min
at 3,600 rev/min
ft
(15,6 kgf
at 3,000 rev/min
of
m)
at 2,000 rev/min
individual ratings, apply
to
Page 14
General Information
A2
APPROXIMATE ENGINE WEIGHTS DRY
Engines with standard basic components, i.e. fuel injection
electrics.
lb
Automotive
Industrial
Agricultural
of
Installed approximate weight
starter
motor,
air cleaner,
engines including all components, and flywheel, flywheel housing
but
without
Automotive
Industrial
Agricultural
clutch.
DE-RATING
Where engines are called upon
The following table
a particular engine rating are not available.
is
given
to
operate in rarefied atmospheres occasioned
as
a general guide, which may be applied
430
400
430
lb
555
550
565
FOR
pump,
water and lubricating oil pumps, filters and
kg
195
180
195
kg
251
250
255
ALTITUDE
on
a percentage basis, where specific figures for
by
altitude,
or
they
should be de-rated.
backplate, fan,
Altitude
0 -
2,000
ft
(600
2,000 4,000 6,000
8,000
10,000 -
4,000
6,000
-
8,000
-
10,000 ft
12,000 ft
ft
ft
ft
metre)
( 1200 metre)
(I
800
metre)
(2400
metre)
(3000
metre)
(3600metre)
Any necessary adjustments in this respect
territory concerned. For
or
to
Overseas Companies listed
any
further information apply
on
Page 2.
..................
....................
....................
....................
....................
....................
to
the fuel pump, should
to
Maximum Fuel Delivery
Measured at
,
..
.
.
.
.
.
be
carried
800
rev /min Pump Speed
No change
6%
12%
18%
24%
30%
out
by
De-ratilll
the
C.A.V. dealer for the
Service Department, Perkins Engines Ltd., Peterborough,
Page 15
The
following wear limits indicate
serviced
or
replaced.
SERVICE WEAR LIMITS
the
condition when it is recommended
that
Generai Information
the
respective items should be
A3
Cylinder Head Bow
Maximum Bore Wear
(when reboring
Crankshaft Main and
Maximum Crankshaft End Float
Valve
Stem
Diametrical Clearance
Valve
H.ead
Rocker Clearance
Camshaft
Camshaft End Float
Idler Gear End Float
Top
Max.
or
new liners are necessary)
to
Guide Bore
Thickness
Journals
Piston Ring
on
Big
End Journals
at
Outer
Shaft
Lift
Edge
RECOMMENDED
The following figures will apply
Component
Cylinder Head Setscrews (also
Secure Rocker
Main Bearing Setscrews .............................................. .
position and engage the starter
starter
"heat
engine starts release the starter switch
position.
Always be sure that the starter pinion and flywheel
have stopped rotating before re-engaging the starter
motor, otherwise the ring
To
A spring loaded
normal engine controls and functions by cutting off
the fuel at the fuel injection pump.
the knob and hold in this position until the engine
ceases
the
experienced
stops
"off"
and ensure the engine stop control
motor
start"
Stop
the engine
to
rotate. Ensure
"run"
rotilting; the switch can then be turned to the
position to switch
is
warm, turn switch
to
switch in a
position, see Fig.
stop
position, otherwise difficulty may be
in
restarting the engine. When the engine
motor
<;lockwise
or
pinion may be damaged.
control
that
off
the electrical auxiliaries.
direction
A.l.
As
is
located near the
To
the control returns to
to
posi-
is
in
the
the
the
to
the
as
the
"run"
the fully open
by turning
soon
to
operate, pull
At
oc.•~+
Cold Starting
stop
Switch on, ensuring the engine
"run"
position. Turn on the fuel supply tap
cold starting aid reservoir where fitted. Turn the
starter switch
for fifteen
With the accelerator
the
starter switch to the
by engaging
start after twenty seconds, return the switch
"heat"
the starter
position.
should be released
on
the
off.
to
the
"heat"
to
twenty seconds.
the
starter motor.
position for
motor
As
cold starting reservoir (where fitted) turned
by switching to
soon.
as
to
position and hold it there
in
the
fully open position,
"heat
ten
seconds and then re-engage
the
engine starts,
the
"run"
control
start"
If
the engine does not
the
position, and
is
in the
of
the
the
turn
to
the
start"
switch
the
tap
position, there-·
"heat
Page 17
PREVENTIVE MAINTENANCE
General Information
AS
DAILY
level
of
Check
Check level
vehicle or machine
Check lubricating oil pressure (where gauge
In extreme dust conditions, empty dust bowl
type air cleaner.
Under adverse agricultural conditions, clean chaff
screens, radiators and centrifugal pre-filters.
4,000
MONTHS, whichever is the soonest.
Drain and renew lubricating oil - Lubricating oil
meet
must
specification in the appendix.
Renew element in lubricating oil filter.
Empty
Check fan belt tension -
3,000 rev/min the fan belt tension should
monthly.
Clean water trap.
Check engine for oil and water leakage.
Where fitted, lubricate dynamo rear bush.
coolant.
of
lubricating oil in sump (make sure the
is
standing level).
MILES
dry
(6,000
the approved specification. See oil
air cleaner dust bowl.
km)
1~0
HOURS
For
engines rated at above
is
be
checked
fitted).
on
dry
or
The Kilometre conversions
They are periods in Kilometres which should
of
in place
Operators
above
application, therefore he should
maintenance for his engine with the schedule specified
the engine
shorter periods also bearing in mind that on
low mileage work, the hours run are more applicable
than the mileage covered.
Whilst
maintenance,
3
local regulations concerning your vehicle or machine
and ensure that the engine
regulations.
Running-in Procedure
New
at full power
or
20 hours. Neither should they be run without any
load upon them.
To assist in the initial bedding in
such
should be used at
output
after which it may be operated at full power.
Do
for an extended period, nor by running the engine
at idling speeds with no load.
POST DELIVERY CHECKOVER
miles in relevant countries.
of
Preventative Maintenance schedule
by
or
as
not
4.154 engines are reminded that the
the manufacturer
is
fitted, and where necessary adapt the
we
have given specific periods for preventive
you
should have due regard for the
replacement engines should not be operated
output
piston rings, bearings, seals etc., the engine
for the first 500 miles (800 km) or 20 hours,
"run
about
in"
an engine by applying a small load
of
miles are
of
the application
is
operating within those
for the first 500 miles (800 km)
80%
of
not
accurate.
be used
is
c;ompare the routine
of
its maximum power
general in
to
which
stop-start
the moving parts
12,000 MILES (18,000 km)
MONTHS, whichever is
Tractor and Industrial applications, renew the final
fuel filter element;
Check and adjust tappets.
Check hoses and clips.
Clean element
not
indicated earlier)
24,000 MILES (36,000 .Ion)
Vehicle
element.
72,000 MILES (108,000
Arrange for examination
equipment, i.e. Compressor/Exhauste"r, Starter Motor,
Dynamo etc.
Service atomisers.
of
dry type air cleaner,
Applications, renew the final fuel filter
km)
450
the
soonest.
900
HOURS
2,700 HOURS
and
service
HOURS
or
renew, (if
of
proprietary
or
12
After a customer has taken deliveryof his engine, a
general checkover must be carried
500/1,000 miles
service and must include the retightening
cylinder head setscrews in the correct sequence. With
the engine thoroughly warmed through, the checkover comprises the following:-
Drain the lubricating oil sump and refill
1.
correct level with clean new engine oil (Do
overfill).
Renew lubricating oil filter element (canister).
2.
Tighten the cylinder head setscrews in the
3.
correct sequence (see
torque
Reset the valve tip clearances
4.
mm)
Check oil feed
5.
Check the tension
6.
Check the tightness
7.
screws, mountings, etc.
Start the engine and check for any fuel, coolant
8.
or
lubricating oil leaks.
Adjust idling speed
9.
(800/
1,600 km) or
of
80-85
(see page 8.5).
to
rockers.
fig.
lbf
of
the fan belt (see page K.2.)
if
necessary.
out
after the first
20/40
hours m
of
the
to
the
not
8.2)
and to the correct
ft (11,06-11,75 kgf m).
to
0.012 in (0,30
of
all
external nuts, set-
Page 18
General Information A6
PRESERVATION
OF
LAID-UP ENGINE
Batteries
Where an application which
engine
is
to
able that some measure
engine
intervening period before operations are
menced.
It
is recommended, therefore,
procedure be adopted and applied immediately the
unit
is
I.
2. Run the engine until well warmed through.
3. Discard the paper element in the full flow
4. Clean
5. Fill the lubricating oil sump
be laid-up for several months, it
to
ensure
that
withdrawn from service.
Thoroughly clean all external parts
engine.
Stop
the engine and drain the lubricating oil
sump.
cating oil filter, clean the filter bowl and fit a
new element. Fill the filter bowl (where
sible) with a new oil
list
of
approved lubricating oils appears in the
appendix.
out
the engine breather pipe.
with clean new lubricating oil
as
grade,
referred
is
powered. by a Perkins
of
protectic.n be afforded the
it suffers no
to
in
ill
effect during the
that
the following
of
an approved grade. A
to
the correct level
of
(3)
above.
an approved
is
advis-
recom-
of
lubri-
pos-
the
(a) Remove the
engine and
water, making sure
the separators
cov:ered.
(b) Recharge the
source
(c)
Screw home the vent plugs and clean the
battery
ture.
Clean the terminals and lightly smear
(d)
them with petroleum jelly.
(e)
Store in a cool, dry, dust-free place.
no account should the battery
where there
(f)-Recharge once a
rate
of
battery
top
of
supply.
removing all dust, dirt and mois-
is
charge,
or
up the cells with distilled
or
battery
a risk
batteries from the
that
the
top
separator guards are just
from a separate
of
freezing.
month
to
a state
edges
at
the
of
free gassing.
be
normal
of
On
left
Starters and Generators
Clean the terminals and lightly smear them with
petroleum .ielly
open, the
protected against water falling
If
gener:ttor
the machine
starter
is
and control panel must be
to
dire"ctly
stand in the
onto
them.
6. Carry
7. Drain water by opening all the drain taps
8. Remove the atomisers and spray into the
9. Replace the atomisers (using new
I
0. Remove the air cleaner and any air intake pipe
II.
12. Remove cylinder head cover. lubricate
out
cribed in the appropriate Fuel Pump section.
on the cylinder block and the radiator.
ensure complete draining,
remove the drain taps entirely and check that
the holes are
reasonable drainage period, refit the taps
open position.
cylinder bores
oil, divided between all cylinders.
and slowly
revolution.
which may be fitted between the air cleaner
and air intake.
orifice with waterproofed adhesive tape
other
Remove the exhaust pipe, and seal
orifice with adhesive tape as in
rocker assembly with engine oil and replace
cover.
attention
rotate
suitable medium.
to
the fuel
not
blocked by scale. After a
i pint (70 cm
the crankshaft one complete
Carefully seal the air intake
it
is
3
(I
pump
preferable
)
of
lubricating
joint
the
0) above.
as
both
in
washers)
or
some
manifold
des-
To
to
the
the
the
Fuel Injection Pump
Drain all fuel oil from the fuel tanks and filters.
I.
Put into the fuel tank at least a gallon
the oils listed
Inhibiting
construction
oil
is
inadequate, break the fuel feed line before
the first filter and connect a small capacity
auxiliary tank.
Prime the system as detailed
2.
Start
3.
4.
s.
the engine and run it until the oil has
circulated through the. injection
pipes and injectors, which will be after it has
run light, at
least fifteen minutes.
Stop
the engine.
Seal
the
waterproofed adhesive tape
of
water condensation during the lay-up period.
under
the
Fuel
of
about
air vent in the tank
"Recommended
System".
the
fuel
tank,
half maximum speed, for at
If,
because
this
on
page L.7.
or
filler cap with
to
reduce
of
one
Oils for
of
quantity
pump,
the
of
the
of
feed
risk
13. Remove the fan belt and retain this for refitting
when
the
engine
is
to
be returned
to
service.
Page 19
The proprietary brands
mended for
panies. They may
world,
to
the
the
purpose
not
but
suitable oils may be obtained
appropriate companies. The specification
of
oils listed are recom-
by
the
be available in all parts
should include the following:-
Viscosity: The viscosity should
centistokes
likely
at
to
the
be experienced
Pour Point: Must be at least
not
lowest ambient temperature
on
l5°F
the lowest ambient temperature likely
on
experienced
be lower
be met during
The oils selected are
calibrating
or
testing pumps.
restarting and should preferably
than
the lowest temperature likely to
the
lay-up period.
not
necessarily suitable for
respective oil com-
of
by
the
reference
be greater than 22
restarting.
(9°C) lower
than
to
be
General Information A 7
PREPARING THE ENGINE FOR RETURN
SERVICE
When
the
engine
is
to
lowing procedure must be
1.
Thoroughly clean all external parts
observed:-
engine.
be returned
2. Carry
3. Ensure
out
cribed in
attention
the
Fuel Pump Section
that
the
cylinder block and rlJdiator
to
drain taps are correctly fitted in the closed
position and fill the system with clean coolant.
Check visually for leaks and remedy where
necessary.
4.
Rotate
freedom
the
water
of
the water pump seals.
pump
to
the
fuel pump
by hand
service,
on
Page A.8.
to
the
of
a!l
TO
fol-
the
des-
ensure
Caution
is
When oil
be allowed
being drained from the system it must not
to
fall on electrical equipment.
RECOMMENDED OILS FOR INHIBITING THE
FUEL SYSTEM
Lowest
Temperature
During
Lay-up
Esso
IL81S
Esso·IL1047
Shell
Calibration
Shell
Calibration
Shell
Fusus
Shell
Fuses
In
Note:
ture likely
........................
..... • .................
Fluid
"C" (U.K.)
Fluid
"B"
"A"
•...................
"A"
R1476
(Overseas)
(Old
Type)
choosing a suitable oil
to
be met
by
the
engine during
.
.
••.•••
...
.....
the
25°F
(-4°C)
0°F
(-l8°C)"
0°F (-l8°C)
-70°F
(-57°C)
-l5°F
(-26°C)
25°F (-l4°C)
lowest tempera-
the
lay-up
period should be estimated, and the oil should be
that
the
such
as,
or
lower
made
to
been at least
table for
temperature given in the table
than
restart
not
this estimate. No
the
en~ne
l5°F
(9 C) above
less
than
24
until
hours; otherwise there may
the
be difficulty in obtaining a free flow
attempt
temperature has
that
.Df
is
as low
should be
shown in the
fuel.
5. Refit the fan belt and adjust
to
the correct
tension.
6. Remove the cylinder head cover, lubricate the
rocker assembly with engine oil and replace the
cover.
7. Remove the adhesive tape from
the
orifice and refit
gauze
is
clean and if
with clean engine oil to
8.
Refit any air intake pipe between the air cleaner and
the
air intake
air cleaner. Ensure that the
it
is the oil bath type, fill
the
whiCh
the
air intake
correct level.
may have been
removed during laying-up procedure.
9. Remove the adhesive tape from the exhaust
the
manifold orifice and refit
exhaust pipe
using new joints.
10. Connect
fully charged and topped
the
battery
or
batteries
up
as
necessary with
into
circuit,
distilled water.
Starters and Dynamos
11. Wipe the grease from
that
all connections are sound.
fitted with a Bendix
the
terminals and check
type
If
of
drive, which proves
the
starter is
sluggish in engagement when operated, the
starter
motor
should be removed and the drive
cleaned thoroughly in a suitable cleaning fluid.
Lubricate with a little light engine oil before
replacement.
12. Check the level and condition
the
sump. Change the oil
the
engine in
the
normal manner checking
13.
oil in
Start
for oil pressure and dynamo charge
ately.
the
14. Whilst
temperature it
running normally and
engine is attaining normal running
is
advisable
that
it is free from water,
fuel and lubricating oil leaks.
to
of
if
check
the
lubricating
necessary.
immedi-
that
it
is
Page 20
General Information
D.P.A.
Distributor
Remove the adhesive tape from the fuel tank
1.
vent or filler cap.
Drain the fuel tank
2.
and condensed water, and refill the tank with
fuel oil.
3. Fit a new filter element and
oil flows free from air bubbles (see page L.8)
4. Air vent and prime the pump (see page L.7).
Pump
AS
to
remove any remaining oil
vent the filter until
NOTE:
If
the foregoing instructions are observed, the
laying-up and returning to service should be carried
out efficiently and without adverse affect on the
engine. Perkins Engines Ltd., however, cannot accept
liability for direct or consequential damage that
might arise following periods
of
laying-up.
FROST
Precautions against damage
if the engine
weather either by adequately draining the water
system or where this is not convenient, an anti-freeze
of
corrosion inhibitor may be used.
Should it be your policy
When draining a cooiing system, ensure that the
PRECAUTIONS
by
is
to be left exposed to inclement
reputable make and incorporating a suitable
damage by adding anti-freeze to the cooling system,
is
advisable that the manufacturers
mixture be contacted to ascertain whether their
products are suitable for
to ensure that their products will have no harmful
effect on the cooling system generally.
perience that the best results are obtained from
anti-freeze which conforms to British Standard 3151
or has been tested in accordance with
5 to
give
at least
The coolant solution containing
freeze manufactured to BS.3151 in water in a properly
maintained engine should maintain its anti-freeze and
anti-corrosive properties throughout the winter season
and in general, a safe life
ably be expected.
vehicle or machine
as
is
frost should
to
protect engines from frost
use
in Perkins Engines, also
good a result
25
of
12 months may reason-
on level ground.
be
taken
of
the relevant
It
is
our ex-
BS.5ll
7,
Clause
as
BS.315l.
per cent anti-
it
When
the engine
drained, but rotation
by:-
(a) Locking
drain hole being blocked
(b) The locking of the seal through the freezing
globules of moisture between the seal and the
insert.
Operators are therefore advised to-take these
tions when operating in temperatures below freezing
point:
1.
Before starting the engine,
by
hand, this will indicate if freezing has taken
place.
free any ice formation.
If
2.
3.
After an anti-freeze solution has been used, the
cooling system should be thoroughly flushed in
accordance with the anti-freeze manufacturer's
instructions before refilling with normal coolant.
it is impossible
the engine should be filled with warm water.
To
when all water has been drained, run the engine
for a few seconds at
ing any moisture remaining in pump.
is
drained the water
of
the pump may be prevented
of
the impeller
If
freezing has taken place, this should
avoid this trouble. the operator should.
by
by
to
tum
1dung speed, thus
pump
ice due
tum
to
sediment.
the water pump
the
pump
is
also
the pump
precau-
by
hand,
<11Spers-
of
If
the foregoing action
should be experienced,
cannot be held responsible for any frost damage
corrosion which may be incurred.
is
taken, no harmful effects
but
Perkins Engines Ltd.,
or
Page 21
fault finding chart
General Information
A9
FauH
Low cranking speed
Will not start
Difficult starting
Lack
of
power
Misfiring
Excessive fuel consumption
Black exhaust
Blue/white exhaust
Low oil pressure
Knocking
Erratic running
Vibration
High
Cylinder head gasket leaking. 55. Choked breather pipe.
26.
Overheating.
27.
Cold running. 57. Coolant level too low.
28.
Incorrect tappet adjustment.
29.
Sticking valves.
30.
Incorrect
h_igh
pressure pipes.
of
fuel.
32.
Pitted valves and seats.
33.
Broken, worn
34.
Worn valve stems and guides.
35.
Overfull air cleaner
36.
Worn
or
37.
Insufficient oil in sump.
39.
Oil pump worn.
40.
Pressure relief valve sticking open.
41.
Pressure. relief valve sticking closed.
42.
Broken relief valve spring.
43.
Faulty suction pipe.
44.
Choked oil filter.
45.
Piston seizure/pick up.
46.
Incorrect piston height.
47.
Damaged fan.
48.
Faulty engine mounting (Housing).
49.
Incorrectly aligned flywheel housing,
50.
Faulty thermostat.
51.
Restriction in water jacket.
damaged bearings.
52. Loose fan belt.
53.
Choked radiator.
54.
Faulty water pump.
56.
Damaged valve stem oil deflectors
58.
Blocked sump strainer.
Broken valve spring.
59.
18,
19.
20. 22,
31, 32. 33.
20, 21, 22. 24, 29.
23.
24. 25, 26. 27.
30,
32.
29.
31.32.
28. 29.
31,
32,
45,
56.
36.
45, 46,
28. 29.
30. 33.
or
sticking piston ring/s.
or
use of incorrect grade of oil.
33.
59.
31. 32. 33.
31, 32.
33.
35,
45.
(if
33.
59.
or
flywheel.
fitted).
Page 22
Section
Cylinder Head B 1
' ,
B
CYLINDER
The cylinder head
of
"cross flow" design with the exhaust and inlet
ing
ports
on
rod operated through the rocker gear mounted
top
cover which
the right hand side
a synthetic rubber oil deflecting seal,
exhaust valves are provided with two springs retained
by a hardened cap and split conical cotters. All valves
Cylinder
opposing sides. The overhead valves are push
of
the cylinder head, covered by a pressed steel
Head
is
a one piece high duty iron cast-
is
provided with a breather pipe fitted
of
the engine. Each inlet
both
CYLINDER HEAD DIMENSIONS
Overall depth
Skimming allowance
Pressure for Water Leak Test
Valve seat angle
Bore for Valve Guide
Bore for
Depth
of
Cylinder Head
Combustion Chamber Inserts
of
bore for Inserts
on
the
to
valve
has
inlet and
HEAD
operate in cast iron guides pressed into the head. The
upper
hemispherical in shape, being formed by an inserted
machined plug containing a throat connecting the
chamber to the cylinder.
cylinder head through jets
fishtail area in the combustion chamber inserts. The
cylinder head
twenty setscrews, seven
rocker shaft
part
of
the combustion chamber
Coolant is delivered
to
the valve bridge and
is
secured
to
the cylinder head.
3.248/3.252 in (82,5/82,6 mm)
Nil
30 lbf/in2 (2.11 kgf/cm
45°
0.500/0.5()1
1.375/1.3766 in (34,92/34,96 mm)
0.425/0.4281 in (10,79/
in (12,7/12,73 mm)
to
the cylinder block by
of
which also secure the
2
)
10,87 mm)
to
is
the
Combustion Chamber Inserts
Outside diameter
Clearance fit
Combustion Chamber Insert thickness
Height
Valve stem
C'learance fit
Valve head
Valve face angle
depth
Valve
Overall
Sealing arrangement
Valve Springs Inner
Fitted
Load at fitted length
Free length
Valve Springs Outer
Fitted
Load at
Free length
diameter
fit
of
Valve
diameter
below Cylinder Head face
diameter
of
diameter
below Cylinder Head face
length
length
length
fitted
stem
of
Valve
Valve sten: in Guide
of
Valve
length
in Guide
(Production)
(Service)
(Production)
(Service)
0.312/0.313
0.0015/0.0035
1.591/1.598
45°
0.029/0.041
0.060
in
(1,52
4.503/4.521
Synthetic
0.312/0.313
0.0015/0.0035
1.3937/1,4016
45°
0.027/0.040
0.060
4.503/4.5.21 in
in
Rubber
(I
,52
Nil
1.49 in (
28 ± 1.4
1.74 in
1.59 in
40±
1.8
37,84
lbf
(44,19
(40,38
2.0lbf(l8,1
r in
(45,97
(12,7
in (7
,92/7,95
in
(0,04/0,09
in
(40,41/40,59
in
(0,74/1,04
mm)
in (
114,38/114,83
Deflector
in (7 ,92/7,95
in
(0,04/0,09
in
(35,4/35,6
in
(0,69/1,02
mm)
(114,38/114,83
mm)
± 0,65 kgf)
mm)
mm)
± 0,91 kgf)
mm)
mm)
mm)
mm)
mm)
mm)
mm)
mm)
mm)
mm)
mm)
Rocker Levers
Rocker
Outside
Interference fit
Inside
Rocker Shaft
Outside
C'learance fit
Lubrication
Push Rods
Overall length
Outside
lever bore
diameter
diameter
diameter
of
diameter
diameter
of
Bush
of
Bush in bore
of
Bush
of
Shaft
Rocker
Lever Bush
(fitted)
on
Shaft
0.7188/0.7196
0.7199/0.7207
0.0003/0.0019
0.625/0.6258
0.6234/0.6244
0.0006/0.0024
No.
I Bracket
to
Rocker
8.5102/8.5412
0.247/0.25
Levers
in
in
(18,26/18,28
in
(18,29/18,30
in
(0,01/0,05
in
(15,87/15,89
in
(IS
,83/15,86
in
(0,01/0,06
through
(6,27/6,35
Shaft
in
(216,16/216,94
mm)
mm)
mm)
mm)
mm)
mm)
mm)
mm)
Page 24
To Remove the Cylinder Head
The following parts are bracketed
head which will have
to
be detached before the
cylinder head can be removed.
Lubricating oil filler tube.
Engine breather pipe.
to
Fuel pipe from lift pump
rear covet plate
of
cylinder head). See Fig.
fuel filter (bracketed
Fuel filter.
to
the cylinder
B.l.
to
Cylinder· Head
BJ
Because the
head
be necessary
ROCKER ASSEMBLY is secured
by
the cylinder head securing setscrews, it will
to
adopt the following procedure.
to
the
Remove the two self-locking nuts from studs locating
in Nos. 1 and 7 rocker support brackets,- counting
from the front. Loosen all the cylinder head setscrews
in the reverse order to
that
shown
on
Fig. B.2.
Remove the seven setscrews securing the rocker
assembly. The rocker assembly can now be removed.
Valves
To remove the valve collets use a valve spring compressor and a suitable adaptor.
The valves are numbered
original positions.
the valve depths relative
be contained within the limits quoted
See Fig. B.3. Valve seat and valve angle
both
inlet and exhaust valves.
If
servicing
to
ensure refitment
is
to
necessary, check that ·
the cylinder head face will
As
narrow a seat
on
Page B.2.
is
to
45° for
their
as
possible should be maintained.
When refitting the valve assembly into the cylinder
head, take care
inlet valve only
the rubber oil deflector
is
fitted
onto
the valve stem, open
on
the
that
end facing downwards, under the valve spring cap, see
Fig.B.3.
Bl
82
VALVE SEAT INSERTS cannot be fitted
to
the
4.154 engine.
Valve
Guides
When renewing valve guides, remove the worn guides
by
using a suitable dolly and press.
ment
of
pull in,
in
continued until the guide
of
operation
experienced in restarting.
new guides use a special tool with adaptor
but
of
care must be taken
the guide is commenced, the operation must be
is
fully home.
the guide into its location
is
completed, difficulty
Use
ensure correct guide protrusion
For
the replace-
that
when the pulling
If
is
of
the special stop will
as
quoted
the pulling
halted before the
is
likely
on
Page B 1,
to
to
be
see Fig. B.3.
83
Page 25
Cylinder Head
84
Valve Springs
84
0
0
0
0
c
Check the
specific lengths against the figures quoted on
8.2,
fatigue.
overhaul
Rocker Shaft Assembly
When
support brackets for re-assembly,
feed to the rockers
cylinder head, and a drilling in the base
support bracket locates with this hole,
Also note that the rocker shaft locating scallop
towards the front
Rocker Levers
If
rocker lever bushes are found
replacement, rocker levers complete with bushes
ready to fit are available.
Rocker level bushes are also available separately.
With early engines, the oil hole in the bush should
align with the oil hole in the rocker lever, but with
later engines, after fitting the bush, it should be
drilled with a 2 mm drill in line with the oil hole in
the rocker lever. With the latter operation, ensure
that all machining swarf
the rocker shaft.
valve
springs for pressures developed at
and for any signs
It
is
advisable to fit new springs when an
is
undertaken.
dismantling, take note
of
is
at the forward end
of
the shaft.
is
8.4.
The oil
of
Page 7.
Page
of
of
No. l
the
the
of
deterioration caused by
of
the order
see
Fig.
see
to
be in need
removed before assembling
is
BS
)
0·001in 0,02
O·OOZiin
n
m•
O,Olmm
above
-
n
DC
14-3
Combustion Chamber Inserts
To
·remove the inserts
through the atomiser bore and tap out.
To replace, locate the inserts
sion washers,
turning whilst the engine
When
cylinder head face should be checked against the
figures quoted on
Cylinder Head Distortion
The limits for cylinder head bow are given in
SERVICE WEAR LIMITS on Page A.3.
tion reveals a dimension in excess
quoted, a replacement cylinder head
as
no
allowance for skimming
Cylinder Head Gasket
Fit a new gasket when replacing the cylinder head.
This
is
the cylinder block top face.
see
fitted, the height
fitted DRY, and
Fig.
Page
use
a short length
by
means
8.5,
to prevent the inserts from
is
in service.
of
the insert in relation
8.1,
see
Fig.
is
provided.
is
located by two dowels in
See Fig.
of
8.6.
If
of
is
recommended,
8.7.
of
bar
the expan-
to
the
examina-
the limits
86
Page 26
Refitment
Before refitting the cylinder head, ensure that the
oilway in the block
clean. Examine the PUSH
fit into their location.
The rocker assembly
and
through Nos. I and 7 rocker support brackets and
secured by two nuts. The rocker shaft
positioned
securing stud. (Take care that the oilway in the base
of
No. I support bracket
corresponding oilway in the head. After fitting the
cylinder head, replace the seven longest setscrews
through the support brackets into the head and secure
finger tight.
Replace the remaining thirteen setscrews and tighten
them all progressively in the sequence shown in Fig.
B.2, until a final torque
kgf
should
Retighten the two rocker assembly securing nuts.
Valve Oearances
The
cold at
following
(a) With the valves rocking on No. 4 cylinder (the
of
Cylinder Head
top
face and cylinder head is
RODS
for straightness, and
is
is
located by two studs in the cylinder head
by
the scallop which locates on the front
m)
is
achieved. This final torque tightening stage
be
repeated.
valve
tip clearance should be set with the engine
0.012 in (0,3 mm)
procedure:-
period between the opening
and the. closing
clearance on No. 1 cylinder.
fitted before securing the head,
is
is
clean and aligns with the
of
80-851bfft
see
Fig. B.8, using the
of
the exhaust valve), set the
of
the inlet
(II,l-11,7
correctly
valve
Cylinder Head
(b) With the valves rocking on No. 2 cylinder, set
the clearance on No. 3 cylinder.
(c) With the valves rocking on No. I cylinder, set
the clearance on
(d) With the valves rocking on No. 3 cylinder, set
the clearance on No. 2 cylinder.
Atomisers
Refit the atomisers squarely into their locations using
a new sealing washer, and ensure that the securing
nuts are tightened evenly to a torque
(I
,4-1
,7
kgf m).
Engirie.Running Check
Before fitting the top cover, start the engine and run
at a fast idle.
Check for satisfactory oil pressure where a gauge
fitted. Check that lubricant is reaching the rocker
assembly. Check for fuel, oil and coolant leaks.
When
the engine is thoroughly warmed through, shut
down
ap~
re-torque the cylinder head securing setscrews.
clearances
Carry out this check again after
(800/I,600
When
the engine
to
0.012 in (0,30 mm).
km) or 20/40 hours in service.
No.4
is
cylinder.
cold,
re«:t
of I 0-12
the
500/1,000 miles
valve
BS
lbfft
tip
is
B1
B8
0·012in
0,30mm
clld
,,,
Page 27
• • •
Sect1on
Pistons and Connecting Rods C I
C
PISTONS
The pistons are
aluminium_alJoy, flat
rings, and one scraper ring above the gudgeon
one below
The gudgeon pins which are fully floating are located
axially in
The gudgeon pins are off-set, so ensure
and connecting rods are correctly assembled by means
of
the
rod
it.
the
numbers
big ends
manufactured
topped
pistons by circlips.
on the piston crowns and connecting
as
described later in this section.
with
AND
from high silicon
three compression
that
piR
and
the pistons
PISTON AND ROD DIMENSIONS
Pistons
Pisto!l
Type
Piston Height in relation
Bore Diameter for Gudgeon Pin
Transition fit
Compression Ring Groove Width top, 2nd and
Scraper Ring Groove Width
of
Pin in Bore
Rings
Compression,
Compression, 2nd and
Scraper,
Scraper,
Compression Ring Width,
Ring Clearance in Grooves
Scraper Ring Width,
Ring Clearance in Groove
Scraper Ring Width,
Ring Clearance in Groove
Compression Ring Gap,
Compression Ring Gaps, 2nd and 3rd
Scraper Ring Gap,
Scraper Ring Gap,
top
4th
5th
4th
5th
to
3rd
top,
4th
5th
top
Cylinder Block
4th
and
5th
2nd and
3rd
CONNECTING
The
connecting rods are manufactured from
molybdenum alloy steel stampings with an
section shank. The big ends are split at
the
rod axis, with each cap secured by
bolts. The big end bearing
placeable thin wall aluminium-tin steel backed shell
bearings, and
backed
Top
Face 0.000/0.004/
3rd
bronze
Flat topped
1.2495/1.250
0.00024
interference (0,001/0,01 mm)
0.096/0.097
0.1895/0.1905
Chrome plated
Internally stepped
Chrome plated, slotted
Slotted
0.093/0.0938
0.0022/0.004
0.1868/0.1875
0.002/0.0038
0.1865/0.1875
0.002/0.004
0.014/0.019
0.011/0.016
0.014/0.019
0.011/0.016
in clearance/0.00046
RODS
the
small end bores are fitted
lined bushes.
in
(0,00/0,lO mm) above
in (31 ,74/31,75 mm)
in
(2,44/2,46
in
(4,81/4,84
or
Chrome
in
(2,36/2,38
in
(0,05/0,10
in (
4,74/4,76
in
(0,05/0,10
in
(4,74/4,76
in
(0,05/0,10
in
(0,35/0,48
in
(0,28/0,41
in
(0,35/0,48
in (0,28/0,41 mm)
ri$tht
two
boreS are fitted with re-
in
mm)
mm)
inlay
mm)
mm)
mm)
mm)
mm)
mm)
mm)
mm)
mm)
"H"
an.llles
nuts and
with
steel
to
The Ring Gaps
larger diameter bore.
in diameter above
Gudgeon
Connecting
quoted
3.501
Pins
Type
Outside Diameter
Clearance fit
Rods
Type
Big
End
Small End
Connecting
Length
of
Small End
above are
0.003
in (0.08
in
(88,93 mm).
in Small End Bush
Parent
Bore
Parent
Bore
Rod
Big
from centre line
End
a~
measured in a 3.501 in (88,93 mm) diameter bore.
mm)
should be added to the figures given for every 0.001 in
Fully floating
1.24976/1.24996
0.00054/0.00175
"H"
Section
Width
of
Big End
to
centre line
2.395/2.3955
1.375/1.376
1.361/1.363 in
6.8115/6.8135
in
(60,83/60,84
in
(34,92/34,95
(34,57/34,62
in
If
gaps are measured in a
(0,03
in (31 ,74/31,75
in
(0,01/0,04
(173,01/173,06
mm)
mm)
mm)
mm)
mm)
mm)
mm)
increase
Page 28
Pistons and Connecting Rods C2
Connecting Rod End
Big
End Bolt Size
Thread
Type
of
of
Big End
Bolt
Float
Nut
0.0095/0.0131
7/16in(ll,ll
U.N.F.
Self Locking
in
(0,24/0,33
mm)
mm)
Note: When
Connecting
Large and small
Big
End nuts are removed, they must be replaced
Rod
alignment
end
Connecting Rod bores must be square and parallel with
in (0,25 mm) measured 5 in ( 127 mm) each side
the small
end
bush fitted, the limit
of±
0.010
II-~
.!:
~
~~
~·
~N
C:>O
+I +I
~
II
Small
End
Bushes
Cl
of
the axis
in (0,25 mm)
5in
127mm
-
by
of
the rod
is
reduced
5in
127mm
new ones.
on
to±
o e
- e
";g
'?N
i'jc:i
~~
each
other
within
the
test mandrel as shown in
0.0025
in
(0,06
mm).
-u
the
limits
Fig.
of±
C.
0.010
I.
With
Type
Length
Out~ide
of
Small End Bush
Diameter
Interference
Inside Diameter (finished bore in position
reaming)
Connecting Rod Bearings
Type
Shell Width
Outside Diameter
Inside Diameter
Connecting Rod Bearing Running Clearance
Steel Thickness
Aluminium
Fit
Tin
Thickness
of
Bush
of
of
Bearings
in
Rod
Bearings
after
Steel Backed, Bronze lined
1.047/1.055 in
1.3785/1.380
0.0025/0.005
1.2505/1.25
Steel
backed,
1.1208/1.1280
2.3955 in (60,85
2.2504/2.2515
0.0014/0.003
0.0467/0.0582
0.0138/0.0256
(26,59/26,80
in
(35,01/35,05
in
(0,06/0,13
15
in
(31,
Aluminium
in
(28,47
mm)
in
(57
,16/57,19
in
(0,04/0,08
in
(I
,19/1,48
in
(0,35/0,65
76/31 ,79
/28.,65
Tin
mm)
mm)
mm)
mm)
lined
mm)
mm)
mm)
mm)
mm)
Page 29
Remova1
of
Piston and Rods
Sump
On
some applications it will be found necessary
remove the engine from the chassis because the engine
support brackets are fastened
The pistons and connecting rods are removed from
the cylinder block through the
bores, see Fig. C.2.
Big
End Bearings
If
examination reveals
renew big end bearings, they should be suitably
marked
to
ensure ret'itment
to
the sump.
top
of
that
there is no necessity
to
their original positions.
the cylinder
to
to
Pistons and Connecting Rods C3
Gudge«,m
To
the pistons, immerse the pistons in a warm liquid
I00-120°F (40-50°C), when the pins, after removal
of
Pistons and Rings
If
able dependant upon the condition
Production
Service Standard -
Cylinder bore -
Pins
facilitate the removal
the circlips, can
new pistons are to be fitted, three grades are avail-
Standard-
be
of
the gudgeon pins from
easily withdrawn.
of
the
liners.
Piston topping allowance
tive to height above cylinder
top
face
is
block
in
(0,00/0,10 mm).
The piston
and
will
of
limit
Where engines have
conform
regulation B.S.AU14Ia:I971,
then
pistons must
topped
tion limits.
3.5010/3.5020 in
piston height.
to
standard production
to
0.000/0.004
is
minimum topped
not
exceed the top
the smoke density
be
maintain produc-
used and
rela-
to
{88,93/88,95 mm)
Service
Cylinder bore -
(0, 76
0.030 in mm)
Oversize
Two pistons are available: one
untapped
the
lation and one with minimum
topping which will
the
3.5310/3.5320 in
B.S.
top
limit
for topping
AU
14la:l971
of
piston height.
not
to
meet
regu-
exceed
(89,69/89,71 mm)
The maximum permissible worn ring lift
piston ring with a new ring fitted
mm).
In a worn cylinder bore, the piston ring gap should be
in
measured
der and checked against the dimensions
Page
C.l.
the unworn, clean portion
is
0.008
of
of
the
in
(0,20
the cylin-
quoted
top
on
C3
Page 30
Pistons and
Connecting
Rods C4
Connecting Rods
To
renew small
by means
new bushes, making sure
and rod small end align when fitted. Ream
new bush to dimension
squareness with big end bore. See
ing
mnnecting
Assembly
If
H
i~
intended to utilise the existing pistons, ensure
that they are relocated in their original positions
relative to connecting rod and cylinder bores.
Heat the pistons
il)sertwn
end
of
of
the gudgeon pin.
bushes, remove the worn bushes
a suitable press and dolly. Press in the
rod parallelism and twist.
in
liquid
that
the oil holes in the bush
quoted
to
J00-120°F
on
Page
C.2,
Page C.2, for check-
(40-50°C) for
out
the
ensuring
C4
is
given
on
Page
C.l,
they
piston.
beneath
see Fig.
are fitted
number
hom
on
On
It
will be
of
that
the
the
the
the
The piston ring layout
for cross sectional diagram showing layout
C.4
rings, note the position
rings.
Use
piston ring squce1.er when inserting the pistons
into
the cylinder bores.
Where piston rings are
the. marked face
rings
are marked
with the marked face
Each connecting rod
the cylinder to which it belongs counting
forward end
pistons are
camshaft
opposite side
assembly
repeated
assembling the caps
appear
noticed that each connecting rod assembly has its
own assembly
on
is
"TOP",
of
the engine, (1,2,3,4,). When the
in
the bores, these numbers are
side
of
the
of
the connecting rod will be found an
number.
on
the connecting rod cap and when
the same side, see Fig. C'.6.
number.
of
the internally stepped
m>!rked
to the skirt
to
the crown
is
stamped with the
engine, see Fig. C.S.
These assembly numbers are
to
The
'"BTM", ensure
of
ensure
rods, these numbers must
the piston. Where
that
of
the
letter
etched
of
C6
Page 31
assembly number
weight code.
When
refitting the connecting rod bearings, ensure
that the locating tabs
located in the machined recesses of the rod and
see
Fig.
C.
7.
(A
to F)
is
the
connecting rod
of
the bearings are correctly
cap,
Pistons and Connecting Rods
CS
Lubricate the bearing surfaces and
rod to the crankpin. Examine the securing bolts
serviceability and renew if necessary. Renew the nuts
and tighten evenly to a torque
for non-phosphated nuts or 60 lbf
phosphated nuts.
Piston height
see
Page
See
Fig.
C.
C.S.
in
relation to cylinder block top
I can
be
checked with the piston at
of
fit
the connecting
45 lbf
ft
ft
(8,3 kgf m) for
(6,2 kgf
T.D.C.
for
m)
face,
C7
cs
Page 32
-----··----
The cylinder block
crankcase in high
"dry"
type
The
crank
crankshaft axis.
case
duty
cylinder liners are fitted.
joint
Cylinder Block
Total
height
Bottom
Parent Bore diameter for Cylinder Liner
Cylinder Block recess
Cylinder Block Recess Bore
Main Bearing Parent Bore
No. 1 Bore for Camshaft
No.2
Bore for Camshaft
No.3
Bore
No.4
Bore for Camshaft
Cylinder Block
Cylinder Block Crankshaft
Five main beurings are fitted, which are replaceable
thin wall, aluminium tin lined, steel backed and retained by bearing
are located by dowels and secured by
steel setscrews.
BEARINGS
caps
of
AND MAIN BEARING DIMENSIONS
2.7485/2.749
1.391/1.421 in (35,4/36,1 mm)
1.4335/1.4415
1.4365/1.4385
9(64~5/32
2.2485(2.249
1.3725(1.3741 in
l/8
9{64
16
micro
0.010,0.020
2.211/2.212
0.050/0.080
0.004/0.008
3.9985/3.9995
0.5
in
(12,7
0.875 in (22,22 mm)
1.2495/1.251
0.003/0.015
in
in
(3,2/3,57
in
max
and
in
in
in
mm)
in
in
(3,57/3,97
in
in
(69,81/69,82
in
(36,4/36,6
in
(36,49/36,54
(57,10(57,12
(34,86/34,9
(0,4
0.030
(56,16/56,18
(I
,27/2,03
(0,1/0,2
in
(10 l ,56/10
(31,74/31,77
(0,08/0,38
mml
mm)
microns max)
in
(0,25,
mm)
high
mm)
mm)
mm)
mm)
mm)
mm)
I ,59 mm)
mm)
mm)
duty
cast iron which
two
mm)
0,51 and
high tensile
0,76
mm)
Main
Bearings
Crankshaft
Type
Shell Width for all Journals
Outside Diameter
Inside Diameter
Main Bearing
Steel Thickness
Aluminium
Thrust
Washers
Type
Position in Engine
Thrust
Washer Thickness
Thrust
Washer Thickness OfS
Thrust
Washer Diameter
of
Running
Tin
Thickness
of
Bearings
Bearings
Clearance
STD
(I)
(I)
backed,
Steel
1.122/1.130
2.917 in
2.7515/2.753
0.0025/0.0045
0.0625
0.0197
Steel backed Aluminium
Centre
0.0896/0.0915
0.0966/0.0985
3.744/3.756
Aluminium
in
(28
(60,84
in
(I
in
(0,50
Main Bearing
,5/28,7
mm)
in
(69,89/69,93
in
(0,06/0,
,59 mm) maximum
mm)
in
(2,26/2,32
in
(2,45/2,50
in (95,1{95,4 mm)
Tin
mm)
II
Tin
lined
mm)
mm) 1
mm)
mm)
Page 35
I
Crankshaft and
El
Main
Bearings E2
Crankshaft End
If
the thrust washers are to be renewed, remove the
centre main bearing cap which provides the location
for each
washers. With the cap removed, the
the washers are. accessible, see Figs.
The maximum permissible worn
(0,51 mm). The fitting
be used to bring the
tion limits
Removal
Remove the timing case, see Page
two rear main oil seal housing clamping setscrews
before removing all main bearing caps, and mark the
main bearings
they are
Overhaul
The minimum permissible worn diameter
journals
journals 2.2475 in
ovality for crank pins and main journals
(0,01 mm).
Float
of
the two
quoted
of
Crankshaft
to
to
be replaced.
of
Standard Size Crankshaft
is
2.7475 in
bottom
of
oversize thrust washers can
end
flo:tt to within the produc-
on
Page
E.l.
their respective caps
(69,78
(57,08
mm),
mm).
halves
of
the
two
E.l
and E.2.
end-float
F.3.
and for the big end
Maximum permissible
thrust
top
halves
is
0.020
Release the
or
journals
of
the main
is
0.0005 in
of
in
if
The crankshaft can be reground
mmJ.'mm)"Undersize.
Crankshaft Rear
If
seals the following procedure should be
With a half housing in a vice, and the seal recess
uppermost, settle approximately I in (25 mm)
seal,
end
mm) beyond the half housing
Press the remainder
from
Using a suitable
into
Fit
manner.
To
Thoroughiy
all traces
0.020
in (-0,51 mm) and -
Oi~
Seal and
examination reveals the necessity
at
each
end,
into
of
the seal projects
the centre and working outwards.
position.
the
seal to
refit the assembly, proceed
clean
of
the old
the groove ensuring
of
th.e
round
the
other
the
joint
joint.
to-
Housing-
0.010/0.020
joint
seal
into
bar,
roll
half
housing in a similar
as
follows:-
and
butt
0.010
in (
0.030
to
adopted.
face.
position starting
and
press
faces, removing
-0,25
in ( -0,76
See Fig. E.3.
renew the oil
that
in (0,25/0,51
the
of
the
each
seal
E3
Page 36
Crankshaft and Main Bearings E3
Lightly
of
joint
aligned.
Lightly
jointing
of
Oil the crankshaft rear end around the oil
groove. Place
engine and locate all setscrews
and bearing cap face,
Tighten
lbf ft
Tighten the setscrews in the cylinder block and
ing cap
Finally tighten
lbf
Main
Each main bearing cap
cylinder block by the block serial
stamped
shaft.
coat
the
in position, ensuring
the rope seal with graphite grease.
(0,55--0,83
ft
(I
Bearing
side. See Fig. E.4.
the cylinder block and bearing cap side
joint
with jointing
coat
the
compound.
the
to a torque
,66 kgf m).
butt
the
clamping bolts
the
half housings in position
kgf m).
of
compound,
that
the
faces
of
Lubricate the exposed diameter
finger tight only.
12
clamping bolts
the half housings with
in
to a torque
lbf
ft
(I
,66 kgf m).
Caps
is
identified in relation
on
the
rear
of
the
bottom
and place the
securing .holes are
the cYlinder block
of
only
to.a
torque
number
face
on
which
the cam-
retum
on
4-6
bear-
of
to
the
12
E4
the
is
An arrow
ward end
No. l cap
an
block.
with corresponding
No.3
which carries
easily identified.
No. 4 cap has no identification and
numbers 1 and
located, its position
No.
to
carry the
therefore easily identified.
To
positioned see Fig.
over
ing setscrews
kgf m).
is cast
on
to
each cap indicating the for-
of
the engine
(counting
''A".
A corresponding
See Fig. E.4. No. 2 cap is stamped with a
has no Jetter,
5 cap is
the
2,
the
bottom
refit, ensure
the
crankshaft main
to a torque
to
ensure correct fi!ment.
from
the
front)
''A"
letter
stamped
but
is the
thrust washers and
but
as
is pre-determined.
rear main, and is drilled and
half
that
the
E.S,
centre
at
this stage these are already
of
the oil seal housing and
locating dowels are correctly
and
the
journal.
of
80-85
is
is stamped
on
the
main bearing cap
cap is placed firmly
Tighten
lbf
stamped with
on
the
"B"
block.
is
therefore
is similar
ft
(II,
the
I-ll
to
tapped
secur-
is
,7
ES
Page 37
Crankshaft
and
Main Bearings E4
Oil
Thrower Flange
E6
When refitting
oil
thrower
lh<'
crankshaft before fitting
and
nankshaft
the
crankshaft,
t1ange, see Fig.
pulley.
Crankshaft Pulley
When fitting
timing marks
ahgn. See
screw to 123 Jbf
the
crankshaft pulley, ensure
on
the
Flg. E.7.
ft
(17,0 kgf m).
end
of
Tighten
do
not
omit
to
E.6,
onto
the
the
timing case cover
the
crankshaft
the pulley retaining set-
front
and
fit
end
that
pul!ey
the
of
the
E7
Page 38
Crankshaft and
Main
Bearings
ES
F
c
0
i\
I
B
!\
,\
I
lA
l_
~
Crankshaft Regrind Data
0.010
in
Undersize
A 2.7385/2.739
(69,56/69,57 mm)
B 2.2385/2.239
(56,86/56,87 mm)
C 1.4459
D 1.4416/1.4445
(36,61/36,69 mm) (36,74/36,82 mm)
E 1.3806
1.4045 in (35,67 mm) maximum
F
Rl 0.146/0.157
R2
0.126/0.142 in (3,20/3,61 mm)
Surface finish
Magnetic crack detection
limits
Maximum Run-out with the crankshaft mounted on the end main journals
Independent readings:·
Crankshaft Pulley
Diameter T.I.R.
0.002 in (0,05 mm)
Journals
Number
Mounting
(0,25 mm)
in
in
in
(36,73 mm) maximum
in
in
(35,07 mm) maximum
in
(3, 71/3,99 nun)
of
crankpins, journals and fillet radii 8 micro inches (0,2 microns)
of
taper and out
Taper 0.00025 in Out
T.I.R.-
Run-out must not
1.
Number
0:003
A
i\
\
B
\(\
0.020
Undersize
2.7285/2.729
(69,30/69,32 mm)
2.2285/2.229 in
(56,60/56,62 mm)
1.4466/1.4495
all
all
D.C.
of
round for pins andjournals:-
(0,005 mm) (0,005 mm)
Rear
Oil
Diameter T.I.R.
0.002 in (0,05 mm)
be
2.
in
(0,08mm) 0.006
__!_.
in
(0,51 mm)
journals
crankpins
_Flow-
Seal
opposed
Number
lj
in
in
2.5
3.
in
(0,15mm) 0.003 in (0,08mm)
~
A
l\
amps
of
c c
}\
/,lA
I II
Is
1/\(
0_
0.030 in (0,76 mm)
Undersize
2.7185/2.719
{68,80/68,81 mm)
2.2185/2.219
(56,35/56,36 mm)
1.4516/1.4545
{36,87/36,94 mm)
A.C.
Round 0.00025
Flywheel Flange
Diameter T.l.R.
0.002
in
Number 4.
in
in
in
Current-- 1300 amps
in
(0,05 mm)
It\~\
i
'
'
C.
L.A.
Number
Mounting
E
__
5.
A
\(
Page 39
Timing Case and Drive
Fl
Section
TIMING
A helical gear drive
consisting
driving cast iron camshaft and fuel
sion being made
All gears are enclosed by an aluminium timing case
and cover. A timing
timing case front cover, situated behind the crank-
shaft pulley which can locate into the back
pulley
piston.
The timing case
setscrews, and to prevent damage
take great care when separating the case from the
sump
joints
the
sump
If an
attempt
out
lowering the sump,
the idler gear
Prior to removal
remove
titning
On
sary to remove the fuel
following
Remove fuel
Remove drive
adaptor
now
Remove
The
idler gear
removal
the
gears
hydraulically governed engines, it will be neces-
housing. With the gear removed,
be
withdrawn.
exhauster
timing case
of
is
also
attached
or, lower the
joints
on
reassembling.
is
to
be made
hub.
crankshaft pulley, front cover and all
except
procedure:-
pump.
hub
is
hub.
the timing case. See Page
then
See Page
of
timing case, it
the crankshaft gear.
locating circlip
unit
(if
located by a transitional fit
Hub removal may facilitate
to
the
to
the
sump
and completely renew
to
remove
it
is
advisable
F.4.
is
pump
drive
hub
through
fitted).
F.4.
sump
sump
the
case with-
to
necessary to
the rear
the
by
two
joints
remove
using the
of
hub
can
on
the
the
To
Refit
the
Timing Case
With the
new
ends
tongue
cylinder block, loosely locating by the setscrews, case
to block and case to
sump
the timing case securing setscrews, the idler gear hub
may now be fitted
With the
fitted over its locating idler gear
ing
face
sump
cork
joint
of
the cork and
can
joints
sump
the
case
of
the
fitted, remove. the idler gear
allowing a clean area between the
the
case where
locate.
Offer
the
timing case
sump
are correctly located. By adjustment
to
the cylinder block and case.
removed, "the timing case may be
to
block
timing case and crankcase are aligned, see
ensuring the cork and
hub,
setscrews ensure the
the
but
hub.
sump
to
sump
on
Pit
butt
joint
and
of
tighten-
bottom
Fig. F.2.
When fitting the
seals, ensure the tongues
located
On
pump
the
under
hydraulically governed engines, refit the fuel
drive
previous sub-section.
sump
joints
and
front
of
the
butt
end
hub
following the reverse procedure in
of
the cork.
the
and rear
sump
joints
cork
are
a
F2
Page 42
~-
---------------------------
Timing Case and Drive
D·251/1J·SODin
1,35fl,l2"""
F4
Refit the timing gears ensuring that the timing marks
align.
Refit timing case cover using the crankshaft pulley
for
conect
To Renew the Front
Press
a suitable dolly
area
Press in the new seal from the front
cover
mm)
F.3.
location
out
the old seal from the timing case cover using
of
the
seal bore.
to
a dimension
from
the
of
oil seal and cover.
Oil
and
press,
of
front
of
the
Seal (Front cover removed)
supporting
0.250/0.300
cover
the
of
the timing case
in (6,35/7,62
to
the
seal. See Fig.
cover
in
the
To Remove Idler Gear and Hub
Remove
Withdraw gear,
nuts
and retaining plate.
complete
with
bush
from
the
hub.
See
Fig. F.4.
The
idler gear
timing case,
difficulty
be
removed.
hub,
may
be
is
experienced,
which
tapped
is
a transitional fit in
out
of
its location.
then
the
timin& case should
the
If
To
Refit
the
Idler
Gear
and
The
studs
securing
When refitting
both
the
cylinder block and
F.S.
Replace
correctly aligned. See Fig.
the
the
gear
the
hub,
on
hub
the
Hub
are slightly
ensure
hub
hub
H.l.
off
centre.
that
the
oil drillings in
are clear. See Fig.
with
the
timing
marks
FS
Page 43
Fit
the
two
(2,6-2,9
retaining plate, Fig.
new self locking
kgf m) Fig.
nuts
F.6.
F.6,
to a torque
No.2.
No. I and tighten
of
19-21
lbf
ft
Timing
Ca~
and Drive FS
Check the
dimension
maximum
F.6.
NOTE:
disturbed,
removed to allow
tate
To
Remove the Camshaft
Remove
washer.
Draw the camshaft gear
camshaft, see Fig.
To
Refit
Remove the idler gear to facilitate timing.
Fit
the
and
enter
Draw the gear
ing washer,
screw
and Jock with the tabwasher.
end
float
of
of
0.006/0.012
wear limit
If
the cylinder head assembly has
then
the
aligning
the
the
camshaft gear over the
into
to a torque
the
of
setscrew, tabwasher and retaining
F.
Camshaft Gear
keyway.
onto
tabwa&her and setscrew. Tighten the set-
the gear
in
is
0.015
the
rocker
camshaft
the
timing marks.
Gear
off
7,
the
of
its keyed location
using a puller, and adaptors.
camshaft by fitting the retain-
40-45
on
(0,15/0,30
in
(0,38
assembly should be
to
be
turned
key
of
lbf
ft
(6,2-6,9
the
h.ub
mm). The
mm).
not
the
camshaft
to
See Fig.
been
to
facili-
on
the
kgf m)
a
F6
NOTE:
facilitate
rocker
disturbed.
Hvdraulically Governed
To
enable the camshaft to be
the
aligning
assembly
of
the
if
the cylinder head has
timing marks, remove the
Fuel
Pump Drive Assembly -
turned
not
Fig. fi.8.
To
Remove
Remove the three setscrews securing the gear
fuel
location.
To
Refit
Remove
Refit
the
pump
the
the
the
fuel
gear and
the
Fuel
drive
hub,
Fuel
Pump
idler gear
pump
hub
are
Pump
Gear
and ease the gear from its
Gear
to
facilitate timing.
gear so
that
the
in
alignment as shown
timing marks
H.I.
to
in
to
been
the
on
Fig.
F8
Page 44
Timing Case and Drive
F6
Refit idler gear and tjme engine. Check backlash
which should be
To
Fit
New Fuel Pump Gear
0.004/0.008
in
(0,10/0,20
mm).
In the event
th1s
w1ll
ensure correct fitmen\
fuel injection
he
adopted.
Turn
T.D.C., No. l piston being
Remove fuel
Replace idler gear ensuring that timing marks
crankshaft gear, idler gear and camshaft gear coincide.
Turn
direction for
m normal direction until No. l piston
timing point (see
Remove fuel
governed pumps)
connection (hydraulically governed pumps) enabling
the fuel
Then
on
line
ally governed and mechanically governed pumps
respectively) coincides with the squared
fuel pump timing circlip.
Ensuring timing gears and fuel
move, fit fuel injection pump gear and secure with
three setscrews.
of
a new fuel pump gear being required,
be supplied
pump,
crankshaft until Nos. I and 4 pistons are
pump
nankshaft
about
pump
pump
rotor
turn fuel
the
rotor
without
of
the following procedure should
gear and idler gear.
in
opposite direction
quarter
Page
L.l.).
inspection plate (mechanically
or
plate
to be seen.
pump
driving hub until the scribed
marked
timing marks and
the gear and timing
on
compression stroke.
of
a revolution.
embodying
"A"
or
"C"
pump
is
fuel return
(for
shaft
of
to
normal
Then
at its static
hydraulic-
end
of
do not
to
the
at
on
tum
the
F9
Turn
crankshaft back slightly and then forward again
to No.
fuel
Bring crankshaft up to T.D.C. for Nos. I and 4
pistons, No.
and mark new fuel pump gear with a scribed line to
coincide with the scribed line
driving hub: also
coincide with the single dot
When replacing a fuel
governed engines,
timing gear backlash to within the limits prescribed
on
F.7,
Adaptor
To
Remove the fuel injection
Remove the drive hub locating circlip
rear
I piston
pump
Page
sub section headed
Remove
of
the
on
timing
is
I piston being
stamp
F.2.
For
Housing".
the
Fuel
adaptor
static timing point to check
correct.
on
its compression
on
two
dots
on
p·1mp gear
it
will be necessary to adjust the
method
Pump
housing, see Fig.
of
"To
Drive Hub
pump.
the fuel
on
the
the
idler gear.
on
adjustment,
refit
the
F.9.
stroke
new gear
hydraulicaliy
see Page
Fuel
through
that
pump
to
Pump
the
Page 45
With
the
gear removed, withdraw
the
hub. See Fig.
F.IO.
To
Refit
the
Fuel Pump Drive Hub
Following the reverse procedure, refit the hub.
Timing Case
and
Drive
F7
Remove
Refit
sub-section.
To
The
cylinder block and rear face
fastening arrangement
timing case and
To
on
pump
sections.
If
from
gear. Remove
the
housing.
The bushes are an interference fit in the adaptor
housing and can be replaced by using a suitable
"dolly"
of
the
idler gear
the
fuel pump gear
Remove
gain access
the
fitted, remove
adaptor
the
the
fuel
pump
inside of the timing case, remove the fuel
gear and drive hub; see
adaptor
housing
housing
and· press. Fig. F
adapter housing showin.g
to
facilitate timing.
as
described in
Fuel Pump
adaptor
two
to
the
the
the
two
Adaptor
housing
is
by
three setscrews within the
setscrews
three
adaptor
exhauster unit, and oil feed pipe
to
exhauster. Remove the idler
remaining setscrews fastening
to
cylinder block, and remove
.II
Housing
is
of
shows view
secured
the timing case. The
to
the
cylinder block. F 10
securing setscrews
the
the
Jub.oil drain hole.
previous sub-
the
previous
of
front face
to
the
To
Refit
the
Fuel
Pump
Adaptor
Replace the housing
the
timing case, using a new
ing
that
it is properly located, see Fig. F .12.
Secure loosely with
and timing case
GEAR/IDLER
BY
MANIPULATION
ADAPTOR HOUSING.
SECURING SETSCREWS UNTIL THE ADJUST-
MENT
IS
EFFECTED.
Refit
the
aligned, and circlip.
hub,
into
the
setscrews
BECAUSE
GEAR BACKLASH
DO
fuel
pump
Housing
its position at the rear
"0"
ring oil seal, ensur·
to
both
THE
OF
THE FUEL PUMP
NOT TIGHTEN THE
gear with timing marks
the
FUEL PUMP
IS
ADJUSTED
block
of
FJI
.
....
Fl2
Page 46
Timing Case and Drive
F8
Refit
the
teeth
the
idler gear, ensuring
of
idler gear/fuel
that
pump
the
timing marks
gear align.
on
F13
TO ADJUST THE BACKLASH manipulate
adaptor
(0,10/0,20
to
Remove
gear and
Tighten housing securing setscrews within
case.
Replace the gear and hub and circlip, and check
backlash again.
IF
HAS
REPEAT
THE
Mechanically Governed
Fig.
To
The gear is dowelled
secured by three setscrews and spring washers.
Before removal
idler gear.
housing until a figure
mm)
is
block setscrews.
the
hub.
THE TIGHTENING
ALTERED
THE PROCEDURE UNTIL
PRESCRIBED LIMITS.
obtained,
hub
locating circlip and withdraw
THE BACKLASH SETTING,
F.l3.
Remove
the
Fuel
of
Pump
the fuel
of
and tighten the housing
OF
SECURING SETSCREWS'
Fuel
Pump Drive Assembly
Gear
to
the fuel
pump
0.004/0.008
IT
IS
pump
gear, remove
the
timing
WITHIN
hub
the
the
and
the
in
~
To
Refit
the
Fuel
Pump
Gear
The
tightening
securing setscrews
the
Refit
marks align.
Because
adaptor
IS
PROVIDED
torque
for
19-21
the fuel
lbf
ft
is
idler gear, making sure
of
the dowelled location
plate, NO ADJUSTMENT
FOR.
(2,6-2,9
Crankshaft Gear
The crankshaft gear is a transitional
onto
the
crankshaft.
the
the
then
the
rocker
fuel lift
necessary,
suitable puller.
To
Remove
Remove
Remove
Camshaft
Should
this
can
assembly and pushrods.
pump.
its
be accomplished using a
and
Tappets
pump
drive gear
kgf m).
that
the
timing
of
the
fuel
FOR
fit,
removal became
pump
BACKLASH
and
is
keyed
Page 47
Invert the engine, remove the sump and lubricating
oil pump
Remove the front timing case cover, idler gear and
camshaft gear. See Page F.3.
assembly, See Page J .3.
Timing
Case
and
Drive
F9
Remove the camshaft thrust pad secured
cylinder block
Withdraw the camshaft,
camshaft and exercising care
and journals are not damaged, see Fig.
The tappets can be
their locations, see Fig. 16.
To
Refit
Reposition the tappets in their locations, after
lubricating with clean engine oil.
Refit the camshaft into
the same
Secure the camshaft thrust pad
with
two
Refit the camshaft
and F
.4
Refit the lubricating oil pump assembly, locating it
with screw and locking nut in the cylinder block.
Refit the sump.
Revert the engine
the cylinder head
by
two setscrews, See Fig.
taking
to
ensure
~emoved
the
Camshaft
care
as
setscrews and spring washers.
ensuring
and
used during its removal.
gear and idler gear, see Page F
that
the
to
its correct vertical position with
(if
fitted) uppermost.
by
Tappets
the
cylinder block exercising
to
timing
marks align.
the weight
F.IS.
lifting them
the cylinder block
F.l4.
that
to
the
of
the
the cams
out
of
F14
.S
Refit the fuel lift pump.
the
Refit
pushrods and rocker assembly. See Page
B.S
F16
Page 48
• • •
Sect1on
Flywheel and Flywheel Housing G 1
G
FLYWHEEL
To Remove
Six setscrews and plain washers secure the flywheel
the crankshaft flange. The setscrews are tightened
a torque
To
facilitate safe flywheel removal, it is recommended
that two diametrically opposed securing setscrews are
removed and in their place, fit two suitably sized
studs, fmger tight only. The remaining setscrews can
now be removed and the flywheel withdrawn under
control.
Flywheel Ring Gear
The ring gear
When replacing the ring gear, the applied heat
new ring should not exceed
Attention
edge
flywheel.
the
Flywheel
of
80
lbfft
(11,1 kgf m)
is
shrunk on the flywheel.
480°F
(250°C).
should
be
paid
to
the
chamfered "lead-in"
of
the ring gear, and its relative position
AND
to
to
to
the
on
the
FLYWHEEL
Gl
HOUSING
To
Refit
the
Flywheel
The securing arrangement
is
by
flange
which are
the spacing
It
is
the crankshaft flange positioned diametrically
site
safely suspended whilst the securing setscrews are
fitted. The studs can
by the last two setscrews.
Flywheel Run-out
The outside diameter
concentric within
reading,
Flywheel Aligrunent
The alignment
the limit
of
flywheel radius from the crankshaft axis
clock gauge plunger.
this check, press
the end float while turning the flywheel.
six setscrews and plain washen, into holes
not
equidistantly spaced. Fig.
of
the crankshaft flange tappings.
advisable to screw, finger tight only, two studs in
to
each other. This will enable the flywheel to
to
of
0.012 in
the crankshaft axis. See Fig. G.2.
of
the flywheel face should be within
0.001 in
the
of
flywheel
then
be removed and replaced
of
the flywheel should be
(0,30
(Outch
Face)
(0,03
mm) per inch
See Fig. G.2. When carrying
crankshaft one way
mm)
to
crankshaft
G.l
total
(25,4
to
indicator
take up
shows
oppO·
be
mm)
to
the
out
G2
"'"
Page 49
Flywheel and Flywheel Housing G2
To
Remove the Flywheel Housing
G3
r:J
0
oQ
or m o to-?'""
0
0
0
Remove
Unscrew the securing setscrews and
carefully
To
Ensure
the
free from burrs.
Fit
cylinder block sufficiently
necessary.
With a clock gauge, check
flywheel housing bore and face are within
listed
Diameter
Housing Bore
Up
14lk
20
25ihto31
Any adjustments which may be necessary
flywheel housing
be carried
block face.
the
flywheel and
to
dislodge if from
Refit the Flywheel Housing
that
the
mating face of
new dowels, see Fig. G.3 and secure housing
as
follows, see Fig. G.4.
to
14lk in
to
20~
~to
25'h in (511
rear face
of
(362
in(362
in(648
out
on the housing and
starter
motor.
the
the
mm)
to787
to
of
flywheel housing are clean and
to
that
Total Indicator Reading
to
511 mm)
to
648 mm)
mm)
within
the
tap
locating dowels.
the cylinder block and
allow for adjustment,
the
alignment
Maximum Allowance
0.006
in(0,15
0.008 in
0.010in(0,25
0.012 in (0,30 rnrn)
limits specified, must
not
on
the housing
to
of
the
the
limits
mm)
(0,20
rnm)
mm)
to
bring
the
the
cylinder
if
If
the
dowels must be removed and
ments made,
and/or
oversize dowels fitted.
Tighten securing setscrews
(4,5-5,0
bore concentricity needs adjustment,
the
cylinder block reamed in-line, and new
kgf m)
dowel holes in the flywheel housing
to
the
necessary adjust-
a torque of 32-36 lbf ft
the
Page 50
• •
Section
H
TIMING
Timing HI
Because timing gears are fitted
is
unlikely
refitted
The removal
timing
Timing
When
marks are stamped
gears are removed
original timing.
Timing
A timing pin
locates
Fig.
1 cylinder.
Befol-e
timing pin should be
To Re-set
It
is assumed
arid
the
them
remove the rocker shaft
the
camshaft. However, it is important
that
securing
brackets, and accordingly
must
that
in
of
timing will alter unless
the
wrong position during an overhaul.
of
the cylinder head does
the
engine.
Marks
the
engine
is
assembled
on
the
gears, see Fig. H.'l.
it
is
not
difficult
Pin
on
the
into
the
F.
I is a simple method
any
attempt
to
the Original Timing
that
cylinder head
to
their correct position it will be necessary
on
the
4.154
the
cylinder head also secure
be
adopted:
front timing case cover which
back
of
the
of
is made
returned
the
timing gears have been removed
is
still secured. In order
to
release
engine some
the
on
the
4.154 engine,
the
gears are
not
affect
in
the
factory, timina
to
crankshaft pulley, see
finding T.D.C.
to
turn
to
the
its original position.
the
pressure from
of
the
the
following procedure
If
reset
to
on
engine
to
re-fit
to
remember
setscrews
rocker shaft
the
the
the
No.
the
to
it
HI
the
Drain
Remove
Reduce
ing
the
cylinder block
the
atomisers.
the
pressure
setscrews
by
of
coolant.
on
the
cylinder head
I 1{3 flats
by
to
avoid distortion.
slacken-
Page 51
Timing H2
Remove
Turn
compression stroke. At this
crankshaft spigot will be uppermost.
Fit
key and secure with setscrew and tab-washer.
Fit
drive hub and secure with setscrews.
the
rocker shaft.
the
crankshaft until No. I piston
the camshaft gear
the fuel
pump
gear
to
to
is
point
its spigot, locating
the fuel
at
the keyway in the
pump
or
T.D.C.,
on
fuel
pump
on
the
Replace
marks align as follows. The double
gear to
gear, and the single
with the double dots
pump gears, see Fig.
Secure the idler gear in position with the two lock
nuts
For
pumps
Replace the rocker shaft, re-torque
see
cylinder block with coolant
Checking Valve Timing
Turn
"overlap"
closing
inlet valve. At this point set No.
clearance
the
just taken up. In this position Nos. I and 4 pistons
should be
correctly.
pin
(flywheel) degrees
the
idler gear so
match
with the single
and retaining plate.
backlash adjustment (hydraulically governed
only) refer
Page B.S, replace
the engine until No. 4 cylinder valves are
position,
of
the exhaust valve and the opening
to
0.040
normal
direction
at
T.D.C., if the timing has been set
This can be checked by using
or
flywheel markings. A tolerance
dots
on
H
.I.
to
page
the
that
in
(I
,02 mm).
of
rotation
is
permi.SSible.
that
the appropriate timing
dots
on
dot
on
both
F.?.
is
on
the
idler gear
the
camshaft and fuel
the
atomisers and refill the
the period between the
I inlet valve tip
Turn
until the clearance
the idler
the crankshaft
to
cylinder head,
the
engine in
the
align
in
of
timing
of
the
the
2'h
is
H2
DC.I b
Should
probably be due
aligned.
When
No. l inlet valve
in
original position before
engine.
Fuel
With mechanically governed
on
scribed line
timing case,
the timing be incorrect
the
(0,30
mm) cold, and
to
the timing gears being incorrectly
timing has been set
to
the
Pump Timing Marks
the
pump
mounting
on
the
rear
see
Fig. H.2.
correct
return
flange should align with
of
then
do
not
figure which
the timing pin
attempting
pumps,
the
mounting
the
error
will
forget to re-set
is
0.012
to
its
to
turn
the
the scribed line
on
the
the
plate
Page 52
With hydraulically governed pumps,
on
the
pump mounting flange should align with the
scribed line on
adaptor, see Fig. H.3.
To obtain access
is
necessary
for hydraulically governed pumps, or the inspectiOn
cover on the side
governed pumps.
It
should
internal timing marks, the manufacturers' seals will
to
have
removed only
reseal when
otherwise
the
mounting flange
to
to
be
remembered that
be broken. These seals should therefore
the
the fuel
remove the fuel return adaptor olate
of
by
authorised personnel who must
the
adaptor plate or cover
guarantee may become void.
the
pump
body
of
rotor
of
to
gain access
the
scribed line
the
fuel
markings, it
mechanically
to
is
replaced,
pump
these
be
Timing
H3
On the fuel
number
letter. A timing circlip
pump
appropriate scribed line
with the sguared
commencement
H.5.
To set the timing ciiclip, it
pump
ciiclip by connecting No. 1 cylinder
marked
pump
Turn the
rotation until
circlip should now
the appropriate letter
Checking Fuel Pump Timing
(Mechanically governed)
Ensure
previously described.
Ensure that
mounting flange and adaptor plate align.
Position No. I piston at T.D.C.
stroke.
until No. 4 cylinder valves are rocking and
pin engages in
timing case.
pump
of
scribed lines, each one bearing an individual
body
from the engine and
"w"
up to 30 atm (31 kgf/cm2 or 440 lbf/in2).
pump
pump
This can be obtained
rotor, inside the fuel pump, are a
is
which has
of
injection (static
on
the
by hand in the normal direction
it
"locks up". The squared end
be
timing circlip
the
scribed lines on
the
pulley. Screw timing pin back into
also positioned inside the
to
be
set so
on
end
pump
adjusted
on
the fuel
of
is
to
the
is
pump
the
circlip, it denotes
timing}-
necessary to remove
fix
the position
outlet
an atomiser tester and
so
that
pump
rotor.
correctly positioned as
on
the
by
turning
that
it
the
when the
rotor aligns
see Fig.
the
of
connection
aligns with
fuel pump
compression
the
the
the
of
of
the
engine
timing
H3
The letter
align with
Any discrepancy can be corrected
fuel pump securing nuts and turning
until
When
normal direction
T.D.C. then
Re-fit
"C"
on the fuel
the
straight edge
the
mark on the
the
timing is correct turn
of
re-fit
the
the
fuel
pump
pump
of
the
circlip
rotor
is
in line with
rotation until No. I piston is at
springs and collets
inspection plate and re-seal.
rotor
should now
by
slackening
the
pump
the
the
engine in the
to
circlip.
the
the
body
valve.
the
Remove
valves on No. 1 cylinder and allow
the
crown
With a clock gauge at zero and in
stem
H.4,
of
rotation until
0.150 in (3,81 mm) down the cylinder bore. Then
turn
rotation
the
clock indicates 0.125 in (3,17 mm) B.T.D.C. This
is
equivalent
wheel B.T.D.C. and represents
injection.
collets and valve springs from one
of
the
piston.
of
the
valve
resting
on
turn
the
engine AGAINST the normal direction
the
the
engine back again in
(to
take
up
to
18° angular movement
the
valve has moved approximately
the
timing gear backlash) until
the
valve
contact
piston crown see Fig.
the
normal direction
the
static point
of
to
rest on
with the
of
the
the
of
fly-
of
Page 53
------------------------------
Timing H4
Checking Fuel Pump Timing
(Hydraulically governed)
H4
0
Ensure pumP timing circlip
is
correctly positioned
as
previously described.
Ensure
mounting
Position No. I piston at T.D.C. on
stroke. This can be obtained by turning the engine
until No. 4 cylinder valves are rocking and
pin
that
engages
the
flange
in
scribed lines
and
adaptor
the
pulley. Screw timing
end plate align.
on
the
fuel
the
compression
the
pin
back
pump
timing
into
timing case.
Remove
valves
the
With a clock gauge
stem
H.4,
of
0.230
tum
take
gauge indicates
equivalent
B.T .D.C.
The
align
Any
three
moving
the
flange.
the
colletS' and valve springs from
on
No. I cylinder and allow
crown
of
the
piston.
of
the
valve resting
turn
the
engine AGAINST the
rotation
fuel
until
in
the
engine
up
the
and
letter
with
discrepancy can
setscrews securing
the
pump
the
(5.84
mm)
back
timing gear backlash)
0.205 in (5,21
to
23°
angular
represents
"A"
on
the
straight edge
rotor
the
body
at
zero and in
on
the
piston
valve has moved
down
the
again in
the
the
fuel
be
approximate
and
cylinder bore.
the
normal
mm)
movement
static
pump
of
the
corrected
the
fuel
re-mark
the
one
valve
to
rest on
contact
normal
B.T.D.C. This
point
rotor
circlip, see Fig
by
pump
amount,
the
with
crown,
see Fig.
direction
approximately
direction
until
the
of
the
flywheel
of
injection.
should
slackening
gear,
or
pump
of
the
the
Then
(to
clock
now
H.5.
the
and
move
body
is
HS
the
timing
is
When
normal
T.D.C.
Re-fit
D
direction
then
the
fuel
re-fit
of
the
pump
correct
rotation
inspection
turn
the
until
springs and collets
No. I piston
plate
and
engine
to
the
re-seal.
in
the
is
valve.
at
Page 54
Section
• •
J
Lubricating System
Jl
LUBRICATING
The
lubrication
from a
from
filter to
drillings through
the
to
and timing gears. Drillings in
oil
is
ends.
directly
rotor
the
the
five main bearings. A feed
No. I main bearing
to
the four big end journals, from which oil splash
thrown
The
of
the
engine
is
type
oil
camshaft.
main oil gallery from which oil
up
to
lubP,cate
four
by
oilways from Nos.
pump
The
oil
the
main bearing housings
to
camshaft journals are lubricated
by
driven
is
delivered via a full flow
is
taken
lubricate
the
crankshaft distribute
the
cylinder bores and small
1,
AND t .OIL
full pressure feed
by
off
the
2,
4,
spiral gears
is
fed by
to
each
the
drilling
idler gear
and 5 crank-
t
hub
"""
shaft main bearings. An oil control
porated
oilway takes lubricant at a reduced pressure
rocker shaft.
of
The oil pump
which limits the maximum pressure, whilst
filter incorporates a by-pass valve which prevents
engine being starved
become blocked
fluid. Do not use Gasoline (Petrol).
Replace the sealing rings.
Place
fill
so
against
Hold
located and screwed horne.
Prime
the
centre
filter bowl securing setscrew located in
of
Fig.
with
clean
the
new element
with
clean fuel oil.
that
the
top
the
sealing ring
in
this position whilst
the
fuel
to
Remove and Replace the Fdter
the headcasting.
L.l,
and discard
the
fuel contained
the
in
Offer
rim
of
in
system
as detailed
Lower
the filter bowl
the
old
in
bowl in a suitable cleaning
the
tJ.lter
bowl
up
the
the element locates centrally
the
filter headcasting.
the
and partially
assembly squarelY
securing setscrew
on
Page L.7.
element
the
bowl.
is
Fuel
Lift
Pump
The lift
return
blue coloured diaphragm
the
actuated
primer
is
pump
is
valves which are opposite
diaphragm is
by
is
not
fitted
running.
fitted with a diaphragm,
by
an eccentric
to
operate
return
means
on
the
in
spring. Deflection
of
an operating arm
the
camshaft. A hand
pump
two
operation and a
when
the
non-
of
engine
Page 65
Fuel System
L3
Testing
the
lift
Pump Fitted
to
the
En~ne
Disconnect the outlet fuel pipe.
Rotate
the engine,
or
operate the hand priming lever.
A spurt of fuel should emit from the outlet port
once every two
hand
priming lever
NOTE:
If
the engine one complete revolution
engine revolutions,
is
depressed.
or
every time the
the hand lever cannot be depressed, rotate
in
order
to
turn
the eccentric on the camshaft from its maximum lift
position.
To Remove the Lift Pump
Disconnect the fuel pipe, from the inlet and outlet
ports.
Remove
secure the pump
the pump,
To
the
two nuts and spring washers which
See
Fi&.
Dismantle the
to
the cylinder block, and withdraw
L.2.
Lift
Pump
Before dismantling, make a file mark across the two
flanges
reas~mbled.
for location purposes when the pump
Remove the six cover screws and
is
being
separate the two main parts, then remove the diaphragm assembly from the lower half by turning the
diaphragm through 90° in either direction.
The valves are
using a screwdriver or other suitable tool.
casting
so
valves
into position using a suitable
casting around the valves
"staked-in", and can be prised out by
that
new valves can be correctly seated. Press
"dolly".
in
six places.
Clean the
Stake the
The rocker arm
ann
rocker
with a soft mallet until the retainers are
The rocker, pin, lever and return spring can now
pin can be removed by securing the
in a vice, and tapping the face
of
the body
dislodged.
be
examined for wear.
To
Re-assemble the
Fit the rocker arm assembly into the
Uft
Pump
bottom
half
of
the lift pump, Fit the rocker arm return spring
making sure
Tap new
stake over the open ends
Place the diaphragm
the pull rod downwards, locating
that
it
seats properly.
retainers into the grooves in the casting, and
of
the grooves.
assembly over the spring, with
the
top
of
the
spring in the diaphragm protector washer. Position
so
the rod
rocker arm link.
assembly so that the notches
with the rocker arm link and twist
that the notched blade locates intq the
Press downwards
on
on
the pull rod
it
through 90° in
the diaphragm
a!ign
either direction, this action will engage and retain the
pull rod
in
the fork
of
the link.
Page 66
----------·-----------------
Fuel System L4
When re-assembling the two pump halves, push
the
rocker arm towards the pump until the diaphragm
level with the body flanges. The cover assembly can
the
now be olaced in oosition. with
aligned. Maintaining
the
pressure
on
the
file marks
rocker
arm,
fit the secunng screws and washers and tighten
evenly.
To Refit the Fuel
Ensure
pump
enter the pump operating lever
the
secure
that
mounting
block.
with
Uft
Pump
the
pump
face
is
Fit
the
pump
nuts
and spring washers.
flange and cylinder
clean, and using a new
onto
into
the
the mounting studs and
aperture in
block
joint,
Fuel Injection Pump
IMPORTANT Unless proper test equipment and
trained technicians are available, adjustment
maintenance
attempted.
To Remove
of
the fuel
the
Fuel Pump Hydraulically governed
pump
should
not
or
be
Disconnect the stop and throttle controls from the
fuel pump and remove the return
springs.
is
Remove the
fuel pump, and blank
high
and low pressure fuel pipes from the
off
all ports.
Remove the fuel pump securing nuts and plain and
spring washers and withdraw the fuel pump. See
Fig.
L.3.
To
Remove the Fuel Pump Mechanically governed
Disconnect the stop and
throttle
controls from the
fuel pump and remove the return springs.
Remove the high and low
fuel pump and blank
Remove the inspection cover from the timing
pressure fuel pipes from the
off
all ports.
case
front cover, and remove the three setscrews and
spring washers securing the fuel pump
pump, taking
care that they
do
gear
to
the
not drop into the
timing case.
Remove the fuel pump securing nuts and plain and
spring washers and withdraw
the
fuel pump.
Page 67
Fuel System
LS
The fuel pump gear will remain in mesh with the idler
gear, and will only drop
timing case approximately
Precaution must be taken
turned whilst the fuel
To
Refit
the
pump gear
Fuel Injection Pump Hydraulically
against the inside
1/8 in (3,17 mm).
that
the engine
is
unfastened.
of
is
the
not
governed.
Fit a new fuel pump mounting flange
up the pump ensuring
is
shaft
correctly positioned
that
the master spline on the
joint,
and offer
to
engage with the
female spline within the fuel pump drive hub.
When the splines are in correct alignment the pump
on
to
can be located
the mounting studs
adaptor housing until the mounting flanges meet,
the plain washers followed
and
securing nuts can
Before tightening,
be
align the timing marks scribed on
the mounting flanges, see
Refit the
high and low pressure fuel pipes, the control
by
fitted.
Fig. H.3.
the
spring washers
on
the
and
cables and springs. Fuel pump timing can be checked
as
detailed
Prime the fuel system
To
Refit
on
Page H.4.
the
Fuel Injection
as
described
on
Pump
Page
1.7.
Mechanically
governed
Maximum Speed Setting
The maximum speed screw is set and sealed
not
be
manufacturers and must
unless factory authority
is
ments should be carried out
altered in any way
first obtained. Any adjust-
by
experienced fuel
pump technicians. The unauthorised removal
seals
on
the pump may render the quarantee void.
When a fuel pump
is supplied
the governor maximum speed
as
a direct replacement,
is
set
figure only, and final adustment must
is
fitted
to
the pump
the engine. In order
to
a nominal
be
made after
to
establish
by
of
the
any
the correct setting which varies accordina to application, reference must be made
symbol, stamped on the plate fastened
to
the settin& code
to
the pump
body.
For the purpose
the last four
code
is
the maximum no load enJine speed. Warm the
of
setting the maximum speed stop,
fiaures shown
on
the fuel pump setting
engine and run up until this figure is reached; the
maximum speed stop should
be set
at
this
then
figure.
Atomisers
Genernl
When replacing atomisers in the cylinder head
essential that a new, correct type copper washer is
fitted between the nozzle cap and the cylinder head.
it
is
Fit
a new fuel pump motmting flange
up the pump, fitting it
to
the mounting studs
adaptor plate, Align the dowel location
joint,
on
and offer
on
the end
the
of
the pump drive shaft with the dowel on tho pump
gear. By manipulation
remains in mesh with
setscrews and spring washers, and tighten
of
19-21lbf
ft
Refit the plain and
pump mounting studs. Before tightening,
timing marks
back
of
Refit the
on
the
adaptor plate, see Fig. H.2.
high
control cables and
Fuel pump timing can
of
the gear and ensuring
that
the idler gear, refit the three
to
(2,07-2/}
kgf m).
spring washers and nuts
a torque
to
align the
the
pump mounting flange and the
and low pressure fuel pipes, the
springs,
be
checked
as
detailed on Page
it
the
H.3.
Prime the fuel pump system
as
described
on
Page L.7.
Trouble
The first symptoms
into one
in Service
or
more
of
atomiser troubles usually fall
of
the following headings:
Misfiring
Knocking in one
or
more cylinders
Enaine overheating
of
Loss
power
Smoky black exhaust
Increased fuel consumption
The particular faulty
determined
atomiser
"tick
by
in
turn, with the engine runnina at a fast
over".
If
atomJSer or atomisers may be
releasing the pipe union
nut
after slackening a pipe union
on each
nut
the
engine revolutions remain constant, this denotes a
to
faulty a
miser. The complete unit should
drawn from the cylinder head and
known good serviceable unit
to
the correct code for
be
replaced
withby
the application.
NOTE:
Care should
be
taken
to
prevent the hands
face from coming into contact with atomiser spray,
the workin& pressure will cause fuel oil
to
penetrate
the skin.
a
or
as
Page 68
Fuel System L6
Maintenance
lA
Atomisers should be taken
regular intervals. Refer
out
to
for examination
Preventative Maintenance,
at
Page A.S.
NO
ATTEMPT SHOULD
THE
PROPER
GAUGE.
SETTING
INJECTION
TESTING
IT
IS
OF ATOMISERS
IMPOSSIBLE TO ADJUST THE
BE
MADE
TO ADJUST
PRESSURE WITHOUT A
PUMP
AND
WITH
PRESSURE
ANY
DEGREE
OF ACCURACY WITHOUT PROPER EQUIPMENT.
A perfect atomiser, when tested
through it in the open air
sound
as
atomiser has been in
the fuel emerges from the holes. After the
"pinging" changes
until the atomiser sounds
likely
to
affect the running
D
\3
.B
Fuel
Pipes
The pipes should
split
or
compressed otherwise leakage will result.
service for some time, the
to
a "crackling" sound.
"dead"
of
be
clean, the olives should not be
by
gives
pumping fuel
a short "pinging"
that its condition is
the engine.
It
is
not
Ensure when fitting, that the pipe fits squarely at
both
ends, and that the union nuts are not overtightened. When changing an atomiser always slacken
the union nuts or remove the pipe completely. Never
bend the pipe.
Starting Aid
The
"Thermostart"
prised
of
a tubular valve body carried
which screws into the inlet manifold. The
is
surrounded
forms an ignitor coil. The
of
which the stem holds a ball valve
against its seating. The
starting aid, see Fig. L.4,
by
a heater coil, an extension
valve
body houses a needle,
ignitor end
in
a holder
valve
of
in
of
position
the unit has a
is
com-
body
which
perforated shield. Fuel oil from the reservoir enters
through an adaptor.
When the unit
position.
"heat"
body
is heated and expands, opening the ball valve
and permitting the
ised
by
switch
is cold, the ball valve is held
When
the coil is energised
switch, see Fig. A.
entry
the heat
is
turned
of
the valve body and when the
to
"heat
in
a closed
by
1.1sing
I,
or
button,
of
fuel. The fuel is vapour-
and
start"
or
both
the valve
buttons
the
are depressed, cranking the engine, air is drawn into
the manifold. The vapour
sion and continues
When the coil
to
bum,.heating the inlet air.
is switched
and start" switch or
running,
rapidly cools
the
cold air entering the inlet manifold
the
valve body and the valve closes.
is i&nited
off
button
by
the coil exten-
by
releasina the
and the eDJine is
"heat
Page 69
In
the
event
of
reservoir feeding fuel
primed, and
cold start aid can be functionally checked
ing
the
air cleaner and watching
it
is
being used.
The
starting aid
dismantled.
renewed.
difficult cold starting check
to
that
If
the
fuel
is
unit
the starting aid
is
reaching
a sealed unit and cannot be
ceases to function it must be
the
the
starting aid. The
starting aid whilst
that
by
is
fully
remov·
the
Fuel
System L 7
A worn valve will cause fuel
manifold
consumption.
4.154 engines are fitted with efficient starting
equipment, and
any damage caused
Priming
The air must be vented from the fuel system when·
ever any fuel pipes between
injection pump and atomisers have been disconnected
or when the system has been emptied
No
the
serious damage can be caused
lack
In
necessary
before starting can be effected. Proceed as follows.
Slacken
housing(hydraulic
Slacken the vent valve fitted on the head locking
screw
causing a smoky exhaust and excessive fuel
no
responsibility can
by
unauthorised starting aids.
the Fuel System
attempt
fuel injection pump has
of
the
must be made
lubrication.
event
of
air entering
to
"bleed"
the
air vent valve
of
the
fuel injection pump see Fig. L.6,
the
IJlVernor) Fig.
to
leak into the inlet
be.
accepted for
the
fuel tank, fuel
of
fuel.
to
start
the
been
filled and primed
to
the
fuel system, it will be
whole
on
top
L.6,
engine until
the pump through
of
the
fuel system
of
the govemor
No.
I.
No.2.
as
Operate
lift pump until fuel, free from air bubbles rises from
each. venting point.
Tighten the valves
Head locking screw vent valve Fig. L.6, No. 2.
Governor housing vent valve, Fig. L.6,
Slacken
inlet, Fig. L.6,
the
free from air bubbles, issues from around
The
Slacken the union nuts at the atomiser ends
two
Set
ensure
position.
the
hand priming lever
in
the
following order.
the
union
nut
No.3,
lift pump. Retighten the union
fuel filter is self-bleeding.
of
the
high pressure pipes.
the
accelerator at the fully open position and
that
the
at
and operate
"stop"
see
Fig. L.S, on the
No.I.
the
fuel injection pump
the
priming lever of
nut
control
is
in
when fuel,
the
the
threads.
of
any
"run"
L6
Page 70
Fuel System
L8
Turn
both
the
engine
fuel pipes.
until
fuel, free from air, issues from
Tighten
is ready for starting.
For
and fuel filters
procedure
Unscrew by two
of
tank).
Slacken
screw on the side
Slacken
governor housing on
the
When fuel, free from air bubbles issues from each
vent point,
order:-
Filter head venting screw.
Head locking screw
Governor vent screw
Slacken the pipe union
inlet, operate the priming lever on the fuel lift
and retighten when fuel, free from air bubbles issues
from around
the
unions
on
both
fuel pipes, and the engine
engines fitted with mechanical
the
fuel filter cover
the
priming lever
with
is
necessary.
vent screw on the hydraulic head locking
the
air vent screw near
tighten
the
air vent valves,
or
three turns,
(not
of
the fuel injection
the
fuel injection pump. Operate
of
the
fuel lift
the
connections in the following
on
the
fuel injecton
on
fuel injection pump.
nut
at the fuel injection
threads.
the
type
the
vent plug
return
pump.
fuel pumps
the
pipe
pump
the
top
pump.
following
on
top
to
the
body.
of
the
pump
pump
Slacken the union
high pressure fuel pipes. Set the accelerator in
fully
open
in the
starter
issues from all the fuel pipes.
of
rotation
reached, and the time will be
speed
bleeding
battery
engine at upwards
conditions, the remaining air should be expelled in
under
dischar~ed
Tighten
ready for starting.
It
must
carried
connections must
bubbles have disappeared. Unless care is taken
this
minutes
position and ensure
"run"
motor
may be necessary before this condition
of
rotation
operation
in a temperate
thirty
batteries may
the
be realised
out
operation,
of
priming, failure
nuts
at the atomiser ends
that
the
position.
until fuel oil, free from air bubbles
seconds. Cold conditions
unions on the fuel pipes and the ,engine
completely and
and this could take some
Rotate
Some
and
the
described above. A fully charged
or
warm climate will
of
280 rev/ min, and
take
longer.
that
this whole
be
no
made
until
to
start will occur.
stop control
the engine with
30
dependent
effectiveness
operation
action
all signs
to
60 seconds
upon
rotate
under
or
partially
must
to tighten
four
of
of
these
of
with
to
the
the
the
the
the
the
be
air
five
is
is
is
Page 71
• •
Section M
Air
Cleaner Ml
AIR
Genonl
Operating conditions play
deciding
aircleaner. Vehicle
road
Kingdom,
clean conditions
minimal, require the air cleaner
regular intervals, as given
in
tion
revision
Senicing - Dry
Where
kept
ejector
An
fitted which
element service
1
When an element
discarded and replaced by a new one however,
new element
removed, and loose dirt particles disposed
gently tapping the element. Alternatively it can be
cleaned with a non-foaming detergent,
subsequent life
Some manufacturers incorporate a
which protects against oil and soot conditions
experienced in heavy traffic.
how
frequently
conditions
operating conditions which
in
air conditions, must
of
an
clean making sure
close,
18
in water
usually experienced
or
industrial engines operating in relatively
in
the
air cleaner maintenance schedule.
Type
automatic
but
do
gauge
is
pre-set
is
becomes contaminated, it should be
is
unavailable,
of
the
most
it
is necessary
or
machines operating
which
the
concentration
on
Page A.S.
incorporate
be
Air
Oeaners
dust
ejector
is fitted,
that
not
the
stick together.
important
in
to
be
Any
accompanied
lips
to
service
on
the
of
serviced
alteration
a deteriora-
it
should be
of
the
pa.rt
normal
United
dust
rubber
restriction indicator can
to
necessary.
the element will be shortened.
indicate when a filter
the
element can be
"treated"
of
but
element,
CLEANER
iir
the
is
at
by
a
Ml
be
if
a
by
the
"'
Element
To
remove
from the housing.
Depending
should be taken
entering the inlet manifold. Before
or cleaned clement, clean the inside
housing with a clean cloth.
Senricing - Dry
Bowl (See Figs. M.l and M.2.)
Dust level should
(12,70 mm) from the slot in the dust cup baffle.
Depending
necessitate daily emptying
Check regularly for dead leaves
material
necessary.
Renewal
remove the element, release
the
clamp. The element can now be removed
on
the installation
to
prevent accumulated dirt from
Type
Air
not
be allowed
on
conditions
in the intake area. Tighten wing bolt if
tb.e
knurled nut and
of
the air filter, care
inserting
Qeaners
of
Fitted
to
build up
of
service this could
the dust bowl.
or
other foreign
the new
of
the fdter
with Dust
to
\4
in
• • •
M2~--------------~WL__,
Key
to
numbered annotations
1 - Body assembly.
2-
Element assembly.
3 - Nut and Gasket assembly.
4-
Clamp assembly.
5 - Baffle skirt.
6-
Cup assembly.
in
Figs.
• •
M I and
M.2.
Page 72
Air
aeaner
M2
Restriction Indicator
If
a restriction indicator
the
transfer piping between air cleaner
in
is
fitted it should be located
engine manifold away from bends
It
will indicate·
service
the
by
element.
means
of
a visual signal when
Element Renewal
or
elbows.
outlet
and
to
Remove
and
assembly. Remove the baffle from
dust cup by lifting it
the
clamp
drop
the dust bowl complete
by
out,
unscrewing
the
the
which gives access
pinchscrew,
with
interior
baffle
of
to
dust for removal. On horizontally mounted aircleaners
bowl
note the arrows
to
indicate correct positioning for reassembly.
Remove wing bolt situated at
on
the
the
bottom
rear
of
of
the
the dust
element,
and remove the element.
Optional Service Method
The dirty
the following procedure
restored to give a limited period
However, it
be replaced after six cleanings
is
first:
Remove the element
direct clean dry air at no more than
kgf/crn
the
filter compound
air cleaner element can be cleaned, and
is
followed, it can be
of
is
recommended
as
2
)
up and down the pleats
that
or
described previously and
service life.
the element should
annually whichever
100 lbf/in2 (7
on
the
clean side
element. Immerse the element in a detergent air
as
instructed in the directions for use
by the manufacturers.
for
Allow the element to soak
Gently agitate element at end
Bush
out
drrt.
at least
of
soaking
JO
minutes.,
penod
the
the
if
,03
of
to
Rinse
the
loosened particles. Allow
unit with clean water
oven
dry,
but
a fan
or
air draft may be used
the
element
to
remove all
to
dry. Do
to
not
hasten
drying.
by
Inspect the dried element
within the centre. Thin spots, pin holes
placing a bright light
or
the
slightest rupture will render the cartridge unfit for
further use.
ability.
A
"treated"
procedure described above
the
element will be shortened.
Also examine the gasket for service-
If
damaged,
the
element must be replaced.
element can be cleaned using
but
the
subsequent life
the
of
Page 73
Air
Oeaner
M3
Note:When replacing an air filter assembly, care
that
should be taken
Owing
to
the
similar appearance
the correct assembly
horizontally mounted unit, it
other,
one with the
outlet
and
displaced unit. However,
and inlet ports
transposed, and
the
engine would ensue.
tion through
necessary
to
induction manifold
the
interior
ducted
of
to
the area between
and incorrectly connect the inlet
trunking in
the
the
of
the
two
if connected incorrectly; damage to
If
ports
that
of
the engine
in
of
the
the
ensure
the filter element, and the inlet
of
the vertically and
is
possible
same manner as
positions
types
of
doubt,
a visual examina-
the filter assembly
outlet
is
the
element and filter
is
fitted.
to
replace
of
the
outlet
filter become
port
ducted
to
through
port
the
the
body.
Two-Stage Dry Type
Air
Oeaners with Multiple Filter
Elements
Extreme Heavy Duty.
This type
tion
dust, and
of
air filter may be fitted where
is
designed
the
dust load within the air cleaner is
restriction indicator which
red indicator flag which gradually
trapped
by
the
When the flag reaches
See
Fig. M.3.
the
to
work
in
most reliable
heavy concentrations
m~thod
in
this type incorporates a
rises
applica-
of
.ascertaining
by
use
as
the
of
of
the
dirt
air cleaner increases the pressure drop.
the
top
position
it
locks in
place, and the element should be changed. To re-set
the
indicator push
the
Re-set
button.
is
is
M3
A furthe1 check
system
is
tab placed
through
deflect
which
dust
immediately clouding
on
the
by
efficiency
a Dust-Sight. This incorporates a metal
directly in
against
the
the
air-stream, and a window
tab can be seen.
the
the
glass. When
inside
of
the air cleaner
The
of
the
the
cleaner and
tab will
window,
induction system are working correctly the window
stays clean.
the trunking adjacent
This device, where fitted, will be found in
to
the
engine air intake or
manifold.
If
a restriction indicator
the replacement
of
on a regular schedule basis,
maintenance advised
turers hand
book,
only be based on the prevailing conditions
the
application is working.
This
type
of
air cleaner incorporates a pre-cleaning
in
device
removed from
charges
which heavy dust particles are initially
the
into
the
engine exhaust gases via an aspirator.
Pre-cleaned air then enters
cleaning, before entering
or
other
device is
not
fitted,
the filter elements must be done
in
in
accordance with
the
vehicle
or
but
servicing of air cleanerS can
air entering
the
filter elements for final
the
engine air intake.
plant manufac-
the
filters and dis-
in
the
which
Page 74
Air
Cleaner
M4
Element
Unclamp the pre-cleaner panel and move
Pull
cartridge and replace with a new one.
Locate
Warning
Under no crrcumstances should petrol/gasoline be
used for cleaning
body,
Renewal
to
out
the dirty single unit, multiple element filter
the
pre-cleaner panel and re-clamp in place.
any
part, filter element or filter
of
the
air cleaner.
one side.
Page 75
Section
• •
N
Electrical System
Nl
Alternator
Dynamo
Motor
Starter
Manufacturer
Type
Rotation
Maximum output
Maximum output
Alternator Cut-in
Alternator Cut-in Speed
Manufacturer
Type
Rotation
Output
Dynamo Cut-in
Manufacturer
Type
Number
Maximum current
Starter Cable Resistance
of
teeth
12
volt (hot)
12
volt (hot) ACS
Speed
Speed
on
Pinion
ELECTRICAL
II
AC
11
AC
AC5
SYSTEM
LucasorC.A.V.
llACorACS
Clockwise viewed from drive end
43 amps at 13.5 volts
55
amps at 13.5 volts
1000 revjmin
1125 rev/min
LuOti
C40A, 2-pole, 2-brush, shunt
wound, voltage control.
Clockwise viewed from drive end
which operate under exposed service conditions. The
C40L
is
applications
a ventilated
such
dynamo
as
road vehicles, which operate·
and will be found
on
under cleaner and more normal conditions.
Both
types are shunt-wound two-pole two-brush
machines arranged
to
work
in
Conjunction with a
compensated voltage control regulator unit. A ball
bearing
a
supports
porous
commutator
The
output
regulator unit and is
of
the
battery
equipment
of
charge, the
the
battery
sufficient
tion
without
increase in
taken
by
lamps and
Whin
fitting a new
only
an authorised replacement. An incorrect replace-
ment
can result in damage to
Routine
Maintenance
the armature
bronze bush
end.
of
the
dynamo
dependent
and
in use. When
dynamo
is
fully charged, the
output
to keep the
any possibility
output
is given
other
control
at
at
the driving
the
is
on
the
loading
the
battery
gives a high
dynamo
battery
of
to
balance the current
accessories when
box,
it
the
dynamo.
rear supports
end
controlled
the state
of
is
output,
by
of
charge
the electrical
in a low
state
whereas if
gives
only
in good condi-
overcharging. An
in
use.
is
important
to
and
the
the
use
SeiVicing
Testing in Position
to
Locate
Fault
in
Charging
Circuit.
1. Inspect the driving belt and adjust if necessary.
Check the connections
2.
on
the
commutator
end
bracket. The larger connector carries the main
dynamo
output
and the
~maHer
connector,
the
field current.
off
3.
Switch
all lights and accessories, take
the cables from the terminals
of
the
off
dynamo
and connect the two terminals with a short
length
of
wire.
Start
4.
the engine and set to run
at
normal idling
speed.
Clip the negative lead
5.
voltmeter. calibrated
dynamo
termmal ami the
good earthing point
Gradually increase the engine speed, when the
6.
of
a moving coil type
0/20
pos1t1ve
on
the
yoke,
volts, to one
lead
to
voltmeter reading should rise rapidly and
without
meter reading to reach
the engine
It
of
rapidly and
be
Excessive sparking
fluctuation. Do
in
an
is
sufficient to run the
attempt
1.000 rev/min.
wilhout
not
20
allow the volt-
volts, and do not race
to increase the voltage.
dynamo
If
the voltage does not rise
up to a speed
fluctuation the unit must
dismantled for internal examination.
at
the
commutator
in
the
above test indicates a defective armature which
should be replaced.
a
Lubrication
Every
4,000
miles
(6,000
km)
or
ISO
whichever
30
engine oil
commutator
Inspection
60,000
Every
hours, the
is
the sooner, inject a few drops
into
end
of
dynamo
the hole marked
bearing housing.
Brush Gear
miles
(90,000
should be removed from the
km)
running hours
of
"OIL"
or
2,400
S.A.E.
at
the
running
engine and the brushgear inspected by a competent
electrician.
Belt
Adjustment
Every
4,000
miles
(6,000
km)
or
whichever
belt, and
by
turning
taken
be
to avoid overtightemng
time check
Pull
to a torque
is
the
if
sooner, inspect
necessary adjust
the
dynamo
the
dynamo
of
15/20
on
pulley securing
lbf
150 running hours,
the
to
dynamo
take up any slackness
driving
its mounting. Care should
the
belt.
At
the same
nut
ft
(2,07/2,8
tightness.
kgf m).
Starter
Motor
Model M45G
General
This
starter
return
motor
is
a four-pole, four-brush
earth
machine with series-parallel connected field
coils.
A solenoid-operated pre-engaged drive assembly
carried
main features
on
an extension
of
this type
of
the armature shaft.
of
drive are as
follows:-
(a) Positive pinion engagement preventing
the
pinion being
thrown
out
of
mesh
whilst starting.
(b)
Dual-purpose plate-clutch incorporated
the
drive assembly giving over-speed and
over-load
(c)
Self-indexing pinion
engagement
flywheel
begins
protection.
between
teeth
to
rotate.
to
ensure
the pinion and the
before the
starter
smooth
motor
is
The
in
Page 80
Electrical System
N6
(d) Armature braking system
return to rest when the start
released.
to
ensure rapid
button
The lamps do
is
2.
reading remains
and the
motor
not
steady
does
dim,
not
at
about
crank
the
the
voltmeter
12
volts,
engine.
Routine
(a) The
(b) After the
Sen-icing
Testing in
Maintenance
starter
maintenance
inspection
motor
requires no routine
beyond
of
the electrical connection
the occasional
which must be clean and tight, the brush
gear, and the
service for
2,400
sooner, remove the
the engine and submit
commutator.
starter
60,000
motor
miles
has been
(90,000
running hours, whichever
starter
motor
11
to a thorough
bench inspection.
I.
Brush wear (this
of
Renew
approaching,
the
amount
is
a fair mdication
of
work done).
brushes worn to,
5/16
in ( 7,9 mm)
in length.
Brush
2.
spring ten•ion. Correct
swn
is
30/40
01
(0,85/1,13
Renew springs if tension has
dropped
3.
Sk1m
badly
Check bearings for excessive side
4.
play
5. Check pinion movement.
6.
Clean and lubricate the indented
bearing
using
below
25
commut~tor
worn.
of
armature shaft.
insid~;:
a
bentonite
the pinion sleeve
oz (0,71 kg).
if
it
is
pitted
based grease
this purpose.
7.
Clean and lubricate the
indenkd
bronze bearing m the intermediate
bracket.
Use
Ragosine 'Molypad'
Molybdenised non-creep oil for this
purpose.
Position
in
km) or
is
the
from
or
ten~
kg)
or
for
Conned
to
voltmeter from solenoid terminal
starter
yoke
and ooerate
starter;
No volts indicated:
Poor
Jug
(a)
(b) Bad
connections
earth
connection
(c) Broken starter lead,
at
battery
battery
to
starter.
Full volts i.e. 12(14 volts indicated.
(a)
Faulty
solenoid switch.
(b)
Starter
Model-
Open circuit
Motor
CA45
in
starter
- check brushes.
General Description
Designed for flange mounting, the
motor has a uniform cylindrical shape with
protrusions. This
is because the solenoid and main
CA45
no
switch assemblies are housed within the drive
shield,
around
(i.e. co-axially with)
the
annature
shaft.
The essential feature
the Pinion alone moves axially to engage
flywheel. There
whole armature assembly,
Smooth
flywheel
operation
Thus
engagement
is
constantly ensured by using two-stage
of
the nsk
the solenoid and switch mechanisms.
of
through faulty meshing,
construction,
In
sections,
I.
into
which it can be easily dismantled.
The solenoid switch-gear and pinion assembly
of
the co-axiall
starter
the
is no longitudinal movement
as
in
the
axial types.
of
damage
the
starter
the pinion with
to
both
is
pinion and flywheel,
practically eliminated.
consists
of
the
three
is
housed in the drive end-shield.
'BAT',
starter
surface
end-
that,
engine
of
the
engine
main
Switch
the lamps.
If
the vehicle
on
with lighting, then connect a
battery
the
starter
termin~ls
control
and watch for the following
before proceeding. Operate the
symptoms:-
1. The lamps dim
drops
to
not
battery
earth
about
crank
the
(must be at least half-
battery
connection).
that
the engine
does
Check
charged) and
good
cranking
mally stiff.
is
not
0}20
(or
voltmeter reading
equipped
voltmeter across
6 volts), and the·
engine.
lugs (clean and a
Check by hand-
is
not
motor
abnor-
The
armature,
yoke,
2. The
3.
Ready access
most likely
gear and
commutator
shaft and
commutator
pole-piece and field-coil assembly.
is possible
to
require
therefore,
adjustment,
to
such
assemblies.
assembly.
those parts
as
the
switch-
Page 81
Starter Motor
Model
MSO
General Description
The model M50 starter
of
5 in ( 127,0 mm) nominal yoke diameter, and has a
21
slot armature.
motor
is a four
pole machine
Electrical System N7
It
is
essential
grade as those
always be used.
four
fixing screws,
assembling care must be taken
coil and interconnectorleads, held by
fixing screws. Before inserting brushes in their
holders, it
with compressed air
moistened with petrol.
that
replacement brushes are the same
originally fitted. Genuine spares should
To
remove the brushes, unscrew the
one
to
each
brush.
to
reconnect the field
two
is
advisable
to
blow through
or
clean
them
the
with a
In
re-
of
the
holders
cloth
The drive
screw
The function
being
engaged position being held
started. The solenoid incorporates a
switching arrangement which ensures
develops its
flywheel engagement has been achieved.
Testing
Ensure
Switch
If
the
full brilliance, check
tions to the
action
connection.
Difficulty in
engine flywheel
starter-shaft helices preventing free pinion movement.
The
fluid followed
of
Aero Shell
is
of
type,
rotated
on
that
on
starter
of
shaft
pre-engaged, soleoid
incorporating a five roller clutch.
of
the
clutch
at high speeds
maximum
is
torque
the Vehicle
the
battery
the lamps and operate the
fails
starter
the
starter
smooth
should be
by
6B
is in a charged
to
function,
the
switch and
and all external leads. Sluggish
can be caused
engagement
is
probably due
thoroughly
the application
or
its equivalent.
operated,
to prevent the armature
in
the
after
only when full pinion-
but
cleaned
event
the engine has
that
condition.
starter
the lights maintain
battery
by a poor
between
to
of
a small
push
of
the
two-~>tage
the
motor
button.
connec-
or
faulty
starter
dirt
with
and
on
the
cleaning
quantity
commutator
The
or
dirt. Any trace
oil
pressing a clean dry fluffless cloth against it, while
armature
If
brushes and wrap a strip
paper
the abrasive side inwards. Rotate the armature
hand until the surface
moistened cloth.
If
gear
an authorised agent.
Every
hours, whichever
examination and service
the
commutator
(not
repair
etc.,
60,000
is
is
the
should be clean, entirely free from
of
such should be removed
hand
rotated.
is
dirty
or
emery cloth) round the
necessary to the
starter
miles,
of
is
must be exchanged
(90,000
is
the sooner, arrange for the
or
discoloured, tilt the
fine glass
even. Clean with a petrol
the
or
commutator,
commutator
km)
or
starter
motor.
by
carborundum
01
2400
with
by
or
switch
repaired by
running
Maintenance
Brush Gear and Commutator
Inspect the brushes
are free in
free for movement,
and pulling gently
brush
and clean the sides
Be
sure
to retain the
bedded (i.e. worn
if
not,
paper firmly
abrasive side outwards. With the brushes in position,
rotate
direction
obtained.
springs are
they
pressure
lip. The correct tension
their guides and
is
inclined
to
refit the brushes in their original positions
wrap a
the armature
of
rotation;
If
the brushes are worn
no
should be renewed. Check the
by
hooking a spring balance
at
intervals
by
easing back the brush springs
on
the
to
stick, temove
with
a petrol moistened cloth.
"bedding".
to
the
strip
of
very fine glass
around
longer providing effective pressure,
the
by
hand in the norntal working
until the correct
is
to
ensure
that
the
leads are quite
flexible connectiori.s.
The
commutator
30/40
it
from
brushes should be well
commutator
periphery)
or
down
under
ozf
(0,85/1,13
carborundum
brush
so
brush
that
its holder
with
shape
that
the spring
they
If
but
the
is
the
spring
kgf).
a
Page 82
Description
H.l75
The
sliding vane
rotor.
type
unit,
exhauster
with
is
a high speed, rotary,
an eccentrically
• •
Section
P
EXHAUSTER
mounted
Exhauster
Pl
At all speeds, the
in
contact
force, assisted
beneath
No.
the eccentric
body.
the space between it and
and
rotation
compressed until the blade passed
Fig. P.S, No. 4 when the air,
surplus lubricating oil,
crankcase.
The
screwed
into
Mounting
The exhauster
case by
case cover,
exhauster
provided by
locating
P.2.
The exhauster
the back
pump
the blades. When the
3,
the
As a blade passes
air
is
decreases the space and
pnit
into
the vacuum pipe and reservoir during operation.
four
into
gear.
rotor
blades Fig.
with
the
bore
by
spaces
between
mounting
drawn from the vacuum reservoir.
has an
the
inlet
is
mounted
setscrews entered
through
mounting
a dowel
the
exhauster
is
,sear driven through an aperture in
of
the
timing case, in train with the fuel
of
the
hydraulic action
of
the
the
is
oil
check valve Fig.
port
the
flange. A location
on
the
P.l,
No.2
the
body
by
rotor
the blades vary because
the
inlet port Fig.
following blade increases
discharged to
turns Fig. P
rotor
in the exhauster
the
the
discharge port
together
P.l.
to prevent oil from passing
on
the rear
into
timing case and into the
fuel
mounting
of
the front timing
pump
adaptor
flange. See Fig.
are
kept
centrifugal
of
the oil
I,
No. I
Further
air
is
then
with any
the
engine
No.
the timmg
is
also
body
.I,
of
PI
4,
Lubrication
Oil
is
fed
into
the
end cover Fig. P.S,
pump
adaptor
an annular groove in
through
passes
an oilway drilled
further
and a
cates
the
relieved
front
holes in the
through
through
the slots in the
is
port.
exhauster
housing.
holes in
through
drilling from
bearing Fig. P.S,
rotor.
No.
the
rotor
a passage
through
I,
via a pipe from the fuel
From
rear bearing housing. The oil
the
bearing Fig. P.S,
the
length
the
shaft
At
the
rear end
into
a drilling
the
drilling, oil enters
of
the
centre oilway lubri-
No.2.
Oil also passes
communicating with
of
the air/oil discharge
No.3,
rotor
the
in
the
to
shaft
shaft, oil
P2
Page 83
Exhauster
P2
P3
Servicing
Every
houn;.
Remove and dismantle the exhauster, and thoroughly
clean and inspect for wear and damage.
After removing
clean with a solvent and brush.
Unscrew the nuts securing
and remove.
It
tion, see Fig. P.3. Mark the
the
and union and remove the
In
necessary
circlip will release the gear from the splined shaft.
Before
solvent. Clear the oilways in the
compressed air.
Examine
longitudinal ripples
the
the
Exhauster
60,000
will be noted that the
rotor
order
body
miles
the
and withdraw. Unscrew the oil check valve
to remove
to
remove the gear. The removal
examination,
the
body
should be renewed.
Unit
(90,000
grease and dirt from
the
for <:racks, and the bore for
or
km)
or
the
end cover to the
end
cover has a dowel loca-
rotor
blades
copper
washers.
rotor
from the body
wash all parts in cleaning
hnes.
If
rotor
this
2400
the
exterior,
in
relation
it
and
body
condition
running
body
to
will be
of
the
with
exists,
rotor
The
beanngs, and if found
be replaced.
Examine the
check
rotor
Examine the oil check valve for damage,
if necessary.
To
Lubricate all working parts
prevent possible damage when the engine
and until oil flow commences.
Replace the
gear and secure with circlip.
Replace the
before removal, see Fig. P.4.
Making sure
removed, smear
with
cover and secure
The nameplate
should be a good running fit in the plain
rotor
that
the blades are a good' sliding fit in the
slots.
Reassemble
rotor
rotor
that
a suitable
to
be
worn,
the bearings should
and the blades for damage and
with
clean engine oil
into
the
exhauster
both
jointing
with
is
secured
blades in
all traces
sides
the
same position as
of
the
of
a new
compound,
setscrews and spring wasben;,
by
two
of
the setscrews.
body,
old
epd
refit
and
is
refit
joint
cover
replace
started
the
joint
the
end
to
are
P4
Page 84
End float
0.0015/0.0035 in (0,04/0,09 mm).
of
rotor in the exhauster body should
be
Exhauster
P3
Rotate the rotor
without binding after
screws.
Screw the oil check valve and union, together with
the copper washers and tighten.
Re-mount the exhauster unit
timing case, using a new
locating the exhauster
fuel pump adaptor body.
Secure the exhauster unit
spring washers in the front timing case cover.
by
hand
to
ensure
tlghtenmg the ena cover set-
onto
joint
with sealing compound,
by
means
by
that
the rear face
of
the dowel in the
four setscrews and
it turns
of
the
PS
Page 85
4.154 marine engine
General Data
Type
.....................................
Bore (Nominal)
Stroke
Cubic Capacity
Compression Ratio
Combustion System
Firing
Order
Rotation (viewed
Cooling System
Fresh
Water
Cylinder Head
Maximum
Lubricating
Lubricating
Total Lubricating Oil Capacity
*Early 4.154M
Lubricating
..................................
.........................................
..................................
...............................
.............................
.....................................
from
rear
of
engine)
.................................
Capacity
Water
Permissible Sea
Oil Pressure (engine)
Oil
sumps
Oil Pressure (gearbox)
............................
Temperature
Sump
Capacity*
had a capacity
Water
Inlet Temperature
...................
....................
.....................
................
..................
..............
of
141MP
Section
·······
.
.
.
.
.
.
.
.
.
·
..
...
.
.
.
.
pints.
8,0
litr,es ·
.
'0:
Cylinder, Four Stroke, In-Line
Four
3.5 in (88,9
4.0 in (101,6 mm)
153.9 in
21.5:
Indirect Injection
1-J.-4-2
Left
Indirect (Heat Exchanger)
25
pints
178°F (81°C)
100°F (37,8°C)
30/60
and
151MP
16.5
8.4
US
110/150
ing temperature and speed.
sive speed may cause pressures
(14,06/17,58
mm)
3
(2,5231itres)
1
Hand Rotation
( 14,21itres)
lbf/in2 (2,1/4,2
normal operating temperature.
pints·
8,51itres · 9 US quarts
IMP
pints·
9,41itres · 9,9 US quarts
pints
lbf/in2 (7,73/10,55
2
kgf/cm
kgf/cm
).
2
kgf/cm
Low
Marine
at
maximum speed
)
2
at
normal operat·
)
temperature
of
200/250
Engines
or
exces·
lbf
I in
Ql
2
Lubricating
Maximum
Installation
Engine
Engines can be
Battery Cable Resistance
Oil (gearbox) capacities
Direct Drive
Reduction
.................................
..................................
Permissible Engine
Angle
may
be installed
installed
ENGINE RATING
without
rev I
min
rev/min
Pump
Craft
without
rev I
rev/min
Craft
Gearbox
Service
Gearbox
min
General Pleasure
Gross
Output
62
bhp
at
3000
Nett
Shaft
Horsepower
at
bhp
Shaft
3000
Output
at
3000
Horsepower
at
3000
58 shp
Fuel Injection
LJ51/750/1/3190
Commercial
Gross
62
Nett
54 shp
.................
Compartment
at
angles between
on
the
level
but
..........................
with
Direct Drive Gearbox
Siming
Code
with
2:1 Reduction Gearbox
Temp
0°
and 10°
should
not
.
.
.
.....
front
operate
.
Level
3 pints ( 1,
4. 7
pints
end
up,
which
with
the
front
Not
to
ENGINE WEIGHTS
Marine Engine
less Gearbox
6681b (299 kg)
Marine Engine
8031b
71
litres)
(2,36 litres)
allows
for a further
end
down.
exceed 0.0017
with
Including 2:1 Gearbox
(364
kg)
Inclined
2.2 pints ( 1,21itres)
4.5
pints (2,51 litres)
3°
rise underway.
OHM.
Flywheel Housing and Flywheel
but
Page 86
Marine Engines Q2
Dimensions
-
26.29---------;
MODEL
WARNER
"V"
71
DRIVE
Page 87
22
21
1
Sea
Water
P1pe
2 Fresh Water
from Pump to Heat Exchanger.
P1pe
from Eng:ne
3 Water Temperature Sender.
4
Lubricating Oil Dipstick.
5 Lubricating
6 Induction
7
Closed
011
A1r
C1rcu1t
Filler Cap.
Filter.
Breather Pipe
8 Atom1ser.
9 Lubricating Oil Filter Canister.
10
Fuel
011
11
12
13
14
Filter
Electrical Engme Stop Control Actuator.
Gearbox Lubricating
Gearbox Control Lever.
Gearbox Lubncallng Oil Filler/Dipstick.
Oil
Pressure Sender {position).
20
19
18
to
Heat Exchanger.
Ma
rine Engines Q3
Engine
Views
Perkins engines are built to
individual requirements to suit
the applications
are intended and these engine
views do
particular specification.
any
17
16
IS
15
Reduction Gearbox.
16
Forward and Reverse Gearbox.
17
Flywheel Housing.
18
Flex1ble
19
20
21
22
23
24
25
26
27
28
Lubncating
Starter
Motor
Lubncallng
Lubncatmg Oil Sump.
Eng1ne
Sea
Water Pump Inlet.
Fuel
Sea
Water Pump.
Engine
Cold Starting Adaptor.
Thermostat Housing.
.
01l
Sump Drain Plug.
Lubncatmg
InJeCtion
Pump.
Serial Number {position).
Oil
P1pes.
011
Pressure Sender.
for
which they
not
necessarily typify
29
Sea
Water Outlet.
Fresh
Water
30
31
Fresh Water Filler Cap.
32 Sea Water Inlet
33 Alternat
34 Alternator I Fresh
Heat Exchanger/Exhaust Manifold Fresh Water Drain
Plug.
43
Exhaust Manifold Flange.
44
Header
35
36
Sump
Oil Cooler Water Drain Plug
Tank/Heat
Drain Pump {position).
Exchanger/ Exhaust Manifold.
{or
tap).
Page 88
Marine
Engines
Q4
Preventive
Maintenance
If a Perkins marine diesel engine
troublefree service,
in
accordance with the following Periodical
it
is
imperative that
is
to give long and
it
Daily
Check coolant level in header tank.
Check sump oil level.
Check
engine and gearbox oil pressures {where gauge
fined).
Check gearbox oil level.
Every
150
hours or 3 months (whichever occurs
first)
Drain and renew engine lubricating oil
Renew lubricating oil fitter canister
Check both drive belt tensions.
Clean air intake gauze or screen.
Check engine for leakage
Clean
sedimenter
Every
occurs
Renew final fuel filter element.
Check hoses and clips.
Drain and clean fuel tank.
Renew gearbox lubricating
Service atomisers.
Clleck and adjust valve tip clearances.
450
first).
/water
hours
or
of
trap.
12
oil
oil or water.
months
be
maintained
Attentions:-
(whichever
Every
Arrange for examination and service
equipment, i.e. starter
2,
700
hours
motor, generator etc.
of
proprietary
Page 89
Marine
Engines
QS
Gearboxes
BORG-WARNER 71CR
Filling
Transmission fluid Type
reaches the full mark on the dipstick. The unit should be
turned over
circuits.
Procedure
The oil level should
down
full mark on the dipstick. The dipstick assembly need
not
be
boxes have a plug type dipstick.
Oil
Capacities
at
idling
for
checking
and sufficient oil added
threaded into the
Typo
l1C&CR
1.523.
1
1.91
. 1
2.10 ; 1
2.57
:1
2.91 : 1
Inclined
71C&CR
1.523 : 1
: 1 2.7
1.91
2.10
:1
2.57:
1 2.7
2.91 : 1
Oil
Temperatures
Oil
pressure
110-
normal operating temperatures
73,8':'C).
pressures
may be obtained. A maximum transmission oil temperature
PROPELLER
(auxiliary
When
yacht
the propeller
With
for
exceeded:-
Direct Drive
At
low
of
200-
of
190°F (87 ,6°C) is recommended.
SHAFT
yacht
lnstallatlonal
oil operated reverse gears are used on auxiliary
installations care
with
the Borg-Warner gearbox
8 hours providing the following
1.5
1.9
2.1
2.5
2.9
"A"
should be added until
speed
for a
short
time to fill
oil level
be
checked immediately after shut-
to
bring the level
case
to determine
oil
Level
u.s.
Quorta
Imp.
Pints
1.8 3.0 1.71
2.5
2.5
2.5
2.5
2.5
1.3
4.2 2.36
4.2 2.36
4.2
4.2
4.2
2.2 1.2
2.7 4.5 2.56
4.5
2.7
4.5
4.5 2.56
2.7
and
150 lbf/in2 (7,73-
temperature
250
lbf/in2 (14,06-
TRAILING
must
the engine
4.5
Pressures
of
150
or
be exercised
or
engines
it
is permissible
shaft
10,55 kgf/crn')
- 185°F
excessive speeds,
17,58
when
out
speeds are
1,500rev/min
1,000rev/min
to
level. Later
Utros
2.36
2.36
2.36
2.56
2.56
2.56
(.66,55
kgf/cm
trailing
of
use.
to
790
rev/min
715
rev/min
600
rev/min
520
rev/min
all
the
trail
not
it
at
Transmissions incorporating reduction gear
means
of
stopping the transmission
prolonged or continuous freewheeling. This is because
the engine, being stopped, does
in the gearbox. The box therefore is
lubricated.
Propeller shaft brakes are available and the boat builder
or
stern gear specialist should be contacted for further
details.
Cooling
A centrifugal
the engine and belt driven from the crankshaft, delivers
coolant directly into the cylinder block and head.
When the thermostat
through the combined heat exchanger/exhaust manifold/header tank unit.
circulated through a dual engine and gearbox tubular
lubricating
fresh water pump.
An
external by-pass arrangement allows the fresh water
to
circulate
allows
Sea
water is circulated through the heat exchanger
by
means
expelled overboard or
system.
Sea
Water
The
sea
heat exchanger and is bracket mounted on
cover.
case
The pump is belt driven from the crankshaft pulley.
The pump is self priming
-
2
!
when
been laid
To
Remove
Uncouple the inlet and outlet connections.
Unscrew the
Remove the rubber seal in the impeller housing and
ring and seal in the bearing housing.
If
wear
plate
reversed.
sary
to
emery paper.
rotation
tained
the
pump
To
Reassemble
The reverse order to the procedure above should be
adopted for the reassembly of the
Care should be taken
that
the blades all lay
the
rotation
When
coated
alternative.
When
the top surface, rear face and securing setscrew hole
with
a suitable JOinting
It
is possible to
Cautionary
Because the
must
laid-up and the engine unused
water
grease
Fresh
The
mounted
driven
To
Remove
Slacken the
four
the
pulley to pulley hub and remove the pulley.
Loosen the rubber hose by-pass
rubber hose
(situated behind the
Remove the five setscrews and spring washers securing
water
the
and
joint
To
Refit
Use a
nut
securing the pulley
from
the
shaft.
may
be used
together
or
with
the
water
pump
impeller housing
indications
water
In
remove the
of
the impeller,
by
turning
coupling
of
the rubber impeller
with
refitting the cam in the impeller hous1ng.
are apparent on
pump
end plate,
the case of the
stamped
This
will
remove the arrows
but
the eng1ne and
the
Sea
when
1n
the same direction relative
the
pump
i.e. blades trailing.
MARFAK
fit
2HD
compound.
the cam
to
end
this rotation can be ascer-
Water
replacing the rubber impeller
1s
grease
the housing one
and
to
press
out
bearing.
may
then be detached
the
both
of
plate it may be
instructions
noting
Pump
sea
water
being
fitted.
or
glycerine
draw
the impeller
impeller wear
these may be
by
showing
the
rotation
pump.
it
Note
water
pump
contains a rubber impeller
not
be run
in a dry
pump
should be packed
or
coated
with
Water
Pump
water
pump
on the
front
from
the crankshaft.
the
water
setscrews and spring washers securing the
connection
pump
to the cylinder
may
now
the
Fresh
new
JOint.
condition.
glycerine.
for
the closed circuit cooling is
of
the cylinder block and
Fresh
Water
pump/generator
from
alternator)
be removed.
Water
Ensure that the
If
for
any
with
Pump
drive
connection.
the
block.
Pump
joint
the
length
MARFAK
pump
The
faces are clean.
craft
of
belt. Remove
Loosen the
inlet pipe
water
off
neces·
means
must
as
way
only.
is
to
time
is
pump
the
"0"
the
be
an
coat
be
the
2HD
belt
of
of
to
Refit the
it
Reconnect the by-pass and
the
refitted and the
generator adjusting lever setscrew and
bolts.
Move
when the
the crankshaft
approximately
Secure the alternator
adjusting lever setscrew and check to ensure
tension is correct.
To
Remove the pulley hub retaining circlip and
able
Separate the
by removing the
Press the shaft, complete
of
Remove the bearing retaining circlip
hub
the
the
Remove the impeller
puller.
To
See exploded
Press the bearings and distance piece
and pack
bearings
Press the shaft complete
the
it
clip,
Supporting
pulley hub
Smear the outside
suitable
over the impeller end
towards
recess
Fit the ceramic
ceramic face
Fig. K.4
Press the impeller
0.390/0.413
rear face
front
Using a
clean,
with
lbf
should
and the inside
Fig. K.4. (basic manual).
pump
to
the cylinder
with
spring washers and setscrews.
pulley. The
the generator so that the belt is tightened,
Dismantle
tool,
the back or impeller end of the
end of the
two
front
Re-assemble
pump
see Fig.
within
face
fit
six
/ft ( 1,66/2,07
A running clearance
water
pump/generator
belt tensioned
thumb
is
applied
pulley and generator,
3/8
in (10
the
Fresh
pull the hub
two
halves of the
Six
nuts and spring washers.
pump
shaft bearings and distance piece
of
the
body.
the
view
on
half
to
two
with
high melting
body
and locate
K.4
No. 1 (basic
the shaft
onto
the shaft,
of
gap-filling
the rear of the
No.2
of
of
new
the rear
nuts
now
compound
the
pump
counter
is
to
the carbon face of the seal, see
(bar.ic manual).
onto
in
(9,90/10,49
the
front
the impeller,
joint
and ensuring
half
and spring washers and
kgf
I m).
be obtained
of
the rear
block
front
water
inlet hoses. Refit
by
to
the stretch of belt between
it
mml.
support
off
body
from
Water
thirds
at
the brass case
of
body.
half
of
of
bracket bolts and the
Water
Pump
the shaft.
water
with
seals and impeller,
body.
from
and
with
the shaft using a suitable
Pump
page
11
(basic
of
the space between the
point
grease.
with
bearings
with
the bearing retaining cir-
manual).
the impeller end, press
fitting
the retaining circlip.
of
which
may
the shaft
pump.
face over the shaft so
the shaft
see
the
0.004/0.045 in (0,10/1,
between
with
The seal locates
until
mmJ
is obtained between the
of
the
pump
Fig. K.4. (basic manual I.
that
the
water
pump
the impeller blades
half
of
the
face, securing
drive belt may be
slackening the
support
can be depressed
a mandrel, press
into
the carbon face
tighten
pump
bracket
that
with
a suit-
pump
body
the
front
from
out
manual)
onto
the
shaft
the
front
the seal
a clearance
now
body
joint
body
with
be
fitted
into
that
and
faces are
securing
to
12/15
14
body,
that
the
out
or
of
of
the
the
of
the
mm)
see
a
a
Page 91
Fresh water heat exchanger
I
Marine Engines Q7
'-
..
A.$
p
ffixhaust
1 Header tank 1
..
l
Engine Block
manifold
Head
l
..
~-
f
1
FRESH
Engine
~ILC
OOLERS
""
~
Gearbox
WATER SYSTEM
Sea water inlet
To water injected
exhaust
overboard
SEAWATER
or
CIRCUIT
Page 92
Marine Engines Q8
Heat
Exchanger
(Refer
The heat exchanger unit is combined
manifold and header tank as a single assembly.
The function
water in the closed circuit
achieved by passing the
small bore tubes and guiding the heated fresh water,
piped from the engine, over the tubes
number
is also contained in the heat exchanger/header tank
assembly, the water acts
manifold gas passages.
In order
sary
To
Remove the fresh water filler cap, unscrew the water
drain plug or open the tap, if fined, and drain the water.
Loosen the
both
the end covers.
This
drawn
to
Engine
of
brass baffles. Because the exhaust manifold
to
clean a choked-up tube stack
to
remove the assembly from the engine.
Remove
two
ends
of
will expose the tube stack which may
out
from
vievvs,
of
the heat exchanger is
the
Tube
hose clips securing the end covers at
the heat exchanger assembly and remove
within
page
03)
with
sea
sea
water through a series
as
a cooling media
Stack
the header tank.
with
to
cool the fresh
water. This is
with
it
the exhaust
the aid
of
for
the
is
not
neces-
now
of
be
Cleaning
If the tube stack is badly choked the best method
cleaning is
boiling caustic soda solution.
This
The outside
these are in the closed circuit.
The inside
through them, are more likely to require cleaning.
If the inside
require using caust1c soda, they can be cleaned by
pushing a length
tubes in the opposite direction
Care should be taken,
the tubes,
to
will loosen
of
of
of
not
place the assembly in a hot, preferably
all
foreign matter adhering
the tubes should be relatively clean
the tubes, which have salt water passing
the tubes are
of
to
damage the tube walls.
1/8
when
not
so badly choked as
in
(3,
18
mm) rod
to
the
pushing the rod through
flow
of
to
water.
the unit.
down
of
as
to
the
Thermostat
The thermostat is situated in a housing attached
front
of
the cylinder head and its function is
the engine coolant temperature.
To
Remove
Drain the fresh water coolant
moving the filler cap
and removing the drain
header
block can be drained by removing the drain
the right hand side
lubricating
Remove the
nection situated on the top
at
the
forward
The
top
thermostat
the
tank/heat
oil/gearbox
two
end
water
connection may
lifted
Thermostat
from
the system
from
the
top
of
the header tank
plug
from
the
bottom
exchanger assembly. The cylinder
of
the block, at the rear behind the
oil cooler.
setscrews securing the
of
the thermostat housing
of
the cylinder head.
now
out
of its location.
top
be removed and the
to
the
to
control
by
re-
rear
of
the
plug
from
water con-
To
Test
the
Thermostat
If
it
is suspected
correctly
Immerse the thermostat in a suitable container filled
with
perature at frequent
when the thermostat valve opens check that the tem-
perature
a
is stamped on the thermostat.
If the thermostat does
should be made
To
Clean the
stat in its location making sure
correctly.
Using a
the
and spring washers
Refill the closed circuit cooling system
through the
Water
Slacken the
adjusting lever.
Slacken the adjusting lever
curing setscrew.
Slacken the
alternator.
Sideways movement
adjustment lever should
With
nator away
tensioned. Tighten the adjusting lever
and test the tension in the following manner.
The tension should be adjusted so that,
pressure, the
(10 mm)
midway along the longest unsupported length
belt (between the alternator pulley and crankshaft
pulley).
When the correct tension has been achieved, the alter-
nator
tightened
housing setscrew.
Incorrect adjustment
failure. If the adjustment is
will
duced which could lead
the alternator
If
alternator bearings
in
New
When a
and readjusted after a short period
the initial stretch
it
water and gradually heat. Check the water tem-
of
Replace
two
new
top
water connection and secure
Pump
the belt in position over the pulleys, pull the alter-
with
to
bonom
occur. The efficiency
the adjustment is
early failure.
Belts
new
that
the thermostat is
may
be tested in the following manner.
1ntervals
the water corresponds
to
adjust it. Replace
the
Thermostat
joint faces thoroughly. Place the thermo-
joint
and suitable jointing compound
to
a torque
filler s1tuated on the
Belt
Adjustment
nut
and bolt securing the alternator
bottom
from
belt can be depressed approximately
followed by the adjusting lever
support bracket
of
the cylinder block until the drive belt is
the thumb applying pressure
support
of
would
also be reduced.
will be overloaded
driving belt is
common
with
not
function properly
of
241bf/ft
top
to
thermostat housing se-
the alternator, limited by the
now
be possible.
bracket
the belt can result in eventual
too
nut
of
the water pump will be re-
to
overheating. The
tight
the
fitted
to
new
not
a thermometer and
with
the figure which
it
with a new
that
it
with
(3,32
with
fresh water
of
the header tank.
nut
and
to
alternator
without
and bolt should be
to
too
slack belt slip
water
which
it
should be checked
of
running
belts.
operating
no
a«efT1)t
unit.
is seated
fit
setscrews
kgf/m).
to
the
bolt
to
nut
undue
3/8
in
at a point
of
the
thermostat
output
of
pump and
will
result
to
take
up
Page 93
To
Remove
(Refer
If
a sump drain pump is fitted it will have to
as
follows: -
Unscrew the union securing the drain pump
sump. The
cooler support bracket with
now
be removed to enable the pump assembly to
drawn out
Care
should be exercised when withdrawing the drain
pump suction
damage to the pipe.
Drain
plug at bottom
Loosen the
the cooler from the bottom ouUet of the heat exchanger
the outlet from the cooler to the pipe taking the
and
coolant back
The
flexible lubricating oil pipes may now
nected from the cooler.
Four nuts and bolts,
bottom secure the
support bracket; their
cooler body
the
Engine/Gearbox Oil Cooler
to
Engine views, page
clamp which secures the pump body to the
of
the sump.
pipe
from
out
off
the fresh water coolant by removing the drain
rear
of the cooler body.
clips from the
to
the fresh water pump.
to
be detached.
hoses
two
clamp holding the cooler body to the
removal will enable the clamp and
03).
be
removed
two
nuts and bolts may
of
the sump to prevent
connecting the inlet
be
at the top and two at the
to
the
be
discon·
to
Marine
Engines Q9
To
Clean
the
Oil Cooler
BEK"'.aUse
dismantle the oil cooler.
However,
ing medium blockage caused by foreign bodies is
likely.
If
traces of oil by dipping the unit
sene
Prepare a
tainer and immerse the cooler
of its integral construction it
because only fresh water
it
is necessary
or paraffin and drying thoroughly.
solution
to
clean the unit, firstly remove
of
caustic
soda
in
is
is
used
in
a container
in
hot
it.
not possible
as
the cool-
of
water in a con-
to
un~
all
kero-
Page 94
r-------------------------
Lubricating
Lubricating oils should meet the requirements
or
Mll-L-2104C. The lubricating oils
cosity index
Some
of
80.
of these oils are listed below. Any
able.
Company
B.P. Ltd.
Brand
Vanellus M lOW
Vanellus M
Castrol Ltd.
Castroi/Deusol
Castroi/Deusol CAB
Castroi/Deusol
Castrol/Deusol
Deusol A X Super
A.
Duckham & Co.
Mobil
Oil
Co. Ltd.
Shell
Ltd.
Fleetol
0
Fleetol
Fleetol
Farmadcol
Delvac
Delvac
Rotella
Rotella
Motor
for
use
other
MIL-L-46152
HDX
Oil
Multi
V
Multi
lite
HDX
1200
Series 1210
Special
TX
TX
Oils
of
the U.S. Ordnance Specifications
in Perkins Diesel engines should
have a minimum
oils which meet these specifications are also suit-
S.A.E. Designation
3QOF
QOF
1-lSOC)
to
30°F
(-10C)
CR
B 10W
5W/20
CAB 10W/30
CAB
10
10W/30
10W/30
10W
(-10C)
to
SOOF
(270C)
20W
20W-50 20W-50
20
10W/30
20W/50
20W/40
20
20W/50
20W/50
10W/30
20
1220
lOW/30
20W/20
20W/40
MIL-L-46152
Over
SQOF
30
30
10W/30
20W/50
20W/40
30
20W/50
20W/50
10W/30
30
1230
lOW/30
30
20W/40
Vis-
(270C)
Company
Brand
B.P. Ltd Vanellus C3
Castrol Ltd.
Castroi/Deusol
Deusol RX Super
Agricastrol
Agricastrol
Agricastrol
A. Duckham & Co. Ltd. Fleetol 3
Farmadcol 3
Esso Petroleum Co. Ltd.
Mobil Oil Co. Ltd.
Essolube
Delvac
Shell Rimula CT
Rotella
Rotella TX
Where oils
previous specification
to
the
MIL-L-46152
Ml
L-L-21
or
MIL-L-2104C specification are
048
may continue
vice.
The.above specifications are subject
to
MIL-L-2104C
CR
HOD
MP
MP
0-3HP
1300 Series
TX
alteration
without
OILS
QOF
(-1SOC)
JOOF
lOW
D
to
lOW
10W
3/10
3/10
10W
1310
10W
lOW
be used providing
notice.
to
I-10C)
S.A.
E.
Designation
3QOF
(-lOC)
to
SQOF
(270C)
20W/20
20
20W/40
20
20W/30
20W/40
3/20
3/20
20/W
1320
20W/20
20W/20
20W/40
not
available, then oils
they
give satisfactory ser-
Over
SQOF
20W/40
20W/30
20W/40
1330
20W/40
I27°C)
30
30
30
3/30
3/30
30
30
30
to
the
Page 95
Abbreviations ofTechnicaJ Tenns Applicable to Service Literature
Where it
down
A glossary
is
found
in British
of
TERM
ampere
atmosphere
brake
horse
British
Thermal
centimetre
Cubic
centimetre
cubic
inch
foot
foot
pounds
gallon
gallons
per
gramme
gramme
hour
inch
kilogramme
kilogramme
kilogrammes
kilometre
litre
mile
millimetre
miles
miles
minute
ounce
pint
pound
pound
pounds
pounds
revolutions
second (time)
shaft horse
square
square inch
ton
tonne
volt
yard
minute
per
gallon
per
hour
feet
per
square inch
per
power
centimetre
(I
000
necessary
Standards
such
terms
power
Unit
per
minute
metre
(torque)
per
square
(torque)
minute
kg)
to
use abbreviations in Service
Publications
with
their
{work)
centimetre
1991.
British
Literature
Standard
equivalent is given
GLOSSARY OF TERMS
BRITISH
STANDARD
A
•tm
bhp
Btu
em
em'
in'
ft
ft lbf/min
g•l
gal/min
g
gf
h
in
kg
kgf m
1
kgf/cm
km
I
mile
mm
mile/gal
mile/h
min
"'
pi
lh
lbf
lbf ft
2
lbf/in
rev/min
'
•hp
em'
in'
ton
I
v
yd
the
units
and
symbols
below
for reference purposes.
REMARKS
or
ampere
similarly for millimetre, etc.
similarly for
similarly for
when
when
or
inch
similarly for gramme,
or
litre
similarly for
similarly for kilometre,
when referring
when referring
similarly for
similarly for millimetre,
similarly for
if confusion
foot,
pint,
referring
referring
if
confusion
if
confusion
pint,
ton,
foot,
etc.
litre, etc.
to
gramme mass.
to
gramme force.
litre,
to
pound
to
pound
etc.
yard,
adopted
may
may
arise.
etc.
may
arise.
etc.
etc.
mass.
force.
etc.
etc.
are those laid
arise.
Page 96
--------~~~--~~----------
APPROVED SERVICE TOOLS
Available from
as~
8
V.
L.
Churchill & Co. Ltd., Oaventry, Northamptonshire,
~______,a
Tool No.
PD.1D
PD.10-1A
P0.1D-2
VALVE. GUIDE REMOVER AND
REPLACER
ADAPTOR
A
pair
nuts. Suitable for
The necessary
adaptors below
ADAPTOR FOR PD.1D
A 20.5
to replace valve guides to a set height.
(MAIN
TOOL)
FOR
of
mm
P0.1D
puller bars fitted with knurled
distance
Should also
(W,"l
J(f'
and
distance
I"
guides.
piece from the
be
piece
uaed.
used
NN11
All Types
All Typea
....
4.107
4.108
4NF,
England.
41
41
41
41
PD.1D-4
P0.1D-5
P0.1D-6
PD.1D·7
ADAPTOR
A 15
used to replace
height.
ADAPTOR
A 22.5 mm
to replace valva guides to a sat height.
ADAPTOR
A 15
to replace valve guides to a set
height.
ADAPTOR
A
11!.5
used
height.
FOR
PD.10
mm
(19/32")
valVe
FOR
PD.10
U"l
distance
FOR
{19/32")
FOR
(21132")
P0.1D
PD.1D
mm
mm
to replace valve
distance piece
guldn
to a
set
piece used
distance piece used
distance place
guid
..
to a
aet
P3.1<M
3.152
4.192
4.203
,_,..
6.305
V8.510
(Early)
6.354
Attar engine
8522198 general.
M/F. 883981
Horizontal Turbo
8430754
1!.372
•.
154
No.
41
Page 97
Tool No.
Descrlpdon
AppllceUon
()
PD.10-8
No.8
PD.418
P0.130A
SHORT VALVE GUIDE
REPLACER/ ADAPTOR
20
mm (0.787")
PISTON RING SQUEEZER
PISTON HEIGHT
GAUGE
A simple method
piston height.
FUEL PUMP ALLEN SCREW KEY
Assists. access to the otherwise
inaccessible screws on
AND VALVE DEPTH
of
quickly checking
D.PA
pump
V8.510 (Current)
V8.540
All
Types
All Types
4.99
4.107
4.108
4.192
4.203
--------
PD.137
P0.138
P0.140
PD.140·1
VALVE GUIDE REAMER
015"
0/size
VALVE GUIDE REAMER
030'"
0/size
CAMSHAFT BUSH/THRUST
COLLAR REMOVER
ADAPTOR FOR P0.140
4.236
4.212
4.248
4.236
4.212
4.248
V8.510
V8.540
6.354 Series
6.372
V8.510
V8.540
Page 98
Tool No.
Description
Appllc.llon
~
~
I
~
cc=J!]=J
~
p
PD.14G-2
PD.14t
PD.143 VALVE SEAT RETAINING CUTTER V8.510
PD.143·1 ADAPTOR
FUEL PUMP THRUST COLLAR 6.354 Series
REMOVER/REPLACER ADAPTORS
TIMING COVER OIL SEAL REPLACER
Used with 550 Driver Handle
AND
ROLLER HANDLE
Use with the appropriate valve seat
cutter
pilot
FOR
P0.143 V8.510
6.372
V8.510
V8.5-iO
V8.540
-~
\\•.
) I l'i
)
,,1,
'
~;;::_
G)
®
G)
~
PD.145
LC.173 INJECTOR SLEEVE EXPANDER
(top)
PD.146 cast iron head to give watertight seal
(bottom}
PD.t47
PD.150A CYLINDER LINER
CRANKSHAFT REAR OIL SEAL All engines wilh
REPLACER ADAPTOR
(UP
TYPE SEAL)
Expands the copper sleeve into the
prior to
CRANKSHAFT
REPLACER lip type seal.
(UP
REPLACER (MAIN TOOL)
For Field Service replacement of
single liners. Not advised
overhaul. For this
with a
injector
TYPE SEAL}
hydraulic ram unit.
fitting.
REAR
REMOVER/ All types
work
OIL SEAL
for
complete
use adaptors
51" lip
T8.354-3
All
engines with
type seal.
4"
Page 99
Tool
No.
O.acrlptton
Appllc.Uan
PD.150.1B
PD.15(}5
PD.150·6A
PD.150.7A
ADAPTORS FOR PD.150
Suitable
3.87" dia. Removal and replacement.
ADAPTORS
Suitable
Removal and replacement
ADAPTORS FOR PD.150
Used
ADAPTORS
U$ed
lor
cylinders
FOR
for cylinders
for
removal and replacement.
FOR
for
removal and replacement.
of
PD.150
of
PD.f50
3.6" dia. and
3.125" dia.
3.152
4.203
A4.212
4.236
6.305
6.354 Series
4.107
4.108
V8.510
VB.540
4.248
6.372
PD.150.10
1556
PD.155-1
PD.155-4A
ADAPTORS
Used to remove and replace cylinder
liners
block.
BASIC
The cruciform head with multiple holes
at
different centres is used with
adaptors
ADAPTORS
Used to remove water pump
Also suitable
Gears on 4.236. 6.354 and 4.154.
ADAPTORS FOR PD.155A
Used to remove Oil Pump Gear.
FOR
PD.150
with crankshaft in
PUllER
listed below.
FOR
PD.155A
to remove Camshaft
or
out
of the
pulleys.
4.154
All types
All types
3.144
4.203
4.192
3.152
Page 100
Tool No.
Dncrlptlon
Application
MF.200.26
~QP
~
~~
~
~
336-101
@
33&-102
WA.TER
Used
CON
ARBOR ADAPTOR
Used
ARBOR ADAPTOR A4.212
Us~d
PUMP OVERHAUL KIT All engines except
with 370 Taper Base and Press. V8.510
ROD
JIG & 336 MASTER ARBOR All types
with
335 4.107
with
335
V8.540
4.99
4.108
A4.248
A4.270
A4.300
A4
318
4.236
8.354
8.372
V8.510
V8.540
-
~
~
6118B
PD.6118-1 ADAPTOR FOR 8118B 4.99
P0.6118-3 ADAPTOR FOR 61186 3.144
P0.8118-4 ADAPTOR
VALVE SPRING COMPRESSOR All types
4.107
4.108
4.154
3.152
-4.192
4.203
4.270
4.300
V8.510
V8.540
FOR 6118B
4.236
6.354
4.212
4.2-48
~
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