Foster Machine No. 2F Foster Fastermatic Lathes

INSTRUCTIONS

for the

%

INSTALLATION

SETTING

2-F

FOSTER

This instruction manual
for the benefit of our customers and
their operators.
complete information which will enable
the operator to understand the controls
and their adjustments. It explains how

UP and OPERATION

of the

FASTERMATIC

is published

Its purpose is to give

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to make adjustments when necessary
and outlines the necessary attentions to

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be given the machines
greatest operating efficiency.

Should
sired,

additional information be de

an inquiry
service department will receive prompt
attention.

in order to get

addressed to our

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INTERNATIONAL MACHINE TOOLS

FOSTER DIVISION, ELKHART, INDIANA

INTERNATIONAL DETROLA CORPORATION

Of

MILLWRIGHTS

Location and leveling
General lubrication
Thermalign Unit

- - Contents - -

Of Interest to:

Page

3 and 4
5 and 6
17 and 18

MACHINE OPERATORS

Start and stop spindle: lever positions
Automatic speed changes

The hexagon turret ....

Starting the turret on automatic cycle .
Manual control of turret movements .
Automatic control of turret movements .

Feed Cams .......

Increasing feeds from Oilgear adjustment
Irregular or unsteady feeding

Failure of turret to index
Setting the turret non-indexing .
Turret cross facing attachment

Coolant system ......

Cross slide

.......

. . .

THE SET-UP MAN

Controls ........

Automatic speed changes . . . . .

Oilgear ........

Compound reverse valve and control circuit

Dwell select valve ......

Feed cams
Irregular feeding
Hexagon turret
Resetting the index plate
Turret facing attachment
The cross slide
Setting up tooling

Pick-on*

gears .

.

9

18, 19 and 20

. 32

31

. 29

30

. 30

31

32
31

. 32

37 and 38

. 21

36

9. 26, 27, 29. 30 and 31

. 8, 18. 19 and 20

22. 23. 21 and 25

. 26 and 27

28

. 30 and 31

32

. 32. 33 and 31

35

. 37 and 38

36

. 40

7

MACHINE REPAIRMEN

Lubrication
Deadstock
Drive shaft .
Back shaft
Countershaft and pinion shaft
Spindle
Turret
Clutches
Brake
Automatic speed changes
Oilgear
Turret facing attachment
Coolant system'

....

....

.....

.......................................

.

....

....

5 and 6

7

10 and 1 1
B) and 1 I

2

. 15

16

32

. 11, 12 and 13

I !•

. 8, 18, 19 and 20

22, 23, 24, 25, 41 to 46

. 38 and 39

21

DWE

LL SELECT

VALVE.

OILGEAR

START STOP SPINDLE.

[

\1 i ^ 7

SPINDLE SPEED \

CHANGE CONTROL

X/

MANUAL CONTROL OF TURRET MOVEMENTS.

MANUAL FEED CONTROL

ss

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CR

OSS SLIDE

CAM.

CAM BAR

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CAM

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FEED

CA MS-

METERING

VALVE

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OIL

.GAUGE

OIL DRAIN PLUG-

Z] LEVELING BLOCKS

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NEUTRAL /

LOCATION

A good foundation is essential for continued accur
acy with any machine tool. Floors on a ground level
are best, hut a separate concrete foundation extend
ing below the floor level will give the better result.

When necessary to make an installation on upper

floors, the location should he near a pillar or sup
porting wall.

several inches larger than the bases ol the legs and
from Zi to 54 thick should he placed between the
bases and the floor, thus providing a greater area for
supporting the weight of the machine.

Wood floors expand or contract with atmospheric

changes.

i

Often times such changes effect the accuracy of the

machine. The machine should be checked with a
precision level at regular intervals or at any time the
machine may become inaccurate.

If the floor is of wood, steel plates.

'This can also occur from other causes.

J LJ U U -CJ U U U U U

IS

\ AUTOMATIC SPEED CONTROL

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LEVER-AUTOMATIC CYCLE TO TURRET)

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SCREW-INDEX PLATE

1

LEVELING

BLOCK

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CLEANING

The machine must not under any circumstances he

operated before every trace of rust preventative is
completely removed from all bearing surfaces. Prior

to shipment, unpainted parts of the machine are

sprayed with a solution to prevent rust. This solu

tion has the appearance of hard grease, hut it is in
no way a lubricant. It has the characteristics of

varnish and will harden with age.

A thorough washing with rags and kerosene will

readily remove all traces of rust repellant. Rags

should he used for washing because lint saturated

with the preventative will not be left on the surfaces
as will occur if the cleaning is done through use of
cotton waste. A good stiff brush may he used in
places where inaccessable for the use of rags. Never
use an air hose because it will force particles into
hearings.

After cleaning, all hearing surfaces should he

coated with a good grade of lubricating oil.

It is highly advisable to give the machine periodi

cal cleanings after it is in service.

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LEVELING BLOCKS

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PLAN OF

LEVELING AND ALIGNMENT

Each individual face of Foster Fastermatic turrets
is bored and faced to required dimensions after all
precision adjustments are completed during final
assembly of the machine and after inspection. The
boring and facing operations are accomplished by
means of a special precise boring and facing bead
attached temporarily in our shops to the spindle
nose of each machine. Prior to these operations

the bed is precision leveled and the bead is run suf
ficiently long to beat it to regular running temper

i

ature. Thus it is that extreme accuracy is acquired.

It is, therefore, necessary that the Fastermatic must

be installed in your factory paralleled the same as

when bored in our shop, to a most exacting degree
or otherwise there cannot be the same high precision
of alignment between the spindle and turret faces as

when completed at our factory and inaccuracies will

appear with the work produced

An excellent method of checking the alignment

after installation on the foundation is to place a pre

cision level (We suggest a Starret No. 199 or equiv

alent. An ordinary machinist or millwright level

is not sufficiently accurate) on top of the hexagon
turret at right angle to the spindle; then feed the
turret to extreme forward position. Observe the
bubble at this position. Next, return the turret to

LEVELING

FIG-4 •

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BLOCK

indexing position and make a second observation.

If a difference in position of the bubble arises be

tween these two locations of the turret, it indicates
correction in leveling must be made. Leveling blocks
and wedges with screw adjustment as shown in Fig. 4
are provided for such correction.

A more accurate method is to run the machine
until the bead is up to running temperature, then
with a dial indicator mounted on a rigid bar gripped
in the chuck, lake indicator readings directly in the
bole bored in the turret face. The readings will be
incorrect if the bead is not warmed up to running

temperature as was done when the turret was bored.

To make such correction as may be necessary, the

wedges beneath the leg on the rear end of the
machine should be adjusted to where the indicator
reading will remain constant between the turret
bore and spindle during an entire revolution.
a cut is made over a lest bar, the cutter should be

in vertical position over the top. To eliminate any
twist that may occur in the bed, it may be necessary
to make adjustment to the wedges under the bead of
the machine also.

Do not expect the machine to remain permanentl)

leveled, because floors may warp, foundations may

settle, for which reason a periodical check-up with a

precision level will insure accuracy in work and a

much longer life of the machine.

4

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If

LUBRICATION

:

1

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The hearings, gears and dutches of the head stock
are automatically lubricated. Oil under pressure
passes from a pump to a distributor from which in
dividual pipe lines carry the oil to each bearing. The
gears are lubricated in pairs, a pipe line from the
distributor ends at the rear of each pair and sprays
oil against the surfaces where the tooth contact starts,
thus the lubricant is carried between the gears by

the teeth themselves.

Fig. 5 shows a schematic diagram of the pump and

piping arrangement. Oil from this* same source is
employed for automatically dfecting spindle speed
changes which requires a pressure of 75 pounds per
square inch. The overflow from this line passes

through a second regulating valve adjusted to main

tain a pressure of 15 pounds per square inch in the

line to the oil distributor located inside the rear end

wall of the head.

The regelating valves are adjusted at the factory
and if clean oil is used no further regulation should
be required.

I he pump and regulating valve assembly complete
is inside the head end of the bed. directly over the
oil sump. 'I'llis assemblv can be reached through
removal of a plate attached to the rear side of the

bed. Should this plate ever require removal, care
must he exercised in replacement in order that no

leakage will be incurred through faults in the gasket,

such as curled edges or breakage which could be

caused during removal of the plate.

THE OIL TO USE

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

A high grade straight mineral oil of turbine oil
quality with approximately 150 Sec. S. U. viscosity
at 100° F. should be used. This is necessary because
the oil used through the oilgear to supply high pres
sure to the feed lines and that for the pump supply

ing lubricant to the head are obtained from the
same sump.
placed every three to eight months, depending on
on how' much the machine is used. A plug located
in the bed beneath the glass oil gauge is provided
for drainage.

it is imperative that clean containers are used in
carrying the oil for filling and also it should be
poured through the filler cap on top of the oil
gear or through filler cap on the head with use of
a fine screen strainer.

For the tool carrying slides, ways and other parts
under heavy pressure and slow' speeds, the lubricant

to use is a high quality gear lubricant S.A.E. 140.

and should be applied with a pressure gun. Fittings

are provided for use of a grease gun.

For hand oiling and sight feed oilers, use a good

quality of compounded oil approximately 300 Sec.
S. U. Vis. 100 F.

An oil having 500 Sec. Vis. may be used on the
older machines, having oil cups to lubricate cross
slide hearings and ways, and on which a water sol
uble cutting compound is used. The oil should have
sufficient compounding to increase film strength and
have rust preventative properties.

The oil should be removed and re

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75 POUNDS PER SQ INCH TO LINE,

OPERATING CLUTCHES

TO FILTER

15 POUNOS
PER SO IN TO
OIL DISTRIBUT
OR INSIDE THE
HEA0

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FIG 5

5

INLET TO PUMP

OVER-FLOW TO SUMP

G

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THE AMOUNT OF OIL

1

Before starting the machine,
18 gallons of oil of the quality
described in a preceding para
graph must he poured through
the filler cap located on top of
the oilgcar or through filler cap
on top of the head with use of
a fine screened strainer. This
amount will bring the oil level
about midway between the in
dicating points back of the oil
level gauge, as shown in Fit;. 6.

INDICATORS

Q

►

g

►

E§

1

FIG-6.

on how much the machine is run.

Hie oil is drained from these machines before

shipment.

The oil level should never he

higher than tlie upper indicator

3

or allowed to get below the
lower indicator. The latter con
dition will cause failure of the
feeding movement and possibly
extensive damage to the oilgcar
and head stock mechanism. The

oil used in the hydraulic feed

ing system and that for lubrica
tion of the head stock is pump

ed from the same sump—the

latter is located inside the head

end of the bed.

1

A plug located in the lower
left corner of the bed and be
neath the oil gauge may be re

moved to drain out the old oil.
when oil renewal is necessary.
Oil renewal should be made
every 3 to 8 months, depending

THE HEAD STOCK

The number of spindle speeds available with the
2F head is 28. They progress from 31 to 277 R.P.M.
unless other arrangement was made upon special

I

order. The entire range is arranged in seven groups
of four and each group is selectable through a re
spective pair of pick-off gears, five pairs of which
are included with the machine.

The spindle speeds of each group are automati
cally changeable from one to the other at the lime
any one of the faces of the turret is indexed to work
ing position; also a second spindle speed is obtain
able while the tooling is active in feeding across the
work. Figure 7 shows the spindle speed grouping
in relation to the respective pick-off gears, and FlC. 8
gives the location of the latter gears.

In explanation of the gear, clutch and shaft com
binations effecting the four automatic speed changes
of each group reference is made to the diagram of
the gear train plan (Fig. 9). First, your attention is
called to the

fact

that the driver of the pick-off gears

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^CHANGE GEARS]

NO.TEETH

[UPPER LOWER.INO.I&3 NO.

SPINDLE SPEEDS

VALVE DIAL POSITIONS

2 8 3 NO. I 8 4 N0.284J

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DRIVE SHAFT SPEED 1040 R.P.M.

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INTERNATIONAL MACHINE TOOL CORP.

FOSTER DIVISION

ELKHART, INDIANA, U.S.A.

Fig. 7.

is driven from the back shall and also that the pick-
olT gears form the final link in governing the spindle
speed rotation, except that formed through the inter

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mediate shafts and gears in permanent position.

Parts integral with any of the clutches, when the

latter are disengaged, are free to rotate around the
shaft instead of driving it.

The low speed of each group is obtained through
hydraulically disengaging multiple disc clutches ”
and i

B*\

Integral portions of these clutches forming
gears arc free to rotate around their respective shafts
and the load will he carried by the over-running
clutches “C” and “K”.
"D , ‘*F” and ‘’G

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” and \T

speed to the back shaft, which through the pick-oil

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gears give the low spindle speed.

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The second speed is from engagement of multiple

disc clutch *'A ’ in combination: with the

ning clutch “
disc clutch ’TT’ is disengaged, and the

clutch “C” rotates freely on the drive shaft without

imparting driving action,
through gear “G”

for the third speed, multiple disc clutch “B”

gages and acts in combination with the

clutch ‘"C”

disc type clutch "A ’ is disengaged, and the back

shaft over-runs the over-running clutch 4iK’

the gear ”D'
gear which through clutch “B” imparts the third
speed to the hack shaft.

6

, being driven from the drive shaft. The

” become drivers and gears ”EV,

are dr'ven—thus imparting the low

K” driving the hack shaft. Multiple

as a driver, and gear “J” as driven.

’ is the driver and gear “E” is the driven

In this combination, gears

I he load now is carried

over-m li

over-running

over-running

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A"

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The fourth or lop speed is from the engagement

of both multiple disc clutches "A’* and ”

over-running clutches 4’C

imparling no driving action lo their respective shafts.
With ibis combination, gear 4H” becomes a driver
and gear “F” is driven and imparts the load lo the
backsbaft through multiple disc clutch "B”.

” and ”K” over-running and

B*\ and the

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With the exception of the clutch for starting and
stopping, all the multiple disc clutches arc hydraul
ically operated. The over-running clutches carry the
load through the wedging action of rollers between
the driving and driven members. They engage auto
matically fiom the driven member being allowed to
slow down to the rotation of the driving member,
through disengagement of the multiple disc clutch
carried on the same shaft. Speeding up of the shaft
through engagement of the multiple disc clutch auto
matically disengages the over-running clutch on the

same shaft. The spindle brake except on late ma

chines operates hydraulically and in conjunction
with the hand lever for starting and slopping the
machine.

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1040 R PM

OUTER DRIVE

SHAFT.

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f'/MiNNtR-DR'VE

shaft

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OVERRUNNING CLUTCH

3 “

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FRONT END VIEW OF HEAD

SHOWING

1 Fig. 8

PICK

OFF

GEARS

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START AND
STOP CLUTCH

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BACK

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GEAR TRAJN^

PLAN.

FIG-9-

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SPINDLE
BRAKE

SHAFT.

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COUNTER:

SHAFT.

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! PINION .

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PICK

OFF

GEARS

BACK SHAFT GY1 1NDFR

4

DRIVE SHAFT CYLINDER

TO PUMP.

TO SUMp6

X

MASTER VALVE

TO SP1NDLF BRAKE.

PRESSURE

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TO GAUGE

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PRESSURE

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SECTION THRU VALVES

AUTOMATIC SPEED CHANGE VALVES.

TO SUMP.

N,

2

SUMP

75 POUNDS

PER

SQ-

INCH

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TO

SUMP

3

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A

SUMP

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FIG-IO

THE OIL CIRCUIT AND VALVING FOR THE AUTOMATIC SPEED CHANGES

To effect spindle speed changes automatically, tw<^
sets of valves are used, as shown in FlC. 10. The
master valve is of the piston type and is accessible
through removal of the front top cover of the head.
The automatic speed change valves are rotary type.
Both of these valves are connected to the same pipe

line supplying oil under 75 pounds pressure from

the pump previously shown in J'T<;. 5.

The purpose of the automatic speed change valve
is to direct the oil flow for operation of the piston

type valves of the master valve. It has no direct con
nection with the clutch operating cylinders. The
master valve directs oil, to the clutch cylinders; also
it provides ports through which exhaust oil may pass
to the sump. The master valve operates only in re-

> lation to position indexed, to the rotary valves and

these positions are predetermined through the dials
in relation to the tooling on the turret faces when
setting up automatic speed changes.



Fig. 10 shows the valves and pistons positioned for

the release of both multiple disc clutches, to allow
the spindle to he driven at low speed through the
two over-running clutches. 'Flic two multiple disc

clutches only are effected hydraulically.

To obtain the low spindle speed, the dial on the
left hand must he indexed either automatically or
manually to one of the No. 1 positions, and likewise

the right hand dial must he set to one of the No. 3

positions.

8

i

1

Placing the left hand dial Lo the No. 1 position
also indexes the L.H. rotary valve to position where
it will connect llie high pressure supply line with

the pipe line leading to the rear of the lower piston
of the master valve. This piston valve will he forced
forward and connect oil pressure with the pipe line

leading to the inside end of tin* lower clutch cylinder.
The piston in this cylinder will be forced hack and
stopped through contact with the cylinder head and
with this action the multiple disc clutch on the drive
shaft (not the start and stop clutch) is disengaged.
Also, connection is made so that the oil between the
piston and cylinder head will exhaust or he drained

through the No. 2 pipe line from the cylinder hack

through the master valve to the sump. The rotary
valve at this position has also connected the No. 2

pipe line leading from the master valve to the sump,

thus permitting oil to he exhausted from the front
of the piston valve as it moves forward.

Setting the dial on the right hand side, to the No-

position, connects the pressure line with port No. 3
of the master valve and causes the upper piston to he

forced against the head of the upper cylinder, through

which action the multiple disc clutch on the hack
shaft is disengaged. Exhaust oil returns through

pipe line from port No. 1 of the upper cylinder back

through the master valve to the sump as shown. The
exhaust oil from in front of the upper piston valve

passes hack through port No. 1 of the rotary valve
to the sump.

Each indexing movement automatically imparted
to either rotary valve turns it one-eighth of a revolu
tion and with a little study of Fig. 10 the oil circuit

can readily he determined for positioning the pistons

in the clutch cylinders for engaging either or both

of the multiple disc clutches.

Since each valve is lapped into place in its own re
spective sleeve, it is absolutely necessary that each
individual valve he replaced in the same sleeve from
which it was removed.

I’he automatic speed change valve may he removed
as a unit from the head, through removal of the four
screws holding it in place. In replacement, care must
he taken for assurance that the gasket on the inner
end is correctly in place; otherwise, it will cover the
openings leading to the ports, preventing the oil
flow. NEVER use abrasives for cleaning.

3

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FOSTER

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TO

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ROTATION

APSliSK* L

POSITION

STOP

SPiNCLE

AND

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ft

I he valves are practically trouble proof; however,
if the machine has been idle for a prolonged period
the oil coating inside the valve bodies may have be

come gummy or it may have formed a solidified coal

ing inside the master valve and prevent their move

ment from the pressure applied.

To

remedy this in such cases, it will he necessary
lo remove the front cover from the top of the head,
then remove the two end caps from the master valve

after which the piston valves may he removed. One
should he removed, then both the valve and sleeve
I rom which it is removed should be thoroughly
cleaned with kerosene, and the valve replaced. The
second valve must be cleaned likewise, and replaced.

DIAGRAM ShQAING POSITION O




STARTING AND STOPPING



F LEVER FOR STARTING ASP STC5? VG Vl'x S;

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THE MACHINE

Fig. 11 illustrates the lever positions for starting

and stopping the machine. The brake is hydrauli
cally operated; however, on the late model machines
the hydraulic brake has been replaced by a multiple
disc type. Both types of these brakes are fully de
scribed later.

9

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1040 R.R M. _

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A

OVER-RUNNING CLUTCH-

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START AND STOP CLUTCH.

THE DRIVE SHAFT FIG-12.

THE DRIVE SHAFT

The drive shaft is made in two parts. They are:

the outer shaft and the inner shaft. The outer shaft
carries the drive pulley and also forms the driving
member of the multiple disc clutch which is oper
ated from the lever for starting and stopping the
machine. This lever is shown in Fig. 11.

P

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Q

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1

MULTIPLE DISC CLUTCH
AUTOMATICALLY OPERATED
FROM THE LOWER CYLINDER
IN END OF HEAD

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The inner shaft carries the driven member of the

start and stop clutch; also it carries one of the over

running clutches and one of the multiple disc
clutches. The latter two clutches operate automati
cally in combination with those of the back shaft to
effect automatic spindle speed changes.

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THE BACK SHAFT.

THE BACK SHAFT

'flic back shaft is the first shaft driven from the
drive shaft. It carries one over-running clutch and.
one multiple disc clutch and drives the driven mem
ber of the pick-oil gears. The clutches carried on
the back shaft operate automatically in combination
with those on the inner drive shaft. Through com
binations with these clutches four speeds are avail

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■:

MULTIPLE DISC

c==:l CLUTCH AUTOMATIC

ALLY OPERATED.

able to the back shaft from which these speeds are
transmitted to the spindle. Thus it is that the spin

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dle speeds are arranged in groups of four and that
each group is determined by pick-olT gears combined

in pairs. The automatic action Lo the multiple disc

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clutches is explained previously with the oil circuit

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and Fig. 10.

10

FIG-13-

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- OVER-RUN"

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NING CLUTCH.

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#

TO REMOVE DRIVE SHAFT

First disengage the automatically operated mul

tiple disc clutches, one of which is on the drive shaft
and tin* other on the hack shaft. To do this requires
setting the right hand dial to a No. 3 position and

1
'

i

the left hand dial to a No. 1 position (see Fig. 10).

While doing this, the motor must he running, to

provide oil pressure for actuating the pistons in the
clutch cylinders. Next remove the screws holding
retainer plates A & D. then remove the two small
round"Covers—one above and the other beneath shall

I hose are on the rear front corners of the head.

B.

The shaft B must he driven clear of the lever C. The
large cover plate on the hack of the head is next re
moved. This will require removal of some of the
coolant piping. I hen, after removal of the caps over
hearings E & F, the set screw securing the shifter
yoke to the shaft must he removed. Now the shaft
complete with the shifter yoke can he carried back
and out. Care should he taken to prevent the outer
drive shall from slipping off the end of the inner
shaft after removal from the hearing scats. On re
assembly. he sure that the spacer washers on the shaft

B are properly inserted and also that all surfaces are
clean. Any oil piping disturbed should he placed
in the same identical positions it was before removal.

TO REMOVE THE BACK SHAFT

To remove the hack shaft, first remove the drive
shaft: the proceed lire for this is given in the para
graph proceeding. Also, it requires removal of the
motor and cover plate beneath it. After this pro-

ccedure, some of the oil piping must he removed,

then remove the pick-ofT gear L. also spring J and

spacer K. Retainers II and M must be released

through removal of the holding screws. Next, dis

connect piston rod Q from the shifter rod T. Re

move the screws from the flange of cylinder P. The

cylinder can be taken out if desired, hut the piping

will permit moving the cylinder far enough hack for

getting at tlifc end of the shaft. After removal of the
hearing B. drive the shaft forward far as possible,

I

I

which can he only a slight amount: this will force a

small portion of ihe bearing S out of the head.

Force the shaft hack again, and remove the hearing S

from prying or drifting from the inner side. After

the hearing is removed from the shaft the latter can

he hacked up and lifted in an angular position out

through the top of the head. On reassembly, be sure
that all pipe line openings are in the same position

as they were before removal.





Cve 0|->.%'NC

THE OVER-RUNNING CLUTCHES



I wo over-running clutches are used in effecting
the four automatic spindle speeds of each group. In
the description of the head and diagram (Fig. 9

full explanation of how combinations with each other
and their combinations with other clutches affect
spindle speeds. Also the location of these clutches
is showni. Both over-running clutches are identical

in construction and design.






For explanation of the construction of these

clutches, see Fig. I k ^Part ”

is ground and lapped cylindrical on the inside. The

sleeve ’
cams and is keyed to the shaft. A roll like *'D** is
supported on top of each of these cams by means of
a retainer and when the clutch is disengaged, through
the shaft rotating faster than the ring *'C *. each roll
retains contact between the cam on which it rides,

and the internal portion of the ring "B’* by means
of the plunger **E
pressure. Either of the parts **B’* or **C*' can he

utilized as a driver, or either may become the driven
member. \\ hen the clutch engages, the driver im

parts a wedging action through each of the twelve

rolls to the driven member.

*C is an integral part of a series of twelve

*' supported with a light /spring

B" attached to gear

No adjustments are required for the over-running

clutch, but failure of its operation could be incurred

through breakage of retainer, rolls, or tbj spring

plunger or from wear on the cams, or of indentures
forming in the driver. Failure of instant response

CluTCH

i" r

iJPir

1, a



11

{■

in imparting the slow speed through action of this

clutch will he caused through the discrepancies men

tioned. However, since the clutch is proportioned
to carry many times the load ordinarily imposed,
it is well to look for broken or leaky oil lines which
may prevent the multiple disc clutches from releas
ing and allowing the over-running clutch to pick up
the load at slower speed.

This clutch rarely, if ever, gives trouble. To re

move the clutch for disassembly requires removal of

the back shaft and also the removal of the clutch

from the shaft.

TO ADJUST THE DRIVE

SHAFT CLUTCH



N

M





\

u

ill

•A-

v\ \x\

_______

SHOWN IN RELEASED POSITION

' \ X

X X X

I

V

77 7

^llip

u

num

DRIVE CLUTCH ASSEMBLY. FIG-16

; •
;

Sec Fic. 15

Remove the round plate located on the rear side
of the head. This plate is located at the right hand
end, and shows a diagram of the clutch. Rotate the
clutch until the pin "D"
outward until it releases the retaining washer "E",

then the threaded nut "F * must he turned clockwise
and move the wedge "G
wedge "G* now will be closer to the roll *'l:l
when the closing ring “
for engagement of the clutch, the discs will be com

pressed with greater pressure than before. The ad
justment must he sufficient to require a slight pull
on the starting lever for engaging the clutch, but

never enough to prevent passage of the closing ring
”Kr

' over the roll. After adjustment is completed,

the pin "F" must be reinserted in the retainer "E"
and the cover replaced.

If there is evidence of clutch slippage after adjust
ment to the drive clutch, the middle hand cover and
the one located on the left hand end of the back of
the head should he removed and the disc type
clutches for effecting automatic speed changes in

spected. Instruction for adjusting these clutches is
given later.

’ is accessible. Pull this pin

v toward the roll "IT’. The

' and

K" passes over the roll “

H"

TO DISASSEMBLE THE DRIVE SHAFT

MULTIPLE DISC CLUTCH








First remove the drive shaft then pull the driver

oil the large diameter discs. The driver is in one

piece with the outer shaft. If the driven member
complete with operating mechanism requires re
moval, the collar "K" must be moved hack and the
set screw *'L*

the collar "K". After removal of this screw, the

entire unit may he pressed or driven olf the shaft.

For removal of the discs, first remove the snap ring

"M , then slip the retainer plate “N’* oft' the sleeve

and the discs will slide freely from the spiined sleeve.

In replacing the discs, first be sure they are clean.
As a precaution it is well to clean each disc, regard
less of whether it is old or new, with kerosene before
making the assembly. With this clutch, there are
seven large discs which are drivers and six smaller
ones which are driven. In assembling, a large disc
will go first, followed with a smaller one. Continue

this alternation of large and small discs until the
assembly is completed, ending with one of the larger
discs. When the assembly is correct a large disc will
he at the outer end, and the total number of discs

will be 13, or 7 large and 6 smaller. The replace
ment of discs does not require removal of the spiined
sleeve from tin.* shaft.

‘ removed. This screw is covered by

See Fig. 15

r







#

I

12

seconds for building pressure from the pump for the

releasing action. After again stopping the motor,
loosen the binder screw' (do not take it out) in the
collar "D”, then turn the collar clockwnse on the
shaft until it has advanced toward the springs ”C*’

&

-A

: V

AUTOMATICALLY OPERATED

MULTIPLE DISC CLUTCH ON

FIG 16 DRIVE SHAFT

MULTIPLE DISC CLUTCH ON BACK

SHAFT AUTOMATICALLY OPERATED

D

iih

IZZZz

CvWWWi

czzz

THE AUTOMATICALLY CONTROLLED

MULTIPLE DISC CLUTCHES AND

THEIR ADJUSTMENT

F

igs

. 16 and 16-A show the twro automatically con

trolled multiple disc clutches used in effecting the
automatic spindle speed changes. These are adjust
able.

When the adjustment to either of these clutches is

correct the lop *" V

be even with the side “
clutch is engaged.

To adjust the automatically controlled clutch on
the drive shaft (Fig. 16), first it should be engaged
through setting the L.M. dial to position 2 and the
R.I1. dial to position 4; the motor must be running

while doing this so that there will be oil pressure to
operate the clutch. After stopping the motor, re

move L.H. round cover plate from the back of the
head; then observe or measure how far the surface

"A.

” is below
ihe collar ‘*0” will have to be moved forward toward
the springs "C”. Next, release the clutch by setting
the R.H. dial to position 3 and the L.H. dial to posi

■t

tion 1, then start the motor, allowing it to run several

'/////////;

See F

igs

. 16 and 16-A

” of the pin "E" (see Fig. 16) will

B** of the collar ”

r the surface 4iB”

; this shows how far

55

o

D* when the

ecjual to the measurement taken between "A" and
"B** while the clutches were engaged. Several at
tempts may be necessary before the surface "A" will
be even with the surface "B*
engaged, but it is well to bring these surfaces even
with, each other accurately. After the adjustment is
completed, tighten the binder screw in collar "D**
and replace the cover plate. Do not attempt adjust
ment of collar ”D” while the motor is running.

Procedure for adjustment of the multiple disc

clutch on the back shaft (Fig. 16-

that outlined for Fig. 16, except that it is accessible
through the middle cover plate on the back of the

head.

When renewal of discs is required, it is necessary

to remove the shaft on which the clutch having the

defective discs is located. If on the inner drive shaft,

the shaft will require disassembling. Disc can be
renewed without stripping the shaft. A little study

of F

igs

. 16 and 16-

ble either shaft. The snap ring ”F” must in each
instance be removed, so that the plate *’G* can be
removed.









The clutch on the inner drive shaft carries 8 discs
and that on the back shaft 10 discs. When assem
bling new discs, first enter a large one into the outer
shell of the clutch; follow this with a smaller disc.
Continue with the large and small discs until the cor
rect number already mentioned is completed. W ash
the discs, whether new or old. with kerosene before
assembling.

If the discs are correctly inserted, a small disc will
always be next to the plate *’G*\ \\ hether discs are
new or old they should be worked with kerosene be
fore replacing in the clutch.

Which

clutch to adjust is determined as follows:

assuming the drive clutch is properly adjusted, then:

If clutch slipping is evident with the second speed
of any one of the groups of four, it will be the clutch
on the inner drive shaft. ( Show n in Fig. 16.
such occurrence is on the third speed, then adjust
ment must be made to the multiple disc clutch on the
back shaft, shown in Fig. 16-A: when slipping occurs
on the top speed, both multiple disc clutches shown
in Fics. 16 and 16-A should be adjusted. It is well
also to be sure no leaks appear in the oil lines.

If there is slipping on low speed then it can come
only from the start and stop clutch on the drive shaft
show'n in Fig. 15, or through faulty oil pressure.

A will enable anyone to disassem

’ when the clutches are

A) is identical with













i If



13

‘

i

SPINDLE BRAKE

TO BRAKF CYLIN

\

\

DER

PRESSURE LINE

i

n

N

\ L

?y

L

, •

x

DRAIN

FIG-17.

THE SPINDLE BRAKE

The spindle brake is engaged hydraulically and
released through action of a spring. Actuation of
the brake is controlled through movement of the
lever for starting and stopping the machine.

The construction and method of operation of the
brake is as follows (see Fig. 17) : The two shoes "A
and ”

B" each carry a soft metal liner. lfcC” is a cylin
drical sleeve keyed to the spindle. The cylinder "D'
rests against the shoe '*B * and slides freely over the
piston rod '*E*\ This rod is linked to the shoe "A
by means of the pin ”FV
the piston "H"\ In the sectional view of the valve

(Fig. 17), pipe 4

line from the oil pump. This same pipe is shown as

■'K*

’ in the assembly diagram. Pipe “
the valve to the cylinder i*D” and enters oil between
the cylinder head and the piston 4iH”

’K"* is a continuation of the pressure

, also the rod is secured to

L " leads from

.

turn the valve ”

brake, when the start and stop lever is

moved to position for starting. The

spring “G” releases the shoes from brak

ing action. The exhaust oil passes back
through the pipe “
in the valve. The brake and valve arc
accessible through removal of the front
head cover.

Fig. 17-

type spindle brake which is applied to
the back shaft and is installed in i£2F

machines of present manufacture.

This brake is a simple multiple disc

clutch. The member 4iA” supporting

the small discs is keyed to the back

shaft. The part “

discs, is rigidly bolted in place to a

supporting wall inside the head, and

does not rotate. The braking action is
effected through compressing the discs

together by means of the cam
which is pivoted to two arms projecting from the
stationary member ”
“

”


’

F operates with the movements of the lever for
starting and stopping the machine. When the start
ing lever is moved to position for stopping, the shaft

“F“ rocks the lever ”

of the adjusting screw "L)
swings against the compression plate *G*' and com
presses the discs.

A shows the new multiple disc

B'\ Through a link, the shaft

E*' forward and through contact

0" for releasing the

L” to the drain port

B" carrying the larger

“ in the cam ”C’

”

•C

\ the latter



r



r



When the starting lever is moved to position for
stopping the machine, link “AI” contacts the valve
stem “N” and forces the valve “
opens the port leading to the; pipe ”
oil under pressure is free to enter the pipe 4'E” from
the supply pipe line “
enters between the piston and ‘
forces them apart. This action squeezes the shoes
"A.

” and 44B” around the sleeve attached to the spin
dle and imparts braking action until the lever is re-
posilioncd for starting the machine. The link 44
is operated from the start and stop lever, and is
shown in position for allowing the spring 44P” to rc-

K.*\ The oil I rum pipe "E '

O'* rearward and

E\ Thus, the

cylinder head, and

jYI



brake

:

assembly fig-i7a

-V-

-

jj

m

”

14

N

S

Adjustment to this brake is through the screw 4,D’
and requires removal of the front cover plate from
the top of the head. To remove the brake requires
removal of the hack cover plate from the top of the
head; then disconnect the piston rod, and remove the
cylinder from the head, also such piping as may in

terfere. Removal of part "IT

or replacement of discs.

’ will permit the removal

COUNTRSHAFT

PINION SHAFT

K^<C] A

/

M

Tf-

*

STL

i==

____-j—

-

COUNTERSHAFT AND PINION SHAFT ASSEMBLY

the countershaft outer bearing/uid retainer plate "A

’

utfcy he removed through forcing it out through the
front side of the head. The outer bearing will he
forced out with the shaft. Jf the inner hearing does
not come with the shaft, il can be removed by means

of a puller, forcing toward tin; front of the head.



If oil piping has been removed, it should he re
placed in identical position as it was before removal.

TO REMOVE THE

PINION SHAFT

(See Fig. 18

I he pinion shaft removal requires
removing both covers from the top
oi the head. The screw ”

he removed from the hearing retainer

•Iv\
moved after the nuv "F‘? and washer
"G
may now he forced out through the
pinion "_\F* and out through the
front side of the head: the bearing
retainer "K

the shaft. After being well started
out, the hearing retainer "K" should
he removed from tin* shaft, other

wise it may fall to the floor. If the
inside hearing must he removed, it
may be extracted with a puller plac
ed on the front side of the head. On
re-assembly, all oil piping which may

have been disturbed must he relo
cated in original position; also eare
must he taken to properly enter the

key in the pinion **M”.

Gear "H*' must also be re

“ have been removed. The shaft

“ will he forced out with

J

_

xfi

B

3-1

j

m

:s=

FIG 1

V

:

8-

)

L * must

”











TO REMOVE THE COUNTERSHAFT

To remove the countershaft (See Fig. 18) requires

the removal of both covers from the lop of the
head; then remove the nut “C” and the retainer
washer 4’D”, also gear ”E’
gear 44B” and screws from the retainer plate “A”
Then, through the opening in the top of the head

*

\ Also remove the pick-off

HIGH SPEED GEARS

.

Unless otherwise ordered the spindle speeds avail
able to the user of the 2f .Machine will he from IT
to 277 R.P.M.; also drive gear "E" on the counter

shaft will have 19 teeth and the driven gear "IT* on
the pinion shaft will have 17 teeth. Higher spindle
speeds can he incorporated in the head at any time,

15





/

/

' .

through replacement of gears "IV' and 4
others furnished on special order. A gear having

38 teeth—8P will have the maximum diameter that

be used for replacement of the gear UE” on the

can

countershaft. The standard 19 and 47-tooth gears
*T1

” and “
to the other because the gear “H” is too large and
will interfere with the hack shaft. Removal of the

front cover from the top of the head, will enable

the mechanic to remove the nuts 4‘C

gears
higher speed range.

X

E" cannot he transposed from one shaft

**E

B

” and 4

. \

TF\ and then substitute those for

c

Mm-

-i

rv^

A.

____

*E", with

?’ and 4*F” and

x V \ v V \ v ^ V

TO TAKE UP THE SPINDLE BEARINGS

First loosen hinder screw 44AV enough to allow the
adjusting collar ”13” to he turned on the spindle (do
not remove the screw 4*A”
wrench or pin, lighten collar "B" againsL the spacer
*‘C\
revolutions with power, then stopped and the collar
"C
cycle several times until a slight tension exists be
tween the hearings, then tighten the hinder screw
44A” and the adjustment is completed.

Pile spindle should now be rotated several

” tightened another slight amount. Repeat this

See Fu,r 19

) : then with a spanner

r



.

-

h

A

r

Fic. 19

TO REMOVE SPINDLE

(See Fig. 19)

1st—Remove the front and rear cover plates from

the top of the head.

i

i

}

2nd—Remove the three screws 4'E”

cessible through holes 44F” in spindle flange.

3rd—Remove the countershaft.
4th

—

Remove set screw “G”

5th—Place a wood block beneath gear “H” that
will just pass between the bottom of the gear and
inside bottom of the head.

6th—Remove the adjusting nut 44B”

block of wood or lead hammer the spindle may be

driven forward until past the key in Gear II after
which it may be slipped out of the head.

The outer bearing races may be extracted with a

puller. Before extracting the outer race of the rear

bearing it is necessary to remove the cap “K”

.

: these are ac

, then with a

.

REMOVAL OF OUTER BEARING RACES

The outer hearing races arc Hanged and arc lightly

pressed in place with the flange stopped against a

shoulder machined in the bearing housing (See Fig.

19). To remove the outer race a puller should be



used, however, where this is not available removal
may be made from driving with a soft brass driver.
When driven, the driver must be used against various
places around the circumference of the bearing other
wise a cocking action will he affected and the hearing

housing damaged.

On re-assembly, he sure that all surfaces contact
ing each other are absolutely clean and before pull
ing or driving back in place, these surfaces should
be given either a light coat of white lead and oil or
well oiled to eliminate the risk from galling. In
putting the bearing race to place, be sure that the
flange is against the shoulder of the housing over

the entire circumference, for if it is otherwise the

spindle will become loose almost immediately after

the machine is placed in service.






0

16

t

THE
THERMALIGN
UNIT

The Therinalign Unit
is a temperature regu
lating device adjustable

f

<

to the maxi in mu tem |>-
crature rise oceuring in
the head from running.
After once adjusted, the

therinalign unit will

automatically maintain

this temperature in the

mass of metal beneath

the spindle hearings

while the machine is
stopped, providing the
electrical current is not
switched ofl’. To derive

the benefits for which

this device is intended,

the electrical current
should he left turned on
continuously while the machine is idle over night or
over week-ends or anv other time the machine is
inoperative.
maticallv

turn the electrical current on and oil as is needed.

Fuslerinalic turrets are bored-and faced after the

machine has been run sufficiently long to develop the
average temperature from running. The increase in

temperature to the mass of metal beneath the spindle

hearings causes it to expand and raise the spindle
slightly. The Therinalign Unit, if not switched ofl'.
will maintain this temperature under the spindle
hearings constantly and no further temperature rise
will occur from running. Thus, the position of the
spindle and turret faces will remain in the same

identical relation with each other as when finished
in our
machine already warmed up from the therinalign unit,

can he no further temperature rise.

shop. When tooling is set up for work and the

there will he no inaccuracies to the work through

heat from running raising the spindle because there

A switch contained in the unit, auto-

controlled by temperature fluctuation, will



HEATERS

10 AMP

FUSE

BULB

Q

G

:

?

m

K

I

THE THERMALIGN UNIT FIG-20-

TO ADJUST THE THERMALIGN UNIT

See Fig. 2(

When the machine is set up for a job on which it

will remain indefinitely, the following method of

calibration is recommended:

The machine should he brought to a running
temperature by operating it in a normal way for
from 2Y2 to 3 hours on the work for which it was

set

up

to

do. During this time the therinalign must
he inoperative with the indicator set to the zero
reading on the graduated scale, also the electrical
current must be turned off after the above pro
cedure. The cover of the Thermostats — see Fig.

20 — should he removed and the adjusting knob

“K” turned in such manner the lever ’T’ snaps
into contact, which is the opposite position as
shown in the photo. The adjusting knob
then turned a small amount in the opposite direc
tion until the lever “I” is approximately half way
between open and closed position. The electrical

current must now he turned on and

The cover of tin* thermostats should then he re

placed.

For machines that must cover a number

the spindle must he operated at a number of different

speeds on the various jobs, the thermostats should be

set as described above, selecting the job that runs at
the highest spindle speed to he used in calibrating
the thermostats.

j

left turned on.



is



of jobs and



17

tv ■

■*

. .i •

1

i

THERMALIGN TRANSFORMER

For the Thermalign Unit, one JefTerson Electric.
Company's double-wound transformer with primary
to suit operating voltage and cycle and with 110 volt

secondary having 750 watts capacity, catalog 235-561

or equivalent is required. This unit must he hooked
ahead of the main disconnect switch so that there
will he a continuous supply of current to the therm
ostat. A 10 amp. fuse should he in the circuit.

REMOVAL OF THE HEATER UNIT

^CHANGE GEARS!

NO.TEETH

[UPPER LOWER.! NO. I 8>3 NO. 2 8 3 NO. 184 N0.2 8 4J



DRIVE SHAFT SPEED 1040 R.P.M.

SPINDLE SPEEDS

VALVE DIAL POSITIONS

3 I
38

46
55
66

79

9 4

50

6 I

74

88

I

06

126
151

V,

I

92
I 12

135

162

193
23 I
277

r

AND THERMAL BULB

Should it he necessary to remove one or both of
the heater units, first disconnect the wiring from the
automatic switch. Also the wires must be separated
at the junction "G*\ The removal then of the con
nections
pulled out. Two healers, as shown in Fig. 20, are
under the front hearing and two are under the rear

hearing.

1

. i

he removed from the switch box, then the removal

of connection **D
out. In replacing, be sure that connections ’

and ‘‘F * are sufficiently tight to prevent oil or collant

seeping into the cavities.

SETTING UP THE AUTOMATIC

and *’F

To remove the bulb: the bellows t4

“ will permit the heaters to be

“ will permit the bulb to be pulled

Q” must first

*D*

SPINDLE SPEED CHANGE

See Fig. 22

On the sel-up to change spindle speeds automati

cally, operators will be concerned only with the two
dials A and B and the placing of the posts like at
"C

'

in

the tee slots of the six-sided drum ‘‘
placed in the outer tee slots index the L.H. dial A;
those placed on the inner tee slot index the R.Il. dial
B. The drum "D
the indexing movements of the turret.

The L. H. dial A controls the action of the mul

tiple disc clutch on the drive shaft (not the start and

stop clutch >. This dial when rotated to either of the
four No. 1 positions disengages the clutch, and when

turned to any of the No. 2 positions the clutch en

gages. The R.H. dial B controls the multiple disc
clutch on the hack shaft. This dial when turned to
any of the No. 3 positions will disengage the clutch
and any No. 4 position will cause engagement. The

” is timed to index in relation to

D*\ Posts

. ”

E *

INTERNATIONAL MACHINE TOOL CORP.

x



FOSTER DIVISION

ELKHART, INDIANA, U.S.A.

Fig. 21

dials may be turned backward or forward by hand
or in the direction indicated automatically. Fig. 10
and the description of the oil circuit and valving
gives further explanation.

Before setting up the automatic speed change,

mounL the tooling required on the turret faces and
cross slides in proper sequence; also mount the leed
cams in place, then after adjustment of the cutters,
several pieces of the work to he done should he ma
chined.- In doing this the spindle speeds may he
changed through turning the dials by hand; thus,

the spindle speeds may be determined, or if these



speeds have already been calculated and given on a

route sheet, this trial will determine whether such
speeds arc correct.





For explanation of actual selling up, the automatic
speed changes, assume that a job requires tooling on
four faces of the turret and that it starts with 17

H.P.M., for the first face of the turret, 31 R.P.M. on
the second. 50 R.P.M. on the 3rd and 92 lor the 4th.

These speeds arc from combination of the 29- and 61-

looth pick-off gears as shown on the top line of the

speed plate (Fig. 21).

The procedure is:—index the tooling on the 1st
face of the turret to working position, then turn the

L.II. dial to position No. 1 by hand, and likewise turn
the JR.If. dial to position No. 3 as shown by Fig. 22;
the spindle will now start 17 R.P.M. When the

/

r



- T

is

turret indexes after completion of the 1st
operation the face “E” of the drum “
also be indexed, to the position shown at “F”.
Above the “31” on the speed plate it shows
the L.H. dial must he rotated to position No.
2, the K.II. dial remains at No. 3; thus, only

tlie Li.Il. dial will he changed. All that is
necessary to do this is to insert one of the

I

posts like at “C” in the outer tec slot as
shown. It should he inserted far enough back
on the drum so that it passes under and turns
the ratchet "G
forward under rapid traverse, thus giving
time for the clutch to he thoroughly engaged.

,? while the drum is proccding

D” will

I he dial positions to obtain 50 R.P.M. for

the 3rd station is shown on the speed plate

to he 1 and 4. For ibis speed, both dials
must he rotated. The side “K” of the drum
”

D" will now lie located at **F
will he inserted as shown. These will contact
both ratchets “H” and ”G *.

The dial positions for 92 R.P.M. are

shown to he 2 and 4. For this, the L.H. dial

must he again moved to position No. 2: the
dial on the right remains unchanged,
post "N
tee slot.

dials to positions 1 and 3 for changing the spindle
speed hack to 17 R.P.M. for starting work on the next
part.

” is placed and secured in the outer

I'he posts “0” and “P” arc added to reset both

N

ote

: Automatic speed changes can be made while

” and two posts

The

FIG 22

the tools are being fed across the work if desired.

If there should he failure of the spindle speed to
change in relation to the positions indicated by the
dials, it can be caused by broken oil lines, dirt in the

rotary or master valves or impaired clutches.

0

i

f

19

p

r

PRESSURE LIN

from air supply

\

L -HH

ry

.

/

A

EXHAUST

/

/

,

[

V

1

•S

CHANGE CONTROL OPERATED AUTOMATICALLY FROM THE CROSS FACING ATTACHMENT

DIAGRAMATICAL VIEW OF REMOTE SPEED AND FEED

FIG-22-A-

THE AUTOMATIC SPEED AND FEED CHANGE OPERATED

FROM THE TURRET CROSS FACING ATTACHMENT

Sec

F

ig

. 22-A

This attachment is air-operated and is not fur

nished as a pari of regular equipment supplied with

the machine, and many machines are in operation
without it. The spindle speed change is made through
indexing the dials "A" from movement of the piston
in the cylinder 44

ing position when the air is released by means of a
spring. The feed change is effected through move
ment of piston **E
is that air forces the piston 4iEr

through contact of the adjusting collar "*C

face of the lug projecting from the cylinder head.
This movement also moves the lever controlling the

oil volume coming from the Oilgear to the cylinder
operating the facing attachment. The amount the
feed will he decerased is adjustable through the col

lar “C”

the cylinder, the greater the reduction in feed, when
changed.

which is operated as follows: The lever "L" moves

. The farther this collar is moved away from

The air supply is controlled from the valve "V”,

J'\ The piston is returned to start

” in cylinder “

B . The action here
* hack until stopped

,? with the



to position "M", when imparting feeding movement
to the facing slide. With this movement, the cam

■'ll’' attached to the lever is carried along, and
through contacting the roll ”N’’
downward and unlatches the lever 14



spring ”
exhaust port and opens port 44 F”, thus permitting



free passage of the air into pipe line "G" through
which the air is carried to the cylinders ”
to effect the speed and feed change.

speed change at almost any time during the feeding
movement of the facing slide.

through lack of air pressure, broken springs, slipping



of cam "H”

der *'J ' may be stuck.

to work where surfaces finished from tooling on the
turret facing head end with a forming operation.

\V" instantly lifts the valve "V”, closing the

The

cam "IT* can be adjusted to effect the feed and

Failure

The use of this attachment is generally confined

of the feed change to respond can he caused

, or posts in the bar operated from cylin

zF

, forces the lever **()"*

K” at "R’\ The

B"* and



r

20

ip

SECTION THROUGH

THE COOLANT DISTRIBUTOR

&

.

SUPPLY LINE

I

5

l

$

I

,*

■1

© 0

p

F

"B", when moved forward with the turret,

cam

The

contacts and opens the valve "P" for passing coolant
to the distributor head.

The construction of the distributor head i> as fol

lows: C is a sleeve through which the coolant enters.
This sleeve through being attached to the piping
does not revolve. The inner bushing "II is keyed

to the bottom of the sleeve "C . 1 he bushing "H
has only one opening and it is directly over the open

ing “J” of the sleeve "C
coolant supply; also this opening is toward the face
of the turret indexed to working positions.

file sleeve "F" carried in the body **I.)** is driven

from the pin *’G*\ and forms a bearing around the

hushing fc

i

‘‘E" is provided for each face of the turret. As each

face of the Lurret is indexed to working positions,

the opening through ”

that face is indexed over the opening "J

the coolant supply which then is free to flow through

the individual pipe line, like at K, to the tooling.

Pipe lines or metallic hose, like at ltK” must be

TT\ An opening like shown, plugged at

W

/

'B

A

THE COOLANT SYSTEM FIG 22-Q-

TO SHUT OFF VALVE

THE COOLANT SYSTEM

” and thus is open to the

D" and k

*F" corresponding to

” leading to

□ □ □ □

See

Fig. 22-B





employed for each face of the turret carrying tooling
requiring coolant. It is general practice to use a
shut-off valve in each individual coolant line, so that
for faces of the turret not needing coolant, the indi
vidual line can be shut off. otherwise the hole should

he plugged like at "G"\

be disconnected, by sliding the coupling "L*" oppo
site the driver "M*\ Coolant distribution to the
cross slide does not require explanation.

tooling, turn the screw

to decrease ii.

lines becomes out of time, the trouble no doubt will

he from the hushing ”F” sticking around the bushing
"H*' and that pin "G*

ing order will require disassembly of the distributor

"C“. Sluggish flow can be caused by sediment clog

ging the screen in the bottom of strainer "O *: also

it can be caused by the screw

against the spring holding the overflow valve.

J®

When jobs do uoL require coolant, the pump should

To increase the pressure of the coolant flow to the

In case the coolant flow from the individual pipe

TO SUMP

o

/

upward, and downward

? is sheared. To place in work

being set too loose









21

VARIABLE DELIVERY

FEED PUMP

REVERSE

CYLINDER

MAXIMUM

FEED VOLUM

CARRIAGE

MINIMUM

E

feed volum

n

e

:

(f

FORWARD

OIL GEAR

FLUID POWER FEEDS

RAPID TRAVERSE FORWARD

FLUID CODE

+ ** SUCTION

• BACK PRESSURE

—

RAPID

-•--EXHAUST a DRAIN

TRAVERSE PRESSURE

r

if

i -a

I

.
!

M

RAPID TRAVERSE

GcAR PUMP

LONGITUDINAL FEEDING MOVEMENTS TO THE TURRET

The longitudinal movements to the turret are ef
fected from the oilgear. The oilgear is a self-con
tained unit from which a gear pump supplies the
large volume of oil under a medium pressure for

the rapid traverse movements of the turret forward

and return. The oilgear also contains a reciprocating

pump having five small pistons carried in a rotating
disc, from which a smaller volume of oil under high
pressure is utilized to effect the feeding movements
and also assists slightly on rapid traversal movements.
The feeding rate is governed by the volume delivered
to the turret cylinder from the reciprocating pump.
Through a mechanism controlled automatically from

RAPID TRAVER

FORWARD

I I I

H P RELIEF VALVE

FEED RETURN

RESISTANCE VALVE

BACK PRESSU

RELIEF VALVES

COURTESY

THE OIL GEAR COMPANY

MILWAUKEE WISCONSIN

cams and linkage acting together with the turret



movements the stroke of the piston in the recipro



cating pump may he varied automatically and the
oil discharge will vary in proportion with the stroke
applied.

Through courtesy of the Oilgear Company,, of Mil
waukee, Wisconsin, we arc enabled to print diagram
matical sections illustrating the oil circuits and how

they are controlled inside the oilgear. Since the oil-
gear is not manufactured by the International Ma
chine Tool Corporation, we leave the service work,
when required for it, to men from the Oilgear Com

pany. When replacement parts are required for the

OF

SE

RE

r










0

.

I

22

REVERSE

CARRIAGE

FORWARD —

7/^//{'//

///////////////V/f/./ //////

^^\

pj

’ A ;

-

B2M

I

OIL GEAR

ELUiD_P.OWE.R_FELEJ)S

FEED FORWARD

FLUID CODE

- - SUCTION
BACKPRESSURE

*//«

FEED PRESSURE

• •• 'FEED RESISTANCE PRESSURE

^ EXHAUST a DRAIN

FEED FORWARD

AANrtri

-O-}-

■s<

. '

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’

)

VARIABLE DELIVERY

FEED PUMP

//////Z////////////////777/7///7777,

CYLINDER

MAXIMUM

FEED VOLUME

FEED VOLUME

MINIMUM

ft

f/

m

• - j c-

H P RELIEF VALVE

F

EED RETURN

RAPID TRAVE

. -OXAR.PUMP. -

RAPID TRAVERSE

R

ELIEF VALVES

oilgear they should he ordered direct from the Oil-
gear Company.

The cylinder shown in the oilgear diagrams (Flos.

23 and 24, 25 and 27) are not ported exactly like the

Fastar malic turret cylinder, hut the principle applied

is identical.

The admission of oil through pipe "A * from man

>

ual or Automatic Control to the piston "B** moves
the multiple valve to position for admitting oil from
the gear pump to the turret cylinder and impart the

forward rapid traverse movement to the turret (Fig.

23).

The rapid movement continues over a distance

predetermined then by means of a cam and linkage

connected to the clevis on the opposite end of the

valve, it is again shifted to the position shown in

RSE

Fig. 24.

gear pump circuit and replaced it with the circuit
from the reciprocating pump: thus the forward feed

ing movement is started. The gear pump ^till sup
plies oil under pressure to the inlet of the recipro

cating pump with greater volume than required and



the excess oil is passed through a relief valve hack
into the sump. The oil exhausted as the piston tra'
els forward passes through a relief valve set to sus
tain a light back pressure against the piston in the
turret cylinder to prevent irregularities in the feed
ing movement and to prevent jumping forward as

otherwise would occur with intermittent cutting ac

tion. The turret is positively stopped through con
tact of the piston with the end of the cylinder.

At this position the valve has cut out the

RESISTANCE VALVE

BACK PRES

RELIEF VALVES

COURTESY

THE OIL GEAR COMPANY

M

ilwaukee

OF

W

isconsin

SURE

.












23

III

J

FORWARD —

jj

if

m i

REVERSE

CARRIAGE

ii

p

^

\£

VARIABLE DELIVERY

FEED PUMP

\

///////////

c

v

////////

/////////^

CYLINDER

MAXIMUM

F

ED VOLUME

//Z/

/^/^

MINIMUM

PFFD VOLUME

OIL GEAR

FLUID POWER FEEDS

RAPID TRAVERSE REVERSE

FLUID CODE

+ SUCTION

••- - BACK PRESSURE
_ RAPIO TRAVERSE PRESSURE

EXHAUST 8 DRAIN

RAPID TRAVERSE

REVERSE

i

!

*

11: •

\

i

M

:

;

V//////////s

RAPID TRAVERSE

GEAR PUMP

RAPID TRAVERSE

RELIEF VALVES

At the end of the forward stroke oil entering the
cylinder through pipe 4'C“ acting on piston "B
moves the valve full forward, thus allowing oil from

the gear pump to enter the turret cylinder on the

opposite side of the piston therein and effect the

rapid return movement of the turret as shown in
Fic. 25 for Rapid Traverse Reverse. Any excess of
oil returns to the sump through relief valves in the
oilgear. Likewise, the oil exhausted from in front
of the piston passes through light pressure relief
valves.

The turret indexes during the return stroke. To
effect the indexing movement, a reduction in the rale
of travel is necessary. The accomplishment of this it

as follows: with the rapid traverse reverse to the
turret oil exhausts from the port ”A,’
the oilgear to the sump. The rapid movement is
changed to a slower movement, when the piston B

* then through

H.P RFI IFF VALVE

FEED RETURN

RESISTANCE VALVE

BACK PRESSURE

RELIEF VALVES

COURTESY

THE OIL GEAR COMPANY

MILWAUKEE WISCONSIN

enters the rear cylinder head at "C* because the oil
exhausts from here through the small opening at "D ’

I see Fig. 26) predetermined through adjustment of
the needle valve 4iE.” The turret indexes while the
piston “B

” is forcing the oil through tin* opening “D*

OF

METERING VALVE. FIG-26

24

r

— REVERSE

§ ^

P

%

V£

VARIABLE DELIVERY

FEED PUMP

CYLINDER

M

AXIMU

M.

FEEO VOLUME

CARRIAGE

FEED VOLUME

MINIMU

FORWARD

—

J

• •

• •

OIL GEAR

M

u

FLUID POWER FEEDS

NEUTRAL

FLUID CODE

♦ ♦ » SUCTION

BACK PRESSURE

FEED RESISTANCE PRESSURE

----- EXHAUST aORAlN

NEUTRAL

. 4

J=.

3

»

RAPID TRAVERSE

0

and thus the turret can he indexed faster or slower

through increasing or decreasing the opening "D.

If this opening is entirely closed the turret will fail

to index.

For the ra|

the port “A” and as the piston **F

oil also enters the passage “G” and passes through a

t

series of holes like at "K,
piston "B." I he oil forces the ground disc "IT* away

from the piston face and fills the cylinder "C** as the
piston "B

oil also enters through the opening ”

If the speed imparted to the indexing movement of
the turret fails to respond to the adjustment of the
metering valve, then the rear cylinder "C?* should
be removed and the piston 44B’

GEAR PUMP

RAPID TRAVERSE

RELIEF VALVES

OIL

RESERVOIR

\

i:

>id traverse forward the oil flow enters

” starts forward,

” which are around the

” moves forward. A small portion of this

D."

* and the disc H in-

FIG

spected. Leakage caused from dirt holding the disc
”H” can cause such failure.

Fig. 27, Neutral of the oil gear, shows the position

of the multiple valve in the oil gear for cutting out
all action to the turret. The valve is automatically
set to this position from the neutral cam and linkage
acting in conjunction with the clevis on end of the

valve stem. When the turret is in neutral an oil

pressure still exists in the pipe

The piston "B" (Fig. 25 I is actuated from oil sup
plied under pressure from the gear pump supplying
oil to the head and not in any manner from the oil-

gear pumping units. The oil actuating piston ”

is controlled to act in conjunction with the tur

ret movements by means of the compound reverse

valve, which is attached to the back of the bed.

H P RELIEF VALVE

FEED RETURN

RESISTANCE VALVE

BACK PRESSURE

COURTESY

THE OIL GEAR COMPANY

OF

MILWAUKEE WISCONSIN

” V*.

i

F

ig

. 231



B"



25

tV

\\\\\\\\\

'

CYLINDER /

ZL_

V'.; • -

7

/

SLIDE JOINTS

/

3=3

--

4

zfz-

\ •

.

'

l-

PORT-5 DRAIN

PORT-4
PORT-3

TO MASTER

VALVE LOCATED

ON FRONT WALL
INSIDE HEAD

75 POUNDS

PER SQ,^
INCH.

TO OIL SPRAY I

DISTRIBUTOR \i

LOCATED ON
REAR WALL INSIDE

THE HEAD

H

PORT-5

15 POUNDS

PER SQ. IN.

r

r

PORT-6

V —

NEUTRAL VALVE

%k\\N>

s

■

IX PORT-1PORT-2

r

C

c

/

COMPOUND REVERSE VALVE

R

■SB

A\\

!?

!

PORT-3

PORT-1 DRAIN

CT:

A

V>A

PUMP

%

V:

iy

ifi

TO SUMP

V'

fi-. -

DRAIN

»

PORT-4

„

PORT

■re

FILTER

DWELL SELECT VALVE

ii

/v

— 2

ARE POSITIONED FOR START
ING THE REVERSE RAPID

.

TRAVERSAL MOVEMENT OF

THE TURRET.

i

1

:

1

OIL GEAR

.

l

h

(V l

•J

'
!

11

I

PORT-'
PORT-2

^.PORT-

THE VALVES AS SHOWN

3

"

>■

J

]!

i

-

i

•?

TpORT-2

PRESSURE TIME RELEASE

CONTROL CIRCUIT FOR MACHINE WITHOUT TURRET CROSS FACING ATTACHMENT.

FIG-.28.

PORT-I

THE COMPOUND REVERSE VALVE

The compound reverse valve is a unit attached to
the rear side of the machine. It consists of two
valves (See Fig. 28, Oil Circuit). The valve “A” is
mechanically operated through connection ”
acts in conjunction with the movements of the turret
slide. The function of this valve is to direct the oil
flow hydraulically operating the second valve "B .
Valve "B

” directs the oil flow for moving piston car
ried in the cylinder on the oilgear for positioning the
valve in the oilgear, for the rapid traverse forward
and reverse of the turret slide. The feeding move
ments are not in any way controlled from the com
pound reverse valve.

The dwell select valve is also shown with the valve
in position for retaining the turret momentarily at
the end of the forward stroke. This will he described
later, hut must he given consideration here because
it is in the oil circuit and for similar reason the
neutral valve is shown with tin; valve in position for
automatic control. This, too, will he described later.
The valves are shown in Fig. 28, at the positions they
are automatically placed at the end of the forward
feeding movement, and the rapid traverse reverse
movement is starling.

The compound reverse valve distributes the oil

supplied at 75 pounds per square inch from the gear

pump, shown in Fig. 6. A small portion of this sup
ply is utilized for shifting the clutches for automati
cally changing spindle speeds. The oil. on leaving the
pump for the compound valve, first passes through

the filler, then to port 2 of the compound valves,
filling both valve chambers. Through the forward
stroke of the turret valve "A

wr

prcs sure ease

FILTER

” has moved rearward

SHOE JO'NTS

PORT-

2

' PORT-!

poor-

3

c

OIL CEAR\

ORAJN

PORT- 2

PORT- /

.

DSELL set FC.T VALVE

POP I

NEUTRAL

V

al

VE

PIPING DIAGRAM riG-?fl-A

-I

>ORT-6

’

QRT-3

PORT-

CPU POUND REVER:

/{

jus

1

crUNOFR

VAL VI

C and

&

as shown and opened port 6 and through piping the
oil passes from port 6 to port 3 of tin- dwell select
valve. In the latter, when not operative as shown

(valve is shown in operative position), the valve ”
will he pulled forward hv spring "E** and the oil
will flow freely from port 3 to port 2 and back to

port 3 of the compound reverse valve. The oil now
bypasses the needle valve and forces the piston *'B**
forward and opens port 4. This permits the oil



coming from the pump through port 2 to flow

through port 4. which is connected to port 2 of the
neutral valve. Ports 2 and 4 of the neutral valve are



connected through the valve and the oil passes from



the latter port 4 to the outer end of the cylinder on

the oilgear and the valve in the latter is forced for

ward. The exhaust oil from in front of the oil gear

piston is piped so that it will he passed through ports

1 and 3 of the neutral valve and ports I and 3 of the

compound reverse valve hack to the sump.

At the end of the reverse stroke, connection ”
will have moved valve "A forward and port *'D
will he open, thus permitting oil pressure to force
the valve "B lorward. I he oil now entering the
compound reverse valve from the pump, through
port 2 passes out through poit 3 and from here it

passes through ports 1 and 3 of the neutral valve to
the inner end of the cylinder of the oilgear and the
valve in the oilgear is positioned for starting the
rapid traverse forward movement of the turret slide.



The exhaust oil from in front of the valve "B lifts



the hall check *T and travels through port 1 of the
compound reverse valve to the sump.

The oil exhausted from the outer end of the piston
in the end head on the oilgear passes out through
ports 2 and 4 of the neutral valve and then to the

sump through ports 1 and 4 of the compound reverse

valve. The exhaust oil from the inner end of the

end head cylinder passes through ports 1 and 3 of

the neutral valve and hack through ports 1 and 3 of
the compound reverse valve to the sump.

The positions of valves “

A” and "B " change only

at the end of the forward or reverse travel to the tur

ret unless from manual control.

For adjustment of the control mechanism oper

ating the compound reverse valve. >re the section on

resetting the index plate: also Fi(.. .39.

D"

C



‘





27

DWELL SELECTOR VALVE

SHOWING VALVE POSITION EFFECTING DWELL

X-1

PORT-2

6

i'l i

H

:

:

i!h

;

’

PORT-1

TO SUMP ^

/

PORT-3

COMPOUND REVERSE VALVE

VALVES POSITIONED TO HOLD TURRET IN DWELL

MOVEMENT.

AT END OF FORWARD

I

PORT-b

3

PORT-5

FIG-29

:

METERING VALVE ,

PORT-1

TO SUMP

PORT-2

TO PUMP

THE DWELL SELECT VALVE

The Dwell Select Valve (See Fig. 28) acts in conjunction with
the compound reverse valve. The purpose of this valve is to
cause the turret to dwell at the end of the forward feeding
movement sufficiently long for the spindle to rotate the work

!

;

several revolutions before the turret recedes from the work.

This retention of the turret permits cutters used on wide sweep

ing or forming work to coast for final finishing of the surfaces.

The valve as shown is in position for effecting the dwell, l’o
retain the turret in position the dwell select valve simply closes
its port #2, thus stopping the flow of oil from port #6 of the
compound reverse valve._ The oil must now pass through the
metering valve and force the valve “
rapid traverse. The metering valve restricts the oil flow so
that it moves valve “B” very slowly and the turret is retained
while this movement is effected. The metering valve is adjust
able and the dwell time can be regulated to suit requirements.

In fhe late machines the metering valve is contained in the dwell
select valve instead of the compound reverse valve (see Fig. 30).
The oil circuit and piping remain the same as outlined except
that the metering valve will be in a different location.

Through adjustable screws located in a disc timed to index in

relation to the indexing movements of the turret, the dwell

select valve can be automatically operated for any face of the

turret desired.

In setting the dwell select valve, the face of the turret for
which the dwell is desired must be indexed to working position,
then the turret moved forward until positively stopped through
contact of the turret piston with the cylinder head. Now' the
adjusting screw in the disc, facing the dwell select valve stem,

must be turned forward until it has moved the valve to within
3J2 or i*3 of an inch from the cap over the end of the valve body,

B ’ to position for reverse

METERING

VALVE





PORT-2-TO POR T-5-ON

COMPOUND REVERSE VALVE

28

as shown in Fig. 29. Then the lock nut for securing
the adjusting screw tightened. This clearance can
readily be ascertained through moving the valve
stem by hand until it contacts the cap, and then vis

ualizing the clearance between the end of the valve

stem and head of the adjusting screw.

or inactive, they should be disassembled and washed
with kerosene, using rags in place of waste to do
the washing.

NEWSTYLE DWELL SELECT VALVE

In the

event of any of the valves becoming sluggish

PORT-4 TO PORT-2

OF NEUTRAL VALVE.

PORT-3 TO PORT-l
OF NEUTRAL VALVE

V TO DRAIN.

POR T-3-TO

COMPOUND REVERSE VALVE.

PORT-1

POR

FIG-30

t -

6-0

N



§

MANUAL CONTROL

NEUTRA

L VALVE SHIFTER LEVER

POSITIONED FOR AUTOMATIC

OF TURRET MQVF

mfmtc

CQNTROi

FEED CONTROL LEVER •

NEUTRAL

VALVE

SHIFTER

LEVER POSITIONED FOR
MANUA

L CONTROL OF

-'■N. TUR-.ET MOVEMENTS.

)

2 TO

PORT

COMPOUND REVERSE VALVE

PORT 5 DRAIN

PORT 4 OF

(T

PORT 3 TO FLANGED

END OF HYDRAULIC

END HEADON OILGEAR

PORT I TO PORT 3 OF

COMPOUNO REVERSE VALVE

\ HYDRAULIC ENO HEAD OF OILGEAR

3

MANUAL CONTROL

(See Fig. 31)

manual control of the traversal movements is

The

through two levers located on the front side of the ma
chine. The neutral valve lever is connected by means of
a shaft and link directly to the valve in the oilgear and

through manual operation any of the four positions of the
oilgear valve shown in proceeding diagrams may be at
tained through manipulation of this lever. The position to

which the lever must be placed to effect the turret move

ment desired is readable from the pointer and graduations.
This lever does not change the rate of feed but will engage
any feed pre-established. The second lever will elTect feed

changes and will be described later.

To operate the turret manually, the neutral valve lever
must be
on the drawing. This will move the neutral valve to the
left and connect ports 1 and 4 with the drain port #5;

thus all pressure is released from the cylinder on the oil
gear. The lever now may be moved freely to points indi
cating the movement of the turret slide desired. The lever

must be in the position swung to right during the entire
time the machine is operated manually. Placing the lever
in the left hand position returns full automatic operation.

part of its travel under automatic movement from the

manual control lever. When automatic spindle speeds are

used and the turret reversed after an automatic spindle
speed has been effected during the stroke, the dials for

effecting the spindle speed changes must be reset to the
original position, otherwise the speed changes will not fol

low in

automatic movements of the turret, the manual control

lever must be shifted to the neutral position either before

the spindle is stopped or immediately after because the

swung

to

the right, as indicated by the dotted line

The turret movement can be stopped or reversed at any

correct

If for any reason the

relation to the indexed position of the turret.

spindle

must be stopped during the

©©

r--.

1

(

L J

PORT 4 TO OUTER END OF

FIG-31

feeds are independent of the spindle rotations and will
continue unless shifted to neutral. If the feeds are al



lowed to continue with the work stopped, the tooling will
be damaged.









CAUTION :

neutral position after completion of forward or reverse

stroke of the turret from manual control, otherwise the

gear pump in the oilgear will be damaged. A time limit

switch for automatically stopping the motor is provided

to prevent such damage on Fastermatics of late manufac
ture. but it is better to place the control lever in neutral

as mentioned.

When (he neutral valve lever is in (he position indicated

for feed, a pre-established feeding rate is imparted to the

forward movement of the turret. When a faster or slower

feed is desired, an increase will be effected through hand

movement of the feed control lever upward or a decrease
of feed is obtainable through hand movement of the lever
downward.

The feed control lever through a shaft and link is at
tached direct to the volume control mechanism inside the
oilgear unit. This mechanism actuated from movements
applied to the control lever regulates the length of stroke

imparted to the pistons in the high pressure reciprocating
pump, and thus varies the volume of oil discharged per
minute to the turret cylinder. The volume of oil entering
the turret cylinder per minute governs the feeding rate
imparted to the turret slide.

If the machine is already set up and the feeds are con
trolled automatically from the cam arrangement, the lever
can not be moved to decrease the feed while the cam is
engaged with the automatic control.

29

7

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Always place the manual control lever to

j



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NEUTRAL

CAM

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IDLE STATION

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CONTROL AND VARIABLE
FEED CAM ASSEMBLY

TURRET UNIT
AUTOMATIC CONTROL

The longitudinal movements of the
turret are automatically controlled from
cams attached to a drum, which through
gears is timed to index the cams to posi
tions in relation to the indexed positions
of the turret faces. (See Fig. 32.)

The drum complete with cams assem
bled in place is shown in Fig. 34.
drawing (Cams for Controlling Turret

Movements. Fig. 33) shows the types of

cams used. In the following, the pur

pose of each cam is explained.

The constant feed cam attaches direct
ly to the drum. The purpose of this cam

is to change the rate of travel imparted
to the turret slide when in rapid forward
to a slow movement predetermined when

setting the volume control on the oilgear.

This cam through mechanical connection

shifts the multiple valve in the oilgear

and replaces the large volume of oil sup
plied from the gear pump with that sup
plied at a predetermined rate from the
reciprocating pump.

STEP

CAM

VARIABLE

FEED

CAM

CONSTANT FEED

CAM

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CAMS FOR CONTRQLING TURRET MOVEMENTS

The variable feed cam is assembled to the top of the

constant feed cam. The screws for securing this cam to

the constant feed cam also holds both cams to the drum.

The variable feed cam, by means of mechanical connec

tions, acts in conjunction with the volume control inside

I

■

the oilgear. This cam can be adjusted to give the feed

desired.

The step cam is similar to the variable feed cam, except

that it is wider and has an offset machined along the edge

as shown in the drawing. This cam. when in action, al

lows the roll acting on the feed control rod to recede down
the step and decrease the feeding rate applied to the turret

slide. Such action is often desirable when turning or bor

ing cuts end with a sweeping action on wide shoulders or
against the bottom of bores or in a forming operation.
It is possible also to develop a rise on such cams and

greatly increase the feeds for passing over open spaces

between surfaces requiring machining and then return to

the original feeding rate.

The idle station cam is a combination of the variable
and constant feed cams machined from one solid piece.
When used, it is attached to the cam drums in such loca

tion that it will be indexed to active position at the same

time an empty face of the turret is indexed to working

position. The purpose of the cam is to pick up the rolls
actuating the feed control rods and slow the rapid tra
versal forward movement just before the end of the for



ward stroke is reached, thus preventing the piston strik
ing the cylinder head with force in stopping. One idle
station cam is required for each non-tooled face of the

turret passed through the forward and reversal movement.







The neutral cam also is made in one piece; its purpose
is to interrupt the movement of the oil gear valve and to
hold it in neutral position (See Fig. 27) after the cycle of

machining operations is completed and the wo'rk ready for

removal. This cam must be located on the end of the
cam drum next to the gear and on the short portion which
is of smaller diameter.

When all six faces of the turret are tooled, the neutral
must be located on the cam drum, so that it will be active
on the No. 1 turret face or the turret face carrying the
tooling for first operations. If the turret faces are not
all filled, then the neutral cam should stop the turret
movements with one of the open faces-indexed to position.
When used with an open face of the turret the idle station
cam must be also used back of the neutral cam. When the
turret

is

and three of these cams when triple tooled.

30

double tooled two neutral valves will be required,

FIG-33-

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FIG. 31

CAMS ASSEMBLED ON DRUM

along the length of

The location of llio food

the cam drum determines the point where the tool
carrying units will change from the rapid forward
movement into a slower rale of travel for the feeding
movement. The rate of feed travel is controllable
from the variable feed cam which is adjustable and
thus, feeding rates mav he varied to give the (eed
desired for any one of the faces of the turret. In
placing the feed cams on the drum, they must never
he placed so far to tin* rear of the cam drum that
they project over the end of the drum because the

cams when indexed will strike tlie bracket supporting

the cam drum and cause the shear pin to shear off
and require replacement and also relocation oi the

cams.

cams also should he located along the length

The
of the drum so that the rapid forward -movement will
he changed to the rate of travel for feeding, while the
tooling or cutters are still
the work. If set too close, the cutters will strike the
work while under rapid forward movement and the
tooling will he damaged.

Clllll'

to /% of an inch from

OILGEAR ADJUSTMENT TO

31

INCREASE FEEDS

Should greater feeds he desired than are obtain
able through adjustment of the variable feed cams,
an increase can readily he made by loosening the
locknut on the end of the turnbuckle *’Aand
with a wrench turn the turnbuckle. to move the
threaded shanks of the forks ”

(See Fig. 35 I and then tighten the locknut. Turning
the buckle the opposite direction will slow the feeds.
However, these adjustments effect the feed to all
faces of the turret ami when made on machines
already set up on work it may be necessary to re
adjust some of the variable feed cams.

To start the turret on the automatic cycle of oper
ations after being held by the neutral cam. it is sim
ply a matter of lifting the ball lever *’D". as shown
in Fig. 34.

FIG. 35

B " and

then

" outward









IRREGULAR OR UNSTEADY FEEDING

In the event of the feeding movements to the tur

ret slide becoming unsteady of irregular, the fault

he caused from air having entered the hydraulic

can
system, or misalignment of the overhead pilot bar

or piluted boring bars, or having gibs adjusted too
tight on the cross slides: also from insufficient hack
pressure in the feed lines.

To eliminate air from the hydraulic system, loosen

ulo not remove) the /s
the cylinder, then through manual control operate
the turret forward and reverse in rapid traverse until

onlv clear oil is forced out around the loosened pipe

plugs after which they may he tightened.

If there is misalignment of piloted bars, the cor

rective measures arc entirely mechanical.

When

cross slides are too tight a readjustment of

the gibs will he required.

The cause of insufficient hack pressure will un

i

!■

doubtedly he found in the oilgear. The section of
this booklet alloted to the oilgear has instructions
from the Oilgear Company for correction.

” pipe plug in hack end of

and extracts tlie lock holt "F
*’G“ is released, through which action pin UR” moves
down hack of the post “L”



plate, thus eliminating any possibility of the turret

starting the forward stroke before completely in

dexed and tlie lock holt “F*’ in closed position; then
the continued backward movement of the turret

contacts one of the index pins UP” in the bottom of

the turret, with the pawl “





On completion of the indexing the lock holt “F”

enters the turret hushing and allows the roll “

to he dropped by lever ”
also the pin "IF' will he raised through lever “G”
to where it will clear the post "I/'.

As the turret moves forward tlie roll "M
rocks the cam "E" clear and passes on: the pawl
likewise will he rocked clear from interference with
the index pin that follows. When the turret is stop
ped at the position shown, tlie lock holt will he

extracted and retained in released position, through

the roll resting on top of the cam. At this position
the turret is free to he revolved around by hand in
tlie same direction that it indexes automatically.

A ever turn tin

• turret in opposite direction

” at the same time lever

, attached to tlie index

IVl

” and indexes the turret.

D" behind the cam

” simply

!

“E”

H"

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THE HEXAGON TURRET

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The forward and backward movements of the tur

ret arc effected from oil pressure acting against the

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piston "A”, carried in the cylinder ”
der is an integral part of the index plate and is not
a part of the turret assembly, hut is secured rigidly
to the bed.

The indexing movement is imparted to the turret
near the end of the travel returning it from the for
ward stroke.

Prior to indexing the hinder ring 4i0‘
Binder Cams) is released. This is accomplished
through the contacting and passing the lever “J”

(in Fig. 36)
lever through swinging action imparled hv tin- pawl
rotates the cams “P” to released position.

With the continued backward movement of the
turret, the roll “
cam "E

” raises the end of the lock holt lever ‘;D‘’

(Sec Fig. 36

over

the pawl "K

H ’ (Fig. 36) when passing over the

i

C ". The cylin

5 (See Fig. 37,

” (See Fig. 37); the

SETTING THE TURRET NON-INDEXIING

\\ hen work on the Fastennutic can he completed
from tooling attached to a single face of the turret,
it is advisable to set the turret non-indexing because



a considerable amount of time can he saved.





I o set the turret non-indexing: First-remove the
cover plate "IN ' (Fig. 36) from the turret slide, then
hv manual control move the turret forward until the
pawl *\M*
removal of the cover. The motor should now he
stopped. Next, unhook the spring "Q*
the pawl ”
and pulled upward and out or it may he pried ouL
with an ell-shaped screw driver. With the removal
of the pawl the turret becomes non-indexing, hut the
automatic cycle of forward, reverse and stop is un-
alTected. A neutral cam must he placed in position
next to tin* gear on the cam drum for automatically
Mopping the turret at the end of the reverse stroke.
When replacing the pawl "M" he sure to apply a coat
of oil over the pawl shaft 4’S.
the motor stopped when reaching Lhrough the open
ing in the turret slide to remove or replace the pawl.

’ is accessible from the opening made by

M may he gripped with a pair of pliers

” Also he sure to have

r after which

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FIG -36.

TO ADJUST THE BINDER RING

Jst—Back the turret until the indexing movement

lias started so that the turret may be revolved
by hand.

2nd

—

Make sure the lever *’J (See Fig. 37) is clear

of the pawl "K*\

POS

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1

1

f

alfUt

BINDER Cm'

3rd—Swing the lever 'J ' until the cams are in closed

position for locking the hinder.

11h—

I igliten the adjusting nuts *‘Q*' until the hinder
ring will prevent the turret turning from a
strong pull on a wood lever extended about 30
inches from the face of the turret.

I his adjustment should never he made after
the cams are closed automaticallv because there
is no way to determine the amount of pressure
that will he automatically applied to the binder
ring in closing on the next stroke and the in
crease in pressure may break the hinder ring.



33

TO REMOVE THE TURRET

First, remove the shaft supporting the cams “P’
shown in Fic. 37. then open the hinder ring *‘0" wide
and remove it. The turret can now be removed by
lifting it upward. Before reassembly, the bearing
surfaces should be washed with kerosene; never use
an abrasive cloth for cleaning. The turret stud, if
polished with abrasive, will be .reduced in diameter
and the alignment between the spindle and turret
faces will be impaired. In reassembling the turret,
all bearing surfaces should first he coated with oil.
Be sure the fabric oil carriers R and S (Fig. 38) re
tain their proper location. Also be sure that the
pinion *\M
teeth that were together before removal, for if mesh

ed otherwise the cam drum 44
feed cams to proper position for controlling the feed
ing movements to the turret.

” and gear ”N?

* mesh together the same

E" will not index the

CAUTION: The plug “G” supports heavy spring

pressure and it will be violently thrown when turned

’

from the threaded portion of the sleeve unless pre

ventative measures are provided.







The turret must be reassembled in the exact posi
tion it was before removed; the teeth of the gear on
the bottom of the turret sleeve must mesh exactly as
before with the teeth of the pinion on the shaft for
driving the cam drum (See Fig. 32). Otherwise, the
cam drum will he out of time with the indexing
movements of the turret.

To

remove the lock bolt bushing; ",//

may he entered through the threaded portion of the

bushing and screwed against the bottom of the hole
in the turret until it is lifted out.

? a %-14 screw





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TO REMOVE THE LOCK BOLT

First, run the turret forward so that the lock bolt

mechanism may be reached from beneath.

Second

the drum cam; if gear ”B

marked in order that the two gears may be timed

:

:

;
:

together when reassembling. The cam bar 41C”
must also be detached from the cross slide cam and
pushed back for gaining access to the lock screw

The screw E

ing a 10-24 screw thread on the end may be screwed
into the end of the pin "F
on the rod the pin *4F
bolt lever worked out. Next, remove the plug “G“
and the lock holt ”K”

spring, may be removed out through the bottom.

Should the lock holt he stuck it may be necessary to
remove the hexagon turret, then the holt can be
driven out through the top of the saddle or down

ward. In the event of the sleeve "H
moval. it will necessitate removal of the saddle; also
removal of the turret, because the sleeve will require
a strong pressure both for removal and replacement.

It would be .possible to pull the sleeve from the sad
dle without its removal providing a strong puller .is
at hand. On reassembly, it is most likely the sleeve

would require lapping before the lock boll could

he entered.

. remove the gear "A

'' is next removed. Then a rod hav

” will be removed and the lock

, complete with the lock bolt

” (Sec Fic. 38) from

T; is removed it should be

” and with an outward pull

"E".

” requiring re

IF THE TURRET FAILS TO INDEX









(See Sectional Drawing Turret Slide, Fic. 36)

In event of failure of the turret to index, the

cause may he:

The binder ring may not be fully released before
the indexing movement starts. Inspect cams to see
that they are in a fully released position while the
turret is at the extreme end of the reverse stroke.

Inspect lever "J
ally turns the shaft and outer cam “P”. inspect the

pawl “K”

spring may be broken or there may be obstruction

from chips.

Another cause can be the metering valve (see Fig.

26).

It may be entirely closed and prevent full return

of the piston in the turret cylinder on reverse stroke.
This valve, if opened too far, will cause the turret to
index past the lock holt, and will require closing
slightly.

If the turret travels the full forward stroke under

rapid traverse, without slowing to feeding movement

it indicates that the pin through either the pinion

”

B (Fic. 38) or through the gear driving the

drum is sheared and will require replacement.

Again referring to the sectional drawing of turret
(Fic. 36), a broken spring or chip may cause
positioning of the pawl “M”
gagement with the index pins in the bottom of the
turret. Likewise, a broken spring or other obstruction

can

prevent the tumbler “E” from being correctly

positioned to.extract the

I he lock holt lever ‘’D
replacement; also an index pin like at “N” may be
broken and require replacement.

A scored or
positions in accurate alignment; also such inaccur
acies can occur from the bottom of the turret, or
the stud becoming gummy from dirt or deteriorated
oil. In the latter case, kerosene and rags should be
used for cleaning. Never use emery cloth or other
abrasive in cleaning.

” (Fic. 37); make sure that it actu

; see that it contacts the lever “J”

, thus preventing its

lock

bolt.

” may he broken and require

sticky lock bolt will not retain indexed

. The

cam

improper

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HOLD DOWN SCREWS-

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FIG-39-

TO RESET THE INDEX PLATE

(See Fig. 39

To reset the index plate, loosen hinder screws

"C * and ”

••ir

lock nut “
the screws "G
front side of the machine, then loosen the six hold
down screws which clamp the index plate to the bed.
Also loosen tic rod between carriage and index plate.
Now, with a wrench applied to the adjusting screw
“

S ’
sired through turning this screw. As the plate is
moved the tubes “
see that they also move without spring the piping.
Sometimes it is necessary to lap them along while the
plate is in motion.

After completing this adjustment, retighlen the six
hold-down screws; also the lock nut "R”. The brac
ket “

1)*

’ on the slide joints so the tubes ”

are moveable; loosen fingers 4iE?

IF* on the adjusting screw. Next loosen

” and “H” in the roll bracket on the

, the index plate may he moved to position de

A” and 44B” must he observed, to

CT

the front side of the machine must he

on

j

A 1 and

’ and "F"\ also

2)

L

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moved the same distance and same direction that the
index plate was moved and then "secured in place
through tightening the screws "G" and "IT*.







The fingers "E*
to effect the forward and reverse movements of the
turret automatically through operation of the com
pound reverse valve. To do this, first turn the meter
ing valve (Fig. 29) one or more complete turns out
ward. then from manual control move the turret for

ward until positively stopped from contact with the

turret piston with the cylinder head: then change
the manual control hack to automatic feed control.

To assure the piston has contacted the cylinder head

it is recommended that the plug located on the top

side ol the cylinder at the outer end he removed and
replaced with a gauge capable of registering 1.000

pounds per sq. in. When the turret piston is posi
tively stopped by contact the gauge will register

Irom 600 to 000 pounds. With this high pressure
still maintained and the manual control lever set for
automatic operation, the finger "F

to within gL- or ,\

! and *‘F*

T inch of the adjusting

’ will require adjustment

“ must be moved

3 -

screw


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"V**

35

T

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and secured on the trip rod *’L \ Next, loosen the
lock nut on the adjusting screw “
ly against the finger “

then tighten the lock nut. After this adjustment is
completed, back the turret up a few inches manually
and then move it forward, using the automatic feed

to end the forward stroke. Do this several times and
note if the gauge indicates the high pressure used
at the end of each stroke. If there is no pressure
rise the turret reverses too soon and the screw *’V
will require turning back slightly. If the turret re
verses too soon, dimensions pertaining to length can
not be accurately maintained.

Adjustment for starting the forward stroke is done
through finger “E”
ret has reached the end of the reverse stroke. No

gauge is required for this and the adjustment, while
almost identical with that already described, does
not require the accuracy necessary in the other, but
if set too soon the turret will not fully index.

After these adjustments arc completed, the meter

ing valve must be turned back to its original position.

On machines equipped with the turret facing at

tachment the bracket “

in relation to the adjustment of the index plate or it

may be removed; otherwise it will be damaged.

The Cam Bars operating the cross slide cams will
also require adjustment when the index plate i6
moved. This can be done through the collars on the
ends. When properly adjusted, the cams will stop
with the roll attached to the cross slide, about
an inch inside the dwell position at the reverse end
of the stroke. On the forward stroke the dwell should
not be entered more than the -/,j inch when on form
ing work because of the cross slide tooling travel
exceeds that of the turret, time required will be
greater than necessary.

If the index plate move
ment exceeds the adjustment
provided from the threaded
collars on the cam bar, then
the cross slide bridge will re
quire moving also, or special
cam bars.

F** until the turret reverses,

, which must be set when the tui-

W” will require adjustment

V** and turn it slow





t

V of

□ L

position for operation of the front cross slide. When
indexed to this position the shoe **A



plunger “

then as the turret slide feeds forward, the bottom oi
the plunger "H
ried in the cam bar “L’
also move forward and effect movement to the cam

*\M" from which feeding movement, to the cross slide

is

V










imparted. The rear cross slide is actuated in iden

tical manner from a second plunger and shoe on the

side ”F“ of the turret.

On the bottom of Fastermatic Standard tool items
are three locations from tapped holes for placement
of shoes. The shoe when placed on
lion next to the turret will operate the front cross
slide, from the second face forward from the work
ing face of the turret shown at ”G”
is placed on the middle location, it will operate tin,*
rear cross slide, when indexed to the second face
back from the working face of the turret, like at **F’\
The shoe when placed in the outer position when
indexed to position “F” will start the feeding action
to the turret facing attachment when indexed to posi
tion “

The return of the cross slides is through contact of
the collar *'N
when the latter is in reversal stroke. The collars

"N" and “0” provide adjustment to the cross slide
stroke, and when the turret is in full forward posi
tion. the roll on the cross slide should be in the
straight away portion of the cam at least 1/16 of an
inch, like shown at "R", but not more than this on
forming operations.

Two locations, “

plunger "K*
that on work where it is necessary to move the index

plate more than the adjustment provided from the
collars ”
from one location to the other, thus enabling the

11**, carried in the turret slide, downward;

” contacts a second plunger "K , car

\ and thus the cam bar will

the inner loca-

. When the shoe

F\

” on the cam bar, with the turret slide

K and "Q . are provided for the

r in the cam bar. The reason for this is

N ’ and "O’, the plunger can he transposed

B

e

A

H

” forces the











m

r

THE CROSS SLIDE

AND CAM

:

;

Cross movements only are
available from the front and
rear cross slides. Feeding
movements to the cross slides
are controlled to act in con
junction with the working
face of the turret, from a
shoe, like at “A”
be attached to a flanged tool
holder or other
ing as shown at ”

See Fig. 40

, which must

standard tool

B*\

The shoe ”A'’ is shown in



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□

r

16

LIT-

P'

r

—

i

R

/

a

SHOWING POSITION OF PISTON AT END OF FORWARD STROKE.

36

X

M

Q K L

FIG-40-

G

N

MAXIMUM

t>

OP "T-

/

WHEN SURFACES GENERATED FORM AN ANGLE
OF LESS THAN 45° WITH THE CROSS CENTER
LINE

SHOWN, IT IS NECESSARY TO USE AN AUXIL

IARY SLIDE AND CAM IN CONJUNCTION WITH

THE CYLINDER AND MECHANISM ON THE REAR
SIDE OF THE MACHINE.

THE ANGLE OF 45° IS THE MAXIMUM POS
SIBLE WITHOUT EXCESSIVE PRESSURE ON
MOVING PARTS.

FIG-41.

MAXIMUM.

____________

\

WHEN SURFACES GENERATED FORM AN ANGLE

OF LESS THAN 4 5° WITH CENTER LINE THROUGH

SPINDLE,THE ANGULAR MOVEMENT IS USUALLY

EFFECTED FROM A CAM ATTACHED TO END OF
SLIDE AS SHOWN THE CAM CONTACTS A ROLL ON

CROSS SLIDE AS THE TURRET MOVES FORWARD.

operator to complete the adjustment through the

collars “

the shoe “
plungers may be sticky and not return to the proper
height, or a spring may he broken under one of the
plungers. Improper adjustment of the cross slide
gibs will impair accuracy.

to work in conjunction with any one of the turret
faces indexed to working position.

( )*’ and “

In the event of the cross slides failing to function,

A” may not he located properly, or the

Either one of the cross slides or both may be timed

NT

THE TURRET
FACING ATTACHMENT

Fastermatics requiring the use of the tur

ret facing attachment are purchased invari
ably with the attachment installed as a part

of the machine. When necessary to place this

attachment on machines already in service,
but without it. the installation should by all
means he made by Foster service men who
have expert knowledge of this unit.

The turret facing head is used in conjunc
tion with the turret facing attachment. How
ever. these heads may he used for generating
all angles, directed from the center line





the turret retained in positive position, then set valve
”N“ for 0 pounds per sqaure inch, and set valve
for pressure nearing maximum capacity.

facing head slide, set the valve 'A
60 pounds per square inch or more, and valve *”G
for a pressure of from 100 to 200 pounds. In most
instances several trial adjustments of these two valves
will he required before the desired result is obtained.

through the spindle up to 45° without use of
the turret facing attachment. This is fully
explained in the drawing.

To set the turret facing attachment ready
for action, first place a shoe like used for
operating the cross slides in the outer loca
tion under a dummy cam holder or other
standard tool as shown in the diagram

matical outline of control and sequence
valves. (Fig. 42). The dummy cam or tool
holder with the shoes will be located on the
second face rearward on the turret, from the
working face. As the shoe indexes to the
position mentioned, finger *‘B‘* will be forced
downward and retained; then, as the forward
stroke of the turret is ending, finger **B’’ en
gages lever "C"" and moves valve “
opening passages for oil to the inner end of
the facing attachment cylinder. The piston
in this cylinder through linkage now imparts
feeding movement to the turret facing slide.
Adjustment for length of feed is from the
collar on piston rod. If a dwell at the end
of a facing cut is desired, it is obtainable
through the dwell select valve. Adjustment
for close timing is through the nut and rod
at *’E”.

If desirable to return the facing head slide with

To recede the turret slightly before returning the

I he reverse movement to the turret is ef
fected through a bell crank *'Q‘" and spool
’ K.

“ The hell crank’*Q

movement of the piston in the facing attach

ment cylinder and effects action to the com

pound reverse valve through the sliding rod.

“ is operative through

' to pressure of

D'\ thus

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SPECIAL TOOL DESIGN

When designing tools for several jobs differing
from each other, the chuck jaws or chucking fixtures
should he designed when possible and built so that
faces of each of the parts will be held the same
distance out from the spindle nose,
vent the necessity of moving the cross slide and
perhaps the index plate, thus effecting a considerable

saving in set-up time.

In laying out tooling for the cross slide, the tool
blocks should he laved out, with the cross slide

shown in full travel forward and the cam in the
dwell position.

In tool layout, care must be taken for avoiding

interference from the tooling in the first faces hack
on each side of the working face of the turret with

tooling mounted on the cross slides.

In tool layout work for the Fastermatic
ceedure differs little from that for the ordinary tur
ret lathe except that the turret cannot be provided

i

'

with adjustable stops.

We have facilities, experience and skill both in
designing and building special tools for work com
ing to Fastermatics. These arc available to anyone
desiring complete tooling made outside their own
factories.

This will pre-

, the pro-





When tlie set-up is lor ail entirely new job it is
better to remove all feed and neutral earns from the
cam drum and operate the machine from manual
control until the parts are being finished accurate
and the feeds are determined.
be placed in position on the cam drum and adjusted
for obtaining the feeds required.

In selecting the feed cams, care must be taken that
the cam selected to work in conjunction with each
turret face will be long enough to cover the length

of feed required for each cut.

An idle station cam is required for each vacant face

of the turret; also a neutral cam for each position the

turret requires stopping,
triplicate two neutral cams are required and if tooled
with two sets of tools, two neutral cams will he

necessary. The cams are to he located at the rear
end of the cam drum and should change the rapid
forward movement to a feeding rate at from j/g to

-/j of the beginning of the cut. The neutral cams
are placed on the front end of the cam drum.

When tooling the cross slide the cutter block?

should be mounted with the slide full forward and

the cam past the dwell, on ordinary facing oper

ations. On work where a diameter must be formed,

the same proccedure is followed and several trial

cuts may he required before getting the cutters cor

rectly adjusted.

The

cams may now

If the turret is tooled in





SETTING UP THE TOOLING

When changing from

have already been tooled up and run, it will he of
great advantage to have a finished sample which may

be chucked true and used as a gauge for setting the

tooling accurate position.

4

..

FIG 44.

job to another which

one

B

C

.

17iT>

A

7~n

The scale "A* and indicator "13", shown in Fig. 4-1,

are for convenience in tool selling where drilling or

similar operations are required. The indicator is at

the position over the end of the scale as shown, when
the turret positively stops from contact of the piston
with the head of the turret cylinder. For explan
ation of the use of the indicator and scale, assume
it is required to drill a hole 2" deep. First, move the
turret forward through manual control, until the in
dicator has reached the second inch graduation from
the end of the scale like shown at ”
pull the drill out of the tool holder until it contacts

the work and tighten in place. This will give a very
close approximation. The same proccedure is fol
lowed hi locating boring tools, reamers and similar
tooling.

C"; now simply







V

40

i

Milwaukee. Wisconsin,

INSTRUCTIONS

NEW OILGEAR FLUID POWER FEEDS

TYPE "F" FEED PUMPS

TO THE USER & OPERATOR OF OILGEAR FEEDS.
The purpose of this bulletin is to minimize your work and simplify it. Oilgear feed

pumps have certain characteristics which when known reduce shut-downs and increase

the life expectancy. We would make you acquainted with the Oilgear Type "F" Fes*
Pumps

We feel confident that if the suggestions
with reasonable care, the Oilgear will operate to your satisfaction,
your attention.

I. INSTALLATION.

For your convenience, this bulletin is divided into five main sections.

.

1. INSTALLATION.

2. OPERATION.

3. MAINTENANCE AND REPAIR.

4. FINE FEED ATTACHMENT.

5. DELAYED REVERSE ATTACHMENT.
given in this bulletin are adhered to

Yours very truly,

THE OILGEAR COMPANY

A. MOUNTING

1. Bolt flange of pump to machine or mount pump with casing on a level foun
dation at least six inches above floor (to facilitate draining of oil).

2. Avoid undue jarring and abuse in handling to protect pump mechanism.

We invite



B.

PIPING

1. Use extra heavy pipe size seamless steel tubing and forged steel fittings.
Refer to page 2 of Bulletin 90000.
a. Remove all scale, burrs and foreign matter.
b. (IMPORTANT) Avoid the use of all compounds - red and white lead, lith

arge and compound - this is a determining factor
equipment

C. POWER REQUIREMENTS

1. Power is required in proportion to volume and pressure used.

(See paragraph 2-D for power required).

D. SPEED

1. Maximum drive shaft speed 1140 RPM: minimum 860 RPM.

2. (IMPORTANT) Pump drive shaft must always rotate clockwise when facing
front of pump.

3. Use either direct, belt, Texrope, silent chain or gear drive.
a. Provide an easy slide fit for coupling,

gear and fasten with set screw. Do not use a drive fit.

E. OIL

1. Refer to red oil instruction plate on top of pump or to Bulletin 90000.

2. Pour all oil through
sight gage.

Turn drive shaft

.

pulley, sheave, sprocket or

strainer on top of pump.

Capacity of standard oil casing approximately seven gallons,

a few revolutions by hand. Switch electric

in

Fill

the life

casing to ring on

control off

of the



IP

'

and on several times before allowing pump to roach full speed,
filled by running pump and moving control to rapid traverse
reverse positions.

low. Add oil and start pump again,
a. Release air through petcocks installed in piping or Ollgear Automatic

Air drain valves when filling
a solid body of oil and consequent positive performance.

F. CONTROL

1, The operating

moving part, hydraulic control cylinders or electric devices.

2. Control linkage must be free from any play and cam mechanism kept clean.

;

f

2. OPERATION.
A. FEED ADJUSTMENT

1. To increase feed move volume
move lever to the right.

B. CONTROL VALVE POSITIONS

1. The feed and rapid traverse
valve stem.

a. For dimensions of the various control valve positions refer to Bulletin

44100 or to an installation
pump used.

Watch sight gage and stop pump when oil level becomes

system -

valve is usually shifted by cam mechanism and linkage from

control lever to the

Lock control lever after adjustment has been msde.

positions are attained by movement of control

drawing covering the specific type of feed

this is necessary to obtain

left. To decrease feed

System is

forward and

i

I

C. PRESSURES

1. FEED PRESSURE
setting at factory 1000 pounds per sq. in.
a. To adjust pressure

add shims to increase pressure or remove shims to decrease
pounds per sq. in. maximum recommended).

2. RAPID TRAVERSE PRESSURE - Standard setting at factory 300 pounds per sq.in.
a. To adjust pressure -Remove small screw cap on top of pump to left of con

trol lever and add shims to increase pressure or remove shims to decrease

pressure. (300 pounds per sq. in. maximum recommended.)

3. BACK PRESSURE - Standard setting at factory 5 pounds per sq. in.
a. To adjust pressure -remove small cap on bottom of gear pump manifold and

insert shims below spring to increase pressure.(Maximum recommended
25 pounds per sq. in. for pump with large gear pump and 50 pounds per 3q.

in. for pump with small gear pump.)

4. FEED RETURN resistance pressure. Standard setting at factory 100 pounds per
sq. in.
a. To adjust pressure

ward on back of manifold to reduce pressure or install a heavier spring

%

.

to increase pressure.

adjustable from 300 to 1000 pounds per sq. in.

remove screw cap in front of oil filler plu

remove locking wire and turn horizontal screw out-

pressure

Standard

1000

.?

and

is

-x

D. SPECIFICATIONS

(Delivery in cubic inches per minute.)

Figures in body of Type Designation

Drive shaft speed, R.P.M.
Minimum feed delivery
Maximum feed delivery
Rapid Traverse Delivery
Horsepower required, max. *

* Horsepower required at 300 pounds per sq. in. rapid traverse pressure.

3. MAINTENANCE & REPAIRS
To service Oilgear Feed Pumps it has been found that a few preliminary observa-

tions have saved much time, worry and expense,
the basis of inefficient operation are as follows:-

A. JERKY OPERATION OF TABLE.

1. Oil level is low. Check and refill.

2. Air in the system - to remove same unscrew
fittings slightly
pipe lines, open petcocks if available or
install
which require no attention.

3. Binding packing -add packing lubricant and
relieve gland pressure if possible.

4. Insufficient
gage in return line -if low adjust in accor
dance with instructions given in paragraph

(

2-C-3&4

Oilgear Automatic Air Drain Valves

).

in the highest point of

back pressure -to check,place

10304
20304

860

260

3000

8

3

The few maladjustments that are usually

10307
20307

860

8

260
6000
5-1/2 7-1/2



10304
20304

1140 1140

4000

10

350

10307
20307

10

350

8000

4

B. IRREGULAR OR UNCERTAIN FEEDS

1. May be due to change in viscosity
refill with oil recommended.

2. Excessive internal leakage may be a contributing factor; to ascertain location
of trouble, proceed as follows

a. Remove the hexagon head screw plug to permit examination of the high pres

sure relief valve (paragraph 2-C-l) for dirt or foreign substance which
be holding the valve open. If the seat is worn or slightly damaged the ball
may be reseated by tapping lightly.

b. Block ram - disconnect pipe on one side of cylinder and apply a pressure of

1000 pounds to the other side - check amount of leakage. Repeat test on op
posite side. If excessive:-

(1) Dismantle cylinder

walls, etc.

and examine for broken or sticking rings,

of

oil, to remedy,check kind of oil used and

:-

may

scored



w

c. Determine pump leakage - remove plate 29121 on top of pump.

parts drawing on page 5).

covered by plate 29121.
make contact with upper surface of slide block 29446.
may be removed so that action of slide block can be observed,
feed adjustment lever 28657-A to maximum feed position. Put operating
valve in feed position,

and Install pressure gage and drain cock in outlet. Adjust slide block
position with screw until pressure is shown on gage at 750 pounds per

sq. in. Open drain cock and measure discharge. If excessive:-

1. Inspect control valve and high pressure pump unit for worn or scor
ed surfaces or return pump to Oilgear for inspection and repair.

3. Inactive pressure compensating unit.
a. Bellville springs assembled on a thimble and inserted between slide

block and feed adjusting cam may be broken or defective.

28673 to inspect springs.

C. UNRESPONSIVE FEED ACTIONS.

1. Ncte carefully
time, if not -check linkage and cam adjustment - inspect electric devices
or hydraulic control pressure if used - this movement must be positive.

D. OVERHEATING.

1. Check relief valve for leakage at low pressure
3-B-2a

2. High back pressure - check and remedy as per paragraph 2-C-3a.

3. Low oil level

4. Overloads -
search for cause in dull or faulty tooling - over tight packing - ram out

of line with table - gibbs too tight - restricted passages, etc.

5. Check position of control valve for neutral location.

.

if

control valve is shifted to the proper position each

check and refill.

evidenced by discharging relief valve at 1000 pounds or over

Insert a long 5/16" screw in threaded hole

This screw must be of sufficient lengh to

Disconnect the feeding pressure line of pump

Do not change arrangement of springs.

remedy as per Paragraph

(See pump

Plate 28673

Remove plate

Move

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Except for the lap fits the construction of the Oilgear pump is easily under
stood by the average mechanic and the replacing
bling is a simple matter.
ation entirely that it be disassembled and the trouble diagnosed,
are worn or broken reference to the repair parts drawing will greatly aid
and speed up service from the factory. Care should be taken to get the

rect part number and it is most important that the SERIAL NUMBER and TYPE ol
pump be mentioned on the order.

The following are useful suggestions in working with this equipment.

Observe position of gaskets upon removal - this will

1.
prevent annoying leaks when reassembling,
press cylinder off shaft the short way.

2.
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3.
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