Cincinnati 1a lo, 1c lo, 1b lo, 1d la, 1e lr Service Manual
seruice
mnnuRL
HOD
PARTS
LIST
CATALOG
.—--X
h,
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®
[CINCINNATI:
No.
1
Tooimaster
MILLING
MACHINE
Identification
No.
6J-DK
Publication
No.
M-2109
WHEN
ORDERING
REPAIR
PARTS
1.
Give
complete
Serial
Number
of
Machine.
2.
Give
Part
Number
and
Name.
3.
Give
Amount
Required.
UNLESS
THE
ABOVE
DATA
IS
INCLUDED
WE
CANNOT
FILL
YOURORDE
R
THE
CINCINNATI
MILLING
MACHINE
CO
CINCINNATI
9,
OHIO,
U.S
A.
SERVICE
MANUAL
AND
PARTS LIST
CATALOG
TABLE
OF
CONTENTS
This catalog to be used
only
for machines
whose
serial
number
begins
with
6J.
FUNCTIONAL
DIAGRAMS
DIMENSIONAL
DRAWING
CONVERSION CHART
(InchestoM/M)
LUBRICATION
DIAGRAM
AND
SPECIFICATIONS.
CMMCo.
RECOMMENDED
LUBRICANTS
......
INSTALLATION
INSTRUCTIONS
ADJUSTMENTS
To
Adjust
Gibs
Drive
Belts:
Styles
1-A,
1-B.
. . .
Drive
Belt:
Style
1-E
" "
Backlash
Eliminator
"
Quill
Powerfeed
Clutch:
Style
1-B
" "
Shaping
Attachment
Drive
Belt
. . .
" "
Shaping
Attachment
Gib
DISMANTLING
INSTRUCTIONS
To
Remove
V-Belt
Housing
Styles
1-A,
1-B
Style
1-D
Style
1-E
Splined
Spindle
Sleeve:
Styles
1-A,
1-B.
. . . . . , . .
Drive
Spindle
Assembly:
Style
1-A
:
Style
1-B
:
Styles
1-D,
1-E
Spindle
Housing
with
Spindle:
Styles
1-A,
1-B
. . . .
" :
Styles
1-D,
1-E
...
.
Spiral
Gear
Shaft:
Style
1-B
Transmission
Shaft:
Style
1-B
Speed
Change
Assembly:
Style
1-D
and
Dismantle
Powerfeed
Housing:
Styles
1-D,
1-E.
Overarm
and
Turret:
Styles
1-A,
1-B,
1-D,
1-E
. .
Overarm
(Heavy
Duty):
Style
1-C.
and
Dismantle
Overarm
Gear
Housing:
Style
1-C
. .
Page
4,
5
6
7
8,
9
10
11
12
12
12
12
12
12
12
13
13
13
13
13
14
15
15
16
16
16
17
17
18
18
18
CINCINNATI
NO.
1
TOOLMASTER
MILLING
MACHINE
To
Remove
Single
Swivel
Housing
Spindle
and
Drive
—
Without
Hand
Feed:
Style
1-C
" "
Single
Swivel
Housing
Spindle
and
Drive
—
With
Hand
Feed:
Style
1-C
. .
" "
and
Dismantle
Double
Swivel
Housing:
Style
1-C
Table
" "
Table
Leadscrew
" "
Table
Powerfeed
Housing
To
Dismantle
Table
Powerfeed
Housing
To
Remove
Standard
Saddle
" "
Crossfeed
Screw
" "
and
Dismantle
Saddle
When
TableIsEquipped
With
Powerfeed
" " " "
Saddle
Powerfeed
Housing
Elevating
Crank
Shaft
" "
Elevating
Screw
and
Pedestal
Knee
To
Dismantle
Shaping
Attachment
To
Install
Table
or
Saddle
Powerfeed
Motor
KEY
NUMBER
INDEX
HOW
TO
ORDER
REPAIR
PARTS
HIGH
SPEED
HEAD AND
OVERARM
(Unit
6JJR)....
HEAVY
DUTY
HEAD AND
OVERARM
(Unit
6JJS)
. . .
VARI-SPEED
HEAD AND OVERARM (Unit 6JKV). . . .
SADDLE-TABLE
(Unit
6JH)
KNEE (Unit 6JK)
COLUMN
(Unit
6JC)
COOLANT
PUMP
AND
PIPING
(Unit
6JP)
PRECISION MEASURING
EQUIPMENT
(Unit
6JJL).
. .
SHAPING
ATTACHMENT
(Unit
6JHF)
PLAIN,
SWIVEL AND UNIVERSAL VISES (Unit 6JKA)
INDEX
HEAD
AND
TAILSTOCK
(Unit
6JKA)
MACHINE
INSTRUCTION
PLATES
The
design
and
specifications
of
these
machines
are
subjecttochange
without
notice.
Page
18
19
19
19
20
20
21
21
22
22
22
23
23
24
24
24
25-26
27
29-41
43-53
55-67
69-77
79-89
91
91
93-95
97-99
101
103
105
Publication
No.
M-2109
SERVICE
MANUAL
AND
PARTS
LIST
CATALOG
SPINDLE
DRIVE
MOTOR
TURRET
SWIVEL
LOCKING
NUTS
OVERARM
POSITIONING
PINION
SERIAL
NUMBER
PUSH
BUTTON
PANEL
TABLE
TRAVERSE
HANDWHEEL
KNEE
CLAMPS
SADDLE
CLAMP
FUNCTIONAL
DIAGRAM
SPINDLE
MOTOR
CONTROL
HEAVY
DUTY
OVERARM
(UNIT6JJS)
SPINDLE
SPEED
SHIFT
LEVERS
DOUBLE
SWIVEL
HOUSING
Figure
4A
Style
1C
Toolmaster
Milling
Machine
with
Heavy
Duty
Overarm
and
Double
Swivel
Housing
PINDLE
START-STOP
SWITCH
HIGH
SPEED
HEAD
AND
OVERARM
(UNIT6JJR)
QUILL
CLAMP
HEAD
ANGLE
ADJUSTMENT
COLUMN(UNIT6JC)
TABLE
(UNIT
6JH)
TABLE
CLAMP
CROSSFEED
KNEE(UNIT6JK)
ELEVATING
CRANK
Figure
4B
Style
IB
Toolmaster
Milling
Machine
with
Power
Feed
to
Quill,
Manual
FeedtoSaddle
and
Table
CINCINNATI
NO.
1
TOOLMASTER
MILLING
MACHINE
FUNCTIONAL
DIAGRAM
Figure
5A
Style
IE
Toolmaster
Milling
Machine
with
Power
Feed
to
Quill
DRAW-IN
BOLT
LOCK
KNOB
SPINDLE
START-STOP
SWITCH
ID
HEAD
UNIT
6JKV
HI-LOW
SPEED
CHANGE
LEVER
POWER
FEED
ENGAGING
LEVER
QUILL
FEED
HANDWHEEL-
QUILL
CLAMP
POWER
FEED
TO
TABLE
UNIT
6JH
KNEE
UNIT6JK
DRAW-IN
BOLT
SPINDLE
START-STOP
SWITCH
SPINDLE
BRAKE
IE
HEAD-UNIT
6JKV
QUILL
FEED
HANDWHEEL
QUILL
CLAMP
Figure
5B
Style
ID
Toolmaster
Milling
Machine
with
Power
FeedtoQuill,
Saddle
and
Table
Hi:
. \
SPEED
CHANGE
DIAL
SPEED
CHANGE
CRANK
SPINDLE
BRAKE
MICROMETER
QUILL
STOP
QUILL
HAND
FEED
LEVER
PRECISION
MEASURING
DEVICE
SADDLE-TABLE
UNIT
6JH
COLUMN
UNIT6JC
POWER
FEED
TO
SADDLE
UNIT
6JK
Publication
No.
M-2109
SERVICE
MANUAL
AND
PARTS
LIST
CATALOG
DIMENSIONAL
DRAWING
Machine
Max.
Min.
Max.
B
Min.
C
Max.
3
Min.
J
Max.
S
Min.
Max.
Min.
G
H
Max.
Max.IMin.
-
IB
1C
ID
IE
22-1/4
25-3/8
23-3/4
23-3/4
4-3/4
5-3/8
6-1/4
6-1/4
16-1/4
16-1/4
16-1/4
16-1/4
6-1/4
6-1/4
6-1/4
6-1/4
3-
3
5
5
1/2
20-1/8
22-5/8
19-3/4
19-3/4
3-1/8
5-5/8
2-3/4
2-3/4
46-3/4
46-3/4
46-3/4
46-3/4
29-3/4
29-3/4
29-3/4
29-3/4
27-3/4
27-3/4
27-3/4
27-3/4
10-3/4
10-3/4
10-3/4
10-3/4
74-1/2
73-1/2
78-1/2
78-1/2
17
20
17
17
32
32
32
32
10
10
10
10
*1Ahas
same
dimen.
ionsasIE
<•»
NO.40STD.
TAPER
(ID a IE
MACHINE)
FLOOR
PLAN
TABLE
a
TEE
SLOT
SPINDLE
NOSE
ASSEMBLY
AND
ADAPTER
( IB
MACHINE)
Ar
23^
-*-jll|
\
1
N
\
\
i
1 v
V 1
^
/
7
'i-
m
IO
ID
r
i_
^
1 -
i
— f i
r
^U-2
-*
78i
»~
1
Jx^J^i
^F^
NO.7b.as.
<5jMIN-
J
25 1 MAX.
HEAVY
DUTY
OVERARM
a
SPINDLE
NOSE
1IC
MACHINE)
2.625
SHAPING
ATTACHMENT
J.-13NC
THRD'S.
FACEOFCOLUMN
Machine
X
With
Shaping
Attach.
X
Without
Shaping
Attach.
With
S
Atta
Max.
Taping
ch.
Min.
IB
1C
ID
IE
33-1/2
37-1/8
33-1/2
33-1/2
37-1/8
38-1/4
39-3/4
39-3/4
24
28-1/2
24
24
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15
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SERVICE
MANUAL
AND
PARTS
LIST
CATALOG
LUBRICATION
DIAGRAMS
OIL
LEVEL
GAGE
FOR
STATION
|6
IC
MACHINE
OIL
LEVEL
GAGE
FOR STATION
|4
SHAPING
ATTACHMENT
16
POWER
FEED
TO
TABLE
AND
SADDLE
OIL
LEVEL
GAGE
FOR
STATION
4
ONE
SHOT
PLUNGER
FOR
STATION
4
OIL
LEVEL
GAGE
FOR STATION
|5
Publication
No.
M-2109
CINCINNATI
NO.
1
TOOLMASTER
MILLING
MACHINE
LUBRICATION
INSTRUCTIONS
and
SPECIFICATIONS
(See
diagrams
opposite
page)
Thoroughly
oil
all
moving
parts
as
they
are
installed,
then
lubricate
all
principal
points
as
listed
below
before
starting
motor.
Periodic
and
thorough
lubrication
with
correct
lubricant,
as
specified,
will
help
to
maintain
the
long
life
and
accuracy
built
into
each
machine.
The
intervals
listed
are
based
onanormal
eight
hour
day.
PURCHASE
LUBRICANTS
FROM
RELIABLE
DEALERS
Interval
Twice
Daily
(4
hours)
When
Used
Daily
(8
hours)
Station
No.
and
Part
Lubricated
11,
13
14
15
16
17
18
6,
7
Shaping
Attachment
Ways
Pinion
Shaft
Quill
Bearing
Power
Feed
Drive
Gears
Saddle-Table
and
Saddle-
Knee
Ways,
Table
and
Cross
Nut
and
Lead
Screw
Knee-Column
Ways,
Ele
vating
Screw
and
Gears.
(Some
machines-plunger
isonright
side
„)
Gear
Box
Shaping
Attachment
Drive
Table
Power
Feed
Gear
Housing
Saddle
Power
Feed
Gear
Housing
Vari-Speed
Pulley
As
sembly.
(1-D
only)
Power
Feed
to
Quill
(1-D,
1-E)
Spindle
Bearings
Lubrication
Instructions
Fill
oiler
cupsorbutton
oilers
Cap.1Pt.
Check
level
daily.
Maintain
level
at
height
of
opening
of
4,
above
low
limit
of
5.
Cap.
1/4
Gal.
Cap.
1-1/2
Gal.
Cap.
1-3/4
Pts.
Cap.
1/2
Gal.
Cap.
1/2
Gal.
3
TIMES
DAILY
Pull
out
each
plunger
and
allowitto
return
itself.
Check
level
daily.
Fill
to
high
limit
when
oil
reaches
low
limit.
Grease
lightly
with
spindle
speed
set
to
1400
rpm
or
less.
Run
at
this
speed
for
one
minute.
Cap.1Pt.
Check
oil
level
daily
while
machine
is
running.
Add
oilasneeded.
One-half
turn
only,
of
grease
cup,
Refill
as
required.
Lubricant
Specifications
CMMCo.
No.
P-54
Rust
and
oxidation
in
hibited
oil.
Viscosity
300-320
S.U.S.
at
100°F.
Follow
recommenda
tion
of
Vari-Speed
pulley
manufacturer.
CMMCo.
No.
P-63.
Lead
napthenate
EP
oil.
Viscosity
300-
360
S.U.S.at100°
F.
CMMCo.
No.
P-64
Lithium
base
grease
havingaconsistency
of
N.
L.
G.
I.
No.
2.
(continued on next page)
Coolant
reservoir
capacityisapproximately
4-1/2
gals.
(17
liters).
See page 10
for
various
oil
company
recommended
lubricants
that
comply with CMMCo.
specifications.
9
Publication
No.
M-2109
SERVICE
MANUAL
AND
PARTS LIST
CATALOG
LUBRICATION
INSTRUCTIONS
and
SPECIFICATIONS
(See
diagrams,
page
8)
Interval
Station
No.
and
Part
Lubricated
Lubrication
Instructions
Lubricant
Specifications
Weekly
12
Shaping
Attachment
Pit
man
Arm
Bearings
2 to 3
strokes
from
a
hand
gun.
(Approx.
1/2
oz.)
CMMCo.
No.
P-64.
(See
page
9.)
(48
hours)
10*
Quill—Power
Feed
(1A,
IB)
Cap.1Pt.
CMMCo.
No.
P-54.
(See
page
9.)
Periodically
9
Motor
Bearings
Lubricate
all
motors
only
according
to
motor
manufactur
er's
recommendations.
DO
NOT
OVERLUBRICATE.
*Tilt
spindle housing 30° toward right to fill or check oil level. At 30° angle, the oil level should be even
with hole. To drain,
rotate
housing
70°—80°
to left. (1-A, 1-B)
CMMCo
RECOMMENDED
LUBRICANTS
The
following
lubricants
have
been
tested
by The Cincinnati Milling Machine Co.
recommended
for
useintheir
machines.
and
are
P-54
P-63
P-64
British-American
Oil
Co.,
Ltd.-Britex
R & O 55:
Cities
Service
Oil
Co.
-
Pacemaker
#3;
Cities
Service
Oil Co.
-Pacemaker
#300-T; D-X Sunray Oil Co. -
DX-Cherokee Oil "H" (R &O);
Esso
Standard Oil Co. - Nuto 50; Gulf Oil Corp. -
Gulfcrest
55
or
Gulf Harmony 53; Midwest Oil Co. -
Ace-Lube
Heavy Medium;
Pennzoil Co. (Calif.) - Zoil Hydraulic Oil Heavy; Pennzoil Co. (Penn.) - Turbine
Oil
Heavy-Medium;
Pure
Oil
Co. -
Puroturbine
Heavy Medium;
Tellus
33;
Socony-Mobil
Oil
Co. - D.T.E.
Heavy-Medium;
(Calif.) - Chevron O. C. Turbine Oil 15; Standard Oil Co. (Ind
trial
Oil
#31;
Standard
Oil Co. (Ohio) - Sohivis 52; Sun
Oil
Shell
Oil
Co.
-
Standard
Oil
Co.
) -
Stanoil
Indus-
Co.-Sunvis
931;
Texas
Co. -
Regal
Oil
PC
R & O;
Tidewater
Assoc.
Oil
Co.-Tycol
Aturbrio
60.
Esso
Standard
Oil
Co.-Pen-O-Led
E.P.1; Gulf
Oil
Corp.
- Gulf E.P.Lubricant
55;
Shell
Oil
Co. -
Macoma
33;
Socony-Mobil
Oil
Co. -
Compound
"AA";
Stan
dard
Oil Co. (Ohio) -
Facto-lube
1; Sun Oil Co. - Sunep 50;
Texas
Co. -
Meropa
Lubricant
1.
Cities
Service
Oil
Co.-Trojan
H-2;
N. Y.
andN.J.
Lubricant
Co.-G-60;
Co.-Alvania
2;
Socony-Mobil
Oil
Co.-Mobilux
2
Stanolith
57;
Standard
Oil
Co. (Ohio) -
Sohitran
2;
Texas
Co.-Multifak
2.
10
=
Gulf
Oil
Corp.
-
Gulf-Crown
Grease
2;
Pure
Oil
Co.-H.T.
Grease
2;
Shell
Oil
Standard
Oil
Co.
(Ind.)
-
Sun
Oil
Co.-Prestige
42;
CINCINNATI
NO.
1
TOOLMASTER
MILLING
MACHINE
INSTALLATION
INSTRUCTIONS
Foundations
A
special
foundation
is
not
required
for
the
No.
1
Toolmaster
Milling
Machine.
Any
substantial
floor,
woodorconcrete,
fairly
flat
and
sufficiently
sturdy
to
hold
machines
weight
(approximately
2500
pounds
willbesatisfactory.
If
installed
onanupper
floor
place
directly
overamain
beam.
Select
a
zone
free
from
extraneous
vibration.
FIGURE
11A
Lifting
Machine
Lifting Machine (Figure 11A)
The
machine
maybelifted
byacrane
witharope
or
cable
sling
around
the
turret.
Have
saddle
in
inner
position
and
overarm
fully
retracted
and
clamped
before
lifting.
If a
wire
cable
is
used
to
lift
machine,
protect
any
surface
contacted
by
cable
withaleather
belt
or
wood
blocks.
Bolting
Machine
to Floor (Figure TIB)
If
you
wishtobolt
machinetofloor
notice
that
cen
ter
distances
of
bolt
holes
given
on
"Dimensional
Drawing"
are
approximated.
If
the
floor
is
con
crete,
drill
the
bolt
holes
about
6"
in
diameter.
Placealarge
washer
on
headofhold
down
bolt,
followedbya
short
lengthof1-1/2"pipe,
pass
bolts
up
through
holes
in
base
and
secure
withanut
at
top.
Fill
each
pipe
with
dry
sand.
Lower
machine
into
place
but
haveitresting
on
two
l"thick
boards.
(Topsofpipes
around
hold
down
bolts
should
be
flush
with
floor.)
Fill
holes
around
pipes
with
quick
drying
cement
thatisthin
enough
to flow
easily.
When
cementisdry,
remove
boards,
level
machine
and
tighten
hold
down
bolts.
11
FIGURE
11B
Bolting
to
Concrete
Floor
FIGURE
11C
Sensitive
Spirit
Level
Leveling Machine (Figure TIC)
For
leveling
machine
toolsasensitive,
graduated
tube
spirit
level
reading
to 10
seconds
per
gradua
tion
(.0005"
per
foot)
and
provided
withascrew
adjustment,
is
required.
A
carpenter'
s
level
or
the
bulbina
machinists'
combination
squareisnot
good
enough.
Table
must
be
clean
and
free
of
burrs.
Place
6"
squares
of
shim
stock
under
the
four
bearing
pads
of
base
until
machineislevel
in
all
directions.
Check
machine
level
periodically.
Always
handleaprecision
level
by
the
ends.
If
it
is
grasped
at
the
center,
the
heat
of
your
hand
around
the
glass
may
distort
it
sufficientlytoim
pair
the
leveling
accuracy.
Cleaning
The
machine
should
never
be
cleaned
with
the
blast
fromanair
hose
asitwill
drive
grit
and
dirt
into
ways
and
bearings.
Use
only
lint-free
rags
for
plain
surfaces
andastiff
bristle
brush
for
corners.
Prevent
formation
of
permanent
stain
by
periodic
cleaning.
If
machine
will
remain
idle
foralong
time,
wipeathin
coatofoil
over
all
exposed
parts
to
prevent
rusting.
Publication
No.
M-2109
SERVICE
MANUAL
AND
PARTS
LIST
CATALOG
ADJUSTMENTS
FIGURE
12
Headless
Type
Gib
To
Adjust
Gibs
(See
Figure 12)
Headless
type
taper
gibs
are
provided
to
compen
sate
for
wear
of
bearing
surfaces
between
sliding
elements
at
knee
and
column;
knee
and
saddle;
saddle
and
table.
Keep
these
surfaces
clean
and
lubricated
to
cut
down
wear.
Move
slide,
to
be
adjusted
by
hand,
turn
gib
ad
justing
screwinuntil
movementofslide
feels
tight
then
back
off
screw
until
movement
is
just
snug
withaslight
drag.
CAUTION
—
Too
tight
an
adjustment
of
the
gibs
squeezes
out
the
oil
film,
causing
undue
wear
and
scoring.
To
Adjust
Drive Belts: Styles 1-A, 1-B
(See
Page
28.)
Styles
1-A
and
1-B
machines
are
driven
through
a
V-belt
and
step
pulleys
which
transmit
motor
torquetothe
drive
sleeve
throughajack
shaft
and
timing
belt.
To
tighten
the
V-belt
(3B),
turn
knurled
knob (43B). To
tighten
timing
belt
(9B),
loosen
two
socket
head
screws
(33B),
move
V-belt
housing
(19B)
back
until
beltistight
and
retighten
the
socket
head
screws.
When
belt
can
be
de
pressed
1/2"
(midway
between
shafts),
adjustment
is
correct.
[If
timing
beltisnoisy,itis too tight.
When
properly
adjusted,
the
timing
belt
runs
quietly.]
To
Adjust
Drive Belt:
Style
1-E
(See Page 56.)
Drive
belt
(130B)istightened
or
loosened
by
turn
ing
knurled
knob
(101B).
Loosen
two
hex
nuts
(133B)
before
adjusting
belt.
Tighten
hex
nuts
after
adjusting
belt.
When
belt
can
be
depressed
1/2"
(midway
between
shafts),
adjustment
is
cor
rect.
To
Adjust
Backlash Eliminator
(See Page 70.)
Lunging
table
movements
while
climb
milling
would
indicate
that
backlash
(B/L)
eliminator
nuts
are
loose
or
worn
and
need
adjusting.
1.
Run
table
to
extreme
left
position
so
lead
screw
nuts
are
most
accessible.
2.
Loosen
two
socket
head
screws
(82B)
and,
by
hand
only,
turn
B/L
eliminator
nut
(80B)
clockwise,
then
tighten
screws
(82B)
while
holding
B/L
nut.
The
two
screws
(82B)
can
be
placed
in
either
set
of
two
holes
in
nut
(79B)
that
are
90°
apart.
To
Adjust
Quill
Powerfeed
Clutch:
Style 1-B (See Page 34.)
If
powerfeed
to
quill
should
slip
duringanormal
cut,itshouldbeadjusted
as
follows:
1.
Drain
oil
from
vertical
head,
unscrew
knurled
knob
(175B)atleft
side
of
head
and
remove
six
screws
holding
cover
plate
(123B,page
32)
from
side
of
head.
Remove
cover
plate.
2.
Loosen
set
screw
in
adjusting
collar
(178B),
taptoloosen
shoe
underitand
rotate
collar
in
a
clockwise
direction
until
itiswithin
0.010"
of
the
front
face
of
male
friction
clutch
(181B).
[Or,
run
collar
tight
against
friction
clutch
and
backitoff
1/5
of a
turnonthe
5/8-
18 fine
threads
of pinion
shaft.
]
As
hand
clutch
knob
is
turned
clockwise,
it
will
push
adjusting
pins
(177B)
against
friction
clutch
and
force
clutch
into
spiral
gear
(182B)
to
produce
drivetoquill.
To Adjust Shaping
Attachment
Drive Belt
(See Page
96.)
Loosen
the
three
cap
screws
that
attach
motor
mounting
plate
(39B)tobelt
housing
and
tighten
knurled
knob
(48B)
until
belt
(44B)
can
be
sagged
between
sheaves
about
one-half
its
thickness
by
finger
pressure.
To Adjust Shaping Attachment Gib
(See Pages 96, 98.)
Slightly
loosen
bottom
gib
screw
and
tighten
top
gib
screw
(104B) until movement of slide (8B)
is
felttobe
snugasdrive
beltispulled
overbyhand.
=
12
CINCINNATI
NO.1TOOLMASTER
MILLING
MACHINE
DISMANTLING
PROCEDURE
FIGURE
13
Removing
V-Belt
Housing
To
Remove
V-Belt
Housing:
Styles
1-A,
1-B.
(See
Page 28
and
Figure 13.)
1.
Loosen
timing
belt
by
loosening
two
socket
head
screws
(33B)
and
turning
knurled
knob
(43B).
2. Attach a
two-point
suspension
sling (with pad
ded
hooks)tothe
top
flanges
above
side
open
ings
in
housing
(19B).
Remove
two
socket
head
screws
(33B)
and
two
washers
(34B).
Lift
housing
straight
up,
slowly,
andbecer
tain
timing
belt
(9B)
comes
free
of
driven
pulley
(22B)
as
V-belt
housing
is
separated
from
spindle
housing.
NOTE
— If
the
V-belt
housingistobemoved
any
distance
from
the
machine,itwillbenecessary
to
break
electrical
connections
at
junction
box
on
motor.
To
Remove
V-Belt
Housing:
Style
1-D.
(See Page 54.)
1.
Loosen
four
capscrews
(66B)
and
remove
two
capscrews
(99B).
Rigatwo-point
suspension
sling
with
padded
hooks
and
attach
hooks
to
flanges
above
side
openingsinV-belt
housing
(58B).
Remove
slack
from
lifting
cables.
2.
Remove
four
capscrews
(66B)
and
washers
(67B).
Lift
housing
(58B),
slowly,
untilitis
clear
of
drawbar
(210B,
page
58).
When
reassembling,
be
certain
key
(93B)
does
not
fall
outofkeywayinhelical
gear
(98B)
or
power
will
notbetransmitted
to
spindle.
NOTE
— If
V-belt
housing
is
to
be
moved
any
distance
from
the
machine,
it
willbenecessary
to
break
electrical
connections
at
junction
box
on
motor.
13:
To
Remove
V-Belt
Housing:
Style
1-E.
(See
Page
56.)
1.
Remove
two
screws
(117B)
and
remove
brake
assembly
from
sideofmotor
housing.
2.
Loosen
four
capscrews
(127B)
and
remove
two
capscrews
(146B).
Rigatwo-point
suspension
sling
with
padded
hooks
and
attach
hooks
to
flanges
above
side
openings
in
V-belt
housing
(107B).
Remove
slack
from
lifting
cables.
Remove
four
capscrews
(127B)
and
washers
(128B).
Lift
housing
(107B),
slowly,
until
it
is
clearofdrawbar
(210B,
page
58).
When
reassembling,
be
certain
key
(144B)
does
not
fall
out
of
keyway
in
helical
gear
(143B)orpower
will
not
be
transmitted
to
spindle.
NOTE
— If
V-belt
housing
is
to
be
moved
any
distance
from
the
machine,
it
willbenecessary
to
break
electrical
connections
at
junction
box
on
motor.
To
Remove
Splined Spindle
Sleeve:
Styles 1-A, 1-B.
(See Page 28.)
1.
Remove
V-belt
housing
per
instructions
above.
2.
Turn
driven
pulley
(22B)
until
two
capscrews
(25B)
are
accessible
through
holesinpulley.
Remove
two
capscrews
(25B).
Turn
pulley
90°
until
remaining
two
capscrews
(25B)
are
accessible
and
remove
capscrews.
3.
Lift
bearing
housing
(12B)
from
topofspindle
housing.
4.
Remove
screw
(6B)
and
loosen
screw
(7B)
in
locknut
(20B).
Loosen
and
remove
locknut
(20B).
Tap
splined
spindle
sleeve
(29B)
out
of
bearing
housing
(12B).
To
Remove
Drive
Spindle
Assembly:
Style
1-A.
(See Page 30.)
1.
Proceed
as
per
instructions
above
under
"To
Remove
V-Belt
Housing"
and
"To
Remove
Splined
Spindle
Sleeve.
"
2.
Unscrew
hub
retainer
(86B)
thatisattached
to
spring
pin
(84B),
spring
(85B)
and
spring
re
tain
er
screw
(100B).
Lift
off
handle
hub
(83B)
and
dial
(82B).
Loosen
spindle
clamp
(65B).
3.
Tapeasmall
rag
to
the
exposed
endofpinion
shaft
(78B)toprotect
shaft
when
spring
un-
Publication
No.
M-2109
SERVICE
MANUAL
AND
PARTS LIST
CATALOG
FIGURE
14A
Quill
Feed
Torsion
Spring
winds.
Grip
the
tangofspring
(80B) with a
pliers
and
placearag
over
spring
housing.
Pull
tang
of
spring
free
of
notch
in
spring
housing
(79B)
and,
at
the
same
time,
step
back
while
spring
unwinds.
The
tangatinner
endofspring
lies
in
groove
of
pinion
shaft
(78B).
This
spring
is
most
easily
replaced
by
two
men,
each
handling
spring
withapair
of
pliers.
[Grease
spring
before replacing.]
Have
spindleatits
bottom
position,
fully
wind
spring,
back
off
one
notch
and
hook
spring
in
housing.
[This
springisonly
strong
enough
to
balance
weight
of
sleeve
assembly.
It
is
not
intendedtoreturn
spindletoits
upper
po
sition. ]
4.
Remove
three
screws
(87B),
lift
off
spring
housing
(79B)
and
pull
out
pinion
shaft
(78B).
Push
spindle
and
sleeve
(92B) up
far
enough
to
remove
stop
key
(69B)
and
lower
sleeve
assembly
out
of
head.
Stop
key
contacts
ad
justing
stop
block
(52B).
To
Remove
Drive Spindle
Assembly:
Style 1-B
(See Pages 32, 34.)
1.
Proceed
as
per
instructions
above
under
"To
Remove
V-Belt
Housing"
and
"To
Remove
Splined
Spindle
Sleeve."
2.
Unscrew
hub
retainer
(194B)
that
is
attached
to
spring
pin
(191B),
spring
(192B)
and
spring
retainer
screw
(193B).
Lift
off
handle
hub
(190B)
and
dial
(189B).
3.
Tapeasmall
rag
to
the
exposed
endofpinion
shaft
(183B)toprotect
shaft
when
spring
un
winds.
Grip
the
tangofspring
(187B)
with
a
=
14
pliers
and
placearag
over
spring
housing.
Pull
tang
of
spring
free
of
notch
in
spring
housing
(185B)
and,
at
the
same
time,
step
back
while
spring
unwinds.
The
tangatinner
endof-spring
lies
in
groove
of
pinion
shaft
(183B). [See
Figure
14A. ]
This
spring
is
most
easily
replaced
by
two
men,
each
handling
spring
withapair
of
pliers.
[Grease
spring
before
replacing.]
Have
spindleatits
bottom
position,
fully
wind
spring,
back
off
one
notch
and
hook
spring
in
housing.
[This
springisonly
strong
enough
to
balance
weight
of
sleeve
assembly.
It
is
not
intended
to
return
spindletoits
upper
po
sition.
]
Drain
oil
from
spindle
housing
by
removing
plug (124B)
and
rotating
spindle
housing (15
IB)
to left. [See
Figure
16B.] Unscrew hand
clutch
knob (175B,
page
34)
and
remove
cover
plate
(123B,
page
32).
Loosen
lock
screw
(179B,page 34),
unscrew
clutch
adjusting
col
lar
(178B)
and
remove
male
friction
clutch
(181B)
[See Figure 15C], key (184B)and
spiral
gear
(182B). Loosen
clamp
screw
(205B).
Remove
two
set
screws
(163B, 162B,
page
32)
from
sideofspindle
housing.
Replace
handle
hub (190B, page 34).
Rotate
handle (196B) to
raise
sleeve
(144B, page 32) and, by knocking
it
against
driven
gear
(115B),
force
worm
shaft
(118B)
up out of spindle housing. [See
Figure 15A. ] Pull out pinion shaft (183B,
page
34).
Push
spindle (132B,
page
32)
and
sleeve
up
high
enough
to
remove
stop
key
(154B)
and
lower sleeve
assembly
down out of head. [See
Figure
14B. ] Stop key contacts depth adjust
ing
stop
(159B).
FIGURE
14B
Drive
Spindle
and
Sleeve
CINCINNATI
NO.
1
TOOLMASTER
MILLING
MACHINE
To
Remove
Drive
Spindle
Assembly
Styles
1-D, 1-E.
(See Page 64.)
1.
Remove
knurled
locknut
(364B)
from
top of
shaft
(386B).
Remove
screw
(377B)
and
loosen
screw
(378B) to
remove
micrometer
stop
dial
(376B).
Loosen
screw
(384B)and
slide
pointer
block
(385B) up on
shaft
(386B).
Remove
re
tainer
ring
(387B)
from
groove
near
bottom
of
shaft
(386B)
and
slide
ring
up
toward
center
of
shaft.
Turn
bushing
(361B,
power
feed;
381B,
manual
feed)counter-clockwise
toremove
shaft
(386B)
from
bushing.
Remove
two
screws
(382B
and
383B)
holding
bracket
(369B)
and
remove
bracket
from
shaft
(386B).
Removing
bracket
(369B)
allows
removal
of the quill (200B, page
58)
assembly
from
spindle
housing.
2.
Raise
table
to
upper
limit.
Place
block
of
wood
between
table
and
bottom
of
spindle.
Loosen
quill
clamp
lever
(453B,
page
66).
Turn
hand
feed
control
wheel
(347B,
page
62)
to
lower
spindle.
Lower
table
as
spindle
is
lowered. Support spindle
assembly
[near
top]
beforeitis
clear
of
spindle
housing.
To
Remove
Spindle
Housing
with
Spindle:
Styles
1-A,
1-B.
(See Pages 30,
32.)
1.
Proceed
as
per
instructions
in
paragraphs
1
and2under
"To
Remove
V-Belt
Housing:
Styles 1-A,
1-B"
(page 13) and
lift
off housing.
2.
Remove
four
nuts
(95B,page
30; 135B,
page
32).
Pull
spindle
housing
straight
outofoverarm.
This
housing
assembly
weighs
approximately
60 lb. [See Figure 15B.]
When
assembling,
the
tee
bolts
(96B,
page
30;
133B,
page
32)
couldbeheldincorrect
posi
tions,
in
circular
slot
at
endofoverarm,
by
heavy
grease
until
spindle
headispushed
into
place in
overarm.
[See
Figure
15B.] Spiral
gear
(11
IB,
page
30;
129B,page
32)
must
mesh
with
spiral
gear
shaft
(237B,page
36)ashous
ingispushed
into
overarm.
If
machine
is
equipped
withadouble
swivel
adapter,
remove
spindle
housing
before
at
tempting
to
remove
adapter
from
overarm.
3.
After
assembling,
the
spindle
alignment
with
table
should be
checked.
[See
Figure
16A. ]
Tramming
readings
ona10"
diameter
circle
should
be
0.000"
at
both
sides
and
rear,
but
0.001"
at
front.
If
readings
are
not
0.000"
at
15
sides,
it
may
be
necessary
to
change
zero
line
on
overarm.
If
readings
are
not
0.000"
at
rear
and
0.001"
at
front,itmaybeneces
sarytorescrape
head.
FIGURE
15A
Worm
Shaft-IB
Head
FIGURE
15B
Removing
Spindle
Housing
FIGURE
15C
Spindle
Drive
Friction
Clutch
Publication
No.
M-2109
SERVICE
MANUAL
AND
PARTS
LIST
CATALOG
FIGURE
16A
Tramming
Spindle
To
Table
To
Remove
Spindle
Housing
With
Spindle:
Styles
1-D, 1-E.
(See Page 66.)
1,
Disconnect
electrical
leadsatjunction
box
on
backofmotor.
Place
rope
sling
through
open
ings
in
sideofV-belt
housing
and
connect
slingtocrane.
Remove
slack
from
rope
sling.
2. Remove four
nuts
(428B)
and
washers
(427B).
Pull
spindle
housing
(420B)
straight
out
of
overarm.
When
assembling,
the
tee
bolts
(423B) could
be
heldincorrect
positions,
in
circular
slot
at
end
of
overarm,
by
heavy
grease
until
spindle
headispushed
into
placeinoverarm.
[See Figure 15B.] Spiral gear
(419B)
must
mesh
with
spiral
gear
shaft
(416B)ashousing
is
pushed
into
overarm.
If
machine
is
equipped
withadouble
swivel
adapter,
remove
spindle
housing
before
at
tempting
to
remove
adapter
from
overarm.
To
Remove
Spiral
Gear
Shaft:
Style
1-B.
(See
Pages32and
34.)
1.
Proceed
as
per
instructions
in
paragraphs
1
and2under
"To
Remove
Drive
Spindle
As
sembly:
Style
1-B,
page
14.
2.
Remove
four
nuts
(135B,
page
32)
and
pull
spindle housing
straight
out of
overarm.
Drill
=
16
a
holeinexpansion
plug
(212B,
page
34)
and
remove
it.
Withabrass
bar
against
front
end
of
spiral
gear
shaft
(209B),
driveitout
rear
of
housing.
To
Remove
Transmission
Shaft:
Style
1-B
(See Pages 32
and
34.)
1.
Turn
spindle
housing
90°
to left and
remove
plug
(124B)
to drain oil from housing. [See
Figure
16B. ] Return housing to upright po
sition,
unscrew
hand
clutch
knob
(175B,
page
34) and
remove
cover
plate
(123B, page 32).
Loosen
set
screw
(179B,
page
34),
tap
collar
to
loosen
shoe
under
screw,
and
remove
clutch
adjusting
collar
(178B). Slip off
male
friction
clutch
(18IB),
remove
key
(184B)
and
spiral
gear
(182B)
from
pinion shaft. [See
Figure
15C.]
2.
Unscrew
hub
retainer
(194B)
that
is
attached
to
spring
pin
(191B).
Remove
hub
handle
(190B)
and
dial
(189B).
Tapeasmall
rag
to
the
exposed
endofpinion
shaft
(183B)topro
tect
shaft
when
spring
unwinds.
Grip
the
tang
of
spring
(187B)
withapliers
and
placearag
over
spring
housing.
Pull
tangofspring
free
of
notchinspring
housing
(185B)
and,
at
the
same
time,
step
back
while
spring
unwinds.
The
tangatinner
endofspring
liesingroove
of
pinion
shaft
(183B).
Take
out
three
screws
(186B),
remove
housing,
and
pinion
shaft
(183B).
The
torsion
spring
is
most
easily
replaced
by
two
men,
each
handling
spring
withapair
of
pliers.
[Grease
spring
before
replacing.]
Have
spindle
at
its
bottom
position,
fully
wind
spring,
back
off
one
notch
and
hookinspring
housing.
r~*mi
FIGURE
16B
Draining
Oil
From
Head
CINCINNATI
NO.
1
TOOLMASTER
MILLING
MACHINE
3.
Remove
spring
wire
rings
(217B)
and
set
screws
(215,
218B)
from
gears.
Drillahole
through
expansion
plug
(22IB)
and
pullitfrom
housing.
Inserta1/2"by1-1/2"
brass
rod
into
pinion
shaft
opening
of
housing
and
tap
transmission
shaft
(214B)
out
frontofhousing.
To
Remove
Speed
Change
Assembly:
Style
1-D.
(See Page 54.)
1.
Proceed
as
per
instructions
under
"To
Re
move
V-Belt
Housing:
Style
1-D,
page
13."
2.
Pry
motor
pulley
open
and
wedge
with
small
blocks
of
wood
to
release
pressure
on
belt.
Remove
belt
(72B).
Remove
wooden
blocks
and
allow
pulley
halves
to
close.
3.
Remove
lockscrew
(52B)
and
loosen
set
screw
(51B).
Remove
handle
(41B)
and
dial
(44B).
Remove
three
screws
(47B)
from
sleeve
(46B).
Turn
gear
shaft
(48B)
counter-clock
wise
untilitis
clear
of
nut
(12B).
Gear
shaft
and
sleeve
assembly
can
then
be
removed
from housing.
[Gear
(37B)
may be removed,
if
necessary,
by
removing
lockscrew
(20B)
and
loosening
set
screw
(28B).
This
releases
the
pressure
on
gear
pin
(38B)
and
permits
removal of pin and
gear.
] Remove lockscrew
(8)
and
loosen
set
screw
(10B)
untilitis
clear
of
recess
in
shaft
pin
(9B).
Remove
four
screws
(55B)
and
work
drum
switch
(59B)
outofhousing
carefully.
Do
not
break
or
damage
wires
attached
to
drum
switch.
With
drum
switch
outofits
recess,
tap
shaft
pin
(9B)
out
backofcasting
until
it
is
clear
of
yoke
(17B).
Lift
pin
and
yoke
out
of
casting.
4.
Remove
five
screws
(IB)
and
cover
(14B).
[Keep drawbar bolt (6B) in place on underside
of
coverorplunger
(2B)
and
spring
(3B)
may
fall out and be
lost.
]
To
Remove
and
Dismantle
Powerfeed
Housing:
Styles
1-D, 1-E.
(See Pages 60
and
62.)
1.
Attach
rope
sling
through
side
openings
in
motor
housing
(58B,
page
54,
1-D
machine;
or
107B,
page
56,
1-E
machine).
Remove
three
screws
(188B,
page
58)
and
raise
motor
housing
base
untilitis
clear
of
spindle
hous
ing.
[Itisnot
necessary
to
break
electrical
connections
to
motor
if
the
housing
remains
suspended
on
crane
or
is
lowered
onto
ma
chine
table.]
Remove plug (262B, page 60)
and
screws
(263B,
264B)
located
near
top
of
housing
and
midway
between
screws
(258B).
.17
Remove
bevel
gear
(234B)
assembly;
this
as
sembly
includes
parts
(221B,
231B
through
234B,
245B
and
246B).
Remove
plug
(272B)
and
drain
oil
from
gear
box.
Remove
two
screws
(283B)
and
two
screws
(258B). Move
housing
(247B)
straight
out
from
side
of
spindle
housing.
Place
powerfeed
housing
on
work
bench
for
dismant
ling.
Remove
plug
(262B)
and
screws
(263B, 264B)
that
hold
sleeve
(217B) in
place.
Through
opening
in
back
of
powerfeed
housing
place
screwdriver
against
recess
in
face
of
bevel
gear
(226B)
and
tap
complete
shaft
(220B)
as
sembly
to
left
(as
viewing
explode)
out
of
housing. [Do not remove shaft (220B) as
sembly
by
tapping
against
front
endofshaft.
This
action
would
dislodge
Truarc
rings
(219B,
224B, 240B) and
result
in
bearing
damage.]
Remove
roll
pins
(301B,
303B,
page
62)
and
pull
shaft
(315B),
with
handwheel
and
dial
in
place,
outofhousing.
Remove
gears
(300B,
305B,
307B)asthey
drop
freeofshaft.
Remove
four
screws
(317B)
and
cover
(326B).
Remove
spring
(298B,
page
60).
Remove
roll
pin
(277B)
from
shifting
arm.
Remove
dog
point
set
screw
(290B)
and
tap
1/8"
roll
pin
[not shown] out of shifting shaft detent (289B).
Remove
pin
(281B)
and
lever
(293B).
Tap
shifting
shaft
(296B)
at
lever
end
and
move
shaft
through
clutch
shifting
fork
(297B)
until
key
(295B)
can
be
removed.
Then
tap
shaft
in
the
opposite
direction
and
remove
from
control
sideofhousing.
Remove
three
screws
(260B)
and
remove
gear
shift
knob
assembly.
This
assembly
includes
the
following
parts:
(255B,
256B,
259B
through
261B,
265B
through
270B,
279B
and
280B).
Remove
roll
pin
(308B,
page
62)
from
gear
(306B)
and
remove
gear
from
end
of
shaft
(343B).
Remove
screw
(321B)
and
loosen
screw
(320B)
that
holds
sleeve
(339B)inhous
ing.
Tap
sleeve
(339B),
ring
(340B)
and
plug
(341B) out of housing.
[Place
screwdriver
on
inner face of sleeve and tap
carefully.
] Tap
shaft
(343B)
from
above
and
remove
shaft,
gear
(337B),
snap
ring
(338B),
bushing
(348B)
and
reversing
clutch
(336B)
through
access
in
bottom
of
housing.
Remove
plug
(333B),
screw
(332B)
and
loosen
screw
(331B).
Re
move
four
screws
(309B)
and
rear
cover
(310B).
Tap
shaft
(325B)toleft
until
it
is
clear
of
bevel
gear
(342B)
and
remove
bevel
gear.
Then,
tap
shaft
(325B)toright
to
re
move
shaft
and
bevel
gear
(324B)
from
hous
ing.
Gears
(329B,
330B)
maybelifted
out
of
housing
after
they
fall
clear
of
shaft.
To
Publication
No.
M-2109
SERVICE
MANUAL
AND
PARTS
LIST
CATALOG
separate
cluster
gear
from
driving
gear,
re
move
ring
(328B).
7.
Remove
screw
(248B,
page
60)
and
loosen
screw
(249B). Remove
roll
pin (250B). Tap
shaft
(253B)
from
inside
housing. As
shaftisre
moved,itwill
force
plug
(254B)
outofhousing.
To
Remove
Overarm
and
Turret:
Styles
1-A,
1-B, 1-D
and
1-E.
(See Pages 36
and
66.)
1.
Attach
rope
sling
through
side
openings
in
motor
housing
in
head
and
connect
sling
to
crane.
Remove
slack
from
sling.
Remove
four
nuts
from
T-bolts
that
hold
headtoover
arm
and
pull
head
straight
out
from
overarm.
2.
Remove
coolant
hose
(27B,
page
90)
and
brac
ket
(23B) if
machineisso equipped. Remove
socket
head
screw
from
top
center
of
over
arm,
insert
an
eyebolt
and
attach
crane
hook.
Wind
overarm
forward
and
slide
out
of
turret
(257B,
page
36).
Make
certain
overarm
is
balanced
asitis
slid
off, to
prevent
damage
to
ways.
Break
electrical
connections,
re
move
four
nuts
(255B)
from
topofturret
and
lift
turret
off
column.
NOTE
—
The
overarm
is
easier
to
balance
while
removing
if
spindle
housing
is
taken
off
first.
However,
by
usingarope
sling
around
spindle
housing
and
fromitto
crane,
itispossibletore
move
overarm
with
housinginplace.
To
Remove
Overarm (Heavy Duty):Style 1-C.
(See Page 42.)
Remove one
1/2"
set
screw
(2B)
from
top of
gear
housing (14B) on
motor
end,
insert
an
eyebolt
and
attach
to a
crane.
Remove
electrical
compartment
cover
(10B)
and
break
electrical
connections.
Wind
overarm
forward
and
slide
out
of
turret.
Make
certain
overarm
is
balanced
as
it
is
slid
off,
otherwise
vee-wayinturret
maybedamaged.
If a
double
swivel
housing
is
being
used,
turn
spindle
housing
soitis
in
line
with
overarm
to
preventatwisting
action
as
overarm
is
removed.
Itisadvisable
to
use
two
eyebolts
in
gear
case
when
lifting
overarm
with
swivel
housing
in
place.
To
Remove
and
Dismantle
Overarm
Gear
Housing:
Style
1-C
(See Pages 42, 44, 46)
1.
Drain
oil
from
gear
housing.
Set
the
center
and
rear
speed
shift
levers
(74B,
68B,page
44)
in
the
number2stops
and
the
forward
lever
(88B)ineither
its
number1or
its
neutral
stop.
Remove
twelve
screws
(5IB)
and
pull
speed
control
plate
(56B)from
overarm.
Mark
=
18
locationofgears
so
they
canbemore
easily
set
when
assembling.
2. Remove two
1/2"
set
screws
(2B, page 42),
insert
two
eyebolts
and
attach
toacrane.
Through
side
opening,
set
couplings (109B,
112B, page 46) so
their
sides
are
vertical,
re
move
fourteen
screws
(IB, 9B,
page
42),
and
raise
gear
housing
outofoverarm.
Overarm
can
be
left
on
turret
while
gear
housingisremoved
but
gear
housing
must
be
in
placetoremove
overarm.
3. Loosen
set
screw,
tap to loosen
lock
shoe,
remove
shoe-type
lock
nut
(148B,page
46)
and
drive
spur
gear
shaft
(142B)
toward
front
of
housing
sufficiently
to
expose
set
screw
in
lock nut (144B). Loosen
set
screw
and tap to
loosen
lock
shoeinnut.
Tap
shaft
(142B) to
rear
into
original
place
and,
usingaspanner
wrenchinthe
side
holes
of
nut
(144B), un
screw
it.
Tap
shaft
forward
and
outofhous
ing.
4. Remove
shoe-type
lock
nut
(137B),
loosen
locknut
(134B)
untilitis
clearofshaft
threads
and
tap
cluster
shaft
(13
IB)
forward
and
out
of
housing.
When
assembling,
set
spur
gear
(132B)
as
far
toward
rear
of
housing
as
possible
so
change
gear
(145B)
does
not
havetoshift
too
far
forward
to
engage
spur
gear
(132B).
If
change
gear
(145B)
moves
too
far
forward,
it
will
rub
against
end
of
change
gear
shaft
(119B).
5.
Remove
coupling
halves
(109B, 112B)
and
hy-
pro
keys
from
ends
of
change
gear
shafts
(105B, 119B).
Remove
shoe-type
locknuts
(108B, 115B)
and
tap
shafts
out
of
housing.
The
flangeofbearing
cup
(106B)
must
have
a
flat
ground
on
one
side
to
miss
the
adjacent
bearing.
To
Remove
Single
Swivel
Housing
Spindle
and
Drive
—Without
Hand Feed:
Style
1-C
(See Pages
44
and
50)
1.
Drain
oil
from
gear
housing.
Set
the
two
rear
speed
change
levers
(74B,
68B,
page
44)inthe
Number2stop
and
the
forward
lever
(88B) in
the
Number
1
stop.
Remove
twelve
screws
(51B)
and
pull
speed
control
plate
(56B)
from
overarm.
Itiseasier
to
align
couplings
when
assembling
if
speed
control
plateisoff.
2.
Unscrew
four
nuts
(211B,
page
50)
and
pull
spindle
housing
(213B)
from
overarm.
Re
move
index
head
gear
(235B)
from
sleeve
ad-
CINCINNATI
NO.
1
TOOLMASTER
MILLING
MACHINE
justing
housing
(227B).
Remove
four
screws
(233B)
and
tap
motor
driven
shaft
(224B)
and
sleeve
housing
(227B)
assembly
outofspindle
housing.
After
assembly,
the
gear
(214B)iscorrectly
aligned
and
meshed
by
grinding
the
spacer
(207B)tocorrect
thickness.
3.
Remove
spindle
bearing
cap
(203B),
split
type
spindle
locknut
(205B)
from
topofspindle
and
spindle
cap
(220B)
from
bottom
of
spindle
housing.
Gently
tap
spindle
down
outofhousingtopre
vent
damage
to
thrust
bearing
(219B). It
is
not
necessary
to
remove
spindle
housing
be
fore
removing
spindle.
To
Remove
Single
Swivel
Housing
Spindle
and
Drive
—With
Hand Feed:
Style
1-C
(See Pages 48
and
50.)
This
spindle
housing
is
the
same
one
used
without
hand feed butisrotated
180° before mounting on
overarm.
(See
"Ref."at
bottomofpage
50.)
1.
Proceed
as
per
paragraphs
1
and2directly
above
under
"To
Remove
Single
Swivel
Hous
ing.
"When
assembling,
grind
spacer
(16
IB,
page
48) to
set
spiral
drive
gear
(153B) to
gearonmotor
driven
shaft
(224B,
page
50).
2.
Remove
two
screws
(17IB)
and
draw
bolt
cover
(191B).
Remove
bearing
nut
(193B)
and
locknut
(174B)
and
remove
quill
(169B)
from
spindle.
Loosen
set
screw
(154B)
and
tap
to
free
brass
plug
(155B)
under
it.
Unscrew
quill
adjusting
cap
(199B)
from
topofspindle
housing
and
remove
with
dial
(198B)
and
quill,
adjusting
screw
(184B).
3.
Remove
spindle
bearing
cap
(165B)
and
split
type
locknut
(163B)
from
bottom
of
spindle
(167B).
Turn
spindle housing 180° and gently
tap
spindle
(167B) down
outofhousingtopre
vent
damagetothrust
bearing
(149B).
To
Remove
and
Dismantle
Double
Swivel
Housing:
Style
1-C
(See
Page
52.)
1.
Remove
spindle
housing
(160B,
page
48
or
213B,
page
50)
from
double
swivel
housing
(260B,
page
52).
Remove
end
cap
(266B),
shoe-type
locknut
(265B)
and
tap
spiral
bevel
pinion
(240B)
gently
outofhousing.
If
pinion
is
driven
too
hard,
the
thrust
bearing
(243B)
might
be
damaged.
=
19-
2.
Remove
four
nuts
(258B)
and
pull
swivel
head
out
of
overarm.
Remove
index
head
gear
(247B). Remove
set
screw
(261B) and pull
eccentric
(262B)
from
housing.
Remove
set
screw
(250B),
loosen
set
screw
(25IB)
and
pull
motor
driven
shaft
(254B)
and
bearing
sleeve
(256B)
assembly
outofoverarm.
Remove
shoe-type
locknut
(244B)
and
gently
tap
shaft
outofsleeve
to
prevent
damaging
thrust
bearing
(255B).
3. When
assembling,
gear
(240B)
and
gear
on
motor
shaft
(254B)
are
aligned
by
grinding
spacer
(242B) to
suit
and
moving
bearing
sleeve
(256B) with
eccentric
(262B). Sight
gears
through
opening
left
by
removal
of
ex
pansion
plug
(249B). When
spindle
housing
(160Bor213B)isattachedtoswivel
housing,
it
may
be
necessary
to
readjust
all
gears
to
obtain
proper
running
mesh.
When
inserting
spindle
housinginswivel
housingorthe
latter
into
overarm,
turn
hous
ing 90° to one
side
before
slippingithome.
Thus,
if a
slight
loop
of
the
O-ring
gasket
should
be
squeezed
down
and
cut
by
edge
of
opening,
the
damaged
portion
will
be
above
lubrication
level.
To
Remove
Table
(See Page 68.)
1.
Unscrew
split
type
locknut
(38B)
from
right
endofleadscrew(2IB)
and
remove
handwheel
with
dial.
Remove
key
(22B),
four
cap
screws
(24B)
and
tap
right-hand
apron
(23B)
from
table.
2. Move
tabletorightsoleft
apronisnear
sad
dle.
Remove
four
cap
screws
(18B)
from
left
apron
and
tap
aprontofreeitfrom
table.
Remove
precision
measuring
equipment
from
table,ifso
equipped.
3.
FastenaU-clamp
to
center
of
table
and
at
tachtoa
crane
withaslight
tension.
Remove
gib (12B),
loosen
saddle
clamping
lever
(114B,
page
70)
and
slide
table
(11B)
toward
right
and
off
saddle.
If
tableisequipped
with
powerfeed,
itisfirst
necessary
to
remove
gear
housing
bracket
(144B,
page
72)
and
then
proceed
as
above.
Itisextremely
difficult
to
replace
an
apron
onto
leadscrew
without
damaging
the
oil
seal.
Itisbettertofirst
remove
seal,
install
apron
and
then
replace
seal.
Makearoll
of
thin
shim
stock,
slip
inside
seal,
put
shim
roll
on
endofscrew,
slide
seal
into
placeinapron
and
remove
shim
roll.
Publication
No.
M-2109
SERVICE
MANUAL
AND
PARTS
LIST
CATALOG
To
Remove
Table
Lead
Screw
(See Page 68.)
1.
Unscrew
split
type
lock
nut
(38B)
from
right
end
of
table
leadscrew
(2IB)
and
remove
handwheel
with
dial.
Remove
key
(22B).
2.
Move
table
to
right
so
left
apronisnear
sad
dle.
Remove
four
cap
screws
(18B)
from
left
apron,
placeatension
on
leadscrew
with
handwheel,
and
tap
aprontofreeitfrom
table.
3.
With
table
clamped
and
apron
in
place,
turn
leadscrew
inaclockwise
direction
out
of
table
nut.
Support
leadscrew
asitemerges.
There
is
less
chance
of
damaging
the
lead-
screwifleft
apron
was
removed
before
lead-
screw
was
taken
out.
See
last
paragraph
under
"To
Remove
Table,"
(page 19)
before
replacing
right-hand
apron.
If
tableisequipped
with
powerfeed,
itisfirst
necessary
to
remove
gear
housing
bracket
(144B, page 72)
[see
"To
Remove
Table
Powerfeed Housing] and then
proceed
as above
after
handwheelisreplaced
on
left
end.
Positive
stop
dogs
(272B,
273B,
page
76)
should
never
be
removed
from
table.
Their
functionisto
prevent
any
chance
of
ramming
table
aprons
against
knee
with
possible
damage
to
mechanism.
To
Remove
Table
Powerfeed
Housing
(See Pages
72,
74
and
76.)
1.
Unscrew
split
type
lock
nut
(220B,
page
74)
from
left
endoftable
leadscrew
(252B)
and
remove handwheel with dial
[see
Figure 20A.]
Remove
key
(250B)
and
split
ring
(221B).
2.
Remove
two
cap
screws
and
lift
top
housing
cover
(124B,
page
72),
with
cam
follower
(13IB),
off
gear
housing
bracket.
Drain
oil
from
bracket.
Before
replacing
cover
(124B),
unscrew
oil
filler
cap
(122B).
Set
reversing
clutch
(232B,
page
74) so
its
teeth
are
about
1/16"
into
en
gagement
with
teethofclutch
spur
gear
(229B)
and
set
trip
lever
(305B,
page
76)ina
neutral
position,
handle
(306B)
straight
out.
Have
concave
sideofcam
follower
(13IB,
page
72)
facing
squarely
toward
table
and
while
lower
ing
cover
into
bracket,
sight
through
nipple
(123B)toguide
pins
of
cam
follower
into
en
gagement
with
reversing
clutch
(232B,
page
74)
and
drum
cam
(293B, page 76). [See
Figure
20B.]
20:
FIGURE
20A
Removing
Handwheel
FIGURE2OB
Table
Powerfeed
Housing
with
Cover
Removed
3.
Take
out
screws
(138B, 136B,
page
72)
and
tap
gear
housing
bracket
(144B)
with
bearing
retainer
(225B,
page
74),
oil
seal
(226B)
and
bushing
(227B) off
mounting
apron
(128B,
page
72). [See
Figure
21A. ]
4.
Grasp
drum
cam
(293B,
page
76)
and
pull
shaft
(288B)
outofsegment
gear
(290B).
Pick
gear
outofspace
between
saddle
and
knee.
When
inserting
this
shaft,
hold
segment
gear
in
place
under
saddle
with
key
(287B),
tight
in
gear,
at
top.
Drum
cam
(293B)
should
be
clamped
to
shaft
with
set
screw
(282B)inline
with
center
of
keyway.
Slip
shaft
into
place
and
assemble
powerfeed
to
table.
Start
machine
and
move
table
right
and
left
by
actuating
trip
lever
by
table
dogs
while
under
power.
The
trip
lever
should
snap
over
at
the
same
point
on
each
feed
dog (27IB, 274B). If
trip
lever
(305B)
trips
sooner
off
right
table
dog—table
mov
ing
to
left—than
it
does
off
left
table
dog
when
movingtoright,
the
cam
(293B)
should
be
rotated
slightly
clockwise
on
shaft
(288B).
When
camiscorrectly
located
on
shaft,
swing
table
lever
(306B)tolefttorotate
camsohole
for
lock
screw
(281B)
is
vertical
and
spot
drill
shaft
to
take
lock
screw.
Replace
top
housing
cover
(124B,
page
72).
CINCINNATI
NO.
1
TOOLMASTER
MILLING
MACHINE
FIGURE
21A
Removing
Table
Powerfeed
Housing
To Dismantle
Table
Powerfeed
Housing
(See Pages
72
and
74.)
1.
Proceed
as
per
instructions
directly
above
under
"To
Remove
Table
Powerfeed
Housing.
"
2.
Loosen
slotted
round
head
screws
and
remove
cover
from
motor
(129B,
page
72).
Remove
four
cap
screws
(139B)
and,
by
tapping
on
round
head
screws
around
motor,
drive
motor
(with
key)
outofbracket.
When
installing
motor,
see
"To
Install
Table
or
Saddle
Powerfeed
Motor"
on
page
24.
3.
Remove
seven
screws
(165B)and
take
off
front
cover
(164B)
with
feed
levers.
Remove
split
rings
(176B
and
141B)
and
tap
spiral
gear
(174B)
out
rear
of
housing
bracket.
4.
Either
shaft
"A"
or
shaft
"C"
can
be
removed
any
time
as
described
below.
Itisnecessary
to
remove
both
"A"
and
"C"
shafts
before
"B"
shaft
canberemoved.
(See
Page
74)
To
remove
"A"
shaft,
drive
plug
(184B)
out
of
housing
by
tapping
from
inside
of
housing.
Remove
screw
(149B)
and
loosen
screw
(148B)
that
holds bushing (193B) in housing.
[These
screws
are
accessible,
when
cover
(164B)
is
removed
from
housing.]
Remove
split
ring
(185B).
Tap
shaft
(190B)
very
carefullytothe
right
to
loosen
and
remove
drive
gear
(186B).
[Drive
gear
(186B)iskeyed to shaft (190B).
Tap
shaft
lightlytoprevent
key
from
damaging
bushing.] Remove key (189B). Plug (194B)
and
bushing
(193B)
will
start
outofhousing
as
shaftismovedtoright.
Hold
split
ring
(188B)
open
and
continue
to
tap
shaft
(190B)
until
it
is
outofhousing.
21
FIGURE2IB
Table
Powerfeed
Housing-Front
Cover
Removed
5. To
remove
"C"
shaft,
drill
and
tap
plug
(218B)
for
1/4-20
threads
and
remove
plug.
Remove
screw
(149B)
and
loosen
screw
(148B)
that
holds
bushing
(217B) by
inserting
wrench
in
appropriate
drilled
passage
which
is
acces
sible
when
cover
(164B)
is
removed
from
housing.
Tap
outer
end
of
hole
in
bushing
(217B)
for
1/2-13
threads
and
remove
bushing
from
housing.
Pull
shaft
(213B)
through
right
endofhousing
until
split
ring
(207B)isagainst
cluster
"C"
gear
(215B).
Remove
split
ring
and
continuetomove
shaft
(213B)tothe
right
untilitis
outofthe
housing.
6.
Drill
and
tap
plug
(195B)
for
1/4-20
threads
and
remove
plug.
Tap
outer
endofbushing
(196B)
for
1/2-13
threads.
Remove
screw
(149B)
and
loosen
screw
(148B)
that
holds
bushing
(196B)inplace.
These
screws
are
accessible
through
bottom
of
housing.
Re
move
bushing
(196B).
Remove
drive
gear
shaft
(197B)
which
is
tapped
10-24
to
make
removal
easier.
Drive
reduction
gear
(199B)
and
spacer
(200B)
canbelifted
off
shaft
(197B)
asitis
removed.
Drill
and
tap
plug
(206B)
for
1/4-20
threads
and remove plug. Tap
right
end
of
shaft
(201B)
and
move
shaft
to
left; bushing (209B)
will
be
moved
to left,
also,
as
shaft
advances.
When
bushing
is
almost
outofhousing
rib,
tap
shaft
(20IB)
to
right
untilitis
clear
of
bushing.
Tilt
right
endofshaft
and
liftitfrom
housing
with
gears
(203B,
204B)onshaft.
To
Remove
Standard
Saddle
(See
Page
70.)
1.
Slightly
loosen
screws
through
long
and
short
side
clamps
(102B,
104B,
105B,
page
70).
These
clamps
are
designed
to
allow
clearance
between
knee
and
clamps.
Publication
No.
M-2109
SERVICE
MANUAL
AND
PARTS
LIST
CATALOG
2.
Remove
four
screws
(50B,
page
80).
Drill
and
tap
3/8"
straight
pin
(49B)
with
1/4-20
tap,
screw
12"
long
threaded
rod,
havinganut
at
outer
end
and
mounted
with
a
slidable
weight
into
pin
and
hammer
it
from
crossfeed
nut
(47B).
Pry
nut
outofgrooveinbottom
of
saddle.
3.
Remove
saddle
gib
(107B,
page
70).
Fasten
a
U-clamp
to
center
slotoftable,
attach
to
a
crane
and
slide
saddle
off
knee.
Overarm
and
turret
must
be
rotated
to
one
side
to
allow
room
for
crane
cable
to
connect
at
center
of
table.
To
Remove
Crossfeed
Screw
(See Page 80.)
1.
Unscrew
split
type
lock
nut
(63B)
and
remove
handwheel
with
dial.
Remove
four
cap
screws
and
lift
off
bearing
retainer
(55B).
Clamp
saddle
to
holditin
place.
2.
Replace
handwheel
on
crossfeed
screw
(52B)
and
turnitoutofright-hand
threaded
cross-
feed
nut
(47B).
To
Remove
and
Dismantle
Saddle
When
Table is Equipped
with
Powerfeed.
(See
Pages
70, 72,
74
and
76.)
1.
Proceed
as
per
paragraphs
1, 2
and3under
"To
Remove
Table
Powerfeed
Housing,"page
20.
Remove
clutch
(232B)
assembly
which
includes
the
following
parts:
Truarc
ring
(240B),
spacer
(228B),
bushing
(24IB),
spur
clutch
gear
(229B),
spacer
(230B),
Truarc
ring
(242B),
nylon
insert
(231B),
key
(251B),
reversing
clutch
(232B),
Truarc
ring
(233B),
spacer
(243B),
bushing
(234B),
spur
clutch
gear
(244B),
spacer
(245B)
and
Truarc
ring
(246B). [See page
74.]
Slide
shaft
(288B)
assembly
out
of
saddle.
This
assembly
includes
parts
(279B)
through
(288B), (292B)
through
(294B)
and
plug
(330B).
[See page
76.]
Loosen
screw
(326B,
page
74)in
bearing
re
tainer
(248B).
Remove
four
screws
(127B,
page
72)
and
push
table
away
from
apron
(128B).
Remove
table
gib
(87B,
page
70)
and
loosen
saddle
clamping
lever
(114B).
2.
Remove
precision
measuring
equipment
from
table
if
so
equipped.
Fasten
a
U-clamp
to
center
of
table
and
attach
toacrane
with
a
slight
tension.
Remove
table
from
either
end
of
saddle.
3.
Proceed
as
per
instructions
in
paragraphs
1
and
2
under
"To
Remove
Standard
Saddle,
"
:22:
page
21.
Rotate
turret
90°toswing
overarm
outofthe
way,
placearope
sling
around
ends
of
saddle,
attach
toacrane
and
slide
saddle
off
knee.
4.
Remove
detent
cover
(313B,
page
76),
screw
(325B),
loosen
set
screw
(324B)
and
pull
up
trip
plunger (305B). [Key (310B)istight in
detent (323B)]. Lift out detent (323B)and
rack
(320B).
Push
in
detent
plunger
(319B),
re
move
plug
(301B),
screw
(302B),
loosen
dog
point
set
screw
(303B)
and
ease
plunger
out
of
saddle—compression
spring
(318B)isstrong.
These
parts
could
all
be
removed
while
saddle
is
on
knee.
However,
to
remove
set
screw
(303B),itis
necessary
to
remove
table
first.
To
Remove
and
Dismantle
Saddle
Powerfeed
Housing
(See
Pages 82 Through
88)
1.
Remove
split
type
lock
nut
(264B,
page
88)
and
lift
off
handwheel
with
feed
dial
(253B).
[Remove key (236B). ] Remove
six
screws
(270B)
and
two
pins
and
lift
off
front
cover
(257B).
The
drive
into
gear
housing
is
from
motor-
driven
spiral
gear
(87B,
page
82)
through
gears
(155B,
page
84)
and
(158B)
into
shaft
"A".
Cluster
shifting
gear
(168B) on
"A"
shaft
meshes
with
either
of
gears
(149B)
or
(150B)on"B"
shaft,
depending
on
location
of
feed
lever
(118B,
page
82).
Gear
(177B,
page
84)
on
"C"
shaft
engages
with
either
gear
(147B)
or
large
or
small
gear
of (150B) on
"B"
shaft,
depending
on how
gear
(168B)
is
shifted
by
feed
lever
(131B,
page
82).
Gear
(177B,page
84)on"C"
shaftisalways
meshed
with
gear
(184B) on
"D"
shaft.
Clutch
spur
gear
(194B,
page
86)onshaft
"E"
and
revers
ing
gear
(142B,
page
84)on"F"
shaft
are
also
always
meshed
with
gear
(184B) on
"D"
shaft.
Clutch
spur
gear
(200B,
page
86) on
shaft
"E"
in
mesh
with
reversing
gear
(142B,
page
84)
rotates
in
the
opposite
direction
from
gear
(194B,
page
86)
alsoon"E"
shaft.
Thus,
the
drive
from
"E"
shaft
gear
(188B)—in
either
direction
depending
on
engagement
of
revers
ing
clutch
(197B)
continues
through
idler
gear
(261B,
page
88)
into
saddle
traversing
gear
(23IB)
and
crossfeed
screw.
2.
Loosen
roundhead
screws
around
motor
(101B,
page
82)
and
lift
off
motor
cover.
Re
move
four
screws
(93B)
and
tapping
on
round
head
screws,
remove
motor
(101B)
from
adapter
plate
(90B).
Remove
three
screws
(9IB)
and
adapter
plate
(90B).
When
installing
motor,
see
"To
Install
Table
or
Saddle
Powerfeed
Motor"
on
page
24.
CINCINNATI
NO.
1
TOOLMASTER
MILLING
MACHINE
3.
Drain
oil
from
bracket
through
plug
hole
(115B).
Remove
eight
screws
(128B)
and
lift
off
gear
cover
(HOB)
from
side
of
bracket.
Remove
detent
cover
(225B,
page
86),
loosen
screw
(213B),
pull
detent
pivot
pin
(223B)
and
drop
shaft
detent
(22IB)
from
engagement
with
shifting shaft (203B).
[The
pivot piniscase
hardened
and
it
may
be
necessary
to
unbolt
rear
bracket
(217B)
and
rotateittobeable
to
get behind pivot pin and
drive
it out. ]
Drive
taper
pins
from
positive
stop
blocks
(207B
and
210B)
and
loosen
clamp
screws
(215B) to
release
adjusting
stop
blocks
(209B).
Pull
shifting
shaft
(203B)
from
bracket.
Remove
cap
screws
and
lift
gear
housing
bracket
(103,
page
82)
away
from
knee.
4.
Remove
split
ring
(144B,
page
84)
and
drive
"F"
(HOB)
shaft
outofbracket.
Drive
shaft
"D"
(182B), with
seal
plug
(181B),
forward
outofbracket.
Remove
set
screws
that
fasten
bronze
bushing
(190B,
page
86)
into
bracket
and
drive
"E"
shaft
assembly
forward
and
outofbracket.
5.
Drill
and
tap
plug
(163B,
page
84)
for
1/2-20
thread
and
pullitoutofbracket.
Remove
set
screws
that
hold
bushing
(165B) in
housing.
Push
spring
retainer
(16IB)
to
compress
spring
(160B)
and
remove
Truarc
retainer
(162B). Slowly
release
spring
tension
and
re
move
spring
retainer
(161B),
spring
(160B)
and
safety
clutch
(159B).
Through
plug
(163B)
opening,
tap
endofshaft
(167B)
lightlytodrive
shaft
outofbracket.
Plug
(164B)
will
drive
outofhousing
aheadofbushing
(165B).
Gear
(158B) and bushing (172B) will
fall
into housing
as
they
clear
the
shaft.
6.
Drive
sealing
plug
(94B,
page
82)
into
gear
housing
bracket
and
force
spiral
gear
shaft
(87B)
assembly
outofbracket
toward
motor
side.
7.
Drive
sealing
plug (180B,
page
84) into
gear
housing,
remove
locking
set
screws
from
bushing
(174B)
and
tap
shaft
"C"
(175B)
out
front
of
bracket.
Drill
and
tap
sealing
plug
(157B)
for
1/4-20
threads
and
pullitoutofbracket.
Tap
outer
endofbushing
(156B)
for
1/2-13
threads
and,
after
removing
two
locking
set
screws,
pull
it
outofbracket.
Pull
out
cluster
gear
shaft
(152B) and
remove
drive
gear
(155B). Re
move
two
locking
set
screws
from
bushing
(146B),
drive
"B"
shaft
toward
front
of
brac
ket
until
shaftisfree
of
rear
bushing,
then
angleitwith
gears
(149B, 150B) in
place,
out
of
bracket.
23:
To
Remove
Elevating
Crank
Shaft
(See
Page
80.)
1.
Remove
3/8-16
center
screw
(80B)
and
re
move
crank.
Drive
out
taper
pin
and
remove
elevating
crank
clutch
(78B).
Remove
bearing
retainer
(8IB).
2.
Screwa3/8-16
threaded
rod,
mounted
with
a
slidable
weight
and
havinganutatits
outer
end,
into
endofelevating
shaft
(72B)and
ham
mer
shaft
forward
far
enough
to
pull
roller
bearing
(68B)
out
of
support
bracket
(6B).
Remove
support
bracket
from
side
of
knee.
3.
Remove
screw
(66B)
and
inner
raceofbearing
(68B). [Outer
race
stayed in support bracket.]
Loosen
set
screw,
taptoloosen
shoe
under
it;
remove
locknut
(69B)
and
spiral
gear
(70B)
from
inner
endofelevating
shaft.
Pull
shaft
(72B)
outofknee.
To
Remove
Elevating
Screw
and
Pedestal
(See Page
78)
1.
Proceed
as
per
instructions
on
page
21,
under
"To
Remove
Standard
Saddle.
"
2.
Run
knee
up
near
its
topmost
position.
Re
move
four
cap
screws
(14B)
from
base
and
tap
base
to
loosen
two
straight
3/8"
pins
(12B).
Clamp
knee
and
placeawood
block
underitnexttocolumn.
Turn
elevating
crank
and
raise
elevating
screw
pedestal
(11B).
[Figure
23.]
3.
Remove
steel
plug
(2IB)
and
shoe
type
lock
nut
(22B)
from
top
of
elevating
screw
(32B).
Blockupto
withinafew
inchesofpedestal
and
tap
elevating
screw
down
outofknee.
FIGURE
23
Removing
Elevating
Screw
Publication
No.
M-2109
SERVICE
MANUAL
AND
PARTS
LIST
CATALOG
To
Remove
Knee
(See
Page
78)
1.
Proceed
as
per
instructions
on
page21under
"To
Remove
Standard
Saddle";
as
per
instruc
tions
above
under
"To
Remove
Elevating
Crank
Shaft."
2. Rotate
turret
(257B, page 36) 90° on column.
Remove
steel
plug
(2IB,
page
78)
and
shoe
type
lock
nut
(22B)from
top of
elevating
screw
(32B).
Placearope
sling
around
front
and
back
of
knee.
Remove
knee
gib
(2B).
Lift
knee,
while
tapping
the
topofelevating
screw
(32B),
straight
up off
column
ways.
To
Dismantle
Shaping
Attachment
(See Pages 96
and
98.)
Although
this
attachment
can
be
easily
removed
after
clamp
screws
(80B)are
loosened,itis
easier
to
dismantle
if
left
on
the
overarm.
1.
Loosen
three
screws
(37B),
drop
motor
and
remove
drive
belt
(44B).
Remove
screws
(37B)
and
lift
motor
(34B) off
attachment.
Remove
four
screws
(45B)
and
lift
off
belt
housing
(40B).
2. Remove hexagon nut (81B). Loosen gib (117B)
by
unscrewing
top gib
screw
(104B)
and
tight
ening bottom gib
screw.
Rotate
crank
(109B)
so
tee
slotishorizontal,
remove
left
(101B)
and
right
(118B)
clamps
and pull slide (8B)
with
assembled
pitman
(76B)
straight
away
from
slide
housing
(102B)
and
off
tee
bolt
(85B).
3.
Remove
1/4"
pipe
plug
(89B)
from
bottom
of
drive
gear
housing (62B) and
1/4"
set
screw
(113B)
from
worm
wheel
(114B).
Remove
drive
housing
cover
plate
(70B),
capstan
nut
(68B)
and
pull
crank
(109B)
outofits
housing.
4.
Remove
taper
pin
(99B)
and
unscrew
hexagon
nut
(98B).
Remove
small
oil
seal
housing
(95B)
from
gear
housing.
Remove
two
set
screws
and
pull
off
driven
sheave
(50B). Re
move
large
oil
seal
housing
(53B).
Loosen
locking
set
screw
in
nut
(55B),
tap
screw
to
loosen
lock
shoe
under
it
and
loosen
nut.
Tap
worm
shaft
(61B)
slightly
to
right,
re
move
Truarc
ring
(93B)
and
drive
worm
shaft
to
left
outofhousing.
Unscrew
three
hexagon
nuts
(88B)
and
pull
slide
housing
(102B)
away
from
gear
housing
(62B).
When
assembling,
attach
slidetohous
ing
while
housing
is
upside
down.
Thus,
any
sag
that
might
occur
in
O-ring
(115B), to be
cut
as
slide
is
pushed
onto
boss
of
housing,
willbeon
top
when
attachment
isinplace.
To
Install
Table
or
Saddle
Powerfeed
Motor
When
installing
table
or
saddle
powerfeed
motors,
always
be
sure
there
is
clearance
between
the
armature
and
field
laminations
as
showninFigure
24.
Check
the
periphery
because
the
fields
or
the
armature
shaft
(or
both)may
be
slightly
outofline.
If
necessary,
the
armature,
a
press
fit,
can
be
pulled
to
obtain
the
correct
clearance.
Adjust
minimum
clearance
to
0.015".
Do
not
bump
or
press
armature
while
installing
motor
or
the
minimum
clearance
will
be
changed.
FIELD
COIL
^-LAMINATED
POLES
FRAME
OIL
SEAL
MOTOR
SHAFT
=
24
ARMATURE
-ADJUSTTO.015"
MINIMUM
FIGURE
24
Publication
No.
M-2109
-
I
r
I
r
"
CINCINNATI
NO.
1
TOOLMASTER
MILLING
MACHINE
KEY
NUMBER
INDEX
UNIT
NAME
DRAWING
NAME
KEY
NOS.
PAGE
NO.
KEY
NUMBER
OF
OTHER
UNITS
Motor—Drive
Sleeve—Jack
Shaft
1B-51B
304B-305B
29
6JM-42B
Housing
and
Spindle,
Style
1-A
52B-114B
31
Housing
and
Spindle,
Style
1-B
115B-173B
33
HIGH
SPEED
HEAD
Pinion
Shaft-Spiral
Gear
Shaft
Style
1-B
174B-221B
35
AND
OVERARM
(Unit
6JJR)
Double
Swivel
Adapter
Style
1-A,
Style
1-B
Overarm
222B-238B
37
Turret
(All
Machines)
239B-263B
6JNN-261B
6JNN-262B
Craley
Head—Collets—Chucks
264B-289B
39
290B-303B
41
Heavy
Duty
Overarm
and
Motor
1B-48B
43
6JM-35B
Heavy
Duty
Control
Mechanism
49B-99B
45
HEAVY
DUTY
HEAD
Heavy
Duty
Drive
Shafts
100B-148B
47
AND
OVERARM
(Unit
6JJS)
Spindle
and
Housing,
Hand
Feed
to
Quill,
Single
Swivel
149B-199B
49
Spindle
and
Housing,
Without
Hand
FeedtoQuill,
Single
Swivel
Drive
to
Head
200B-236B
269B,
272B
51
Double
Swivel
Housing
237B-268B
270B,271B
53
1-D
Motor
Housing
and
Vari-Speed
Drive
1B-99B
55
6NN-59B
VARI-SPEED
HEAD
1-E
Motor
Housing
and
Vari-Speed
Drive
100B-146B
57
AND
OVERARM
(Unit
6JKV)
Motor
Housing
Base
and
Spindle
147B-213B
59
Power
Feed
Housing
214B-299B
61
Power
Feed
Gearing
300B-354B
63
Manual
Feed
Gear
Housing
and
Micrometer
Depth
Stop
355B-411B
65
Spindle
Housing
and
Overarm
412B-471B
67
Table
and
Leadscrew
with
or
without
Powerfeed
1B-56B
69
6JP-1B
thru
6JP-6B;
6JP-8Bthru
6JP-10B
Saddle
with
or
without
Power-
feed
58B-115B
71
SADDLE-TABLE
(Unit
6JH)
Table
Powerfeed
Gear
Housing
116B-183B
73
Powerfeed—Gearing
and
Lead-
screw—Table
184B-269B
326B-329B
75
Powerfeed
Drive
Shaft
and
Saddle
270B-325B
330B
77
25-
Publication
No.
M-2109
SERVICE
MANUAL
AND
PARTS
LIST
CATALOG
KEY NUMBER INDEX (Cont'd)
UNIT
NAME
DRAWING
NAME
KEY
NOS.
PAGE
NO.
KEY
NUMBER
OF
OTHER
UNITS
Knee
and
Elevating
Screw
1B-44B
79
Cross
Feed
Screw
and
Elevating
Shaft
45B-86B
81
KNEE
(Unit
6JK)
Powerfeed—Gear
Housing
Bracket—Knee
87B-139B
83
Powerfeed—Gearing—Knee
140B-186B
85
Powerfeed-"E"
and
Shifter
Shafts—Knee
187B-229B
87
Powerfeed—Cross
Feed
Screw
and
Front
Cover—Knee
230B-275B
89
COLUMN
(Unit
6JC)
COOLANT
PUMP
AND
PIPING
(Unit
6JP)
Column
and
Coolant
Pump
1B-45B
91
6JNN-8B;
6JNN-10B;
6JNN-11B
PRECISION
MEASUR
ING
EQUIPMENT
(Unit
6JJL)
Precision
Measuring
Attachment
Longitudinal
Movement
Cross
Movement
1B-53B
93
Precision
Measuring
Attachment
Vertical
Movement
54B-82B
95
SHAPING
ATTACHMENT
Shaping
Attachment
1B-49B
97
6JM-34B
(Unit
6JHF)
Shaping
Attachment
50B-119B
99
PLAIN,
SWIVEL
AND
UNIVERSAL
VISES
Plain
and
Swivel
Vise
1B-69B
101
(Unit 6JKA)
Universal
Vise
INDEX
HEAD
AND
TAILSTOCK
Tailstock
70B-94B
103
(Unit 6JKA)
Index
Head
95B-170B
Machine
Instruction
Plates
1B-12B
105
26-
Publication
No.
M-2109
CINCINNATI
NO.
1
TOOLMASTER
MILLING
MACHINE
HOW
TO
ORDER
REPAIR
PARTS
You will receive quicker
and
better
service when ordering repair
partsifyou
will adhere to
the
following
instructions
when
ordering
such
replacements.
These
four
requirements
are
essential:
1.
State
amount
wanted.
2.
Give catalog key number, part number and name of part. If ordering parts by part num
ber, please advise where the number was obtained. (See paragraph A, below.)
3.
Give
complete
serial
numberofmachine.
(This
number
will be
found
stamped at top of
column front face between dovetail ways. See Figure 4B)
4. Specify how and where to ship. (See paragraph B, below.)
Paragraph
A
When ordering parts by number, kindly
advise
howthe number was obtained, namely:
Number
stamped
on
part.
Prior
Invoice.
Parts List Catalog. (Give identification and publication numbers on front cover.)
Paragraph
B
Do not say, "Ship quickest way." Be definite and state agency desired, that
is—Air
Mail,
Parcel
Post (Special Delivery),
Parcel
Post (Regular),
Express,
MotorFreight, Rail Freight,
etc.
Specify each individual piece that is required in the order. If only certain parts of a unit
are required, never use the word "complete"; it always raises a question as to how much
of a
unittosupply.
However,insome
cases,
due
to the nature of the part, it
willbenecessary,
and
less
costly
to you, for us to supply additional related pieces, especially if
part
wanted is obsolete.
27
Publication
No.
M-2109
121EEE
122
EEE
SERVICE
MANUAL
AND
PARTS
LIST
CATALOG
MOTOR-DRIVE
SLEEVE-JACK
SHAFT
STYLES
1-A
and
1-B
28
CINCINNATI
NO.
1
TOOLMASTER
MILLING
MACHINE
WHEN
ORDERING
PARTS,
give
key
number,
part
name
and
part
number.
Be
suretogive
complete
serial
number
for
your
machine.
For
complete
instructions,
see
Page
27,
"HowtoOrder
Repair
Parts."
HIGH
SPEED
HEAD
AND
OVERARM
-
UNIT
No.
6JJR
STYLE
1-A
AND
1-B
Key
No.
Part
No.
Part
Name
Amt.
Used
Key
No.
Part
No.
Part
Name
Amt.
Used
6JJR-1B
3210
143278
160028
153091
148189
2354
2331
3371
161369
3636
153817
161796
161797
143275
3228
2354
3218
3266
143207
169435
161366
161364
161314
143209
143210
3266
143209
4
4
1
6JJR-27B
6JJR-28B
6JJR-29B
6JJR-30B
6JJR-31B
6JJR-32B
6JJR-33B
6JJR-34B
6JJR-35B
6JJR-36B
6JJR-37B
6JJR-38B
6JJR-39B
6JJR-40B
6JJR-41B
6JM-42B
6JJR-43B
6JJR-44B
6JJR-45B
6JJR-46B
6JJR-47B
6JJR-48B
6JJR-49B
6JJR-50B
6JJR-51B
6JJR-304B
6JJR-305B
143256
864
166492
143211
3540
176299
3404
165707
143231
143230
169433
169434
143230
2354
3228
150733
143277
143205
143234
143233
3229
2332
178273
679
3204
161794
161795
171506
171505
Spacer-Spindle
Drive,
Style
1-A
. . .
Key
6JJR-2B
Plate-Adapter,
Motor,
High
Speed
Head
Style
1-Aor1-B,
with
900or1200
RPM
Motor
Sleeve
Geaf-Drive,
(Style
1-B
Only) . . . .
Pin
(Style
1-B
Only)
6JJR-3B
Belt-Vee
6JJR-4B
6JJR-5B
6JJR-6B
6JJR-7B
6JJR-8B
Key
6JJR-9B
6JJR-10B
Belt-Spindle
Drive
•.
Pin
Shaft-Jack.
6JJR-11B
Housing-Bearing
Style
1-A
6JJR-12B
Style
1-B
Motor-Spindle,
High
Speed
Head
Style
1-Aor1-B—For
Spindle
Speed:
108 to 2825 RPM,
3/4H.P.,
900 RPM.
140 to 3800
RPM,
1 H. P. , 1200
RPM
.
215 to
5650
RPM,
1 H.P.,
1800
RPM
.
6JJR-13B
6JJR-14B
Cup - Oil
(Style
1-B
Only)
Screw
6JJR-15B
6JJR-16B
6JJR-17B
6JJR-18B
6JJR-19B
Sheave-Motor
Drive
Nut-Lock
Stud-Jack
Shaft
6JJR-20B
6JJR-21B
6JJR-22B
Bearing-Ball
Pin-Slide
Key
2
2
6JJR-23B
4
6JJR-24B
1
1
2
6JJR-25B
6JJR-26B
Bearing-Ball
2
•29--
Publication
No.
M-2109
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