ALLIS-CHALMERS
Paragraphs 191-193
fig.
AC8&-Models
WD and
WD45 power
tafce-off drive intermecfiafe gear and
shaft.
1.
Thrust washer
(rear)
2.
Roller hearing
6. Shaft
7. Shaft set screw
8. Thrust washer
(front)
9. Spacer
12.
Intermediate
sear
mission housing from torque tube.
PTO Gears. Removal of power take-
off drive gear (5) requires detach-
ing transmission housing from
torque tube and removal of trans-
mission clutch.
Removal or overhaul of power
take-off intermediate drive gear
(12) requires detaching transmis-
sion housing from torque tube and
detaching torque tube from clutch
housing and removal of hydraulic
lift pump and transmission clutch.
B.P,
Drive
Gear.
Removal
of
belt
pulley drive gear (3) (located near
forward end of clutch shaft) re-
quires removal of engine clutch
shaft.
191.
R&R
TORQUE
TUBE.
First
drain torque tube housing. Disconnect
clutch pedal rod, brake rods and tail
light wire. Remove battery, battery
carrier, power take-off shaft and hy-
draulic pump unit. Disconnect hy-
draulic lift arms. Remove steering
post-to-transmission retaining cap-
screws.
Block up and support tractor
under rear portion of frame. (Engage
transmission clutch to facilitate re-
installation of transmission drive
shaft).
Support torque tube and trans-
mission with a wheel type jack and
remove torque tube-to-clutch housing
retaining bolts. Roll transmission and
torque tube assembly rearward and
away from tractor. Support transmis-
sion and torque tube separately and
detach torque tube from transmission.
192.
ENGINE CLUTCH SHAFT.
SEALS,
BEARINGS AND BELT PUL-
LEY DRIVE GEAR. Removal of engine
clutch shaft (2-Fig. AC84) and/or re-
newal of the clutch shaft rear oil seals
or bearings, requires removal of torque
tube as outlined in preceding para-
graph.
For models equipped with a trans-
mission clutch and power take-off
unit proceed as follows: Remove the
torque tube. Unbolt and remove the
transmission clutch from the gear (5).
Remove snap ring and bump gear (5)
from shaft. Bump engine clutch shaft
forward (towards engine) and out of
torque tube.
Clutch shaft single or double rear
oil seal (13) can now be renewed as
per Fig. AC85. The clutch shaft front
oil seal (9) can be renewed at this
time after removing the clutch hous-
ing lower inspection plate and release
bearing guide sleeve. Install front oil
seal with lip facing transmission.
Belt pulley drive gear (3) and clutch
shaft front bearing (12) can be re-
newed at this time after removing the
snap ring and pressing gear and bear-
ing from shaft.
Running clearance of transmission
main shaft bronze pilot bushing (B—
Fig.
AC84) (located in rear end of
clutch shaft) should not exceed .005.
193.
PTO
DRIVE
GEARS.
Removal
of drive gear (5) requires detaching
transmission from torque tube and
removal of transmission clutch. Re-
move power take-off gear retaining
snap ring (6) and bump gear from
shaft.
Removal of power take-off inter-
mediate drive gear (12—Fig. AC
86) requires torque tube, removal.
Remove intermediate gear shaft re-
taining set screw (7) (located on out-
side of torque tube) and bump shaft
(6) forward. Remove shaft through
hydraulic pump opening in torque
tube.
Intermediate gear thrust wash-
ers (1 & 8) and spacer (9) are removed
through opening in lower side of
torque tube.
MODEL
"B"
S5
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