ALLIS-CHALMERS
Paragraphs 187-188
14 13 12
fig.
ACBl—Modmh
RC,
WC and WF torque fvbe and drive pinion assembly without trac-
tlon releage coupling. Model RC i$ not provided with Mtraddle-mounted bearing (7).
2.
Cork seal
3.
Drive pinion
4.
Rear bearing inner
race snap ring
5.
Bearing retainer
6. Retainer rivet
7.
Drive pinion rear
bearing (not on EC)
8. Differential carrier
9. Pinion bearing cage
10.
Bearing adjusting
nut
12.
Power lift worm
13.
Snap ring
14.
Worm key
21
20
19
fig. AC82'~Models
ftC
and WC torqy tube and drive pinion assembly with traction r«-
lease coupling. Model RC is not provided with straddle-mounted pinion bearing (8).
1.
Torque tube
2.
Worm key
3.
Detent ball
4.
Shifter cover
6. Cork seal
6. Bearing retainer
7.
Rear bearing inner
race snap ring
8. Drive pinion rear
bearing (not on RC)
9. Drive pinion
10.
Differential carrier
11.
Pinion bearing cage
12.
Adjusting nut
13.
Adjusting nut lock
14.
Intermediate shaft
bearing
15.
Thrust washers
16.
Shift coupling
17.
Detent ball spring
18.
Power lift worm
19.
Intermediate shaft
20.
Worm spacer
21.
Gear thrust washer
axle and torque tube assembly back-
ward until clear. Remove screws (Z)
retaining torque tube (1—Fig. AC81)
to differential carrier (8) and slide
torque tube off pinion shaft. Main drive
bevel pinion shaft and bearing cage
assembly can now be withdrawn from
the carrier.
187.
To disassemble pinion shaft as-
sembly, remove front snap ring (13)
and press worm gear off shaft. Remove
worm gear key (14), rear snap ring,
bearing adjusting nuts (10) and ad-
justing nut lock (11). Bump pinion
shaft (3) rearward through bearing
cage (9), removing front bearing cone
from front of cage. Rear bearing cone
can be pressed off shaft and bearing
cups can be driven out of bearing
cage.
Rear pinion bearing (7) can be
removed from WC and WF tractors
after removing the differential.
Reassembly is reverse of disassem-
bly. Adjust pinion bearings by tight-
ening adjusting nuts until all bearing
play is eliminated, but without bind-
ing pinion shaft. Renew cork seal (2)
when reinstalling assembly.
Mttdel WC (With Traction Release
Coupling Effective WC74330)
188.
To remove torque tube, support
rear of tractor frame and detach rear
axle housing from end of each frame
side rail. Roll axle and torque tube
assembly backward until clear. Re-
move coupling shift lever cover (4—
Fig. AC82) from torque tube. Remove
screws and nuts (Z) retaining torque
tube (1) to the differential carrier
(10) and slide torque tube off shaft.
Intermediate shaft assembly can be
removed from pinion shaft (9). After
the bronze thrust washer (21) and
sleeve spacer (20) are removed from
shaft, the power lift worm gear (18)
and key can be removed. Needle bear-
ing (14) and steel and bronze thrust
washers (15) can be removed from
pocket in rear end of intermediate
shaft (19). Splined collar (16) can be
Pig. AC83-Model WD engine power line
distribution to the various units. Model
WD4S is
similar.
A. Engine clutch housing
B.
Torque tube
C. Transmission
&
differential
housing
1.
Engine clutch
2.
Engine clutch shaft
3.
Belt pulley drive gear
4.
Hydraulic pump drive
5.
PTO drive gear
6. Transmission clutch
7.
Transmission clutch shaft
8. Bevel pinion shaft
9. Bevel ring gear
10.
PTO extension shaft
11.
Countershaft
12.
PTO intermediate drive gear
13.
PTO gear housing
14.
PTO gear
1
2 3 4 5 6 7
B
14 13 12
53
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