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Section 132—Inspection and Repair
23
132. INSPECTION
AND
REPAIR.
Inspection of the transmission must cover the following 9 items.
a, Gears. Replace all gears which have broken or chipped teeth
or broken splines. Replace gears that rotate on a shaft and the inside
diameter is excessively worn.
b. Shafts. Replace a shaft that has broken or damaged splines or
teeth. Replace a shaft if the bearing surface is scored or excessively
worn,
c. Bearings. Replace a bearing if it is scored or pitted or if any
rollers are missing.
d. Bearing
Cups. Replace any bearing cups that are scored or
pitted.
e. Thrust Washers. Replace cracked or broken thrust washers.
f. Bearing
Retainers.
Replace
cracked
or damaged
bearing
retainers.
g. Shift Forks. Replace damaged or broken shift forks or one
on which the threads are stripped.
h. Shift Lever. Replace a damaged shift lever.
i. Transmission
Cover.
Replace the transmission cover if it is
damaged or if the bracket rivets are loose.
133. ASSEMBLY.
Assembly of the transmission
includes the assembly of the sub-
assemblies and of the transmission itself. Make sure that all parts are
in a serviceable condition before assembly.
a.
Main
Shaft
Assembly.
To assemble the main shaft, press the
rear thrust washer and bearing on the shaft (fig. 11). Install the first
gear (60T) on the shaft with the coupling teeth facing toward the
front of the shaft. Install the coupling and sliding coupling on the
shaft. Install the third gear (52T) on the shaft with the coupling
teeth facing toward the coupling. Install the second (56T) and fourth
gears (39T) on the shaft with the long end of the hubs touching each
other. Install the thrust washer and bearing on the shaft.
b. Countershaft Assembly. Press the bearing on the rear of the
shaft (fig. 12). Install
the power take-off hub, flat washer, lock
washer, and cap screw.
Install the countershaft
second
gear (18T)
on the shaft, with the coupling teeth facing toward the front of the
shaft. Press the countershaft coupling on the shaft with the sleeve
end facing toward the front of the shaft. Install the sliding coupling.
Install the fourth gear (36T) on the coupling sleeve. with the coupling
teeth on the gear facing towards the rear of the shaft. Press the
countershaft gear (55T) on the shaft with the long end of the hub
facing towards the rear of the shaft. Press the bearing on the shaft.
3730-47J
§ 133. b.
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