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 TM 55-1905-217-34
4. Turn the reverse gear housings and adapter plate over and rest the rear face of the
adapter plate on the wood blocks.
5. Tap evenly around the back side of the reverse gear housing with a plastic hammer
to loosen the reverse gear housing from the adapter plate. Then, lift the reverse gear housing
straight up away from the adapter plate.
(r) With the reverse gear drive shaft removed from the reverse gear housing, unhook the ends
of the three oil seal rings. Slide each ring off the forward end of the drive shaft, as shown in figure 3-91.
Figure 3-91. Removing oil seal rings from reverse gear drive shaft.
CAUTION
Do not spread the seal rings more than necessary to slip them over the shaft to
avoid breakage.
(s) Move the two drive shaft thrust washer forward on the drive shaft, to expose the rear thrust
washer snap ring. Remove the snap ring from the drive shaft with a pair of snap ring pliers. Slide the
two thrust washers off the end of the drive shaft.
(t) If the oil transfer sleeve (8, figure 3-88) in the reverse gear housing is worn excessively or
damaged, it should be removed as outlined below:
1. Support the reverse gear housing on the bed of a hydraulic press. The forward face
of the reverse gear housing must be facing down.
2. Place a 2 1/2 inches O.D. brass bar approximately 4 inches long on top of the oil
transfer sleeve and under the ram of the press.
3. Bring the ram of the press down on the brass bar and force the oil transfer sleeve
out of the gear housing. Catch the oil transfer sleeve and brass bar by hand to prevent them from falling
on the floor.
(u) If the reverse clutch drive pins (16, fig. 3-89) in the inner face of the reverse gear housing
are damaged or worn excessively, they should be removed as outlined below:
1. Place a scribe mark along one side of each clutch drive pin on the gear housing to
use as a guide when replacing the drive pins.
2. Attach a suitable slide hammer and a 5/16 inch-18 adapter to the drive pin.
Remove the drive pin with a few sharp blows against the shaft handle with the weight.
3. Remove the two remaining drive pins in the same manner.
(2) Flywheel and Forward Clutch
(a) Remove fourteen of the sixteen bolts (11, fig. 3-92) and lock washers securing the forward
clutch drive plate (5) to the flywheel.
3-125
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