TM 5-3810-300-24 & P2
9. Gear Shift Lever Housing Assembly
A. Check spring tension on shift lever.
Replace
tension spring and washer if lever moves too freely.
B. If housing is dismantled, check pivot pin and
corresponding slot in lever for wear. Replace both
parts if worn. If so equipped, check O-ring in
housing for wear or cracks.
10. Bearing Covers
A. Check covers for wear from thrust of adjacent
bearing. Replace covers worn and grooved from
thrust of bearing outer race.
B. Check bores of covers for wear. Replace those
worn oversize.
11. Oil Return Threads and Seals
A. Check oil return threads in front bearing cover. If
sealing action of threads has been destroyed by
contact with input shaft, replace the cover.
B. Check oil seal in mainshaft rear bearing cover. If
sealing action of lip has been destroyed, replace
seal.
12. Synchronizers
A. Check high and low range synchronizers for burrs,
uneven and excessive wear at contact surface.
B. Check blocker pins for excessive wear or looseness.
C. Check synchronizer contact surfaces on the high
and low range gears for excessive wear.
13. Sliding Clutches
A. Check all yokes and yoke slots in sliding clutches for
extreme wear or discoloration from heat.
B. Check engaging teeth of sliding clutches for partial
engagement pattern.
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