Table 2-2. Unit Preventive Maintenance Checks and Services (PMCS) for the M915 Family of Vehicles (Cont).
Item to Check/
Not Fully Mission
Check for looseness or side play in
front and rear drivelines. There
should be no play at U-Joints. Check
for bends, cracks, and missing
weights. Make repairs as needed
Check that U-Joint mounting screw
torque is 33-38 lb-ft (44-52 N.m).
Inspect for loose or worn bearings,
damaged seals, and damaged or
missing grease fittings. Make repairs
as needed (page 4-385).
Using a hand-type grease gun,
lubricate five grease fittings (36) at
each driveline with grease (Item 14,
Appendix C) until purging takes place
at air hole in the end of the slip yoke.
Cover pressure relief hole while
Inspect for damaged or leaking input
or output shaft seals (37). If damaged
or leaking, notify Direct Support
Change 3 2-18.19