P r e v e n t i v e M a i n t e n a n c e C h e c k s and Services for M60A1 AVLB Hull -
Not Fully Mission
check engine compartment for oil,
grease, sand and dirt.
Clean engine compartment to remove
all oil, grease, sand, and dirt.
Final Drive (Left
Visually check final drive input seal
Any class III
for leaks by inspecting the area be-
low the final drive adapter for
evidence of oil.
If there are signs of leaks, seal is
Use 0-600 lb-ft torque wrench, check
that final drive mounting nuts are
tightened to at least 460 lb-ft
Do not tighten loose nuts, nuts not
meeting torque requirements are to
be discarded and replaced. Tighten
replaced nuts to 460-500 lb-ft
If equipped, replace air pressure re-
lief valve (page 12-6).