TM 5-5420-202-20-1
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-
Continued
Location
Not Fully Mission
Procedure
Item to
Interval
Capable if:
Check/Service
No.
Any nuts missing
Check that final drive hub mounting
Sprocket Hub
Semiannual
31
or loose.
nuts are tight. Do not tighten loose
Left and Right
mounting nuts, replace them.
Sides)
Mounting holes
Check that mounting holes are not
are out of round.
egg-shaped (out of round). Shiny
areas next to mounting nuts indicate
out of round holes.
Use a 0-600 lb-ft torque wrench to
tighten replacement nuts to 450-470
lb-ft (610-637 Nm).
Any class III
Visually check final drive output
leak.
seal for leaks by inspecting lower
part of inboard side of drive sprocket
for evidence of oil. If oil is present,
notify support maintenance final
drive seal is defective.
C h a n g e 4 3-39