TM 5-5420-202-20-1
P r e v e n t i v e Maintenance Checks and Services for M60A1 AVLB Hull-
Continued
Location
Item
Interval
Item to
Procedure
Not Fully Mission
Check/Service
No.
Capable if:
32
Drive Sprockets
Semiannual
Move vehicle as needed to perform
(Left and Right
sprocket checks.
Sides)
Visually check that nuts for both in-
side and outside sprockets have not
backed off mounting bolts. (Each bolt
should stick out of nut about same
distance.)
Do not tighten loose nuts and bolts,
Any nuts are
replace them. When replacing nuts
missing or loose.
and bolts, also replace tapered bush-
ings. Lightly lubricate replacement
bolts and thread into hub through
bushings into sprocket. Tighten bolts
to 140-190 lb-ft (190-257 Nom). Tight-
en replacement nuts to 115-165 lb-ft
(156-224 Nm).
3-40
Change 4
