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
Item
Capable if:
Check/Service
No.
Check sprocket teeth for wear by
Drive Sprockets
Semiannual
32
looking at undercut on sprocket (un-
Left and Right
dercut is located on two teeth).
Sides)
Sprocket teeth are excessively worn
- Continued
if wear has reached bottom of under-
cut.
If sprocket is not equipped with un-
dercut indicators, use wear gage
(Item 28, Chapter 3, Section I) to
measure wear on driving side of
sprocket teeth. If sprockets have
been reversed, use side "B" of gage.
If not, use side "B" of gage. Place
wear gage over two mounting bolts
and check for wear. Sprocket teeth
are excessively worn if wear has
reached bottom of any notch on
gage.
Sprocket teeth are
If sprocket teeth are excessively
excessively worn
worn, reverse or replace sprocket
on both sides.
(page 14-72).
3-41
Change 4
