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 to
Item
Interval
Procedure
Not Fully Mission
No.
Check/Service
Capable if:
19
Semiannual
Compensating
Check for crushed or defective road-
Idlerwheels,
wheel arm inner and outer bearings
Roadwheels, Arms
at inside of roadwheel as follows:
and Hubs (Left
and Right Sides)
- Continued
Using a 3/4 inch socket and socket
Socket will not fit
wrench, check that socket fits on top
or is very difficult
three bolts of roadwheel arm of re-
to fit any top
tainer. If bearings are damaged or
three bolts.
defective, socket will not fit or will
be a very difficult fit.
Looking straight-on at the roadwheel
arm, check the gap between the
roadwheel arm retainer and the
roadwheel arm spacer. Gap should
be equal (approximately 1/4in)
(0.635 cm) all the way around. If
gap is smaller at top and greater at
bottom, check for bearing damage,
bearing dislocation, or a loose bear-
ing assembly retainer nut. Correct
defect. Clean grease from seal assem-
bly. Clean lubricant pressure relief
fitting using a clean, lint-free, dry
cloth.
3-26
Change 4
