TM 5-5420-202-20-1
P r e v e n t i v e Maintenance Checks and Services for M60A1 AVLB Hull- Contin-
ued
Location
Procedure
Item to
Item
Interval
Check/Service
No.
Check that grease fitting, pressure
21
Semiannual
Grease Actuated
relief valve, and plug are not dam-
Track Adjusting
Links (Left and
aged or missing.
Right Sides)
WARNING
To avoid personal injury due to high pressure grease, pressure must be
reduced to zero before gage is attached to adjusting link.
Check pressure relief valve as
Pressure relief
follows:
valve does not
1. Pry up and hold pin on pressure
hold pressure or
relief valve until grease stops flow-
does not bleed at
ing.
proper pressure.
2. Remove plug and install gage
(Item 30.1, Chapter 3, Section I) into
opening.
3. Attach grease gun to grease
fitting.
4. Pump grease into adjusting link
until grease comes out of pressure
relief valve.
3-30
Change 4
