TM 9-2350-277-20-2
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING
LUBRICATION INSTRUCTIONS Continued
0155 00
ITEM
NO.
INTERVAL
MAN-
HOUR
ITEM TO BE
CHECKED OR
SERVICED
CREWMEMBER
PROCEDURE
EQUIPMENT
NOT READY/
AVAILABLE
IF:
72
Semi-
Annual
Drivers Hatch/
All Except
M901A3 and
M981A3
a. Replace hard, cracked, or cut cushioning pad
(WP 0530 00).
Any missing
lock pins or
latches that fail
to secure hatch
in any
position.
b. Check drivers night vision quick release for
smooth operation.
c. Check vision blocks for cranks and chips.
d. Replace vision blocks that have more than 50
percent impairment.
DRIVERS
NIGHTVISION
QUICK
RELEASE
CUSHIONING
PAD
VISION
BLOCKS
e. Push drivers release handle up and measure
between hatch release handle and washer. Make
sure gap is 0.06 to 0.09 inch (1.5 to 2.3 mm). If
clearance is not within limits, loosen or tighten
nut on cable end, as required.
0155 00-126