Table 2-1. Unit Level Preventive Maintenance Checks and Services HMMWV (Contd).
ITEM TO BE
a. Inspect battery box for corrosion and a. Corrosion has made
holes in metal battery
b. Clean slave receptacle and coat
b. Terminals corroded.
with corrosion-resistant compound
(appendix C, item 61).
c. Check and record specific gravity
c. Cell is below 1.225
of each cell.
d. Inspect battery cables for frays,
d. Cables frayed, split,
splits, or looseness.
SPECIAL PURPOSE BODIES
Inspect door latches/strikes for proper
Doors do not seal against
adjustment (para. 11-9).
Check adjustment of cargo shell door
Check rear cargo door for proper
operation. Rotate gas springs (para. 11-23)
180° every six months and move left
spring to right side and right spring
to left side.
a. Ensure brushes are present and are
a. Brushes are missing
not curled upward.
or curled upward more
than 1/4 inch (6.34 mm).
b. Inspect turret brake for cracked
b. Turret brake is
mounting bracket welds and for correct
misaligned or mounting
adjustment (para. 11-55).
bracket welds cracked.
c. Inspect for damage or bending of stop c. Stop rings notches will
ring notches at 0 degrees, 90 degrees,
not stop at required
180 degrees, and 270 degrees
NOT FULLY MISSION
Refer to TM 9-6140-200-14 for more
specific details on battery maintenance.
Add 4 points (.004) to specific gravity
reading for every 10° above 80°F.