Table 2-1. Unit Level Preventive Maintenance Checks and Services HMMWV (Contd).
ITEM
NO.
INTERVAL
ITEM TO BE
INSPECTED
PROCEDURES
8
Semi-
200-Amp
a. Inspect alternator and voltage
a. Mounting bolts
annually
Alternator
regulator for condition, proper
missing or alternator
installation, and security of mounting.
damaged.
b. Inspect electrical wiring for
b. Wiring frayed, broken,
broken strands, frayed, cracked, or worn or loose connections.
insulation, and loose connections.
c. Check pulley for damage.
c. Pulley damaged or
pulley nut is loose.
d. Check alternator mounting bolts
d. Any alternator
for security of mounting. Tighten
mounting bolt is loose.
bolts to 40 lb-ft (54 Nm).
9
Semi-
Accelerator
Inspect for bends, excessive play, cracks, Linkage damaged, bent,
annually
Linkage
and damage that could cause failure.
or cracked.
10
Semi-
Suspension
annually
and Steering
System
a. Remove wheel and tire assembly
a. Capscrews or locknuts
(para. 8-3). Check front and rear
are finger or hand
lower ball joint mounting. Tighten
turnable.
lower ball joint to lower control arm
locknuts to 60-65 lb-ft (81-88 Nm).
Tighten ball joint slotted nut to
73 lb-ft (99 Nm) and ensure cotter
pin is present.
b. Check front and rear upper ball joint b. Capscrews or locknuts
mounting. Tighten upper ball joint to
are finger or hand
upper control arm locknuts to
turnable.
26-30 lb-ft (35-41 Nm). Tighten upper
control arm-to-bracket locknuts to
260 lb-ft (353 Nm). Tighten ball joint
slotted nut to 73 lb-ft (99 Nm) and
ensure cotter pin is present.
c. Lubricate front and rear upper and
lower ball joints with GAA.
NOTE
If access to lower ball joint locknut is
a problem, remove geared hub from
control arm (para. 6-9).
TM 9-2320-387-24-1
2-10
Change 1
NOT FULLY MISSION
CAPABLE IF:
NOTE
Do not overlubricate ball joints; one or
two shots is adequate.
