Table 2-1. Unit Level Preventive Maintenance Checks and Services HMMWV (Cont’d).
ITEM
NO.
INTERVAL
ITEM TO BE
INSPECTED
PROCEDURES
SPECIAL PURPOSE KITS
24
Semi-
Vehicular
a. Inspect arctic heater fuel line for loose a. Any class III leak,
annually
Heater
connections, splits, cracks, and bends.
loose connections, splits,
Components
cracks, and bends.
b. Inspect coolant hoses for leaks
b. Any class III leaks.
and deterioration.
Hoses cracked or dry-
rotted.
c. Inspect electrical wires for frays,
c. Wires frayed, split, or
splits, or looseness.
loose.
d. Inspect intake and exhaust
d. Any exhaust extension
extensions for proper installation,
leak.
cracked and loose pipes.
25
Semi-
Final Road
Check vehicle for proper operation
Vehicle fails to operate
annually
Test
and performance.
properly.
26
Annually
Fuel
Replace filter element every 6,000
System
mi (9,600 km) or annually, whichever
occurs first. Replace water separator
element if unserviceable (para. 3-34).
TM 9-2320-387-24-1
2-24
Change 1
NOT FULLY MISSION
CAPABLE IF:
NOTE
If annual/biennial service is being
performed, then final road test will be
completed after last annual/biennial task
is complete.
FILTER
ELEMENT
