Table 2-1. Unit Level Preventive Maintenance Checks and Services HMMWV (Contd).
ITEM
NO.
INTERVAL
ITEM TO BE
INSPECTED
PROCEDURES
27
Annually
Air-Intake
Test CDR valve (para. 3-9).
CDR fails water
System
manometer vacuum test.
28
Annually
Electrical
Inspect all wiring and wiring harnesses Broken, frayed, split
Wiring
for frays, splits, missing insulation, or
wires or harness.
poor condition.
29
Biennially
Transmission
Change fluid every 12,000 mi
Metal particles are found.
(19,300 km) or biennially, whichever
occurs first (para. 5-2). Inspect
transmission drainplug for metal
particles.
TM 9-2320-387-24-1
Change 1
2-25
NOT FULLY MISSION
CAPABLE IF:
CAUTION
Use Dexron® III for filling trans-
mission. Failure to do so may cause
damage to transmission.
NOTE
Replace transmission oil filter each
time transmission is drained. Fill
transmission with 7.7 qt (7.3 L) of
Dexron® III.
DIPSTICK