Table 2-1. Unit Level Preventive Maintenance Checks and Services HMMWV (Contd).
ITEM TO BE
Test CDR valve (para. 3-9).
CDR fails water
manometer vacuum test.
Inspect all wiring and wiring harnesses Broken, frayed, split
for frays, splits, missing insulation, or
wires or harness.
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
NOT FULLY MISSION
Use Dexron® III for filling trans-
mission. Failure to do so may cause
damage to transmission.
Replace transmission oil filter each
time transmission is drained. Fill
transmission with 7.7 qt (7.3 L) of