Table 2-1. Unit Level Preventive Maintenance Checks and Services HMMWV (Cont’d).
ITEM
NO.
INTERVAL
ITEM TO BE
INSPECTED
PROCEDURES
7
Semi-
Air-Intake
annually
System
a. Inspect and clean air cleaner
element and housing (para. 3-13).
b. Check CDR valve oil saturation.
Disconnect CDR valve oil fill tube hose
from CDR valve and inspect. Some oil
accumulation in the CDR valve is
acceptable.
c. Remove and wipe off the CDR valve
and hoses with a rag.
CAUTION
Do not clean CDR valve with solvent.
This will damage the diaphragm
inside the CDR valve. Wiping with a
rag is the only authorized method of
cleaning.
TM 9-2320-387-24-1
Change 1
2-9
NOT FULLY MISSION
CAPABLE IF:
WARNING
If NBC exposure is suspected, all air
filter media should be handled by
personnel wearing protective equip-
ment. Consult your unit NBC officer or
NBC NCO for appropriate handling or
disposal instructions.
CDR VALVE
TUBE HOSE
