TM 9-2320-280-20-1
Table 2-1. Unit Level Preventive Maintenance Checks and Services HMMWV (Cont'd)
ITEM
INTERVAL
ITEM TO BE
PROCEDURES
NOT FULLY MISSION
NO.
INSPECTED
CAPABLE IF:
WARNING
If NBC exposure is suspected, all air
filter media should be handled by
personnel
wearing
protective
equipment. Consult your unit NBC
officer or NBC NCO for appropriate
handling or disposal instructions.
7
Semi-
Air-Intake
a. Inspect and clean air cleaner
Annual
System
element and housing
(para. 3-13).
b. Check CDR valve oil saturation.
b. CDR fails water
Disconnect CDR valve oil fill tube hose
manometer vacuum test.
from CDR valve and inspect. Some oil
accumulation in the CDR valve is
acceptable. Correct CDR function is
determined by checking vacuum with a
water manometer. (para. 3-9a).
CAUTION
Do not clean CDR valve with solvent.
This will damage the diaphragm in-
side the CDR valve. Wiping with a rag
is the only authorized method of
cleaning.
c. Remove and wipe off the CDR valve
and hoses with a rag.
2-9
