Table 2-1. Unit Level Preventive Maintenance Checks and Services HMMWV (Cont'd)
ITEM TO BE
NOT FULLY MISSION
If NBC exposure is suspected, all air
filter media should be handled by
equipment. Consult your unit NBC
officer or NBC NCO for appropriate
handling or disposal instructions.
a. Inspect and clean air cleaner
element and housing
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).
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
c. Remove and wipe off the CDR valve
and hoses with a rag.