TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 1 Download
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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