Table 2-1. Unit Level Preventive Maintenance Checks and Services HMMWV (Cont’d)

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