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

Page 113 of 890

Table 2-1. Unit Level Preventive Maintenance Checks and Services HMMWV (Cont'd) ITEM NO. INTERVAL ITEM TO BE INSPECTED PROCEDURES f. Check alignment of front and rear f. Front or rear wheels wheels (paras. 8-10 and 8-11). are out of alignment. 20 Semi- Engine a. Inspect engine for leaks or damage a. Class III leaks. Annual that could cause engine failure. Damage evident that would cause engine failure. b. Perform AOAP sample. If AOAP is not available, change oil and oil filter at 3,000 miles (4,800 km), or 100 hours (if hour meter is installed), or every six months. TM 9-2320-280-20-1 2-22 Change 1 NOT FULLY MISSION CAPABLE IF: NOTE If vehicle is new and has been driven less than 3,000 miles (4,800 km), it is not necessary to align wheels unless abnormal handling is reported. 19 Semi- Tires Annual (Cont’d) NOTE Oil and oil filter will be changed when they are known to be contaminated, clogged, or when service is recommended by AOAP laboratory.