TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
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Table 2-1. Unit Level Preventive Maintenance Checks and Services HMMWV (Cont’d). ITEM NO. INTERVAL ITEM TO BE INSPECTED PROCEDURES 8 Semi- 200-Amp a. Inspect alternator and voltage a. Mounting bolts annually Alternator regulator for condition, proper missing or alternator installation, and security of mounting. damaged. b. Inspect electrical wiring for b. Wiring frayed, broken, broken strands, frayed, cracked, or worn or loose connections. insulation, and loose connections. c. Check pulley for damage. c. Pulley damaged or pulley nut is loose. d. Check alternator mounting bolts d. Any alternator for security of mounting. Tighten mounting bolt is loose. bolts to 40 lb-ft (54 N • m). 9 Semi- Accelerator Inspect for bends, excessive play, cracks, Linkage damaged, bent, annually Linkage and damage that could cause failure. or cracked. 10 Semi- Suspension annually and Steering System a. Remove wheel and tire assembly a. Capscrews or locknuts (para. 8-3). Check front and rear are finger or hand lower ball joint mounting. Tighten turnable. lower ball joint to lower control arm locknuts to 60-65 lb-ft (81-88 N • m). Tighten ball joint slotted nut to 73 lb-ft (99 N • m) and ensure cotter pin is present. b. Check front and rear upper ball joint b. Capscrews or locknuts mounting. Tighten upper ball joint to are finger or hand upper control arm locknuts to turnable. 26-30 lb-ft (35-41 N • m). Tighten upper control arm-to-bracket locknuts to 260 lb-ft (353 N • m). Tighten ball joint slotted nut to 73 lb-ft (99 N • m) and ensure cotter pin is present. c. Lubricate front and rear upper and lower ball joints with GAA. NOTE If access to lower ball joint locknut is a problem, remove geared hub from control arm (para. 6-9). TM 9-2320-387-24-1 2-10 Change 1 NOT FULLY MISSION CAPABLE IF: NOTE Do not overlubricate ball joints; one or two shots is adequate.