TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 1 Download
Page 115 of 890
Table 2-1. Unit Level Preventive Maintenance Checks and Services HMMWV (Cont'd) ITEM NO. INTERVAL ITEM TO BE INSPECTED PROCEDURES 24 Semi- Ambulance a. Check DC outlets for proper oper- a. No DC voltage at Annual (M996, tion. Using multimeter, check for volt- outlet, or not within M996A1, age at DC receptacles. If engine is run- range. M997, ning, voltage should be 27-28 volts. If M997A1, and engine is not running, voltage should M997A2) be 24.2-25.2 volts. Reefer to para. 2-39, electrical troubleshooting, if voltage is not within the specified range. b. Inspect and tighten two mounting b. Body not securely capscrews securing ambulance body to mounted to floor. cargo floor to 90 lb-ft (122 N • m). Tighten seven capscrews securing ambulance body to “D” beam to 90 lb-ft (122 N • m). c. (M997, M997A1, and M997A2 only) c. Any class III leak. Inspect compressor for security of mounting and oil leakage. 25 Semi- DeepWater a. Inspect vent tubes for bends, Annual Fording Kit cracks, breaks, deterioration, and restrictions. b. Inspect vent tube mounting hard- ware for proper installation. c. Inspect intake and exhaust exten- c. Any exhaust extension sions for proper installation and leaks. leaks. TM 9-2320-280-20-1 2-24 Change 1 NOT FULLY MISSION CAPABLE IF: