TM-9-2320-387-10 HMMWV Operator Manual Download
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51 Weekly Tiedowns c. Inspect all tiedown strap (Cont’d) assemblies for proper operation, frays, damage, cleanliness, and security of mounting. DRIVER 52 Weekly Tow Pintle Check pintle hook for looseness, damaged locking mechanism, and presence of cotter pin. DRIVER (M1114 ONLY) 53 Weekly Environment a. Check security of wind- Control shield de-icer control box System mounting. NOTE Insufficient cooling could be a result of loss of R134a refrigerant. This is a gas, therefore leaks cannot be detected. If leaks in lines or fittings are suspect, the vehicle is to be considered non-mission capable and sent to direct support for further inspection(s). b. Check Heating, Ventilation, b. Leaks in lines or and Air Conditioning (HVAC) fittings. vents, and mounting hardware for damage, leaks, missing components, and security of mounting. c. Inspect exposed wiring c. Wiring harness harnesses for breaks, frayed broken, frayed, or insulation, loose or damaged damaged. Mounting connectors, and loose, damaged, hardware missing. or missing mounting hardware. Table 2-2. Preventive Maintenance Checks and Services (Cont’d). Item No. Interval Not Fully Mission Capable If: Location Item to Check/ Service Crewmember Procedure TM 9-2320-387-10 Change 1 2-59