TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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14-24. AIR-CONDITIONING COMPRESSOR REPLACEMENT (Cont'd) NOTE • When installing a new compressor, it is necessary to add an additional 3.0 oz (89 ml) of lubricating oil to the compressor prior to installation. • Compressors with FR-12 systems are installed the same. 1. Install compressor (20) on support bracket (22) with two washers (19), lockwashers (18), and capscrews (17). 2. Place drive belt (16) on pulley (15). 3. Install washer (7) and adjusting bracket (6) on timing chain cover bolt and air compressor (20) with washer (7), lockwasher (8), and nut (9). 4. Install adjusting bracket (6) and clamp (21) on compressor (20) with two washers (5), capscrews (4), washers (12), lockwasher (13), and nuts (14). 5. Connect two harness leads (24) to two compressor leads (23). 6. Install clamp (11) on adjusting bracket (6) with screw (10). 7. Lubricate two O-rings (1) with refrigerant oil and install on service valves (3). Connect two service valves (3) to compressor (20). b. Installation FOLLOW-ON TASKS: • Install air filter to air horn hose (TM 9-2320-280-20). • Adjust compressor drive belt (TM 9-2320-280-20). • Connect battery ground cable (TM 9-2320-280-20). • Evacuate and charge air-conditioning system (para. 14-17). • Install right splash shield (TM 9-2320-280-20). TM 9-2320-280-34 Change 1 14-121 10. Remove two capscrews (17), lockwashers (18), washers (19), and compressor (20) from support bracket (22). Discard lockwashers (18). 11. Remove compressor (20) from support bracket (22).