TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 2 Download
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25-22. A/C EVAPORATOR ASSEMBLY (REAR) MAINTENANCE This task covers: a. Removal b. Installation a.1. Inspection a. Removal 1. Disconnect A/C wiring harness connector (14) from evaporator connector (10). 2. Loosen nut (12) and remove rear suction tube (18) and O-ring (13) from evaporator connector (11). Discard O-ring (13). 3. Loosen nut (16) and remove rear liquid tube (17) and O-ring (15) from evaporator connector (7). Discard O-ring (15). 4. Remove four capscrews (5), washers (4), and evaporator (1) from brackets (2) and (3). 5. Loosen clamp (9) and remove drain hose (8) from evaporator (1). INITIAL SETUP: Applicable Models M1114 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Automotive maintenance and repair: field maintenance, basic (Appendix B, Item 6) Materials/Parts Two O-rings (Appendix G, Item 265) Refrigerant oil (Appendix C, Item 48) Sealing compound (Appendix C, Item 63) Manual References TM 9-2320-387-10 TM 9-2320-387-24P Equipment Condition • Battery ground cables disconnected (para. 4-68). • Cargo door opened (TM 9-2320-387-10). • A/C system purged (para. 25-15). • Left passenger seat removed (para. 10-45). Maintenance Level Direct support TM 9-2320-387-24-2 25-62 Change 1 b. Installation 1. Install drain hose (8) on evaporator (1) and tighten clamp (9). 2. Apply sealing compound to threads of four capscrews (5), and install evaporator (1) on brackets (2) and (3) with four washers (4) and capscrews (5). Tighten capscrews (5) to 6 lb-ft (8 N•m). 3. Lubricate O-rings (13) and (15) with refrigerant oil. 4. Install O-ring (15) and rear liquid tube (17) on evaporator connector (7) and tighten nut (16) to 12 lb-ft (16 N•m). 5. Install O-ring (13) and rear suction tube (18) on evaporator connector (11) and tighten nut (12) to 24 lb-ft (32 N•m). 6. Connect A/C wiring harness connector (14) to evaporator connector (10). a.1. Inspection Refer to para. 10-56 for plusnut (6) inspection and replacement.