TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 2 Download
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TM 9-2320-387-24-2 25-50.2 Change 1 25-17.1. A/C RECEIVER/DRYER (REAR) LINES REPLACEMENT This task covers: a. Removal b. Installation a. Removal 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 Three O-rings (Appendix G, Item 265) Refrigerant oil (Appendix C, Item 48) Rubber washer (Appendix G, Item 363.2) Manual References TM 9-2320-387-24P Equipment Condition • A/C system discharged (para. 25-15). • A/C condenser removed (para. 25-18). Maintenance Level Direct support 1. Loosen bulkhead fitting (9) and remove nut (5) and rubber washer (4) from forward end of return line (10). Discard rubber washer (4). 2. Loosen nut (11) and remove return line (10) and O-ring (12) from A/C receiver/dryer (13). Discard O-ring (12). 3. Loosen two nuts (2) and remove supply line (8) and two O-rings (1) from A/C receiver/dryer (13) and A/C condenser (3). Discard O-rings (1). 4. Remove supply line (8) and grommet (6) from A/C condenser bracket (7). b. Installation 1. Apply refrigerant oil to two O-rings (1), and install O-rings (1) on supply line (8). 2. Position supply line (8) and grommet (6) through A/C condenser bracket (7). 3. Install supply line (8) on A/C condenser (3) and A/C receiver/dryer (13) and tighten nuts (2) to 12 lb-ft (16 N•m). 4. Install return line bulkhead fitting (9) through A/C condenser bracket (7) and secure with rubber washer (4) and nut (5). 5. Apply refrigerant oil to O-ring (12), and install O-ring (12) on return line (10). 6. Install return line (10) on A/C receiver dryer (13) and tighten nut (11) to 12 lb-ft (16 N•m).