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 25-56.2 Change 1 25-20.1. A/C COMPRESSOR MANIFOLD REPLACEMENT This task covers: a. Removal b. Installation 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 Lockwasher (Appendix G, Item 239) Three O-rings (Appendix G, Item 265) Refrigerant oil (Appendix C, Item 48) Seal washer (Appendix G, Item 423.1) Seal washer (Appendix G, Item 423.2) Manual References TM 9-2320-387-24P Equipment Condition • Battery ground cables disconnected (para. 4-68). • A/C system discharged (para. 25-15). • Air horn-to-air cleaner elbow removed (para. 3-15). Maintenance Level Direct support NOTE Use a wrench to hold the A/C compressor manifold nut stationary while loosening the A/C hose fitting. 1. Disconnect high-pressure hose (5) from manifold tube (3). 2. Disconnect high-pressure hose (6) from manifold tube (7). 3. Disconnect high-pressure hose (8) from manifold tube (7). 4. Remove three O-rings (4) from manifold tubes (3) and (7). Discard O-rings (4). 5. Remove capscrew (1), lockwasher (2), A/C manifold (12), and seal washers (11) and (10) from A/C compressor (9). Discard lockwasher (2) and seal washers (10) and (11). a. Removal 1. Install seal washer (10) and seal washer (11) on A/C manifold (12). 2. Install A/C manifold (12) on A/C compressor (9) with lockwasher (2) and capscrew (1). Tighten capscrew (1) to 18 lb-ft (24.4. N•m). 3. Apply refrigerant oil to O-ring (4), and install on high-pressure hose (5). 4. Connect high-pressure hose (5) to manifold tube (3). 5. Apply refrigerant oil to O-ring (4), and install on high-pressure hose (6). 6. Connect high-pressure hose (6) to manifold tube (7). 7. Apply refrigerant oil to O-ring (4), and install on high-pressure hose (8). 8. Connect high-pressure hose (8) to manifold tube (7). b. Installation