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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 25-48 Change 1 25-16. A/C RECEIVER/DRYER (FRONT) MAINTENANCE This task covers: a. Removal c. Installation b. Inspection 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 O-ring (Appendix G, Item 265.1) Two O-rings (Appendix G, Item 265) Two locknuts (Appendix G, Item 115) Refrigerant oil (Appendix C, Item 48) Sealing compound (Appendix C, Item 63) Manual References TM 9-2320-387-24P Equipment Condition • Battery ground cables disconnected (para. 4-68). • A/C system discharged (para. 25-15). Maintenance Level Direct support NOTE Prior to removal, tag lines for installation. 1. Loosen nuts (1) and (5) and remove lines (17) and (6) and O-rings (2) and (4) from receiver/dryer (3). Discard O-rings (2) and (4). 2. Remove trinary switch (7) and O-ring (8) from receiver/dryer (3). Discard O-ring (8). 3. Remove two locknuts (11), washers (10), clamp (9), and receiver/dryer (3) from mounting bracket (16). Discard locknuts (11). 4. Remove two capscrews (12), washers (13), and mounting bracket (16) from body (14). c. Installation b. Inspection NOTE When installing receiver/dryer, IN fitting must be toward front of vehicle. 1. Apply sealing compound to two capscrews (12), and install mounting bracket (16) on body (14) with two washers (13) and capscrews (12). Tighten capscrews (12) to 75 lb-in. (8 N•m). 2. Install receiver/dryer (3) and clamp (9) on mounting bracket (16) with two washers (10) and locknuts (11). Tighten locknuts (11) to 10 lb-ft. (14 N•m). 3. Apply refrigerant oil on O-rings (2) and (4), and install O-rings (2) and (4) and lines (17) and (6) on receiver/dryer (3) and tighten nuts (1) and (5) to 12 lb-ft (16 N•m). 4. Apply refrigerant oil on O-ring (8), and install O-ring (8) and trinary switch (7) on receiver/dryer (3). Refer to para. 10-56 for plusnut (15) inspection and replacement.