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 25-80 Change 1 25-31. A/C PRESSURE HOSES MAINTENANCE This task covers: a. Removal b. Installation a.1.Inspection 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 Four O-rings (Appendix G, Item 265) Refrigerant oil (Appendix C, Item 48) Sealing compound (Appendix C, Item 63) Tiedown straps (as required) (Appendix G, Item 463) Manual References TM 9-2320-387-24P Equipment Condition • Air horn-to-air cleaner elbow removed (para. 3-15). • A/C system discharged (para. 25-15). • A/C coolant line covers removed (para. 25-32). Maintenance Level Direct support 1. Loosen two nuts (6) and remove high-pressure hose (8) and two O-rings (5) from front receiver/ dryer (4) and evaporator tube (7). Discard O-rings (5). 2. Loosen two nuts (2) and remove high-pressure hose (1) and two O-rings (3) from front receiver/ dryer (4) and rear liquid tube (17). Discard O-rings (3). 3. Remove tiedown straps (14), as required, from hose (10), hose assembly (9), high-pressure hose (1), and A/C wiring harness (13) in engine compartment. 4. Remove capscrew (11), washer (16), and clamp (12) from clamping bracket (15). 5. Remove tiedown straps (14), as required, from hose (10), hose assembly (9), high-pressure hose (1). and A/C wiring harnes (13) at left side tunnel (18). 6. Remove two capscrews (28) and washers (29) securing clamps (26) to left side tunnel (18). 7. Remove high-pressure hose (1) from two clamps (26) at left side tunnel (18). 8. Remove two screws (21), screw (22), and CTIS cover (20) from vehicle body (23). 9. Route high-pressure hose (1) forward through CTIS cover grommet (19) and up into engine compartment. Remove high-pressure hose (1) from vehicle. Refer to para. 10-56 for plusnut (27) inspection and replacement. a.1. Inspection a. Removal