TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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14-23. CONDENSER ASSEMBLY REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: Applicable Models _______________ M997, M997A1, M997A2 Tools ____ General mechanic's tool kit: automotive (Appendix G, Item 1) Materials/Parts _____________ O-ring (Appendix E, Item 105) Ten lockwashers (Appendix E, Item 72) Lubricating oil (Appendix B, Item 35) (R-12 only) Lubricating oil (Appendix B, Item 35.1) (FR-12 only) Personnel Required ________________ One mechanic One assistant Manual References ________________ TM 9-2320-280-20 TM 9-2320-280-24P Equipment Condition _________________ • Intake and exhaust grilles removed (TM 9-2320-280-20). • Condenser fans removed (TM 9-2320-280-20). • Dryer bottle removed (para. 14-19). Maintenance Level _______________ Direct support 1. Remove eight screws (1) securing dryer bottle mounting panel (2) to fan support bracket (13) and condenser housing (3). 2. Remove eight capscrews (10) and lockwashers (11) securing dryer bottle mounting panel (2) and fan bracket (13) to body (12). Discard lockwashers (11). 3. Remove two nuts (7), lockwashers (8), and capscrews (9). Discard lockwashers (8). 4. Remove nut (14), washer (15), and clamp (16) from screw (17) and slide wiring harness (18) to side. 5. Turn fan support bracket (13) to allow removal through front intake grille opening. Remove fan bracket (13). 6. Disconnect compressor line (6) from condenser (4). Remove and discard O-ring (5). 7. Remove six screws (19) and condenser (4) from condenser housing (3). CAUTION ______ Slowly remove condenser to avoid damage to the cooling fins. Failure to do this will result in damage to equipment. b. Installation 8. Remove condenser (4) through condenser blower housing opening into driver's compartment. NOTE FR-12 systems require different lubricating oil. 1. Install condenser (4) on condenser housing (3) with six screws (19). 2. Lubricate O-ring (5) and install O-ring (5) in compressor line (6). Connect compressor line (6) to condenser (4). 3. Install fan support bracket (13) on body (12) with two capscrews (9), lockwashers (8), and nuts (7). 4. Install eight lockwashers (11) and capscrews (10) securing fan support bracket (13) and dryer panel mounting panel (2) to body (12). a. Removal TM 9-2320-280-34 14-118 Change 1