TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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TM 9-2320-280-34 14-22. EVAPORATOR DUCT REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: Applicable Models Manual References M997, M997A1, M997A2 TM 9-2320-280-20 TM 9-2320-280-24P Tools General mechanic's tool kit: Equipment Condition automotive (Appendix G, Item 1) Air conditioning evaporator removed (para. 14-20). Materials/Parts Maintenance Level Pushnut (Appendix E, Item 136) Direct support Four locknuts (Appendix E, Item 59) Seven lockwashers (Appendix E, Item 87) a. Removal 1. Remove screw (6), lockwasher (7), and control cable (8) from evaporator duct (4). Discard lockwasher (7). 2. Remove pushnut (5) and control cable (8) from duct door pin (9). Discard pushnut (5). 3. Remove six capscrews (11), lockwashers (10), and duct (4) from body (3). Discard lockwashers (10). 4. Pull evaporator duct (4) and insulation away from heater duct (2) and slide control cable (8) through grommet (1). 5. Remove four screws (13), locknuts (14), latch catch (12), and latch (15) from evaporator duct (4). Discard locknuts (14). 6. Inspect insulation for damage. Replace insulation CIM 9-2320-280-20) only if damaged. b. Installation 1. Install latch (15) and latch catch (12) on evaporator duct (4) with four screws (13) and locknuts (14). 2. Install control cable (8) through grommet (1) in evaporator duct (4). 3. Install evaporator duct (4) on body (3) with six lockwashers (10) and capscrews (11). 4. Connect control cable (8) on duct door pin (9) with pushnut (5). 5. Install control cable (8) on evaporator duct (4) with lockwasher (7) and screw (6). 14-116