TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
Page 716 of 1258
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