TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
Page 706 of 1258
14-19. DRYER BOTTLE 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 _____________ Two O-rings (Appendix E, Item 105) Lubricating oil (Appendix B, Item 35) (R-12 only) Lubricating oil (Appendix B, Item 35.1) (FR-12 only) Manual References ________________ TM 9-2320-280-20 TM 9-2320-280-24P Equipment Condition _________________ • Air-conditioning system discharged (para. 14-17). • Evaporator blower housing opened (TM 9-2320-280-20). General Safety Instructions ______________________ Air conditioner system must be discharged prior to replacing components. Maintenance Level _______________ Direct support 1. Peel away insulation (5) from panel (8) to allow access to nut (4). 2. Disconnect lines (9) and (3) from dryer bottle (2). Remove and discard two O-rings (1). 3. Loosen nut (4) and capscrew (6) on right side of bracket (7). 4. Remove dryer bottle (2) from bracket (7). CAUTION ______ Cover or plug all open lines and connections immediately after removal to prevent contamination. Remove all plugs prior to connection. ________ WARNING ________ Air conditioner system must be discharged prior to replacing components in vapor system. Failure to do this may result in injury to personnel or damage to equipment. a. Removal b. Installation NOTE FR-12 systems require different lubricating oil. 1. Lubricate two O-rings (1) with refrigerant oil and install O-rings (1) on lines (3) and (9). 2. Install dryer bottle (2) in bracket (7) and connect lines (3) and (9) to dryer bottle (2). 3. Tighten nut (4) and screw (6) securing bracket (7) and dryer bottle (2) to panel (8). 4. Install insulation (5) to panel (8). TM 9-2320-280-34 14-106 Change 1