TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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TM 9-2320-280-34 14-11. AMBULANCE HEATER REPAIR (MODEL 10530B) This task covers: a. Disassembly c. Assembly b. Cleaning and Inspection INITIAL SETUP : Tools Manual References General mechanic's tool kit: TM 9-2320-280-20 automotive (Appendix G, Item 1) TM 9-2320-280-24P Materials/Parts Equipment Condition Five nut and lockwasher assemblies Ambulance or arctic heater removed (Appendix E, Item 95) (TM 9-2320-280-20). Thirteen screw-assembled lockwashers (Appendix E, Item 147) General Safety Instructions Four tiedown straps (Appendix E, Item 210) Drycleaning solvent is flammable and will not be Five locknuts (Appendix E, Item 49) used near an open flame. Three lockwashers (Appendix E, Item 77) Compressed air source will not exceed 30 psi Gasket (Appendix E, Item 19) (207 kPa). O-ring (Appendix E, Item 97) Burner repair kit (Appendix E, Item 3) Maintenance Level Insulation varnish (Appendix B, Item 27) Direct support Drycleaning solvent (Appendix B, Item 14) a. Disassembly 1. Turn two dzus fasteners (7) and remove guard (6) from control bracket (9). NOTE Prior to removal, tag leads for installation. 2. Remove two nut and lockwasher assemblies (17) and leads 30 (19) and 9 (18) from overheat switch (16). Discard nut and lockwasher assemblies (17). 3. Remove four tiedown straps (8) securing leads together. Discard tiedown straps (8). 4. Remove five screw-assembled lockwashers (2) and leads (1) from flame detector switch (20). Discard screw-assembled lockwashers (2). 5. Disconnect two igniter leads (3) from ground terminal (12) and circuit board (5). 6. Loosen line nut (13) and disconnect fuel outlet line (14) from fuel valve fitting (11). 7. Remove six screws (10) from control bracket (9) and heater body (15). 8. Remove two screws (4), control bracket (9), and ground terminal (12) from heater body (15). 14-52