TM 9-2320-361-34 17-12. PERSONNEL HEATER FUEL CONTROL VALVE REPLACEMENT THIS TASK COVERS: a. Removal c. Installation b. Inspection INITIAL SETUP APPLICABLE MODELS All TEST EQUIPMENT Multimeter (Appendix B, Item 3) TOOLS General mechanic’s tool kit (Appendix B, Item 1) Tool kit, electrical (Appendix B, Item 2) MATERIALS/PARTS Two nut-assembled lockwashers (Appendix F, Item 154) Screw-assembled lockwasher (Appendix F, Item 169) REFERENCES (TM) TM 9-2320-361-34P EQUIPMENT CONDITION Personnel heater guard removed (para. 17-11). a. Removal NOTE Tag wires for installation. 1. Remove nut-assembled lockwasher (8), screw (4), and clamp (5) from ignition control unit (9). 2. Remove elbow (12) and nipple (11) from fuel control valve (10). 3. Remove screw-assembled lockwasher (1) and restriction solenoid lead (2) from receptacle (3). Discard screw-assembled lockwasher (1). 4. Remove nut-assembled lockwasher (21) and shutoff valve lead (6) from overheat switch (17). Discard nut-assembled lockwasher (21). 5. Remove nut-assembled lockwasher (20), thermostat lead (19), receptacle lead (7), and ignition control lead (18) from overheat switch (17). Discard nut-assembled lockwasher (20). 6. Remove clamp (5) from wires (6), (2), and (7). 7. Loosen nut (16) and disconnect fuel line (15) from fuel control valve (10). 8. Remove four screws (13) and fuel control valve (10) from heater housing (14). b. Inspection Visually inspect fuel control valve (10) for dents or loose wires. Replace fuel control valve (10) if damaged. c. Installation 1. Install fuel control valve (10) on heater housing (14) with four screws (13). 2. Install fuel line (15) on fuel control valve (10). Tighten nut (16). 3. Slide clamp (5) over wires (6), (2), and (7). 4. Install restriction solenoid lead (2) on receptacle (3) with new screw-assembled lockwasher (1). 5. Install ignition control lead (18), receptacle lead (7), and thermostat lead (19) on overheat switch (17) with new nut-assembled lockwasher (20). 6. Install shutoff valve lead (6) on overheat switch (17) with new nut-assembled lockwasher (21). 7. Install clamp (5) on ignition control unit (9) with screw (4) and new nut-assembled lockwasher (8). 8. Install nipple (11) and elbow (12) on fuel control valve (10). 17-28