TM 9-2320-361-34 17-17. PERSONNEL HEATER OVERHEAT SWITCH AND RECEPTACLE REPLACEMENT THIS TASK COVERS: a. Overheat Switch Removal c. Receptacle Installation b. Receptacle Removal d. Overheat Switch Installation INITIAL SETUP APPLICABLE MODELS MATERIALS/PARTS (Contd) All Two screw-assembled lockwashers TEST EQUIPMENT (Appendix F, Item 169) Four screw-assembled lockwashers Multimeter (Appendix B, Item 3) (Appendix F, Item 168) TOOLS REFERENCES (TM) General mechanic’s tool kit TM 9-2320-361-34P (Appendix B, Item 1) Tool kit, electrical (Appendix B, Item 2) MATERIALS/PARTS Three nut-assembled lockwashers (Appendix F, Item 154) EQUIPMENT CONDITION Personnel heater guard removed (para. 17-11). NOTE Tag wires for installation. a. Overheat Switch Removal 1. Remove nut-assembled lockwasher (1) and shutoff valve lead (2) from overheat switch (5). Discard nut-assembled lockwasher (1). 2. Remove nut-assembled lockwasher (6), receptacle lead (7), thermostat lead (8), and ignition control lead (9) from overheat switch (5). Discard nut-assembled lockwasher (6). 3. Remove two screw-assembled lockwashers (4) and overheat switch (5) from heater housing (3). b. Receptacle Removal 1. Remove screw-assembled lockwasher (11) and restriction solenoid lead (12) from receptacle (25). Discard screw-assembled lockwasher (11). 2. Remove nut-assembled lockwasher (22) and thermostat lead (21) from overheat switch (20). Discard nut-assembled lockwasher (22). 3. Remove screw-assembled lockwashers (15) and (16) and leads (17) and (13) from flame detector switch (23). Discard screw-assembled lockwashers (15) and (16). 4. Remove nut (14) and receptacle ground lead (24) from stud (19). 5. Remove four screw-assembled lockwashers (10) and receptacle (25) from bracket (18). Discard screw-assembled lockwashers (10). 17-44