TM 9-2320-361-34 I 17-5. ENGINE COOLANT HEATER COMPONENT BRACKET MAINTENANCE THIS TASK COVERS: a. Removal d. Assembly b. Disassembly e. Installation c. Inspection INITIAL SETUP APPLICABLE MODELS All TEST EQUIPMENT Multimeter (Appendix B, Item 3) MATERIALS/PARTS Tiedown strap (Appendix C, Item 15) REFERENCES (TM] TM 9-2320-361-34P TOOLS EQUIPMENT CONDITION General mechanic’s tool kit Engine coolant heater blower motor removed (Appendix B, Item 1) (para. 17-3). Tool kit, electrical (Appendix B, Item 2) NOTE a. Removal Tag wires for installation. 1. Remove tiedown strap (1) from wires. Discard tiedown strap (1). 2. Remove two screw-assembled lockwashers (4), and leads (2), (3), and (5) from heater component bracket (6). 3. Remove leads (8) and (3) from restriction thermostat (9). 4. Remove grommet (11) from leads (3) and (8) and heater housing (10). 5. Remove three screw-assembled lockwashers (16) and leads (13), (14), (15), and (17) from flame detector switch (12). 6. Remove four screws (7) and heater component bracket (6) from heater housing (10). NOTE Note direction of arrow on diode for installation. 1. 2. 3. 4. 5. 6. 7. 8. 17-10 Remove diode (23) from diode holder (22). Remove screw-assembled lockwashers (20) and (26), resistor leads (19) and (27), and diode lead (21) from terminal strip (29). Remove screw-assembled lockwasher (25) from diode holder (22) and terminal strip (29). Remove screw (24) and diode holder (22) from heater component bracket (31). Remove four screw-assembled lockwashers (28), terminal strip (29), and plate (30) from heater component bracket (31). Remove nut-assembled lockwasher (34), screw (37), and resistor (18) from resistor holder (35). Remove four screw-assembled lockwashers (36) and receptacle (33) from heater component bracket (31). Remove nut-assembled lockwasher (32) and resistor holder (35) from heater component bracket (31).