TM-9-2320-361-34 Page 699

TM-9-2320-361-34 Direct Maintenance Manual for M44A2 Series Trucks

Page 699 of 764

TM 9-2320-361-34 I 17-20. FUEL BURNING PERSONNEL HEATER TESTING THIS TASK COVERS: a. Preparation d. Flame Detector Switch Test b. Flame Detector Switch Test e. Overheat Switch Test c. Fuel Control Valve Test f. Test Equipment Removal INITIAL SETUP APPLICABLE MODELS REFERENCES All TM 9-2320-361-20 TOOLS TM 9-2320-361-34P General mechanic’s tool kit (Appendix B, Item 1) EQUIPMENT CONDITION Fuel burning personnel heater removed TEST EQUIPMENT (TM 9-2320-361-20). Test stand Flowmeter Multimeter (Appendix B, Item 3) MATERIALS/PARTS Two nut-assembled lockwashers (Appendix F, Item 154) GENERAL SAFETY INSTRUCTIONS Do not perform procedure in enclosed areas. Keep fire extinguisher nearby when working with open fuel lines. Do not perform procedure near open flame, smoking, or sparking object. Allow time for heater to cool before removing from test eauiDment. I a. Preparation WARNING Do not perform this procedure while smoking or within 50 feet of sparks or open flame. Fuel is flammable and can explode, causing injury or death to personnel and damage to equipment. . Exhaust gases can kill. Do not operate personnel heater in 1. Connect heater (6) to test equipment using schematic on next page. NOTE Fuel pump, fuel filter, heater, wiring harness, fuel tubing, and control box must be the same type installed in vehicle. enclosed areas. Ensure work area is well-ventilated and exhaust fumes are directed away from test area. NOTE Perform “preparation” subtask before performing any test and perform “test equipment removal” after each test is complete. Heater must be tested in same position as mounted on vehicle. The cargo body, van primary, and van secondary personnel heaters are tested the same way. 17-56