TM 9-2320-209-34-2-3 21-6. POWER PLANT HEATER REMOVAL, REPAIR, AND REPLACEMENT. TOOLS: No special tools required SUPPLIES: Dry cleaning solvent, typeII (SD-2), Fed. Spec P-D-680 Compressed air, 30 psi max Clean rags Burner gasket Burner preformed packing Overheat thermostat preformed packing Fuel control valve gasket Fuel control valve gasket with screen Igniter Igniter gasket PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Preliminary Procedures. (1) Disconnect battery ground cable. Refer to TM 9-2320-209-20. (2) Take off coolant hoses at heater. Refer to TM 9-2320-209-20. 21-16