TM-9-2350-311-34-1 Maintenance Manual for Volume 1 M109 Hull Download

Page 288 of 352

TM 9-2350-311-34-1 10-2 COOLANT HEATER — CONTINUED a. Disassembly — Continued Compression sleeve is to be removed only if resistor requires replacement. Compression fitting is pressed securely to fuel tube and must be cut or ground off. NOTE Compression sleeve must be removed before removing resistor from fuel tube. 33 Remove union (63), compression sleeve (64), nut (36), resistor (55), and flange (58). Discard compression sleeve. 34 Remove two nuts (65), two clamps (66), and two hook bolts (67), securing burner assembly (68) to heat exchanger (69). 35 Remove burner assembly (68), preformed packing (70), and gasket (71). Discard preformed packing and gasket. 36 Remove four screws (72) and bracket (14). NOTE Note direction of arrow on diode to ensure proper positioning during assembly. 37 Remove diode (73) from diode holder (74). 38 Remove two screws (75 and 76) and diode holder (74). 39 Remove four screws (77), terminal strip (8), and marker strip (78). 40 Remove nut (79) and bracket (80) with resistor motor (81) attached. 41 Remove nut (82), screw (83), and resistor motor (81). 42 Remove two assembled nuts (84), two flat washers (85), restriction thermostat (1 8), and two spacers (86). Discard nuts. 43 Remove three screws (87). 44 Spread housing (16) and remove heat exchanger (69). 10-28