ARMY TM 9-6115-464-34AIR FORCE TO 35C2-3-445-2NAVY NAVFAC P-8-624-345-4. HEATER ASSEMBLY.a. Removal. Refer to the Operator and Unit Maintenance Manual for heater assembly removal instructions.NOTEIt is not necessary to completely disassemble the heater assembly to replace a singlepart. Only those parts requiring repair or replacement need be removed.b. Disassembly(1) Tag or otherwise identify electrical leads as they are disconnected to facilitate installation.(2) Remove cover (1, figure 5-3).(3) Remove screw (2), and receptacle assembly (3).(4) Remove screw (4), and terminal board assembly (5).(5) Remove screw (6), and limit switch (7).(6) Remove frame assembly (8), adjusting screw (9), spring (10), tension spring (11), and spring pad(12). Carefully remove quartz rod (13), screw (14) and switch (15).(7) Remove screws (16), and separate assembled heat exchanger (75) and burner casing.(8) Remove drain plug (17) from heat exchanger.(9)(l0)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22)(23)(24)Remove igniter assembly (18) and gasket (19).Remove fuel tube assembly (20), metering orifice (21), metering orifice assembly (22), filter body(23), gasket (24) and sintered filter (25).Remove screw (26), screw (27), and remove bracket (28), and fuel regulator value assembly (29).Remove screw (30), setscrews (31 and 32), and fuel preheater (33).Remove screw (34), screw (35), air inlet cover (36).Remove clamps (37), and (40), and remove hose (41)Remove burner casing (38), and casing grommet (39).Remove plug (42), spring (43), ball (44), elbow (45), and screw (46) from port plate (47).Conspicuously mark port plate (47, figure 5-3) and cam ring (49) to insure that they will be installedproperly.Remove O-ring (48), cam ring (49), setscrew (50), vane (51), rotor (52), O-ring (53), adapter (54),O-ring (55), seal cage (56), seal washer (57), and spring (58).Remove setscrew (60) and combustion fan (61).Remove screws (59), and (63), and remove inlet plate (62) and combustion air inlet (64) from motor(67)Remove brush cap (65) and brush spring (66) from motor (67).Remove screw (68), vaporizer retainer (69) and vaporizer (70).Remove elbow (71), burner assembly (72). Remove burner assembly.If necessary, remove screw (73), and nameplate (74).5-9
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