TM 5-4310-368-14
b. Disassembly
NOTE
Disassemble heater only to extent necessary to make required repairs.
(1)
Remove cover.
(2)
Remove four screws and fuel control assembly.
(3)
Remove four screws and flame switch cover.
(4)
Disconnect four wires and flame switch assembly.
(5)
Remove one wire and unscrew ignition seal.
(6)
Remove relay.
(7)
Remove limit switch.
(8)
Remove rear cover.
(9)
Remove rear housing.
(10)
Remove blower assembly.
(11)
Remove front housing.
(12)
Remove burner housing from fan housing.
(13)
Remove two screws and microswitch from bracket.
(14)
Remove two rods.
(15)
Remove condenser.
(16)
Remove thermostat.
(17)
Remove fuel regulator from bracket.
c.
Cleaning. Clean all parts in cleaning solvent. Dry thoroughly.
d. Inspection
(1) Inspect all threaded parts and tapped holes for thread damage. Repair or replace defective components.
(2) Inspect burner chamber for cracks.
(3) Check igniter for open circuit. Replace defective component.
5-51
