This task covers:
Tool Kit, Service Refrigeration Unit
Power disconnected and fuel supply turned off.
General Safety Instructions
Dry cleaning solvent
The heater ignition system contains dangerous
voltages which can cause severe electrical shock.
Be sure to disconnect power before any mainte-
Corrosion preventive compound
Clean parts in a well-ventilated area. Avoid inha-
lation of solvent fumes and prolonged exposure of
skin to cleaning solvent. Wash exposed skin
thoroughly. Dry cleaning solvent is potentially
dangerous to personnel Do not use near open
flame or excessive heat. Flash point is 140
1. Tag (Item 13, Appendix E) and disconnect the electrical lead (1) for the preheat thermostat (2) and solenoid leads (3
and 4) from electrical control unit (ECU) (5).
2. Disconnect compression nut (6) of fuel hose (7) at connector (8). Remove connector (8). Disconnect overflow hose
(9) from overflow fitting (10) on carburetor (12).
3. Remove four screws (11) that secure carburetor (12) to burner head. Remove the carburetor carefully so any
residual fuel in float bowl does not spill.