TM 5-4520-256-14
5-3. CABINET ASSEMBLY AND SKID MAINTENANCE.
This task covers:
a. Repair
b. Cleaning
c. Inspection
d. Installation
INITIAL SETUP:
Tools Required:
Tool Kit, General Mechanics
Materials Required:
Adhesive, Silastic (Item 1, Appendix E)
Bristle Brush (Item 2, Appendix E)
Cleaning Solvent (Item 11, Appendix E)
WARNING
Cleaning solvent, Federal Specification P-D-680, is toxic and flammable. Use only in a well-
ventilated area. Avoid prolonged breathing of fumes. Keep solvent away from flames. Do not
use in excessive amounts. Avoid skin contact.
Equipment Conditions:
Heater unit shut down and cool.
Fuel tank empty.
Power cable disconnected from power source.
Gas cap removed.
Air filters removed (para 3-10a).
Exhaust pipe removed (para 3-11a).
Duct assemblies removed (para 3-12a).
Control panel removed (para 4-5a).
Transformer removed (para 3-26a).
High temperature safety thermostat removed (para 3-27a).
Heater temperature controller removed (para 3-28a).
Power cable assembly removed (para 3-29a).
High tension cable assembly removed (para 3-30a).
Discharge temperature thermostat removed (para 3-31a).
Return temperature thermostat removed (para 3-32a).
Solenoid valves removed (para 3-34a).
Fuel oil filter removed (para 3-35a).
Sightglass removed (para 3-36a).
Flame detector removed (para 3-37a).
Electrodes removed (para 3-38a).
Fuel burner nozzle removed (para 3-39a).
Combustion air hose removed (para 3-40a).
Fuel level gage removed (para 3-41a).
Lower access door removed (para 2-6c).
5-2
