3-23. BLOWER MAINTENANCE.
This task covers:
Tool Kit, General Mechanics
Heater unit shut down and cool.
Power cable disconnected from power source.
Air filters removed (para. 3-10a).
Inspect blower housing for holes, cracks, dents, and corrosion.
Inspect blower fan for cracks, bends, missing blades, and corrosion.
Inspect blower housing for secure mounting.
Inspect blower fan for secure mounting to shaft.
Inspect for missing or damaged hardware.