SERVICE PROCEDURES
Upper Shell Removal
1.Remove screws along each side of heater using 5/16"
2.Lift upper shell off.
3.Remove fan guard.
Fan
IMPORTANT: Remove fan from motor shaft before removing motor from heater. The weight of the motor resting on the fan could damage the fan pitch.
1.Remove upper shell (see above).
2.Use 1/8" allen wrench to loosen
3.Slip fan off motor shaft.
4.Clean fan using soft cloth mois- tened with kerosene or solvent.
5.Dry fan thoroughly.
6.Replace fan on motor shaft. Place fan hub flush with end of motor shaft (see Figure 5).
7.Place setscrew on flat of shaft. Tighten setscrew firmly
8.Replace fan guard and upper shell.
Air Output, Air Intake, and Lint Filters
1.Remove upper shell (see above).
2.Remove filter end cover screws using 5/16"
3.Remove filter end cover.
4.Replace air output and lint filters.
5.Wash or replace air intake filter (see Preventative Maintenance Schedule, page 7).
6.Replace filter end cover.
7.Replace fan guard and upper shell.
IMPORTANT: Do not oil filters.
8
!WARNING
Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur.
Upper
Shell
Fan
Guard
Figure 4 - Upper Shell Removal
Fan
Motor
Flush
Motor
Shaft
Setscrew
Figure 5 - Fan Cross Section
Air Intake Filter
Filter End Cover
Fan Guard
Lint Filter
Air Output Filter
Figure 6 - Air Output, Air Intake, and Lint Filters
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