OWNER’S MANUAL
SERVICE
PROCEDURES
WARNING: Never service heater while it is plugged in, op- erating, or hot. Severe burns and electrical shock can occur.
UPPER SHELL REMOVAL
1.Remove screws and lock washers along each side of heater using 5/16"
2.Lift upper shell off.
3.Remove fan guard.
Upper Shell
Fan Guard
Figure 4 - Upper Shell Removal
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 column 1).
2.Use 1/8" allen wrench to loosen set- screw which holds fan to motor shaft.
3.Slip fan off motor shaft.
4.Clean fan using a soft cloth moistened 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 6).
7.Place setscrew on flat of shaft. Tighten setscrew firmly
8.Replace fan guard and upper shell.
Setscrew
Fan
Motor
Shaft
Figure 5 - Fan, Motor Shaft, and Setscrew Location
Fan
AIR OUTPUT, AIR INTAKE, AND LINT FILTERS
1.Remove upper shell, column 1.
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 5).
6.Replace filter end cover.
7.Replace fan guard and upper shell.
IMPORTANT: Do not oil filters
Air Intake
Filter Filter
End
Cover
Lint Filter
Air Output
Filter
Fan
Guard
Figure 7 - Air Output, Air Intake, and Lint Filters
Motor Shaft
Flush
Setscrew
Figure 6 - Fan Cross Section
Continued
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