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 setscrews 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 10).
7.Place setscrews on flat of shaft. Tighten setscrews 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 (see Preventative Maintenance Schedule, page 10).
5.Wash or replace air intake filter (see Preventative Maintenance Schedule, page 10).
6.Replace filter end cover.
7.Replace fan guard and upper shell.
12IMPORTANT: Do not oil filters.
!WARNING
To avoid risk of burn and electrical shock, never attempt to service heater while it is plugged in, operating or hot.
Upper
Shell
Fan
Guard
Figure 8 - Upper Shell Removal (35 Model Shown)
Setscrews | Fan | Fan |
|
Flush
Motor
MotorShaft
Shaft
Setscrews
Figure 9 - Fan, Motor Shaft,
and Setscrew Location
Figure 10 - Fan Cross Section
Air Intake |
| Air Intake |
| |
| Filter |
| ||
Filter |
|
| ||
| Filter End | Fan Guard | ||
Filter End |
| |||
Fan | Cover | |||
Cover |
| |||
|
| |||
| Guard |
|
|
Lint Filter | Lint Filter |
| |
Air Output | Air Output |
Filter | Filter |
Figure 11 - Air Output, Air Intake, | Figure 12 - Air Output, Air Intake, |
and Lint Filters, 35 Model | and Lint Filters, 100/150 Models |
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