| SERVICE | WARNING |
| PROCEDURES | |
| To avoid risk of burn and electrical shock, never attempt | |
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| to service heater while it is plugged in, operating or hot. |
Upper Shell Removal | Upper Shell | |
1. | Remove screws along each side of | Fan Guard |
| heater using 5/16" | |
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| screws attach upper and lower |
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| shells together. |
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2. | Lift upper shell off. |
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3. | Remove fan guard. |
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Fan |
| Figure 8 - Upper Shell Removal | ||
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IMPORTANT: Remove fan from motor |
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shaft before removing motor from |
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heater. The weight of the motor resting | Setscrews | Fan | Fan | |
on the fan could damage the fan pitch. | ||||
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1. | Remove upper shell (see above). |
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2. | Use 1/8" allen wrench to loosen |
| Flush | |
| setscrews which holds fan to motor |
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| shaft. |
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3. | Slip fan off motor shaft. |
| Motor | |
4. | Clean fan using a soft cloth |
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Motor | Shaft | |||
| moistened with kerosene or solvent. | |||
| Shaft |
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5. | Dry fan thoroughly. | Setscrews | ||
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6. | Replace fan on motor shaft. Place |
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| fan hub flush with end of motor | Figure 9 - Fan, Motor Shaft, |
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| shaft (see Figure 10). | and Setscrew Location |
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7. | Place setscrews on flat of shaft. |
| Figure 10 - Fan Cross Section | |
| Tighten setscrews firmly |
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8. | Replace fan guard and upper shell. |
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Air Output, Air Intake and | Air Intake |
| Air Intake |
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Lint Filters |
| Filter |
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Filter |
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1. | Remove upper shell (see above). | Filter End |
| Filter End | Fan Guard | |
Fan | Cover | |||||
2. | Remove filter end cover screws | Cover |
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| Guard |
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| using 5/16" |
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3. | Remove filter end cover. |
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4. | Replace air output and lint filters. |
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5. | Wash or replace air intake filter (see |
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| Preventative Maintenance Schedule, |
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| Lint Filter |
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| page 10). | Lint Filter |
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6. | Replace filter end cover. | Air Output |
| Air Output |
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7. | Replace fan guard and upper shell. |
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Filter |
| Filter |
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IMPORTANT: Do not oil filters. | Figure 11 - Air Output, Air Intake, | Figure 12 - Air Output, Air Intake, | ||||
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| and Lint Filters, 35/50/70 Models | and Lint Filters, 100/150 Models | |||
12 |
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| 099618 | |
