Air Output, Air Intake, and Lint Filters
1.Remove upper shell (see page 10).
2.Remove filter end cover screws using 5/16" nut- driver.
3.Remove filter end cover.
4.Replace air output and lint filters.
5.Wash or replace air intake filter (see Preventative Maintenance Schedule, page 8).
6.Replace filter end cover.
7.Replace fan guard and upper shell.
IMPORTANT: Do not oil
filters.
Pump Pressure
Adjustment
1.Remove pressure gauge plug from filter end cover.
2.Install accessory pressure gauge (part number HA1180).
3.Start heater (see Operation, page 7). Allow motor to reach full speed.
4.Adjust pressure. Turn relief valve to right to increase pressure. Turn relief valve to left to decrease pressure. See specifications at right for correct pressure for each model.
5.Remove pressure gauge. Replace pressure gauge plug in filter end cover.
12
Air Intake Filter |
|
Filter End |
|
Cover | Fan Guard |
|
Lint Filter
Air Output
Filter
Figure 14 - Air Output, Air Intake, and Lint Filters,
70,000 BTU/Hr Model
Air Intake Filter
Filter End | Fan Guard |
Cover |
|
Lint Filter
Air Output
Filter
Figure 15 - Air Output, Air Intake, and Lint Filters,
100,000/150,000 BTU/Hr Models
(70,000 BTU/Hr Model Shown)
Pressure | Relief |
Gauge | Valve |
Plug |
|
Figure 16PRESSURE- PressureGAUGEGaugePLUG PFA/OVPlug006BRemoval
|
| Pump | Pressure | |
|
| Gauge | ||
Model | Pressure | |||
| ||||
70,000 | BTU/Hr | 4.5 PSI |
| |
100,000 | BTU/Hr | 4.5 PSI |
| |
150,000 | BTU/Hr | 4.9 PSI |
| |
Figure 17 - Adjusting Pump Pressure
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