Air Output, Air Intake, And Lint Filters; Pump Pressure Adjustment - Desa R110M3 Owner's Manual

Air Output, Air Intake,
and Lint Filters
1. Remove upper shell (see
Upper Shell Removal,
page 13).
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 10).
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.
14
Figure 14 - Air Output, Air Intake, and Lint Filters, 70,000 BTU/Hr Model
Lint Filter
Figure 15 - Air Output, Air Intake, and Lint Filters, 110,000 and 150,000 BTU/Hr Models
Pressure
Gauge
Plug
Figure 16 - Pressure Gauge Plug Removal
Pump
Model Pressure
70,000 BTU/Hr 4.0 PSI
110,000 BTU/Hr 4.5 PSI
150,000 BTU/Hr 5.2 PSI
Air Intake
Filter
Lint Filter
Air Output
Filter
Air Intake
Filter
Air Output
Filter
(70,000 BTU/Hr Model Shown)
Pump Regulator
Valve
Pressure
Gauge
Figure 17 - Adjusting Pump Pressure
Filter End
Cover
Fan
Guard
Filter End
Cover
Fan Guard
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