Air Output, Air Intake, And Lint Filters; Pump Pressure Adjustment - Desa 8.8 Manual Del Propietário

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.
102748
Lint Filter
Figure 16 - Air Output, Air Intake, and Lint Filters,
8,8/20,5 kW (30/70,000 Btu/Hr) Models
Lint Filter
Figure 17 - Air Output, Air Intake, and Lint Filters,
26,4/44 kW (90/150,000 Btu/Hr) Models
Pressure
Gauge
Plug
Figure 18 - Pressure Gauge Plug Removal
Model
8,8 kW (30,000 Btu/Hr)
20,5 kW (70,000 Btu/Hr)
26,4 kW (90,000 Btu/Hr)
44 kW (150,000 Btu/Hr)
Air Intake Filter
Air Output
Filter
Air Intake Filter
Filter End
Cover
Air Output
Filter
(8,8/20,5 kW [30/70,000 Btu/Hr] Models Shown)
Relief
Valve
Pressure
Gauge
Figure 19 - Adjusting Pump Pressure
Pump Pressure
17,93 kPa (2.6 PSI)
24,82 kPa (3.6 PSI)
30,34 kPa (4.4 PSI)
33,09 kPa (4.8 PSI)
Filter End
Cover
Fan Guard
Fan Guard
13