111168-01A10
Air Output
Filter
Lint Filter
Figure 11 - Air Output, Air Intake, and
Lint Filters, 70 Model
Figure 12 - Air Output, Air Intake, and
Lint Filters, 115/165 Models
Filter End
Cover
Fan
Guard
Air Output Filter
Lint Filter
Air Intake
Filter
Filter End
Cover
Fan
Guard
Air Intake
Filter
AIR OUTPUT, AIR INTAKE AND LINT
FILTERS
1.
Remove upper shell (see Figure 7 or 8, page 9).
2. Remove filter end cover screws using 5/16"
nut-driver. See Figure 11 or 12.
3. Remove filter end cover.
4. Replace air output and lint filters.
5. Wash or replace air intake filter (see Preventa-
tive Maintenance Schedule, page 7).
6. Replace filter end cover.
7. Replace fan guard and upper shell.
IMPORTANT: Do not oil filters.
SERVICE PROCEDURES
Continued
Relief Valve
Pressure
Gauge
Plug
Figure 13 - Pressure Gauge Plug
Removal (70 Model Shown)
Pump
Model Pressure
70 4.7 PSI
115 5.1 PSI
165 5.6 PSI
Pressure
Gauge
Figure 14 - Adjusting Pump Pressure
(70 Model Shown)
PUMP PRESSURE ADJUSTMENT
1. Remove pressure gauge plug from filter end
cover (see Figure 13).
2. Install accessory pressure gauge (part number
HA1180).
3. Start heater (see Operation, page 6). 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 correct
pressure for each model (see Figure 14).
5. Remove pressure gauge. Replace pressure
gauge plug in filter end cover.
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