Filter
Top Products
9
100507
OWNER’S MANUAL
PUMP PRESSURE
ADJUSTMENT
1. Remove pressure gauge plug from filter
end cover.
2. Install accessory pressure gauge (part
number 00529-02).
3. Start heater (see Operation, page 5).
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. Set
pump pressure as follows:
35,000 Btu/Hr Model 3.0 PSI
55,000 Btu/Hr Model 3.4 PSI
110,000 Btu/Hr Model 4.5 PSI
150,000 Btu/Hr Model 5.0 PSI
5. Remove pressure gauge. Replace pres-
sure gauge plug in filter end cover.
FUEL FILTER
(35/55/110/150,000 BTU/Hr
Models)
1. Remove side cover screws using 5/16"
nut-driver.
2. Remove side cover.
3. Pull upper fuel line off fuel filter neck.
4. Carefully pry bushing, fuel filter, and
lower fuel line (110/150,000 BTU/Hr
models only) out of fuel tank.
5. Wash fuel filter with clean fuel and re-
place in tank.
6. Attach upper fuel line to fuel filter neck.
7. Replace side cover.
SERVICE
PROCEDURES
Continued
Relief
Valve
Pressure
Gauge
Plug
(35/55,000 BTU/Hr Models Shown)
Figure 13 - Pressure Gauge Plug Removal
Pressure
Gauge
Figure 14 - Adjusting Pump Pressure
Upper
Fuel
Line
Fuel Filter,
Bushing, and
Lower Fuel Line
Figure 16 - Fuel Filter Removal,
110/150,000 BTU/Hr Models
Fuel Filter
Side Cover
Figure 15 - Fuel Filter Removal, 35/55,000
BTU/Hr Models
Upper Fuel Line
Side Cover
Continued