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.
Fuel Filter
1.Remove side cover screws using 5/16"
2.Remove side cover.
3.Pull upper fuel line off fuel filter neck.
4.Carefully pry bushing, fuel filter, and lower fuel line out of fuel tank.
5.Wash fuel filter with clean fuel and replace in tank.
6.Attach upper fuel line to fuel filter neck.
7.Replace side cover.
Relief
Valve
Pressure
Gauge
PlugPressure
Gauge
Figure 9 - Pressure Gauge Plug Removal
| Pump |
Model | Pressure |
100,000 Btu/Hr | 4.5 PSI |
150,000 Btu/Hr | 5.0 PSI |
Figure 10 - Adjusting Pump Pressure
Fuel Filter, Bushing,
and Lower Fuel Line
Upper Fuel Line
Side Cover
Figure 11 - Fuel Filter Removal
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