Desa BY150ECA owner manual Pump Pressure Adjustment, Fuel Filter

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" 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 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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