Pump Pressure Adjustment; Fuel Filter - Desa B155DST Manual De Propietario

PUMP PRESSURE ADJUSTMENT

1. Remove pressure gauge plug from filter
end cover (see Figure 10).
2. Install accessory pressure gauge (part
number HA1180).
3. Start heater (see Operation, page 6). Al-
low 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 specifica-
tions correct pressure for each model (see
Figure 11).
5. Remove pressure gauge. Replace pres-
sure gauge plug in filter end cover.
Figure 10 - Pressure Gauge Plug
Removal
Figure 11 - Adjusting Pump Pressure
122358-01A
SerVice prOcedureS
Continued
Relief
Valve
Pressure
Gauge
Plug
Pump Pressure
5.1 PSI
Pressure
Gauge
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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 (see
Figure 12).
4. Carefully pry bushing, fuel filter, and lower
fuel line out of fuel tank (see Figure 12).
5. Wash fuel filter with clean fuel and replace
in tank.
6. Attach upper fuel line to fuel filter neck.
7. Replace side cover.
Fuel Filter, Bushing,
and Lower Fuel Line
Side
Cover
Figure 12 - Fuel Filter Removal
Upper Fuel Line
11