Filter
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12
103252
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 8). 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.
Adjust pump pressure to 4.9
psi.
5. Remove pressure gauge.
Replace pressure gauge plug in
filter end cover.
Relief
Valve
Pressure
Gauge
Plug
Figure 8 - Pressure Gauge Plug Removal
Figure 12 - Spark Plug Gap
.075" (1.9 mm) Gap
Bend Here
to Adjust
Gap
Spark
Plug
Spark Plug
Wire
Burner
Head
Figure 11 - Spark Plug Removal
Figure 10 - Fuel Filter Removal
Fuel Filter, Bushing,
and Lower Fuel Line
Side Cover
Upper
Fuel
Line
Figure 9 - Adjusting Pump Pressure
Pressure
Gauge
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.
Spark Plug
1. Remove upper shell (see page
11).
2. Remove fan (see page 11).
3. Remove spark plug wire from
spark plug.
4. Remove spark plug from burner
head using 13/16" open-end
wrench.
5. Clean and regap spark plug
electrodes to .075" (1.9 mm)
gap.
6. Install spark plug in burner head.
7. Attach spark plug wire to spark
plug.
8. Replace fan (see page 11).
9. Replace fan guard and upper
shell.