Filter
Top Products
10
102438
Relief
Valve
Pressure
Gauge
Plug
Figure 7 - Pressure Gauge Plug Removal
Pump
Model Pressure
70,000 Btu/Hr 4.0 PSI
Pressure
Gauge
Figure 8 - Adjusting Pump Pressure
Spark Plug
1. Remove upper shell (see page
9).
2. Remove fan (see page 9).
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" gap.
6. Install spark plug in burner
head.
7. Attach spark plug wire to
spark plug.
8. Replace fan (see page 9).
9. Replace fan guard and upper
shell.
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 6). 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 and
fuel filter 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
Spark Plug
Wire
Burner
Head
Figure 10 - Spark Plug Removal
Figure 11 - Spark Plug Gap
Gap
Bend Here
to Adjust
Gap
Figure 9 - Fuel Filter Removal
Fuel Filter
Side Cover
Upper Fuel Line