8
104655
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Figure 10 - Fuel Filter Removal
SERVICE
PROCEDURES
Continued
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 re-
place in tank.
6.
Attach upper fuel line to fuel filter neck.
7.
Replace side cover.
IGNITOR
1.
Remove upper shell and fan guard (see
page 7).
2.
Remove fan (see page 7).
3.
Remove 4 side cover screws with a
5/16" nut driver. Remove side cover
(see Figure 10).
4.
Disconnect ignitor wires (yellow) from
ignition control assembly (see Figure
11). Pull the ignitor wires up through
the hole in the lower shell.
5.
Disconnect fuel line hose and air line
hose. Remove photocell from photocell
bracket (see Figure 11).
6.
Remove combustion chamber. Stand
combustion chamber on end with nozzle
adapter bracket on top (see Figure 12).
7.
Remove ignitor screw with a 1/4" nut
driver. Carefully remove ignitor from
nozzle adapter bracket.
Side Cover
Fuel Filter, Bushing,
and Lower Fuel Line
Upper
Fuel
Line
Photocell
Bracket
Photocell
Assembly
Air
Line
Hose
Fuel
Line
Hose
Side Cover
Ignitor
Nozzle
Adapter
Bracket
Ignition
Control
Assembly
Figure 12 - Ignitor Replacement
Combustion
Chamber
Ignitor
Wires
Photocell
Bracket
Ignitor
Ignitor Screw/Washer
Nozzle
Adapter
Bracket
Ignitor
Element
Combustion Chamber
Nozzle Adapter
Bracket Opening
CAUTION: Do not bend or strike
ignitor element. Handle with care.
8.
Carefully remove replacement ignitor
from styrofoam packing.
9.
Carefully guide ignitor into opening in
nozzle adapter bracket. Do not strike
ignitor element. Attach ignitor to nozzle
adapter bracket with screw using a 1/4"
nut driver (see Figure 12). Torque 8 to
15 in. lbs. Do not over torque.
10. Replace combustion chamber.
11. Route the ignitor wires back down through
the hole in the lower shell. Connect wires
to the ignition control assembly.
12. Replace side cover (see Figure 10).
13. Connect fuel line hose and air line hose to
nozzle assembly. See Fuel and Air Line
Replacement and Proper Routing, page 9.
14. Replace photocell in photocell bracket.
15. Replace fan (see page 7).
16. Replace fan guard and upper shell (see
page 7).
Figure 11 - Disconnecting Ignitor Wires
from Ignition Control Assembly
WARNING: Never service
heater while it is plugged in, op-
erating, or hot. Severe burns and
electrical shock can occur.
• SERVICE PROCEDURES
