Filter
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104672
OWNER’S MANUAL
Fuel Filter
Side Cover Upper Fuel Line
Figure 8 - Fuel Filter Removal
SERVICE
PROCEDURES
Continued
FUEL FILTER
1. Remove 4 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 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
Fan, page 6).
2. Remove fan (see Upper Shell Removal,
page 6).
3. Remove 4 side cover screws with a
5/16" nut driver. Remove side cover
(see Figure 8).
4. Disconnect ignitor wires (gray) from
ignition control assembly (see Figure
9). 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 9).
6. Remove combustion chamber. Stand
combustion chamber on end with
nozzle adapter bracket on top (see Fig-
ure 10).
7. Remove ignitor screw with a 1/4" nut
driver. Carefully remove ignitor from
nozzle adapter bracket.
CAUTION: Do not bend or strike
ignitor element. Handle with care.
Combustion
Chamber
Photocell
Bracket
Photocell
Assembly
Air
Line
Hose
Fuel
Line
Hose
Combustion
Chamber
Photocell
Bracket
Ignitor
Wires
Ignitor
Nozzle
Adapter
Bracket
Ignition
Control
Assembly
Side Cover
Figure 9 - Disconnecting Ignitor Wires
from Ignition Control Assembly (see
Wiring Diagrams, Figure 18 or 19
appropriately, page 10)
Ignitor
Ignitor
Screw/
Washer
Assembly
Nozzle
Adapter
Bracket
Nozzle Adapter
Bracket Opening
Ignitor
Element
Figure 10 - Ignitor Replacement
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 10). 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 8).
13. Connect and route fuel line hose and
air line hose to nozzle adapter (see Fig-
ure 9).
14. Replace photocell in photocell bracket.
Route wires as shown in Figure 11,
page 8.
15. Replace fan (see page 6).
16. Replace fan guard and upper shell (see
page 6).
Continued
WARNING: Never service
heater while it is plugged in, op-
erating, or hot. Severe burns and
electrical shock can occur.