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105398
OWNER’S MANUAL
SERVICE
PROCEDURES
Continued
Continued
IGNITOR
1. Remove upper shell and fan guard (see
page 8).
2. Remove fan (see page 13).
3. Remove 4 side cover screws with a
5/16" nut driver. Remove side cover
(see Figure 9 or 10, page 8).
4. Disconnect ignitor wires (black) 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).
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 11 - Disconnecting Ignitor Wires
from Ignition Control Assembly
Ignitor
Ignitor Screw/Washer
Assembly
Nozzle
Adapter
Bracket
Nozzle Adapter
Bracket Opening
Ignitor
Element
Figure 12 - Ignitor Replacement
CAUTION: Do not bend or strike
ignitor element. Handle with care.
6. Remove combustion chamber. Stand
combustion chamber on end with
nozzle adapter bracket on top (see Fig-
ure 12).
7. Remove ignitor screw with a 1/4" nut
driver. Carefully remove ignitor from
nozzle adapter bracket.
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 9 or 10,
page 8).
13. Connect and route fuel line hose and
air line hose to burner head. See Fuel
and Air Line Replacement and Proper
Routing, page 11.
14. Replace photocell in photocell bracket.
Route wires as shown in either Figure
17, 18, or 19, page 11.
15. Replace fan (see page 13).
16. Replace fan guard and upper shell (see
page 8).
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 us-
ing a 1/4" nut driver (see Figure 12).
Torque .90 to 1.69 N-m (8 to 15 in-lbs)
Do not over torque.