Owner’s manual, Service procedures, Continued – Desa 35 User Manual

Page 7

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OWNER’S MANUAL

Fuel Filter

Side Cover

Upper Fuel Line

Figure 8 - Fuel Filter Removal

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.

SERVICE
PROCEDURES

Continued

IGNITOR

1.

Remove upper shell and fan guard (see
page 6).

2.

Remove fan (see 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 Figure 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.

Figure 9 - Disconnecting Ignitor Wires
from Ignition Control Assembly

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 10 to
20 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. See Wiring Diagrams, page
10, for correct terminal locations.

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).

Combustion
Chamber

Ignitor
Wires
(Gray)

Ignitor

Nozzle
Adapter
Bracket

Ignition
Control
Assembly

Side Cover

Photocell
Bracket

Photocell
Assembly

Air Line
Hose

Fuel
Line
Hose

Figure 10 - Ignitor Replacement

Combustion
Chamber

Photocell
Bracket

Ignitor

Ignitor
Screw

Nozzle
Adapter
Bracket

Nozzle Adapter
Bracket Opening

Ignitor
Element

Continued

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