OWNER’S MANUAL
SERVICE
PROCEDURES
Continued
WARNING: Never service heater while it is plugged in, op- erating, or hot. Severe burns and electrical shock can occur.
FUEL FILTER
1.Remove 4 side cover screws using 5/16"
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.
Fuel Filter
Side Cover | Upper Fuel Line |
Figure 8 - Fuel Filter Removal
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.
Combustion | Nozzle | |
Chamber | Adapter | |
| Bracket | |
| Ignitor | |
Air | Ignitor | |
Line | Wires | |
Hose |
| |
Fuel |
| |
Line |
| |
Hose |
| |
Photocell | Ignition | |
Control | ||
Bracket | ||
Assembly | ||
Photocell | ||
| ||
Assembly |
| |
Side Cover |
|
CAUTION:Donotbendorstrike 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 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).
Ignitor
Screw/
Washer
Assembly
Ignitor | Ignitor | |
Element | Nozzle | |
Photocell | ||
Adapter | ||
Bracket | ||
Bracket | ||
|
Figure 9 - Disconnecting Ignitor Wires from Ignition Control Assembly (see Wiring Diagrams, Figure 18 or 19 appropriately, page 10)
Combustion Chamber
Nozzle Adapter Bracket Opening
Figure 10 - Ignitor Replacement
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