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12
F.) SPARK PLUG
CLEAN AND REGAP EVERY 600 HOURS
OPERATION OR REPLACE AS NEEDED.
(For KFA50DGD/80DGD/135DGD/180DGD Models Only)
- Remove upper shell (See page 10).
- Remove fan (See page 10).
- Remove ignitor wire from spark plug.
- Remove spark plug from nozzle adaptor using medium
phillips screwdriver.
- Clean and regap spark plug electrodes to 3.5mm gap.
- Reinstall spark plug to nozzle adaptor.
- Attach ignitor wire to spark plug.
- Reinstall fan and upper shell.
(For KFA220DGD Model Only)
- Remove upper shell (See page 10).
- Remove fan (See page 10).
- Remove ignitor wire from nozzle adaptor.
- Remove spark plug from nozzle adaptor using medium
phillips screwdriver.
- Clean and regap spark plug electrodes to 3.5mm gap.
(0.138”)
- Reinstall spark plug to nozzle adaptor.
- Attach ignitor wire to spark plug.
- Reinstall fan and upper shell.
G.) PHOTOCELL
CLEAN PHOTOCELL ANNUALLY OR AS
NEEDED.
- Remove upper shell (See page 10).
- Remove fan (See page 10).
- Remove photocell from it’s mounting.
Clean photocell lens with cotton swab.
TO REPLACE:
- Remove side cover screws using medium phillips
screwdriver.
- Disconnect switch wires from power switch and
remove side cover.
- Disconnect wires from circuit board and remove
photocell.
- Install new photocell and connect wires to circuit
board.
- Replace switch wires to power switch and side cover.
- Replace fan and upper shell.
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
Screw
Screw
Spark Plug
Spark Plug
Ignitor Wire
Ignitor Wire
Side Cover
Power
Switch
Screw
Switch
Wires
Photocell
Lens
Bracket
Install Photocell
• Incorrect • Correct
Spark Plug
Spark Plug
GAP
GAP
Nozzle Adaptor
Nozzle Adaptor
Figure 16. Spark Plug Regap
Figure 17. Spark Plug Regap
Figure 18. Photocell Replacement
GAP
3.5mm / 0.138”
GAP
3.5mm / 0.138”
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