DRAPER 81027 Jet Force Diesel and Kerosene Space Heater, 70,000 BTU/20 kW

User Manual - Page 17

For 81027. Also, The document are for others DRAPER models: 81018

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- 17 -
10. MAINTENANCE
Ignitor Wire
Air Line Hose
Burner Head
Fuel Line Hose
Spark Plug
Nozzle Rod
Air Hose Fitting
Fuel Hose Fitting
Nozzle Rod
Nozzle Face
Nozzle
10.7 BURNER HEAD
- Open upper shell (See left instructions).
- Remove fan blade (See Fan Blades).
- Remove fuel and air line hoses from burner head.
- Remove ignitor wire from spark plug.
- Remove spark plug from nozzle rod using a No.2
cross-slot screwdriver.
- Turn the nozzle rod anti-clockwise and separate from the
burner head.
- Carefully remove the nozzle from the nozzle rod using a
5/8” socket.
- Blow compressed air through the face of the nozzle,
removing any dirt.
- Reinstall nozzle into nozzle rod and tighten firmly.
- Reinstall spark plug onto nozzle rod.
- Turn the nozzle rod clockwise to reassemble into the
burner head.
- Attach ignitor wire to spark plug.
- Attach fuel and air line hoses to burner head.
- Reinstall fan blade and upper shell.
10.8 SPARK PLUG
CLEAN AND RE-GAP EVERY 600 HOURS OF OPERATION
OR REPLACE AS NEEDED.
- Remove upper shell (See Air Intake Filter).
- Remove fan (See Fan Blades).
- Remove ignitor wire from spark plug.
- Remove spark plug from burner head using No.2 cross
slot screwdriver.
- Clean and re-gap spark plug electrodes to 3.5mm gap.
- Reinstall spark plug into burner head.
- Attach ignitor wire to spark plug.
- Reinstall fan and upper shell.
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