SPARK PLUG:
Clean and re-gap every 600 hours of operation, or replace
as needed.After removing the Spark Plug, clean the ter-
minals with a wire brush. Re-gap the terminals to 0.140"
(3.5mm).
NEVER
LEAVE
BURNING OR WHILE CONNECTED TO A FUEL
SOURCE.
IMPROPER MAINTENANCE CAN LEAD TO POOR
COMBUSTION AND SOOT PRODUCTION
PHOTOCELL:
The Photocell should be cleaned at least once per heating season or more depending on conditions.
Use a cotton swap dipped in water or alcohol to clean the lens of the Photocell. Note the proper Photo-
cell position as noted.
Photocell
Installing Photocell
1.)Incorrect
2.)Correct
FUEL FILTER:
The Fuel Filter should be cleaned at least twice per heating season by rinsing it in clean #1-K kerosene.
Contaminated fuel could make this necessary immediately.
NOTE: To remove the filter, turn filter 90° clockwise.
16
MAINTENANCE
HEATER
UNATTENDED
Photocell
Lens
Fuel Filter
Side Cover
Power Switch
WHILE
Burner Head
Photocell
Wire
(MH-0075-0M10 only)
Photocell Wire
Circuit Board
Screw
Fuel Line
Power Switch Wire
Ignitor Wire
Spark Plug
Gap
Circuit Board
Kerosene Portable Heaters Manual