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100743
Continued
Item How Often How To
Spark plug Clean and regap every 600 See Spark Plug, pages 12 and 13.
hours operation or replace
as needed.
Fan blades Clean every season or as needed. See Fan, page 19.
Motor Not required/permanently lubricated
TROUBLE-
SHOOTING
OBSERVED FAULT POSSIBLE CAUSE REMEDY
Wrong pump pressure
Dirty air output, air intake,
and lint filters
Dirty fuel filter
Dirt in nozzle
Dirty photocell lens
Bad flame-out control
Heater ignites, but
flame-out control
shuts off heater after
a short period of
time.
See Pump Pressure
Adjustment, page 14.
See Air Output, Air Intake
and Lint Filters, page 14.
See Fuel Filter, pages 10
and 11.
See Nozzle, pages 15
through 17.
Clean photocell lens.
Replace flame-out control.
!
WARNING
Never service heater while it is plugged in, operating, or hot.
Severe burns and electrical shock can occur.
Heater will not
ignite, but motor runs
for a short period of
time.
Wrong pump pressure
Carbon deposits on spark
plug and/or improper gap
Dirty fuel filter
Dirt in nozzle
Water in fuel tank
Electronic ignitor not
grounded (earthed)
Faulty electronic ignitor
See Pump Pressure
Adjustment, page 14.
See Spark Plug, pages 12
and 13.
See Fuel Filter, pages 10
and 11.
See Nozzle, pages 15
through 17.
Drain and flush fuel tank
with clean kerosene. See
Storage, page 8.
Ensure electronic ignitor
mounting is tight.
Replace electronic
ignitor.
Motor does not start
when heater is
plugged in, fan
rotates slowly or
does not turn.
Flame-out control not reset
Binding pump rotor
Reset flame-out control
button, see Figures 6
through 8, pages 7 and 8.
If fan is hard to turn, see
Pump Rotor, page 18.
!
WARNING: High voltage!