13
Hot Surface Ignition Models Service Manual
Note: Fuel Filter Location
May Vary According To
Model. Refer to
Fuel
System, page 8.
Fuel Filter,
Bushing,
and Lower
Fuel Line
B. Restriction in Nozzle or Nozzle Adapter
Using a compressed air source, blow the compressed
air through the outlet end of nozzle to dislodge any for-
eign debris.
CAUTION: NEVER DRILL OUT OR TRY TO INCREASE
NOZZLE SIZE.
Also, blow compressed air through the nozzle adapter in
the direction shown to dislodge any foreign debris.
Blowing Compressed Air Through Nozzle
C. Defective Solenoid Valve (200,000 Btu model only)
Remove upper and lower fuel lines from fittings on sole-
noid valve. Apply 120V/60 Hz power to valve. Shine a flash-
light at one side of valve. Light should be visible from the
other side when the solenoid is energized. If not, the valve
is obstructed or defective. Clean or replace as necessary.
100,000 - 165,000 Btu Models Shown
Fuel
Flow
Direction
Flush
In This
Direction
5 Fuel Filter Restriction
The fuel filter should be inspected and cleaned (see sec-
tion III,
Fuel System (Fuel Filters), page 8. After remov-
ing filter, flush with clean kerosene in the reverse direc-
tion of the fuel flow.
Blowing Compressed Air Through Nozzle Adapter
35,000 - 165,000 Btu Models
200,000 Btu Models
For replacement parts contact:
www.PartsFor.com
