Form I-RA/D 140/235 (Version A), Mfg No. 110318 Rev 4, Page 31
Maintenance
Procedures
Continued
Transformer in the
“open” position
Fuel Connection
6. The fuel line assembly may now be removed by either
• Pulling the assembly up slightly and toward the rear of the
burner housing.
• OR removing the burner and end cone and pulling straight out
of the blast tube. See pages 29-30 for details.
Servicing/Replacing
Spark Electrodes
To service or replace the Spark Electrodes
Remove any carbon formation on the spark electrodes.
• Check the electrodes for deterioration and the insulators for cracks or damage.
• Replace the electrode assemblies if any damage or deterioration exists.
• After service or replacement, check the position of the electrodes.
• Adjust the electrode location precisely.
Electrode Adjustment
Check the placement of the electrodes according to the illustration below. If adjustments are required,
loosen the 1/4” screw. Make adjustments in the order listed below. Recheck, and if necessary, re-
adjust until electrodes are in proper position.
1) From center of nozzle orifice to electrode - up 3/8” (9.5mm)
2) Electrode Gap (distance between electrodes - 3/32” (2.4mm)
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3) Relationship of the end of
the electrodes to the tip of
the nozzle - 1/16” (1.6mm)
ahead
4) Relationship of the tip of
the nozzle to the inside
radius of the end cone
-- Flush to 1/16” (1.6mm)
ahead
-
NEVER BEHIND
Fuel Line
Assembly
Removed
