Step 14. Visually inspect the pilot tubing for kinks or cracks. is found, replace the pilot assembly.
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If damage
Pilot Maintenance
Pilot Inspection, Testing and Replacement (cont’d)
Step 8. Remove the burner assembly from the com- bustion chamber.
Burner assembly
Step 9. Remove the pilot assembly from the main
feedline using a 1/4" nut driver.
Pilot assembly
1/4” nut driver
Step 10. Visually inspect the spark igniter/flame sense wire for damage. Replace the pilot assembly, if damage is found.
Step 11. With a multi-meter set to the ohms setting, check continuity through the spark igniter/flame sense wire. Replace the pilot, if there is no continuity.
Step 12. Visually inspect the spark igniter/flame sense electrode for de- terioration. Replace the pilot assembly, if necessary. The electrode should not be in contact with pilot hood. If it is in contact with the pilot hood, carefully adjust electrode to a gap distance of 3/32" from the pilot hood.
Step 13. Visually inspect the spark igniter/flame sense electrode for oxi- dation build up. Carefully clean any oxidation using very fine emery cloth.
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