R
PILOT ASSEMBLY INSPECTION,
CLEANING AND REPLACEMENT
Step 1. Turn off the gas supply to the water | Primary Air |
Heater. Rotate gas control knob to the | Opening |
“OFF” position. |
|
Step 2. Remove outer jacket door.
Step 3. Remove burner assembly per
Service Procedure
Step 4. Remove the pilot assembly from the burner assembly.
Step 5. Inspect the pilot assembly for the following:
a)Primary air opening for any blockage .
Must be free from any debris (dirt, lint, dust, etc.).
b)Kinks or cracks in the pilot tube. If found, the pilot must be replaced.
SERVICE PROCEDURE
Pilot Assembly Inspection, Cleaning
and Replacement For Models Using
Honeywell Gas Control
Figure 12
Pilot Orifice
Step 6. Inspect pilot orifice: | Figure 13 |
|
a)Remove 7/16” nut from the bottom of the pilot assembly.
b)Remove pilot tube and pilot orifice.
c)Inspect pilot orifice for blockage, must be free from any debris (dirt, lint, dust, etc.).
d)Reassemble pilot orifice and pilot tube to pilot assembly.
Step 7. Install pilot assembly to burner assembly using the screw from Step 4.
Step 8. Reinstall burner assembly per Service Procedure
Step 9. To resume operation follow the instructions located on the lighting instruction label or the lighting instructions located in the installation and operation manual.
Step 10. Check all gas connections for gas leaks using a soapy water solution.
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