•Inspect orifice for soot, dirt and corrosion. Verify orifice size is correct. See Service Parts List for proper orifice sizing.
•Verify manifold and inlet pressures. Adjust regulator as required.
•Inspect pilot flame pattern and strength. See Figure 3.1 for proper pilot flame pattern. Clean or replace orifice spud as necessary.
• Inspect IPI
•Verify that there is not a short in flame sense circuit by checking continuity between pilot hood and flame- sensing rod. Replace pilot as necessary.
Figure 3.1 IPI Pilot Flame Patterns
Light Bulb Maintenance
Frequency: As needed
By: Qualified Service Technician
Tools needed: Protective gloves, replacement light bulbs.
• See Section 14.F.
16 | Heat & Glo • |