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Heatilator • Caliber Mesh BV Series • 4040-848 Rev G • 10/08
13
Burner Ignition and Operation
Frequency:
Annually
By:
Quali
fi
ed Service Technician
Tools needed:
Protective gloves, vacuum cleaner, whisk
broom,
fl
ashlight, voltmeter, indexed drill bit set, and a manom-
eter.
• Verify burner is properly secured and aligned with pilot
or igniter.
• Clean off burner top, inspect for plugged ports, corrosion
or deterioration. Replace burner if necessary.
• Replace ember materials with new dime-size pieces.
DO NOT block ports or obstruct lighting paths. Refer to
Section 14.F. for proper ember placement.
• Verify batteries have been removed from battery back-
up IPI systems to prevent premature battery failure or
leaking.
• Check for smooth lighting and ignition carryover to all
ports. Verify that there is no ignition delay.
• Inspect for lifting or other
fl
ame problems.
• Verify air shutter setting is correct. See Section 14 for
required air shutter setting. Verify air shutter is clear of
dust and debris.
• Inspect
ori
fi
ce for soot, dirt and corrosion. Verify ori
fi
ce
size is correct. See Service Parts List for proper ori
fi
ce
sizing.
• Verify manifold and inlet pressures. Adjust regulator as
required.
• Inspect
pilot
fl
ame pattern and strength. See Figure 3.1
for proper pilot
fl
ame pattern. Clean or replace ori
fi
ce
spud as necessary.
• Inspect thermocouple/thermopile or IPI
fl
ame sensing
rod for soot, corrosion and deterioration. Clean with
emery cloth or replace as required.
• Verify that there is not a short in
fl
ame sense circuit by
checking continuity between pilot hood and
fl
ame sense
rod. Replace pilot as necessary.
Control Compartment and Firebox Top
Frequency:
Annually
By:
Quali
fi
ed Service Technician
Tools needed:
Protective gloves, vacuum cleaner, dust cloths
• Vacuum and wipe out dust, cobwebs, debris or pet hair.
Use caution when cleaning these areas. Screw tips that
have penetrated the sheet metal are sharp and should
be avoided.
• Remove all foreign objects.
• Verify unobstructed air circulation.
Firebox
Frequency:
Annually
By:
Quali
fi
ed Service Technician
Tools needed:
Protective gloves, sandpaper, steel wool,
cloths, mineral spirits, primer and touch-up paint.
• Inspect for paint condition, warped surfaces, corrosion
or perforation. Sand and repaint as necessary.
• Replace
fi
replace if
fi
rebox has been perforated.
Logs
Frequency:
Annually
By:
Quali
fi
ed Service Technician
Tools needed:
Protective gloves.
• Inspect for damaged or missing logs. Replace as
necessary. Refer to Section 14.H. for log placement
instructions.
• Verify correct log placement and no
fl
ame impingement
causing sooting. Correct as necessary.
B. Maintenance Tasks-Quali
fi
ed Service
Technician
The following tasks must be performed by a quali
fi
ed
service technician.
Gasket Seal and Glass Assembly Inspection
Frequency:
Annually
By:
Quali
fi
ed Service Technician
Tools needed:
Protective gloves, drop cloth and a stable work
surface.
• Inspect gasket seal and its condition.
• Inspect
fi
xed glass assembly for scratches and nicks
that can lead to breakage when exposed to heat.
• Con
fi
rm there is no damage to glass or glass frame.
Replace as necessary.
• Verify
that
fi
xed glass assembly is properly retained and
attachment components are intact and not damaged.
Replace as necessary.
Figure 3.1 IPI Pilot Flame Patterns