12
Outdoor Lifestyles by Hearth & Home Technologies Inc. • Carolina-B Owner’s Manual • 4066-501 Rev. G • 7/15
C. Maintenance Tasks - Quali
fi
ed Service
Technician
The
following tasks must be performed by a quali
fi
ed ser-
vice technician.
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
manometer.
• 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 manifold and inlet pressures. Adjust regulator as
required.
• Inspect pilot
fl
ame pattern and strength. See Figure 4.1
for proper pilot
fl
ame pattern. Clean or replace ori
fi
ce
spud as necessary.
• Inspect
flame sensing rod for soot, corrosion and
deterioration. Polish with
fi
ne steel wool 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
sensing rod. Replace pilot as necessary.
Figure 4.1 IPI Pilot Flame Patterns
NOTE:
Appearance of rock jig, pilot shield and media tray
may vary between appliance models.
Firebox
Frequency:
Annually
By:
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 appliance if
fi
rebox has been perforated.
Surface cracking or crazing of
fi
rebrick material is normal
and expected. All cracks are acceptable and do not require
replacement of the unit or the
fi
rebox with the exception of:
• Cracks compromising the surface plane of the
fi
rebox.
See Figure 4.6.
Figure 4.2. Surface plane of
fi
rebox is comprised and should be
replaced.
