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B. Maintenance Tasks-Qualifi ed Service
Technician
The following tasks must be performed by a qualifi ed
service technician.
Gasket Seal and Glass Assembly Inspection
Frequency: Annually
By: Qualifi 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.
•
Confi 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.
Logs
Frequency: Annually
By: Qualifi ed Service Technician
Tools needed: Protective gloves.
•
Inspect for damaged or missing logs. Replace as
necessary. Refer to Section 14 for log placement
instructions.
•
Verify correct log placement and no fl ame impingement
causing sooting. Correct as necessary.
Firebox
Frequency: Annually
By: Qualifi 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.
Control Compartment and Firebox Top
Frequency: Annually
By: Qualifi 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.
Heatilator • Caliber CD Series • 4040-263 Rev N • 11/08
Burner Ignition and Operation
Frequency: Annually
By: Qualifi ed Service Technician
Tools needed: Protective gloves, vacuum cleaner, whisk
broom, fl ashlight, voltmeter, indexed drill bit set, and a
manometer.
•
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 rockwool with new dime-size pieces. DO NOT
block ports or obstruct lighting paths. Refer to Section
14 for proper rockwool 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 orifi ce for soot, dirt and corrosion. Verify orifi ce
size is correct. See Service Parts List for proper orifi ce
sizing.
•
Verify manifold and inlet pressures. Adjust regulator as
required.
•
Inspect pilot fl ame pattern and strength. See Figure 3.1
and 3.2 for proper pilot fl ame pattern. Clean or replace
orifi 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 thermocouple/thermopile or IPI millivolt output.
Replace as necessary.
Figure 3.1 IPI Pilot Flame Patterns
Figure 3.2 Standing Pilot Flame Patterns (SIT controls)
15
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