Maintenance Tasks-Qualified Service Technician - Heatilator RBV4236IH Owner's Manual

B. Maintenance Tasks-Qualified Service
Technician
The following tasks must be performed by a qualified
service technician.
Logs
Frequency: Annually
By: Qualified Service Technician
Tools needed:
Protective gloves.
• Inspect for damaged or missing logs. Replace as
necessary. Refer to Section 14.D. for log placement
instructions.
• Verify correct log placement and no flame impingement
causing sooting. Correct as necessary.
Firebox
Frequency: Annually
By: Qualified 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 fireplace if firebox has been perforated.
Control Compartment and Firebox Top
Frequency: Annually
By: Qualified 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.
12 Heatilator • RBV4236/RBV4842 • 4048-210 • Rev S • 6/10
Burner Ignition and Operation
Frequency: Annually
By: Qualified Service Technician
Tools needed:
Protective gloves, vacuum cleaner, whisk
broom, flashlight, voltmeter, indexed drill bit set, and a manom-
eter.
• Verify burner is properly secured and aligned with
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 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 flame problems.
• Verify air shutter setting is correct. See Section 14.J.
for required air shutter setting. Verify air shutter is clear
of dust and debris.
• 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 flame sensing rod for soot, corrosion and
deterioration. Clean with emery cloth or replace as
required.
• Verify that there is not a short in flame sensing circuit
by checking continuity between pilot hood and flame
sensing rod. Replace pilot as necessary.
Figure 3.1 IPI Pilot Flame Patterns