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Burner:
Run the burner and perform a complete
combustion test using the proper instruments
before proceeding. If necessary refer to the
section labeled Start the Burner. Record the
results for reference.
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1.
Annual maintenance
(The following should be performed by a
qualifi ed service technician only.)
Maintenance and Service
Inspect and clean all dirt accumulation from the
gas train, burner exterior, burner air band/shutter,
and surrounding area.
Remove the blower motor and clean any
accumulated matter from the blower wheel and
motor end bell.
Check wheel for damage and the hub setscrew
for tightness. If the blower wheel must be
removed from the motor shaft, insure that
clearance specifi cations are maintained.
Clean the inside surfaces of the burner housing
scroll and especially the air intake area and
airfl ow proving switch suction tube.
If the blower motor does not have permanently
lubricated bearings, oil the motor. Clear any
debris from the air vents on the motor body.
Clean the ignition transformer, baseplate, and
terminal bushings. Inspect the ignition leads for
signs of deterioration and loose terminals.
If the burner fl ame detection is a UV scanner,
inspect the mounting and clean the lens
according to the component manufacturer’s
recommendations.
Remove the gas gun assembly and clean the
entire unit, paying special attention to the air
diffuser and spuds.
Inspect the fl ame rod for oxidation or distortion.
Clean all surfaces, set the probe position, and
insure that the fl ame rod is securely fastened.
Refer to Figures 14A and 14B.
Inspect the ignition electrode for any damage.
Clean all surfaces, set the proper electrode gap,
and make sure it is securely fastened.
Clean the inside of the air tube and inspect the
combustion end for any deterioration. Referring
to Figure 2, check the recess dimension from
refractory.
Inspect gas tube O-ring condition and replace if
damaged. Install gas gun assembly back into
the burner and use the jacking screw to tighten
the gas gun securely in place. (Automotive
chassis or bearing grease is suitable for o-ring
lubrication.)
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13.
Section: Maintenance and Service
Annual Professional
Service Required
Tampering with or making incorrect
adjustments could lead to equipment
malfunction and result in asphyxiation,
explosion or fi re.
Do not tamper with the burner or controls or make
any adjustments unless you are a trained and
qualifi ed service technician.
To ensure continued reliable operation, a qualifi ed
service technician must service this burner annually.
More frequent service intervals may be required in
dusty or adverse environments.
Operation and adjustment of the burner requires
technical training and skillful use of combustion test
instruments and other test equipment.
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Turn Off Electric and Gas
Supply Before Servicing
Failure to turn off electric and gas supply could
result in electrical shock, gas leakage, explosion, or
fi re hazards.
Turn main gas valves and electric power off before
performing any maintenance.
If a maintenance procedure requires electrical
power, use extreme caution.
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