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Annual Professional
Service Required
Tampering
with
or
making
incorrect
adjustments
could
lead
to
equipment
malfunction
and
result
in asphyxiation,
explosion
or fire.
•
Do not tamper with the burner or controls or make
any adjustments unless you are a trained and quali-
fied service technician.
•
To ensure continued reliable operation, a qualified
service technician
must service this burner annu-
ally.
•
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.
Turn Off Electric
and
Gas Supply
Before
Servicing
Failure
to turn off electric
and gas supply
could
result
in electrical
shock,
gas leak=
age, explosion,
or fire hazards.
•
Turn main gas valves and electric power off before
performing any maintenance.
•
if a maintenance procedure requires electrical pow-
er, use extreme caution.
Annual
maintenance
- (The following
should
be performed by a qualified service technician only.)
0
Burner:
.
Run the burner and perform a complete com-
bustion test using the proper instruments before
proceeding. If necessary refer to the section la-
beled Start the Burner. Record the results for
reference.
.
.
.
.
.
.
.
.
10.
11.
12.
Inspect and clean all dirt accumulation from the
gas train, burner exterior, burner air band/shut-
ter, and surrounding area.
Remove the blower motor and clean any accu-
mulated 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 re-
moved from the motor shaft, insure that clear-
ance specifications are maintained.
Clean the inside surfaces of the burner housing
scroll and especially the air intake area and air-
flow proving switch suction tube.
If the blower motor does not have permanently
lubricated bearings, oil the motor. Clear any de-
bris 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 flame detection is a UV scanner, in=
spect the mounting and clean the lens according
to the component manufacturer's
recommenda-
tions.
Remove the gas gun assembly and clean the
entire unit, paying special attention to the air dif=
fuser and spuds.
Inspect the flame rod for oxidation or distortion.
Clean all surfaces, set the probe position, and
insure that the flame 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 re-
fractory.
6104
BOG10
R08
_. 11
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