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37
Section 12 - Service / Maintenance
Remove ash from combustion chamber and heat-exchange tubes every
750-1000 hours of run time and at the end of every heating season.
DAILY
WEEKLY
MONTHLY
ANNUALLY
(Season Shut Down)
•
Check fuel supply
tank level (pre-strain
all fuels).
•
Check vacuum gauge
reading on suction
line.
•
Check atomizing air
pressure at the air
filter/regulator. Ver-
ify pressure setting.
Drain water from the
bowl if necessary.
•
Check the fuel pres-
sure gauge on the
burner. Set to the cor-
rect pressure for the
fuel being used.
(only
when using a bypass
regulator)
•
Visually inspect flame.
Adjust accordingly.
NOTE: Wear ade-
quate eye, face and
breathing protec-
tion.
•
Check draft using a
manometer. Set draft
to -.02 cold, -.05 hot.
•
If heater is not to be
used for more than
12 hours (overnight)
flip the pre-heater
rocker switch off
(light off).
•
Drain water/an-
ti-freeze from the fuel
supply tank.
•
Check the air pressure
setting on the primary
air regulator.
•
Set to 30 psi.
•
Drain water from the
air pressure supply
line drain leg and
primary regulator.
•
Inspect the combus-
tion, ash build-up and
flame.
NOTE
:
Wear adequate
eye, face and breath-
ing protection.
•
Check combustion
chamber and heat
exchanger. Clean if
necessary. Inspect fire
brick.
NOTE
:
Wear protective
clothing, adequate
eye, face and breath-
ing protection. Do not
breathe dust from the
combustion chamber.
Wash thoroughly with
soap and water after
cleaning chamber.
•
Clean the chimney,
chimney connec-
tor and barometric
damper.
•
Clean pump strainer,
suction line strainer
and pick-up tube-
strainer.
NOTE:
Always prime
pump after cleaning
strainers.
•
Check for dirt build-
up on the combus-
tion blower wheel.
Keep wheel clean.
•
Check nozzle and tur-
bulator for oil build-
up; clean / adjust if
necessary.
•
Flip air/fuel pre-
heater switch off.
•
Shut off main power
supply to heater.
•
Perform monthly
service/maintenance.
•
Shut off air supply.
•
Lubricate all motors
following specifica-
tions on the motor
rating plate.
•
Clean fuel pump
strainer.
•
Drain and clean fuel
supply tank.
•
Clean combustion
blower, axial fan and
blades
SCHEDULE
MAINTENANCE
HEATER SERVICE /
XT SERIES