Lanair MX300 - Manual (Page 36)

Section 13 - Service / Maintenance
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32
DAILY
s Check fuel supply
tank level (pre-strain
all fuels).
s Check vacuum gauge
reading on suction
line. See Section 19.
s Check atomizing air
pressure at the air fil-
ter/ regulator. Set to
18 psi. Drain water
from the bowl if nec-
essary
s Check the fuel pres-
sure gauge on the
burner. Set to the
correct pressure for
the fuel being used.
s Visually inspect
flame. Adjust accord-
ingly. NOTE: Wear
adequate eye, face
and breathing pro-
tection.
s Check draft using a
manometer. Set draft
to -.02 cold, -.06 hot.
s If heater is not to be
used for more than
48 hours (overnight)
flip the pre-heater
rocker switch off
(light off ).
WEEKLY
s Drain water/ anti-
freeze from the fuel
supply tank.
s Check the air pres-
sure setting on the
primary air regulator.
Set to 30 psi.
s Drain water from the
air pressure supply
line drain leg and pri-
mary regulator.
s Inspect the combus-
tion, ash build-up
and flame.
NOTE: Wear ade-
quate eye, face and
breathing protec-
tion.
MONTHLY
s Check combustion
chamber and heat
exchanger. Clean if
neccessary. Inspect
fire brick.
NOTE: Wear protec-
tive clothing, ade-
quate eye, face and
breathing protec-
tion. Do not breathe
dust from the com-
bustion chamber.
Wash thoroughly
with soap and
water after cleaning
chamber.
s Clean the chimney,
chimney connector
and barometric
damper.
s Clean pump strainer,
suction line strainer
and pick-up tube
strainer (pp 38).
NOTE: Always prime
pump after cleaning
strainers.
s Check for dirt build-
up on the combus-
tion blower wheel.
Keep wheel clean.
ANNUALLY
(Season Shut Down)
s Shut off main power
supply to heater.
s Perform monthly
service/maintenance.
s Flip air/fuel pre-
heater switch off.
s Shut off air supply.
s Remove air/fuel pre-
heater assembly.
Disassemble and
clean (pp. 34, 35).
s Remove air turbula-
tor and clean (pp. 33)
s Replace nozzle and
quad ring (pp. 34, 35,
39)
s Replace Ignitor (pp
39).
s Adjust turbulator (pp
39).
s Lubricate all motors
following specifica-
tions on the motor
rating plate.
s Clean fuel pump
strainer (see pp 38).
s Drain and clean fuel
supply tank.
s Clean combustion
blower, axial fan
blades and fan cage
MX SERIES HEATER SERVICE / MAINTENANCE SCHEDULE