Inspect Intake/Exhaust Air Lines - Toyotomi Laser 60AT Manual

L A S E R
Section 4
ACTIVITY
Inspect the burner ring, and the
flame sensor.
(at least every year)
Clean the heat chamber and the
burner assembly.
(at least every year)
Clean the igniter.
Check air line and blower motor
assembly.
(at least every year)
Check for carbon build-up on or
inside fuel nozzle.
(every year)

4-3 INSPECT INTAKE/EXHAUST AIR LINES

Verify that all intake/exhaust air lines are free of leaks
and that there are no loose connections, as specified
below:
STEP 1: Remove Insulating Cloth Cover
Remove the insulating cloth covers from all exhaust
lines.
STEP 2: Inspection of Intake/Exhaust Air Lines
A. Visually inspect both the intake air and exhaust lines
for obvious cracks, leaks or loose connections.
Black carbon deposits may be evidence of leakage.
B. Be sure that all lines are installed tightly and
securely, especially at the joints.
H E A T I N G
MATERIAL
C. Turn heater to "ON".
D. Carefully apply a small amount of soapy water (with
STEP 3: Return to Operating Condition
A. Turn heater to "OFF".
B. Dry all lines with paper towels.
C. Repair any leaks that have been found (if necessary,
D. Replace insulating cloth covers.
S Y S T E M S
Maintenance
REMARKS
Clean all carbon deposits. Replace if
excessively warped or cracked.
NOTE: If any gaskets are torn when
components are removed, the
gasket must be replaced.
Brush scrape and vacuum all carbon
deposits from the interior of the heat
chamber and bumer air holes. Clean
all carbon on the burner bottom. Use
a small, stiff brush or a short piece of
soft copper wire to clean any blocked
air holes.
Gently scrape any carbon deposits
from igniter.
WARNING: Be careful
remove igniter, it mey be
difficult to loosen and
may crack.
Replace the air line if it is worn or bro-
ken.
Also, clean the exhaust fan if neces-
sary.
Disconnect the fuel pipe assembly
from the fuel nozzle. Clean inside the
nozzle with the proper sized iron
straight wire.
CAUTION: If any obstruction is felt,
remove fuel nozzle before
proceeding.
a paint brush) to the surface areas and joints of the
intake/exhaust air lines.
Any leaks that may exist will be readily identified by
the appearance of bubbles.
replace the tubing or O-ring).
when you
S E R V I C E M A N U A L 24