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F35628 (10-04)
WARNING: CERTAIN PROCEDURES IN
THIS SECTION REQUIRE
ELECTRICAL TEST OR
MEASUREMENTS WHILE
POWER IS APPLIED TO THE
MACHINE. EXERCISE
EXTREME CAUTION AT ALL
TIMES. IF TEST POINTS ARE
NOT EASILY ACCESSIBLE,
DISCONNECT POWER AND
FOLLOW LOCKOUT / TAGOUT
PROCEDURES, ATTACH TEST
EQUIPMENT AND REAPPLY
POWER TO TEST.
THERMOSTAT CALIBRATION
1. Set the thermocouple in the center of the
burner section to be calibrated.
2. Set the ON/OFF switch to the ON position.
Adjust the thermostat knob of the burner
to be calibrated to 350 degrees.
3. Allow the burners to cycle on and off at
least twice. Observe the griddle heat light
and thermocouple readings. The
thermocouple reading should be 350
degrees plus or minus 15 degrees the
instant the heating light comes on.
If the unit is not within these calibration
specifications follow the steps below.
4. Gently, remove the thermostat knob from
the unit without rotating the thermostat
shaft.
5. Loosen (2) screws securing the
temperature dial plate to the unit. Gently,
replace the thermostat knob onto the unit
without moving the thermostat shaft.
6. Hold the thermostat knob in place and
rotate the dial plate so that the 350 degree
position aligns with the knob temperature
indicator mark.
7. While holding the dial plate in position,
gently remove the knob without moving
the shaft . Tighten down the (2) dial plate
securing screws.
8. Replace the thermostat knob and verify
that thermocouple reading, knob indicator
and dial setting all agree.
9. Turn the knob and ON/OFF switch to the
OFF position.
10.Remove the thermocouple.
Figure L
MAIN BURNER ADJUSTMENT
For efficient burner operation, it is important
that a proper balance of gas volume and
primary air supply is maintained, to give
complete combustion. Insufficient air supply
results in a yellow streaming flame. Primary
air supply is controlled by the air shutter on
the front of the burner venturi. Loosen the
screws on the venturi and adjust the air
shutter to just eliminate yellow tips on burner
flames. Lock the air shutter in place by
tightening the screws. Repeat this procedure
with all burners.
1. All units are equipped with fixed orifices
for use with natural or propane gas and
no adjustment is necessary.
SERVICE PROCEDURES AND ADJUSTMENTS
Thermostat
Dial
Loosen
Screws
Knob