Part # P153 (11/06) Page 17
3. Do not use the griddle as a hot top. A large pan or
pot will trap heat and can cause the griddle plate to
warp.
4. Do not over heat the griddle to preheat faster.
Preheating only takes 15-20 minutes.
ermostat Calibration
WARNING: Turn off the electrical mains before
commencing any service work.
Oven
It is normal for an electromechanical thermostat to cycle
with a °F - ° F (°C - °C) range when checking
calibration allow the thermostat to cycle a minimum
of two times.
1. Place the thermocouple of the test instrument in
the center of the oven.
2. Turn the oven temperature control dial to 400° F
(205° C). In order to allow the oven temperature to
stabilize, the oven control must be allowed to cycle
twice before taking a test reading.
3. Check the temperature reading just when the control
cycles “OFF” as indicated by the cycling pilot lamp.
If the temperature does not read with in 15° F (8°C)
of the dial setting, recalibrate as follows:
4. Carefully remove the thermostat dial, not disturbing
the dial setting.
5. Hold the thermostat shaft steady with a small
flat blade screw driver. Turn the calibration screw
located inside the shaft clockwise to decrease the
temperature and counter clockwise to increase the
temperature. NOTE: each ¼ turn of the screw will
create a change of approximately 35° F (20°C).
6. Replace the thermostat dial and repeat steps 1
though 3 to verify that the correct adjustment has
been made.
MAINTENANCE AND CLEANING Continued
Dial Shaft
Calibration Screw Head
Calibration
Screw Head
Increase
Decrease
1/4" Turn
Griddle
1. Use a test instrument with a special disc type
thermocouple or a reliable surface type pyrometer.
NOTE: a drop of oil on the face of the disc will
provide better contact with the plate.
2. Set all griddle thermostats to 350°F (177°C). In
order to allow the griddle temperature to stabilize,
the thermostats must be allowed to cycle twice
before taking a test reading.
3. Check the griddle temperature when the thermostat
just cycles “OFF” by placing the thermocouple
firmly on the griddle directly about the sensing
bulb of the thermostat. e reading should be
between 335° F (168°C) and 365° F and (185°C).
If the reading is outside of these limits, calibrate as
follows:
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