Henny Penny 500 Service Manual page 91

el 5 156-i
Step 12
11. If the temperature indicated on the thermometer
differs more than 5" remove the thermostat knob
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by pulling it off its
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Do not rotate the knob while removing it.
12. Turn the adjustment screw in the center of the
hollow stem, using a small blade screwdriver. If the
thermometer reading was higher than the setting,
rotate the screw clockwise. If lower, counter-
clockwise. For example:
setting: 250°F
reading: 275°F
adjustment: l/4 turn clockwise.
13. After adjusting the screw, install the knob and
reset the thermostat to 250°F. Again, measure the
temperature of the shortening with the deep fat
thermometer. Wait a few moments for the shorten-
ing to reach the 250°F temperature setting, indi-
cated on the thermometer. The indicator light
should go off when the temperature reaches 250°F.
Readjust screw if necessary.
14. Set the thermostat to 275°F.
15. Check the temperatu;e of the shortening when the
indicator light goes off.
16. Ifthe temperature measured on the thermometer is
not within 5°F of the thermostat setting, adjust for
the correct temperature as in steps 12 and 13 of this
procedure.
Once the thermostat has been calibrated and set
at the desired cooking temperature, do not use
the thermostat to turn the fryer off. Use the
ON-OFF switch.