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1.4.2 Replacing the Operating Thermostat in Units with Thermostat Control Panels
1. Disconnect the fryer from the electrical power supply. Turn
off the gas and disconnect the fryer.
2. Drain the frypot.
3. Loosen the setscrew securing the thermostat knob and remove
the knob. Remove the screws from the upper left and right
corners of the control panel. The control panel hinges at the
bottom and will swing open from the top.
4. Disconnect the 9-pin wiring harness and remove the control
panel from the fryer by disengaging its tabs from the hinge
slots in the mounting frame.
5. Loosen the setscrews securing the fl exible shaft to the thermostat
shaft. Slip the fl exible shaft off the thermostat shaft.
6. Remove the fl exible shaft guide by removing the two sheet
metal screws securing it to the upper frame.
7. Disconnect the thermostat leads from pin 14 in the 20-pin
terminal block and from the gas valve terminal.
NOTE: If the fryer has a melt cycle, the thermostat leads
connect to the PC board rather than to the terminal block and
gas valve. Disconnect the leads from the PC board if this is
the case.
8. Unscrew the thermostat from the frypot and remove it.
9. Apply Loctite™ PST56765 thread sealant or equivalent to
the threads of the replacement thermostat.
10. Reverse Steps 1-8 to install the replacement thermostat.
1.4.3 Replacing the Operating Thermostat in Units with Thermostat Access Doors
1. Disconnect the fryer from the electrical power supply. Turn off the gas and disconnect the fryer.
2. Drain the frypot.
3. Use an allen wrench to loosen the setscrew at the side of the thermostat knob. Remove the knob.
4. Remove the two setscrews on both sides of the thermostat shaft and remove the dial plate.
5. Disconnect the thermostat wires from the gas valve.
6. Use a slotted socket to unscrew the thermostat from the frypot.
7. Apply Loctite™ PST56765 thread sealant or equivalent to the threads of the replacement thermostat.
8. Reverse Steps 1-7 to install the replacement thermostat.
stop screw
locking nut
setscrew
Loosen these setscrews and slip the
fl exible shaft off of the thermostat shaft.
CAUTION
The thermostat fl exible shaft
must not be rotated while
installing the thermostat
shaft extension!
Do not rotate the fl exible shaft
more than two turns in either
direction. Doing so will cause
damage to the thermostat.