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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS
CHAPTER 1: SERVICE PROCEDURES
1-12
1.8.4 Replacing High-Limit Thermostat – Operating Thermostat Controls (cont.)
6. Unscrew the high-limit thermostat from the frypot and remove.
7. Apply Loctite PST567 thread sealant or equivalent to the replacement thermostat threads.
8. Reverse steps 1 through 7 to install the replacement.
1.8.5 Replacing High-Limit Thermostat – Computer Controls
1. Disconnect the fryer from the electrical power supply.
2. Drain the frypot.
3. Remove the screws from the upper left and right corners of the computer panel. The computer is
hinged at the bottom and will swing open from the top.
4. Unplug the wiring harness and disconnect the grounding wire from the controller.
5. Remove the controller from the fryer by lifting it from the hinge slots in the fryer control panel
frame.
6. Remove the two screws from the base of the interface board-mounting bracket.
7. Disconnect the 12-pin plug from the back of the interface board and lay the board in the right end
of the compartment with all other wires still connected.
8. Remove the 12-volt transformer and lay it in the right end of the compartment with wires still
connected.
9. Remove the high-limit thermostat wires from the gas valve pilot coil and pull them up through
the control shield.
10. Unscrew the high-limit thermostat from the frypot and remove.
11. Apply Loctite PST567 thread sealant or equivalent to the replacement thermostat’s threads and
screw it into the frypot.
12. Attach the appropriate terminals (furnished in the replacement thermostat kit) to the thermostat
leads.
13. Reverse steps 1 through 9 to complete installation of the replacement thermostat.