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Model OFE/OFG/OEA/OGA-341, 342
SECTION 2. MAINTENANCE
2-1. INTRODUCTION This section provides procedures for the check out and
replacement of the various parts used within the fryer. Before
replacing any parts refer to the Troubleshooting Section. It will aid
you in determining the cause of the malfunction.
2-2. MAINTENANCE HINTS 1. You m
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Model OFE/OFG/OEA/OGA-341, 342 1-3. HIGH TEMPERATURE 2. Using a Phillip’s head screwdriver, remove the screws securing LIMIT CONTROL the inner heat shield and remove from unit. Figure 2-3. (Gas Units) (Continued) Figure 2-3 3. Remove the screw securing the high limit bracket to the frame and remove
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Model OFE/OFG/OEA/OGA-341, 342 2-3. HIGH TEMPERATURE LIMIT CONTROL (Gas Units) (Continued) Replacement To avoid electrical shock or property damage, move the power switch to OFF and disconnect main circuit breaker, or unplug cord at wall receptacle. 1. If the tube is broken or cracked, the control opens, shutting
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Model OFE/OFG/OEA/OGA-341, 342 2-4. COMPLETE CONTROL Should the control board become inoperative, follow these PANEL REPLACEMENT instructions for replacing the board. 1. Remove electrical power supplied to the unit. To avoid electrical shock or property damage, move the power switch to OFF and disconnect main circu
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Model OFE/OFG/OEA/OGA-341, 342 2-5. POWER SWITCH (Continued) 4. With control panel removed, and the wires off the switch, push in on tabs on the switch to remove from panel. Figure 2-12. 5. Replace with new switch, and reconnect wires to switch. 6. Replace the control panel. Figure 2-12 2-6. TEMPERATURE PROBE Th
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Model OFE/OFG/OEA/OGA-341, 342 2-6. TEMPERATURE PROBE 5. Remove the probe from the frypot, and disconnect wire REPLACEMENT (GAS) connector from the control panel. Figure 2-15. (Continued) 6. Place the nut and new ferrule on the new probe and insert the probe into the compression fitting until it extends one (1) inch (
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Model OFE/OFG/OEA/OGA-341, 342 2-7. TEMPERATURE PROBE 4. Using a ½ inch wrench, remove the nut on the compression REPLACEMENT fitting. Figure 2-18. (ELECTRIC) (Continued) 5. Remove the probe from the frypot, and disconnect probe. 6. Place the nut and new ferrule on the new probe and insert the probe into the compressi
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Model OFE/OFG/OEA/OGA-341, 342 2-8. FLAME SENSOR/ PILOT / IGNITOR ASSEMBLY (Gas) (Continued) 2. Remove the control panel and heat shield from control area. Figure 2-19. Figure 2-19 3. Disconnect the flame sense wire from ignition module. Figure 2-20. F
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Model OFE/OFG/OEA/OGA-341, 342 2-9. IGNITION MODULE During normal operation, the ignition modules send 24 volts to the ignitors and gas valve. If a module does not sense a pilot flame, the module starts the ignition process again. But, if a pilot light goes out for longer that 10 seconds, or it goes out 3 times within 10 seconds, the module ke
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Model OFE/OFG/OEA/OGA-341, 342 2-10. TRANSFORMER The transformer reduces voltage down (to 24V) to accommodate REPLACEMENT those components with low voltage. 1. Remove electrical power supplied to the unit. To avoid electrical shock or property damage, move the power switch to OFF and disconnect main circuit breaker, or unplug cord
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Model OFE/OFG/OEA/OGA-341, 342 2-12. VACUUM SWITCH This switch senses the airflow from the induction blower. If REPLACEMENT the airflow is reduced below a set amount, the switch opens and the I/O board cuts power to the gas control valve, which shuts the pilot flame off. 1. Remove electrical power supplied to the unit.
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Model OFE/OFG/OEA/OGA-341, 342 2-13. DRAIN MICROSWITCH Upon turning the drain handle, the drain microswitch should REPLACEMENT “open”, cutting off the pilot flame. This will prevent the fryer from heating while shortening is being drained from the frypot. 1. Remove electrical power supplied to the unit. To avoid electrical shock or prope
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Model OFE/OFG/OEA/OGA-341, 342 2-14. FILTER SWITCH 3. Label and remove the wires from the switch. With test REPLACEMENT instrument check across the terminals of the switch. With the (Continued) switch in the on position, the circuit should be closed. With the switch in the off position, the circuit should be open. If the switch is de
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Model OFE/OFG/OEA/OGA-341, 342 2-15. GAS CONTROL VALVE REPLACEMENT (Continued) 1. Remove right side panel. Figure 2-37. Figure 2-37 2. Label and remove wires from gas valve. Figure 2-38 Figure 2-38 3. Using a 7/16 wrench, remove the pilot line from the gas valve. Figure 2-39
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Model OFE/OFG/OEA/OGA-341, 342 2-15. GAS CONTROL VALVE REPLACEMENT (Continued) 5. Using a pipe wrench, loosen the outlet fitting to the burner. Figure 2-41. Figure 2-41 6. Using a Phillips screwdriver, remove the 2 screws securing the gas valve to the bracket and remove gas valve from unit. Figur
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Model OFE/OFG/OEA/OGA-341, 342 2-16. BLOWER MOTOR REPLACEMENT (Continued) 3. Remove the wire cover from the blower motor housing. Figure 2-44. Figure 2-44 4. Remove wire nuts connecting blower motor wires to wires in conduit. Figure 2-45. Figure 2-45 5. Loosen condui
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Model OFE/OFG/OEA/OGA-341, 342 2-16. BLOWER MOTOR REPLACEMENT (Continued) 8. Using 3/8 inch nut driver, remove nuts securing blower to the unit. Figure 2-48. Pull blower from unit. Figure 2-48 9. Install new blower in reverse order. 2-17. HEATING ELEMENTS (ELECTRIC) Heating elements
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Model OFE/OFG/OEA/OGA-341, 342 2-17. HEATING ELEMENTS 4. Perform an ohm check on one element at a time, with wires (ELECTRIC) disconnected. The 2 elements actually have 3 small heating (Continued) elements inside the outer plate. It’s important to check between the correct wires to obtain an accurate ohm reading. The wires are l
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Model OFE/OFG/OEA/OGA-341, 342 2-18. HEATING Each well of an electric fryer requires two switching contactors. CONTACTORS The first in line is the primary contactor and the second in line is (ELECTRIC) the heat contactor. When open, the primary contactor does not allow power to flow to the heat contactor. When closed, the primary supplies voltage
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Model OFE/OFG/OEA/OGA-341, 342 2-18. HEATING CONTACTORS (ELECTRIC) (Continued) To avoid electrical shock, make connections before applying power, take reading, and remove power before removing meter leads. The following checks are performed with the wall circuit breaker closed and the main power switch in the
