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2-1. INTRODUCTION
2-2. MAINTENANCE HINTS
2-3. HIGH TEMPERATURE
LIMIT CONTROL
(Gas Units)
Figure 2-1
Checkout
Figure 2-2
1003
SECTION 2. MAINTENANCE
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.
1. You may need to use a multimeter to check the electric
components.
2. When the manual refers to the circuit being closed, the
multimeter should read zero unless otherwise noted.
3. When the manual refers to the circuit being open, the
multimeter will read infinity.
This high temperature control is a safety, manual reset control,
which senses the temperature of the shortening. If the short-
ening temperature exceeds 425°F (218°C), this switch opens
and shuts off heat to the frypot. When the temperature of the
shortening drops to a safe operation limit, the control must be
manually reset by pressing the red reset button. The red reset
button is located under the control panel, in the front of the fryer.
(Figure 2-1). This allows heat to be supplied to the frypot.
Before replacing a high temperature limit control, check to see
that its circuit is closed.
The shortening temperature must be below 380°F (193°C)
to accurately perform this check.
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. Remove the control panel. Figure 2-2.
Model OFE/OFG/OEA/OGA-341, 342
2-1
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Summary of Contents for Henny Penny 342
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Page 1: Section 2. Maintenance
The red reset button is located under the control panel, in the front of the fryer. (Figure 2-1). This allows heat to be supplied to the frypot. -
Page 2: High Temperature Limit Control
If the circuit is open, replace the control, then continue with this procedure. (If the circuit is closed, the high limit is not defective. Re- connect the two electrical wires.) Model OFE/OFG/OEA/OGA-341, 342 1003... - Page 3 To avoid electrical shock or other injury, run the capillary line under and away from all electrical power wires and terminals. The tube must never be in such a position where it could accidentally touch the electrical power terminals. Model OFE/OFG/OEA/OGA-341, 342...
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Page 4: Complete Control Panel Replacement
In the off position, the circuit should be open. If the switch checks defective, replace by continuing with this procedure. Figure 2-11. Model OFE/OFG/OEA/OGA-341, 342... -
Page 5: Temperature Probe Replacement (Gas)
2. Drain the shortening from the frypot. 3. Remove the control panel and heat shield from control area. Figure 2-13. 4. Using a ½ inch wrench, remove the nut on the compression fitting. Figure 2-14. Model OFE/OFG/OEA/OGA-341, 342... - Page 6 Excess force will damage probe. 8. Connect new probe to PC board and replace control panel. 9. Replace shortening, and turn power on to check out fryer. The temperature probe relays the actual shortening temperature to the control board. If it becomes disabled, “E06” shows in the display.
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Page 7: Flame Sensor/ Pilot / Ignitor Assembly (Gas)
7. Reconnect new probe onto wires, replace rear cover, and fryer is now ready for use. The Henny Penny open fryer (gas) has electronic spark ignition that lights a standing pilot. The gap between the spark electrode and the pilot hood should be1/8 of an inch (3.18 mm). The flame sensor recognizes the pilot flame and allows gas to continue to the pilot. - Page 8 4. Using a 7/16” wrench, loosen the nut on the pilot tube and pull tube from assembly. Figure 2-21. 5. Remove the two screws securing the assembly and pull assembly from unit. Figure 2-22. 6. Now the flame sensor or or pilot assembly can be removed from bracket. Model OFE/OFG/OEA/OGA-341, 342 1003...
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Page 9: Ignition Module
2. Remove the control panel and heat shield from control area. Figure 2-23. 3. Using a 3/8 inch socket, remove the two nuts securing the module. Figure 2-24. 4. Label and remove the wires at module. Figure 2-25. 5. Install new module in reverse order. Model OFE/OFG/OEA/OGA-341, 342... -
Page 10: Transformer Replacement
PC shield and remove shield. Figure 2-28. 4. Disconnect the wire assemblies from the appropriate board. 5. Using a 5/16” nut-driver or wrench, remove the 4 nuts securing the appropriate board to the shroud. 6. Install the new board in reverse order. Model OFE/OFG/OEA/OGA-341, 342 1003... - Page 11 5. Label and remove wires from air switch. Figure 2-31. 6. Install new vacuum switch in reverse order. To avoid property damage, do not tamper with, or disas semble this component. It is set and sealed from the factory and is not to be adjusted. Model OFE/OFG/OEA/OGA-341, 342 2-11...
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Page 12: Filter Switch Replacement
REPLACEMENT Figure 2-34 2-12 “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 property damage, move the power switch to OFF and disconnect main circuit breaker, or unplug cord at wall receptacle. - Page 13 CIRCUIT BREAKERS AT THE CIRCUIT BREAKER BOX OR UNPLUG SERVICE CORD FROM WALL RECEPTACLE. TURN OFF THE MAIN GAS SUPPLY TO THE FRYER AND DISCONNECT AND CAP THE MAIN SUPPLY LINE TO FRYER, OR POSSIBLE EXPLOSION COULD RESULT. Model OFE/OFG/OEA/OGA-341, 342 2-13...
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Page 14: Gas Control Valve Replacement
2. Label and remove wires from gas valve. Figure 2-38 3. Using a 7/16 wrench, remove the pilot line from the gas valve. Figure 2-39. 4. Using a 1-inch wrench, loosen the nut securing the main gas inlet line to the gas valve. Figure 2-40. Model OFE/OFG/OEA/OGA-341, 342 1003... -
Page 15: Blower Motor 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. 2. Remove screws securing the rear cover to the unit. Figure 2-43. Model OFE/OFG/OEA/OGA-341, 342 2-15... - Page 16 3. Remove the wire cover from the blower motor housing. Figure 2-44. 4. Remove wire nuts connecting blower motor wires to wires in conduit. Figure 2-45. 5. Loosen conduit from blower motor. Figure 2-46. 7. Remove screws connecting flue to blower. Figure 2-47. Model OFE/OFG/OEA/OGA-341, 342 1003...
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Page 17: Heating Elements
Be aware the other control on 2-frypot units will have power. 2. Remove rear cover. Figure 2-49. 3. Using a flat-head screwdriver, remove the appropriate wires from the terminal blocks. Figure 2-50. Model OFE/OFG/OEA/OGA-341, 342 2-17... - Page 18 3. Using a Phillip’s-head screwdriver, remove the screws securing the element to the element hinges. Figure 2-51. 4. Pull element from fryer and replace with new element, following steps in reverse order. . Connect the power cord to the wall receptacle or close wall circuit breaker.
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Page 19: Heating Contactors
Figure 2-52 Figure 2-53 1003 Each well of an electric fryer requires two switching contactors. The first in line is the primary contactor and the second in line is the heat contactor. When open, the primary contactor does not allow power to flow to the heat contactor. When closed, the primary supplies voltage to the heat contactor. - Page 20 Be aware the other control on 2-frypot units will have power. 1. Remove only the wires directly connected to the contactor being replaced. Label the wires for replacement. Figure 2-54. Model OFE/OFG/OEA/OGA-341, 342 Results The voltage should read the same at each terminal...
- Page 21 Label the wires for replacement. Figure 2-56. 2. Remove screws securing contactor to unit and remove contactor. Figure 2-57. 3. Install new contactor. 4. Reinstall the control panel. 5. Reconnect power to the fryer and test for proper operation. Model OFE/OFG/OEA/OGA-341, 342 2-21...
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Page 22: Speaker Assembly
6. Pull the speaker connector from control board. Figure 2-61. 7. Using a 5/16” nut-driver or wrench, remove the 2 nuts securing the speaker to the shield and remove speaker from panel. Figure 2-62 8. Install new speaker in reverse order. Model OFE/OFG/OEA/OGA-341, 342 1003... -
Page 23: High Temperature Limit Control
OFF and disconnect main circuit breaker, or unplug cord at wall receptacle. 2. Remove rear cover of fryer. Figure 2-64. 3. Remove the two screws securing the high limit to the bracket and pull high limit from bracket. Figure 2-65. Model OFE/OFG/OEA/OGA-341, 342 2-23... - Page 24 Be aware the other control on 2-frypot units will have power. 1. Drain the shortening from the frypot. 2. Remove capillary from brackets on upper part of element. Figure 2-67. 3. Remove capillary bulb from bulb holder inside the frypot. Model OFE/OFG/OEA/OGA-341, 342 1003...
- Page 25 1003 4. Straighten the capillary tube, and pull capillary tube through the hole in the element hinge, from the rear of the fryer. 5. Remove the defective control from the fryer. 6. Straighten the capillary tube on the new high limit, and thread the capillary tube through the hole in the element hinge.
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Page 26: Filter Pump And Motor Removal
4. Loosen screws on conduit connector and pull conduit from the connector. Figure 2-72. 5. Disconnect filter union to filter in drain pan. 6. Using a pipe wrench, disconnect the outlet pipe to frypot. Figure 2-73. Model OFE/OFG/OEA/OGA-341, 342 1003... -
Page 27: Motor Removal
2. Remove control panel. 3. Label and remove wires from transformer. Figure 2-75. 4. Using 3/8” nut-driver or wrench, remove nuts securing transformer to panel and remove transformer from panel. Figure 2-76. 5. Install new transformer in reverse order. Model OFE/OFG/OEA/OGA-341, 342 2-27... - Page 28 OFF and disconnect main circuit breaker, or unplug cord at wall receptacle. 2. Drain shortening from frypot. 3. Remove basket and knock pin from basket hanger. Figure 2-78. 4. Remove rear cover. Figure 2-79. Model OFE/OFG/OEA/OGA-341, 342...
- Page 29 5. Disconnect actuator connector. Figure 2-80. 6. Remove female connector from plate. Figure 2-81. 7. Using 7/16” socket, remove the 4 nuts securing the support plate. 2 nuts are behind the insulation. Figures 2-82 & 2-83. Model OFE/OFG/OEA/OGA-341, 342 2-29...
- Page 30 Figure 2-84. 9. Using a 15T torx driver, remove the 2 torx screws from the back shroud, and pull the actuator from the unit. Figure 2-85. 10. Install new actuator in reverse order. Model OFE/OFG/OEA/OGA-341, 342 1003...