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 at wall receptacle.

2.Remove the control panel

Figure 2-26

3.Remove the two wire connectors to disconnect transformer From panel. Figure 2-26.

4.Using a 3/8” nut-driver, remove the two nuts securing the transformer to the panel and remove transformer. Figure 2-27.

5.Install the new transformer in reverse order.

Figure 2-27

2-11. CONTROL & I/O

1. Remove electrical power supplied to the unit.

BOARDS

 

 

REPLACEMENT

 

I/O Power Supply

Control

 

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 the control.

3.Using a 5/16” nut-driver or wrench, remove the 4 nuts securing the PC shield and remove shield. Figure 2-28.

4.Disconnect the wire assemblies from the appropriate board.

Figure 2-28

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.

2-10

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Henny Penny 342 manual Transformer, Boards Replacement