Power Supply Board (Removal / Installation)
Use a grounded strap when handling any electronic components
• The power supply has no user serviceable parts except for the fuses. No attempt should be made to repair a damaged supply. Return to the factory
• Disconnect the 4-pin controller board wiring harness from the power board.
• Remove the muffler as described in “Muffler (Removal/Installation).”
• The power supply board is held in place by channels on the side of the rear case as well as retaining brackets on the front case.
• To remove the power board slide the board out from the rear case.
• Installation is the reverse of removal.
Fan and Screen (Removal / Installation
• Disconnect the 2-pin fan connector from the power board.
• Observe the angle and orientation of the fan and screen prior to removal to ease reassembly. (Diagram 04)
• Slide the fan and screen out of the case by pulling straight out.
• Installation is the reverse of removal. For optimum cooling and quietness, use only Kendall replacement fans.
Main Controller Board (Removal/Installation)
Use a grounded strap when handling any electronic components
• The main CPU board has no user serviceable parts. No attempt should be made to repair a damaged board. Return to the factory for repair or
• Disconnect the 4 pin controller board wiring harness from the power board.
• The main CPU board is located on the front cover and is held in place with two screws.
• Disconnect the two membrane ribbon cables by sliding them out of the connectors on the controller board.
• Remove the controller board.
• Installation is the reverse of the removal.
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