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Home›Repair guides›Kohler›SPD Module Replacement

Kohler RDT-CFNC-0200ASE — SPD Module Replacement

Repair & overhaul · Surge Protective Device (SE model)

For the Kohler RDT-CFNC-0200ASE, from the Kohler service manual.

Applies to: Kohler RDT

Before you start

  • Hazardous voltage. Will cause severe injury or death. Must be installed and serviced by qualified electrical personnel.
  • Deenergize all power sources before servicing.

Procedure

  1. Remove the ATS enclosure front panel and move the battery charger circuit breaker to OFF.
  2. Turn the generator set OFF and disconnect power to the battery charger.
  3. Disconnect the generator set starting battery, negative lead first.
  4. Move the Normal service disconnect circuit breaker to OFF.
  5. Remove the ATS enclosure inner panel.
  6. Disconnect the SPD leads from the normal source breaker, ground, neutral, and terminal block.
  7. Remove the 4 SPD mounting screws.
  8. Install the new module and tighten mounting screws to 3 Nm (26 in-lb).
  9. Connect the SPD leads per the service entrance wiring diagram.
  10. Replace the enclosure inner panel.
  11. Close the Normal and Emergency service disconnect circuit breakers.
  12. Reconnect the generator set starting battery, negative lead last.
  13. Reconnect power to the battery charger and close its breaker.
  14. Replace the ATS enclosure front panel.
  15. Put the generator set into AUTO mode.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • SPD mounting screw torque 3 Nm (26 in-lb)

Source: Kohler service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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