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Home›Repair guides›Cummins/Onan›Changing Frequency and Reconnecting the Generator

Cummins/Onan — Changing Frequency and Reconnecting the Generator

Installation

From a Cummins/Onan service manual — check it applies to your exact model before use.

Applies to: Cummins/Onan MDKB, Cummins/Onan MDKBH

Before you start

  • Disconnect the negative battery cable before removing a panel or access door.

Procedure

  1. Connect J5 to P6 for 60 Hz.
  2. Disconnect J5 from P7 for 50 Hz.
  3. Apply the appropriate reconfiguration label over the As Manufactured block on the nameplate.
  4. Reconnect the generator for the application voltage per the generator connection schematic.
  5. Note it may be necessary to change circuit breakers to provide required protection or full genset power.
  6. Adjust voltage if necessary.

Specs & values

  • Configuration code number for this genset is 19

Full service-parts list: Cummins/Onan MDKB →, Cummins/Onan MDKBH →

Source: Cummins/Onan 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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