Kohler MPAC 1500 — Service Disconnect Procedure
Maintenance · Automatic transfer switch
For the Kohler MPAC 1500, from the Kohler service manual.
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Before you start
- Hazardous voltage. Will cause severe injury or death. Only authorized personnel should open the enclosure.
- On service entrance transfer switches, the line side lugs are active at all times.
- Controller power is not disconnected by the service disconnect procedure.
Procedure
- Move the service disconnect control switch on the transfer switch door to the SERVICE DISCONNECT position.
- The engine start contacts close, signaling the generator set to start.
- When the emergency source is available, the ATS transfers to the emergency source.
- Check that the utility breaker is open and the service disconnected pilot light is illuminated.
- Open the generator set circuit breaker, move the master switch to OFF/RESET, disconnect the battery charger, and remove battery cables (negative lead first).
- Use a voltmeter to verify that power is disconnected before servicing connected equipment.
- Attach a safety lockout padlock to the service disconnect control switch and verify the door is locked closed.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.