Kohler — Service Disconnect Procedure
Operation · Service disconnect switch
From a Kohler service manual — check it applies to your exact model before use.
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Before you start
- On service entrance transfer switches, the line side lugs are active at all times.
- Only authorized personnel should open the enclosure.
- Disconnect the battery cables before working on the generator set. Remove the negative (--) lead first.
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 Utility Disconnected light is illuminated.
- Open the generator set circuit breaker and disable the generator set.
- Move the generator set master switch to the OFF/RESET position.
- Disconnect power to the battery charger.
- Remove the battery cables, negative (--) lead first.
- The Utility Disconnected light will turn off at this point.
- Use a voltmeter to verify that power is disconnected before servicing connected equipment.
- Attach a safety lockout padlock to the service disconnect control switch.
Tools required
- Voltmeter Amazon
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.