Kohler — Generator Reconnection (12-Lead Three-Phase)
Installation · Stator/alternator leads
From a Kohler service manual covering: 14/20RCA/RCAL, 14RCA, 20RCA, 26RCA, 26RCA/RCAL. Check it applies to your exact model before use.
Applies to: Kohler 14RCA, Kohler 20RCA, Kohler 26RCA, Kohler CH740 / CH1000 / CH1006 engine
Before you start
- Do not change frequency (60 Hz to 50 Hz) in the field.
Procedure
- Press OFF on RDC2 controller.
- Disconnect engine starting battery, negative lead first.
- Disconnect utility power to generator set.
- Remove circuit breaker cover and controller panel for alternator leads and CTs.
- Replace circuit breaker with correct part for new voltage rating.
- Select desired voltage connection and connect leads per diagram.
- Reconnect starting battery, negative lead last.
- Check system voltage, frequency, phase settings in Controller Setup.
Tools required
- Digital multimeter (DVM) Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Order voltage reconnection decal 246242 Amazon eBay $9.67
Full service-parts list: Kohler 14RCA →, Kohler 20RCA →, Kohler 26RCA →
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.