Kohler — Installing Automatic Transfer Mechanism
Installation
From a Kohler service manual — check it applies to your exact model before use.
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Before you start
- Connections are polarity-sensitive. Ensure wiring harnesses are routed as illustrated.
Procedure
- If present, remove the center screw holding the main circuit breaker in place.
- Install the transfer mechanism mounting post; torque to 3.4 Nm (30 in. lb.).
- Check the location indicator; if not in the generator position, manually set it.
- Set the main circuit breaker handle to OFF and the generator circuit breaker handle to ON.
- Install leads LC1-A and LC2-A of the long control harness onto the bus bar studs.
- Secure both connections with a 1/4-20 x 7/16 in. hex nut assembly; torque to 5.7-8.5 Nm (50-75 in. lb.).
- Connect lead N-A to the load-center neutral; torque to 2.3 Nm (20 in. lb.).
- Mount the transfer mechanism with the actuator spring on the right side of the generator CB handle.
- Secure with one 8-32 x 1/2 in. Phillips screw; torque to 1.7 Nm (15 in. lb.).
- If a Spanish label is required, apply it on top of the English hazard label.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 3.4 Nm (30 in. lb.)
- 5.7-8.5 Nm (50-75 in. lb.)
- 2.3 Nm (20 in. lb.)
- 1.7 Nm (15 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.