Kohler Series S340 — Transfer Switch Removal
Repair & overhaul · Automatic Transfer Switch
For the Kohler Series S340, from the Kohler service manual.
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Before you start
- The Bypass-Isolation Switch is energized! Do not touch isolation contact fingers. Shock, burns and death could result.
- Hold Transfer Switch firmly when safety retaining nut is removed to prevent Transfer Switch from falling outward.
Procedure
- Bypass and isolate the Automatic Transfer Switch; padlock the isolation handle in the OPEN position.
- Open the cabinet door (lower door on 600-800-Amp switches).
- Separate the in-line disconnect plugs by squeezing the plugs; do not pull on the harness wires.
- Label, tape and disconnect wires to auxiliary contacts on 600-800-Amp transfer switches.
- 150-400-Amp: lift the panel latch (upper left of ATS panel) and pull the Transfer Switch straight out on the guide rods. Weight about 30 pounds (15 kg).
- 600-800-Amp: remove safety retaining nut, push down the spring-loaded balancing handle until bushings are at top of key slots, grasp the back panel and pull straight out. Weight about 100 pounds (50 k
- Close the cabinet door.
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.