Kohler Series S340 — Manual Operation Test
Testing & diagnosis · Bypass Switch, Isolation Switch, Transfer Switch
For the Kohler Series S340, from the Kohler service manual.
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Before you start
- Hazardous voltage can cause death or severe injury. The switch will now be energized. Proceed with care!
Procedure
- Close the normal-source circuit breaker.
- Bypass the Automatic Transfer Switch.
- 150-800-Amp: turn the bypass handle to the NORMAL position.
- Isolate the Automatic Transfer Switch.
- 150-400-Amp: insert the manual operating lever in the main shaft.
- 600-800-Amp: place the operating handle onto the pivot shaft extension.
- Move the operating handle or lever to manually operate the transfer switch; it should operate smoothly without binding.
- Return the transfer switch to the Normal position, remove the operating lever and store it on the transfer switch.
Tools required
- Manual operating handle/lever 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.