Kohler Series S340 — Isolation
Operation · Isolation Switch
For the Kohler Series S340, from the Kohler service manual.
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Before you start
- Align the indicator. Do not leave the handle in an intermediate position.
Procedure
- Bypass the closed Automatic Transfer Switch contacts by carefully following directions under Bypassing.
- Check the load-connected-to lamps to see which source is connected to load.
- 150-400-Amp: turn the Isolation Handle to the TEST position, then pull out the handle and continue turning it to the OPEN position.
- 150-400-Amp: to lock the handle, pull out the locking lever in the face plate and insert a padlock.
- 600-800-Amp: push in and turn the Isolation Handle to the TEST position, then push in again and turn to OPEN; padlock the Isolation Handle.
- The Transfer Switch can now be removed for bench inspection and maintenance.
Tools required
- Padlock 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.