Kohler MPAC 1200 / MPAC 1500 — Closing Coil Replacement, 600 Amp Model KSP
Repair & overhaul
For the Kohler MPAC 1200 / MPAC 1500, from the Kohler service manual.
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Before you start
- Spring-loaded parts. Wear protective goggles when servicing spring-loaded parts. Hold parts securely during disassembly.
Procedure
- Disconnect power and open the transfer switch enclosure.
- Remove the M4 bolts and the M6 bolt; remove the cover from the mechanical unit.
- Note the connections and disconnect the closing coil leads at four locations.
- Hold the closing coil securely and remove four M8 bolts; remove the closing coil.
- Replace the closing coil; reuse the spring from the original coil.
- Align the boss on the coil into the recess in the frame; replace the four M8 bolts.
- Reconnect the four leads.
- Adjust the movable steel shaft as described in the shaft adjustment procedure.
Tools required
- Basic electrician's hand tools
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.