Kohler — Contactor Installation
Repair & overhaul
From a Kohler service manual — check it applies to your exact model before use.
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Before you start
- Hazardous voltage. Can cause severe injury or death. Disconnect power sources before servicing.
Procedure
- On 25-80 ampere mechanically held contactors, install the mechanical latch.
- Install the auxiliary switch on the contactor.
- Install the mechanical interlock on the contactor assembly.
- Place the contactor assembly onto the switch plate and mate the mechanical interlocks. Install and tighten the screws.
- Reconnect the contactor's auxiliary switch and coil to the main harness assembly.
- Reinstall the tie bars between the load connectors of the two contactor assemblies.
- Place the switch panel back into the enclosure. Install the screws and flat washers.
- Reconnect P1 of the switching device panel harness to P1 of the logic control and interface panel harness.
- Reconnect the power source and load connections to the contactor terminals.
- Shut the enclosure door.
- Return the ATS to normal operation.
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.