Kohler — Contact Set Installation (145-400 Ampere Contactors)
Repair & overhaul
From a Kohler service manual — check it applies to your exact model before use.
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Procedure
- Install new contact. Tighten contact screw to torque given in Figure 6-23.
- Repeat step 1 to install new contacts for remainder of the contact set.
- If contactor is rated at 400 amperes, slide pole into pole retainer, install rear retaining pin, and then install front retaining pin.
- If contactor is not rated at 400 amperes, insert top portion of pole into retaining clip, rotate bottom portion of pole inward, and then press pole upward until pole is centered in retaining clip.
- Repeat step 3 or 4 to install new poles for remainder of the contact set.
- Energize coil and check operation of contacts.
- Install contactor cover, tightening captive quarter-turn fasteners to secure cover in place.
Tools required
- L-wrench Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Contact screw torque per Figure 6-23 (145/150 A: 3.6 Nm; 180 A: 6.6 Nm; 245/265 A: 6.6 Nm; 400 A: 10 Nm)
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.