Kohler TP-6808 — Contactor Replacement Procedure (Three-Phase)
Repair & overhaul · contactor assembly
For the Kohler TP-6808, from the Kohler service manual.
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Before you start
- Disconnect all power sources before opening the enclosure.
Procedure
- Disable all connected generator sets; disconnect normal and emergency power.
- Open the enclosure; check for zero volts on normal and emergency lugs.
- Remove tie wraps; disconnect contactor harness from interface board harness.
- Disconnect engine start leads and power cables, marking each cable.
- Remove four nuts securing the power panel; remove the contactor.
- Install new contactor onto the studs; fasten with flat washers, lock washers, nuts.
- Torque the nuts to 7.3 Nm (65 in. lb.).
- Connect load, normal, emergency cables; tighten bolts to 16.3 Nm (12 ft. lb.).
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Nuts 7.3 Nm (65 in. lb.)
- Connecting bolts 16.3 Nm (12 ft. lb.)
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.