Kohler — Radiator Fan Bearing Lubrication (KD2000-KD4000)
Maintenance · Radiator fan bearings
From a Kohler service manual covering: KD1250-4, KD1750, KD2000, KD2500, KD3250, KD4000, KD700-KD4000, TP-7143. Check it applies to your exact model before use.
Applies to: Kohler KD1250-4, Kohler KD1750, Kohler KD2000, Kohler KD2500, Kohler KD3250, Kohler KD4000
Before you start
- Hazardous voltage. Moving parts. Operate only when all guards and electrical enclosures are in place.
Procedure
- Disable generator set and remove from service.
- Inject grease at remotely located grease fittings on left-hand side of radiator.
- Grease slowly to prevent over-greasing.
- Remove any excess grease.
- Reconnect engine starting battery(ies), negative lead last, and return to service.
Tools required
- grease gun Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Lubricate every 500 hours
- Use lithium grease with EP additive, NLGI 2, suitable for -28°C to +121°C
Full service-parts list: Kohler KD1250-4 →, Kohler KD1750 →, Kohler KD2000 →, Kohler KD2500 →, Kohler KD3250 →, Kohler KD4000 →
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.