Kohler — Procedure to Drain Cooling System
Maintenance
From a Kohler service manual covering: KG100, KG125, KG125R, KG150, KG180, KG200, KG80. Check it applies to your exact model before use.
Applies to: Kohler KG100, Kohler KG125, Kohler KG125R, Kohler KG150, Kohler KG180, Kohler KG200, Kohler KG80
Before you start
- Hot coolant and steam can cause severe injury or death.
Procedure
- Stop the generator set and allow it to cool.
- Deenergize the block heater, if equipped.
- Cover the pressure cap with a rag and remove it to prevent air pockets.
- Open the radiator and/or engine block coolant drain valve(s) and allow the system to drain.
- If mineral deposits or dirt/grease are present, proceed to flush and clean; otherwise proceed to refill.
Full service-parts list: Kohler KG150 →, Kohler KG80 →
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.