Kohler — Cooling System Semi-Annual Service (SCI)
Maintenance
From a Kohler service manual covering: 1000ROZD71, 100RZ82, 1200ROZD71, 125GGKB/4957867, 1500R0ZD, 200REOZV, 200TH2608, 20ROZJ81, 230RE0ZD, 250ROZ281, 275DSE, 275REOZV…. Check it applies to your exact model before use.
Applies to: Kohler 200REOZV, Detroit Diesel 12V149TI engine, Cummins/Onan NTA855 CS2 engine, Cummins/Onan KTA3067 engine, Caterpillar D 343 engine, Caterpillar 3512 D1 engine, Cummins/Onan NT855C engine
Procedure
- Visual inspection of Radiator/Heat exchanger for leaks, damage and obstructions.
- Add coolant to correct level.
- Inspect radiator cap, gasket and sealing surface.
- Visual inspection of water pump and cooling system gaskets for leaks.
- Inspect belts for cracking and fraying.
- Check water jacket heater for proper operation and adjust thermostat setting as needed.
- Check belt tension.
- Inspect flexible water connections for cracking, leaks and pliability.
- Inspect pulleys for excessive wear.
- Analyze coolant for proper antifreeze percentage.
- Analyze coolant conditioner level and add supplemental coolant additive as needed.
- Tighten hose clamps as needed.
- Lubricate fan drive with bearing lubricant.
Full service-parts list: Kohler 200REOZV →, Detroit Diesel 12V149TI engine →
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.