Kohler 12RES — Storage Procedure
Maintenance · Generator set
For the Kohler 12RES, from the Kohler operator's manual.
Applies to: Kohler 12RES, Kohler CH 740 engine
Before you start
- Perform storage procedure before removing generator set from service for three months or longer.
Procedure
- Operate generator set until operating temperature, about 15 minutes, then stop.
- While engine is still warm, drain lubrication oil from crankcase.
- Refill crankcase with oil, run a few minutes, and stop.
- Fuel system: start engine, shut off gas supply, run until engine stops.
- Place master switch in OFF/RESET position.
- Cylinder lubrication: remove spark plugs and pour one tablespoon of engine oil into each plug hole.
- Install spark plugs and ground the leads (do not connect to plugs).
- Toggle master switch to crank engine two or three revolutions.
- Clean exterior; seal engine openings with nonabsorbent tape.
- Mask electrical contact areas and apply light film of oil to unpainted surfaces.
- Battery last: place master switch in OFF/RESET, disconnect battery negative lead first.
- Clean battery and place in warm, dry location.
- Connect battery to float/equalize charger or charge monthly with trickle charger.
Specs & values
- Engine oil: see Section 3.3.3 recommendations
Full service-parts list: Kohler 12RES →
Source: Kohler operator's 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.