Kohler — React Droop Compensator Testing
Testing & diagnosis · Reactive droop compensator load sharing
From a Kohler service manual covering: 125REOZJG, 150 REOZJ4, 150REZG, 175REOZT4, 2000REOZM, 2000REOZMD, 2250REOZDD, 275REOZJD, 275REOZJE, 400REZX, 400RZX, 48REOZK4…. Check it applies to your exact model before use.
Applies to: Kohler 125REOZJG, Kohler 150 REOZJ4, Kohler 150REZG, Kohler 175REOZT4, Kohler 2000REOZM, Kohler 2000REOZMD, Kohler 2250REOZDD, Kohler 275REOZJD, Kohler 275REOZJE, Kohler 400REZX, Kohler 400RZX, Kohler 48REOZK4
Procedure
- Parallel the units at 1/2 to full load; verify each unit carries equal kW load or load proportional to capacity using wattmeter readings.
- If load unbalance exists, adjust and recheck the electronic governor throttle control.
- With load balanced, check ammeters for equal current or proportional according to capacity.
- If currents are incorrect, adjust the reactive droop compensator rheostat reducing the current of the unit with the highest reading.
- Stop each generator set by placing Master switch in OFF.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Full service-parts list: Kohler 125REOZJG →, Kohler 150 REOZJ4 →, Kohler 175REOZT4 →, Kohler 2000REOZM →, Kohler 2000REOZMD →, Kohler 2250REOZDD →, Kohler 275REOZJD →, Kohler 275REOZJE →, Kohler 48REOZK4 →
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.