2301 ELECTRIC GOVERNOR FOR GENERATOR SET AND INDUSTRIAL ENGI Caterpillar

Step 1. Check External Idle Switch

Test Procedure:

With no load applied to engine, run engine at Rated speed. Now remove external Idle Switch from control terminals T14 & T15 (Standby unit, T9 & T10).

Expected Results:

Engine speed returns to Low Idle.

Step 2. Low Idle Speed Adjustment

Test Procedure:

Make an adjustment to LOW IDLE SPEED potentiometer (CCW to reduce speed; CW to increase speed).

Expected Results:

Engine speed will change to correct setting.