Engine Speed Detecting Circuit

Fig. 7 Idling Stabilizer Amplifier Adjustment Screws.:

1. Start engine and run A/C system.
2. Check that compressor clutch disengages at 600-700 RPM.
3. If cut-off RPM is too high, turn adjusting knob, Fig. 7, clockwise. If cut-off RPM is too low, turn adjusting knob counterclockwise.