Compressor Pulley: Adjustments

Drive Plate with Overload Protection, Checking Run-Out and Adjusting

- Remove compressor.

- Clean flange at drive plate - A -





- Secure a dial gauge - B - using a dial gauge holder - C - (e.g. using dial gauge holder (VW 387)) on compressor.

- Set probe of dial gauge - D - on flange of drive plate - A - with a pre-tension of approximately 1.0 mm.

- Turn compressor drive unit - E - several rotations.

Specification: Run-out deviation is less than 0.21 mm (run-out of dial indicator, difference between smallest and largest measured value 0.2 mm maximum)

- If run-out deviation is greater than 0.2 mm, loosen bolts on drive plate => [ Drive Plate with Overload Protection ] Drive Plate with Overload Protection and re-adjust drive plate.