Compressor Pulley: Adjustments

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

- Remove compressor. Refer to => [ Compressor, S8 10 Cylinder ] Service and Repair.

- Clean flange at drive plate - A -





- Secure a dial gauge - B - using a dial gauge holder - C - 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. Refer to => [ Drive Plate with Overload Protection ] Drive Plate With Overload Protection and re-adjust drive plate.