Heating and Air Conditioning: Adjustments

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

- Remove the A/C compressor. Refer to S5 => [ A/C Compressor ] A/C Compressor or RS5 => [ A/C Compressor ] A/C Compressor.

- Clean the drive plate flange - A -.






- Secure a dial gauge - B - using a dial gauge holder - C - (for example using dial gauge holder (VW 387) ) on A/C 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 - a few turns.

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, and re-adjust drive plate.