Compressor Pulley: Service and Repair

1 Remove spring plate. Service and Repair





2 Remove locking ring (2) and holding ring (5).

1 Pulley
2 Locking ring





3 Insert guide piece (2) into bore in head member of compressor.

1 Pulley
2 Guide piece

4 Pull-off pulley (1) with puller (3).

Installation

5 If the same pulley is reinstalled, clean friction surface of pulley. If friction surface is damaged, e.g. by overheating, replace pulley together with spring plate.





6 Knock pulley (1) with the assistance of punch (2) onto guide journal of refrigerant compressor. Position punch in such a manner that the impact force is guided against inner bearing race and the bearing itself is not damaged.

1 Pulley
2 Punch





7 Check pulley for unobstructed operation. Then insert locking ring (2) with flat side down.

1 Pulley
2 Locking ring

8 Install spring plate. Service and Repair