Compressor Drive Unit

Compressor Drive Unit

• If drive plate overload protection activates, check compressor for ease of motion before replacing the drive unit. If compressor creates friction, replace it completely.





1 - Compressor Drive Unit

• Check, driveshaft must be seated free of play in splines of engine drive wheel with thread tightened => [ Compressor Drive Shaft ] Compressor Drive Shaft.

• Tightening specification 60 Nm

• Loosening and tightening => [ Compressor Drive Shaft, Loosening and Tightening ] Compressor Drive Shaft, Loosening and Tightening

• Removing and installing => [ Compressor Drive Shaft ] Compressor Drive Shaft

• Lubricate the splines to the engine drive wheel with grease (G 000 100).

2 - Hex Head Bolt

• Tightening specification 10 Nm

3 - Drive Plate

• With overload safeguard, triggers when torque is too-high (e.g. compressor produces friction) and driveshaft runs freely without driving the compressor.

• Run-out, checking and adjusting => [ Drive Plate with Overload Protection, Checking Run-Out and Adjusting ] Adjustments.

• Removing and installing => [ Drive Plate with Overload Protection ] Drive Plate with Overload Protection

4 - Drive Plate

• Attached to compressor input shaft

• With overload safeguard, triggers when torque is too-high (e.g. compressor produces friction) and driveshaft runs freely without driving the compressor.

• Tightening specification 30 Nm

• Removing and installing => [ Drive Plate, from Compressor ] Drive Plate, from Compressor

5 - Rubber Element

• Decouples drive unit, dampens vibrations and noises.

• When installing, coat rubber element lightly e.g. using soapy water (as sliding compound).

• Removing and installing => [ Drive Plate, from Compressor ] Drive Plate, from Compressor

6 - Spacer

• The original disc must be installed

• Dimensions: 17.5 x 10 x 3 mm

7 - Circlip

• Replace

• Install on proper side (level side to compressor)

• Removing and installing => [ Drive Plate with Roller Bearing ] Drive Plate with Roller Bearing

8 - Drive Plate

• With roller bearing.

• Removing and installing => [ Drive Plate with Roller Bearing ] Drive Plate with Roller Bearing

• Clean compressor flange before sliding on drive plate.

9 - Compressor

• Different versions may be installed, depending on engine version and country version of vehicle.