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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. Refer to => [ Compressor Drive Shaft ] Service and Repair.

Tightening specification 60 Nm

Loosening and tightening, refer to=> [ Compressor Drive Shaft, Loosening and Tightening ] Service and Repair

Removing and installing, refer to => [ Compressor Drive Shaft ] Service and Repair

Grease the splines to the engine drive wheel with Grease (G 000 100).

2 - Hex socket head bolt

Tightening specification 10 Nm

3 - Drive plate

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

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

Removing and installing, refer to=> [ Drive Plate with Overload Protection ] Service and Repair

4 - Drive plate

Attached to compressor input shaft

With overload safeguard, triggers when torque is too-high and driveshaft runs freely without driving the compressor.

Tightening specification 30 Nm

Removing and installing, refer to => [ Drive Plate ] Service and Repair

5 - Rubber element

Decouples drive unit, dampens vibrations and noises.

When installing, coat rubber element lightly using soapy water as sliding compound.

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, refer to => [ Drive Plate with Roller Bearing ] Service and Repair

8 - Drive plate

With roller bearing.

Removing and installing, refer to => [ Drive Plate with Roller Bearing ] Service and Repair

Clean compressor flange before sliding on drive plate.

9 - Compressor

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