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. .