Removing and installing rear axle spring actuator - AR32.31-P-0615A

MODEL 129 with CODE (216c) Adaptive damping system (ADS II) with electronic level control

Fig 1: Identifying Rear Axle Spring Actuator Components

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	Removing, installing
	Risk of injury to skin or eyes due to hydraulic fluid spraying out under high pressure. Risk of poisoning due to consuming hydraulic fluid.	Before starting work on the hydraulic system, depressurize the system. Wear protective clothing and safety glasses.	AS00.00-Z-0013-01A
1	Detach front wheels		AP40.10-P-4050Z
2	Remove cover in wheel house (arrows).
3	Empty pressure oil system at front axle	Installation : Fill pressure oil system at front and rear axles.	AR32.31-P-0630A
4	Disconnect pressure lines (S1, P4) at spring actuator (14)		*BA32.31-P-1001-04A
			*BA32.31-P-1002-04A
			Figure
5	Unscrew nuts (14f) and remove spring actuator (14) from bracket (14e).
6	Install in reverse order.	Installation Replace self-locking nuts.
	Risk of injury from drilling gas-filled units or components (gas fill is not inflammable)	Wear safety glasses and safety mask.	AS00.00-Z-0006-01A
7	Dispose of spring actuator	Model 129 with code 216c Models 140, 210 with code 217a, 480 Model 202 with code 480	OS32.30-P-0620-01A

TORQUE SPECIFICATION

FRONT AXLE LEVEL CONTROL SPRING ACTUATOR

Number	Designation			Model 129 with electronic level control / ADS III
BA32.31-P-1001-04A	Pressure line of level control/ADS on spring actuator (reference value)	M10x1	Nm	14
BA32.31-P-1001-04A		M16x1.5	Nm	30
BA32.31-P-1002-04A	Nut for attaching spring actuator to bracket		Nm	20

Fig 2: Identifying Box Wrench (116 589 00 17 00)

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