Adjust cylindrical actuator - AR33.40-P-0402A

MODEL 460 with CODE (A70) Front differential lock 

MODEL 461 (except 461.331) with CODE (A70) Front differential lock 

MODEL 463 (except 463.270/271) with CODE (A70) Front axle differential lock up to model year 2013/facelift 2012 

Fig 1: Pressure Switch And Shift Cylinder

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Screw in pressure switch (1)	Initial torque	*BA33.40-P-1004-01A
			Figure
2	Secure cylindrical actuator (2) in the axle housing so that it can still be moved quite easily
3	Operate cylindrical actuator and lock dog clutch in position
4	Move cylindrical actuator until it contacts the stop on the dog clutch detectably	The inner spring must not be tensioned, i.e. when released the cylindrical actuator must not move backwards.
5	Tighten the cylindrical actuator (2) securely		*BA33.40-P-1003-01A
6	Tighten pressure switch (1)	Final torque	*BA33.40-P-1004-01A
			Figure

Fig 2: Identifying Wrench Socket (620 589 01 09 00)

Courtesy of MERCEDES-BENZ USA