Remove, install differential lock shift cylinder - AR33.40-P-0403GG

MODEL 460, 461, 463 (except, 461.331, 463.270 /271) with CODE (A70) Front axle differential lock 

Fig 1: Identifying Shift Cylinder

Courtesy of MERCEDES-BENZ USA

	Removing
	Risk of poisoning  caused by swallowing brake fluid. Risk of injury  caused by brake fluid coming into contact with skin and eyes.	Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid.	AS42.50-Z-0001-01A
1	Detach hydraulic line from cylindrical actuator (1)	Seal off line end and threaded connection with plugs. Escaping brake fluid can damage the paint.
	Brake fluid notes		AH42.50-P-0001-01A
2	Unscrew union nut and connector of the electrical connection
3	Mark the installed position of the cylindrical actuator (1) relative to the axle tube	Only if the shift cylinder (1) or parts of the differential lock are not replaced.
4	Unscrew the mounting screws and remove cylindrical actuator (1)
	Install
5	Install shift cylinder (1) of differential lock	If necessary observe the marking applied beforehand. If the shift cylinder (1) has been disassembled or parts of the differential lock have been replaced, see: ↓
		Adjust cylindrical actuator	AR33.40-P-0402A
			*BA33.40-P-1003-01A
6	Connect connector of electrical connection and screw on union nut
	Risk of poisoning  caused by swallowing brake fluid. Risk of injury  caused by brake fluid coming into contact with skin and eyes.	Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid.	AS42.50-Z-0001-01A
7	Attach hydraulic line
	Brake fluid notes		AH42.50-P-0001-01A
	Risk of poisoning  caused by swallowing brake fluid. Risk of injury  caused by brake fluid coming into contact with skin and eyes.	Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid.	AS42.50-Z-0001-01A
8	Bleed differential lock hydraulic system		AR33.40-P-0701GG
	Brake fluid notes		AH42.50-P-0001-01A