Differential lock operating mechanism - Check leaktightness and condition - AP29.00-P-2953G

MODEL 460, 461, 463 

Illustrated on model 460 

Fig 1: Identifying Master Cylinder

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Slave Cylinder

Courtesy of MERCEDES-BENZ USA

Shown on model 461.302 

Fig 3: Identifying Pressure Transducer Unit

Courtesy of MERCEDES-BENZ USA

	Checking
	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.	AS00.00-Z-0010-01A
	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
1	Raise vehicle with vehicle lift
	Lift/jack up vehicle		AR00.60-P-1000G
2	Check both master cylinders (1) for leaks	Model 460, 461 with master cylinders Visual inspection: The dust boots must be tightly fitted and should not exhibit any damage.
3	Remove cover in right front fender	Model 463.200/204/207/220/221/224/225/227/304/307/324/325/327/328
4	Remove shields under pressure transducer unit (5)	If installed.
5	Check pressure transducer unit (5) for leaks	Visual inspection.
6	Check slave cylinder (4) on front and rear axle for leaks	Visual inspection.
7	Check connector hoses	The connector hoses must not be cracked, spongy, swollen or chafed. They must be free of paint, grease and oil.
8	Check lines and connections for leaks	The lines must not be pinched or chafed, or show signs of rust.
9	Install shields under pressure transducer unit (5)	If installed.
10	Install cover in right front fender	Model 463.200/204/207/220/221/224/225/227/304/307/324/325/327/328
11	Lower vehicle