Pretension rear axle housing with spreader (brace) - AR35.31-P-0550-23T

TEST VALUES FOR FRICTION TORQUE OF REAR AXLE DIFFERENTIAL

Number	Designation		Model 171.456	Model 211.006/054/056/065/082/087/092/206/254/256/265/282/287/292/606, Model 211.004 with code 450
BE35.31-P-1002-04F	Rear axle housing expansion (spread dimension) when installing circlip	mm	0.3	0.3

TEST VALUES FOR FRICTION TORQUE OF REAR AXLE DIFFERENTIAL

Number	Designation		Model 219.356	Model 230.467
BE35.31-P-1002-04F	Rear axle housing expansion (spread dimension) when installing circlip	mm	0.3	0.3

Fig 1: Identifying Spreader (140 589 05 31 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 2: Identifying Contact Arm (126 589 08 21 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Attach spreader (058) to the rear axle housing; to do this, tighten collar bolts (arrows) (guidance value: approx. 50 Nm).

Fig 3: Locating Collar Bolts
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Turn flat surface (arrow) on thrust piece to the bottom.
Screw in the threaded spindle (058a) of the spreader (058) by hand until the thrust piece abuts the tapered roller bearing outer race (11a).

Fig 4: Screwing In Threaded Spindle Of Spreader
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fit contact arm (059) for spread measurement on spreader and press against the two pins from below.
Set dial gauge to "0" with 3 mm preload.

Stop bolt (arrow) of the contact arm (059) must abut with contact surface of rear axle housing

Fig 5: Positioning Measuring Yoke On Spreader
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Screw in the threaded spindle (058a) of the spreader until the rear axle housing has reached the specified spread dimension.
Do not exceed the spread dimension when spreading. Otherwise the rear axle housing may become damaged.
Remove contact arm (059).

Fig 6: Removing Contact Arm

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.