Setting play between thrust element and steering rack · ar4620d0601b · Mercedes-Benz WIS

AR46.20-D-0601B

Setting play between thrust element and steering rack

17.6.11

MODEL 900, 906

	Removing
 Danger!	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
 Danger!	Risk of injury to skin or eyes caused by hydraulic fluid spraying out under high pressure. Risk of poisoning caused by swallowing hydraulic fluid	Depressurize hydraulic system completely before starting any work on system. Wear protective clothing and safety glasses.	AS00.00-Z-0013-01A
1	Eliminate pressure in steering system	 To do this, rotate the vehicle several times slowly up to the stop when the vehicle is raised.
2	Turn steering gear to center position
3	Remove bottom engine compartment paneling	On vehicles with passenger car approval.
4	Loosen boot of left tie rod on steering gear	 Do not detach boot from tie rod. On right-hand drive vehicles, loosen boot of right tie rod from steering gear.	AR46.40-D-9998C
	Checking
5	Check adjustment screw on steering gear for center punch marks	 If the adjustment screw is secured by center punch marks, the play may still only be checked but no longer be adjusted.
6	Check and if necessary adjust play between the thrust piece and steering rack		AR46.20-D-0601-01A
		 Pulling hook	*140589023300
		 Bracket	*906589013100
		Small diameter 40 DIN 878 stem 23.5 long, probe 13 mm long e.g. Hahn and Kolb
		 Toothed rack test torque	*BA46.20-N-1006-01C
		Play between thrust piece and steering rack	*BE46.20-N-1001-01H
	Spanner for checking steering play		WF58.50-D-6520-01A
		 Replace thrust piece at test values of 0.31 mm to 0.6 mm: 
		Replace thrust piece of steering gear	AR46.20-S-0601-02S
		 Replace the steering gear at test values above 0.61 mm: 
		Remove/install steering gear	AR46.20-D-0500H
7	Check steering gear for clamping points and noise	 To do this, rotate the steering gear several times slowly up to the stop.
8	Check the play between the thrust piece and steering rack again	 Repeat procedure if necessary	AR46.20-D-0601-01A
		 Pulling hook	*140589023300
		 Bracket	*906589013100
		Small diameter 40 DIN 878 stem 23.5 long, probe 13 mm long e.g. Hahn and Kolb
		 Toothed rack test torque	*BA46.20-N-1006-01C
		Play between thrust piece and steering rack	*BE46.20-N-1001-01H
	Spanner for checking steering play		WF58.50-D-6520-01A
		 Replace thrust piece at test values of 0.31 mm to 0.6 mm: 
		Replace thrust piece of steering gear	AR46.20-S-0601-02S
9	Secure the adjustment screw at the circumference with three center punch marks	Only after adjusting the play.
	Install
10	Fasten boot of tie rod on steering gear	 Replace clamp if necessary. 
		Remove/install bellows	AR46.40-D-9998C
11	Install lower engine compartment paneling	On vehicles with passenger car approval.

Test values for steering gear

Number	Designation		Model 900	Model 906


BE46.20-N-1001-01H	Play between thrust piece and steering rack	mm	0.04...0.08	0.04...0.08

 Steering gear

Number	Designation			Model 900	Model 906


BA46.20-N-1006-01C	Toothed rack test torque	Test torque	Nm	22	22

Setting play between thrust element and steering rack

Bracket

Extraction hook

906 589 01 31 00

140 589 02 33 00

Referenced documents

ar4620d0500h Remove/install steering gear
ar4620d060101a Check/adjust play between the thrust piece and steering rack
ar4620s060102s Replace thrust piece of steering gear
ar4640d9998c Remove/install bellows
as0000z001001a Risk of death caused by vehicle slipping or toppling off of the lifting platform.
as0000z001301a Risk of injury to skin or eyes from hydraulic fluid spraying out under pressure.Risk of poisoning from swallowing hydraulic fluid.
wf5850d652001a Spanner for checking steering play