Disassemble, assemble countershaft · ar2850w1018a · Mercedes-Benz WIS

AR28.50-W-1018A

Disassemble, assemble countershaft

13.2.06

Transfer case 750.850 /851 /852 /860 /864 /865

W28.50-0067-05

1 Tapered roller bearing

2 Countershaft

3 Tapered roller bearing

Modification notes

26.1.06

Special tool 748 589 01 34 00 added.

Operation step 2, 3

	Disassemble
1	Disassemble transfer case		AR28.10-W-1001A
2	Remove tapered roller bearing (1)	 Hand pump	*652589003321
		 Hydraulic hose	*652589003323
		 Hydraulic cylinder	*715589153400
		Adapter	*715589123400
		 Adapter	*715589113400
		 Adapter	*748589013400
		Gripper	*750589043400
3	Remove tapered roller bearing (3)	 Hand pump	*652589003321
		 Hydraulic hose	*652589003323
		 Hydraulic cylinder	*715589153400
		 Adapter	*715589123400
		 Adapter	*715589113400
		 Adapter	*748589013400
		 Gripper	*750589053400
	Assemble
 Danger!	Risk of injury to skin and eyes caused by handling hot or glowing objects.	Wear safety gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
4	Heat up tapered roller bearing (1) to max. 80 °C and slide onto countershaft (2)	 Adjust cone of tapered roller bearing (1) with zero clearance. Lubricate tapered roller bearing (1) with oil after it has cooled down.
		 Temperature sensor	*WH58.30-Z-1006-08A
		 Heating plate	*WH58.30-Z-1002-28A
 Danger!	Risk of injury to skin and eyes caused by handling hot or glowing objects.	Wear safety gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
5	Heat up tapered roller bearing (3) to max. 80 °C and slide onto countershaft (2)	 Adjust cone of tapered roller bearing (3) with zero clearance. Lubricate tapered roller bearing (3) with oil after it has cooled down.
		 Temperature sensor	*WH58.30-Z-1006-08A
		 Heating plate	*WH58.30-Z-1002-28A
6	Assemble transfer case		AR28.10-W-1002A

652 589 00 33 23

Hydraulic cylinder

Hydraulic hose (complete)

Hand pump

Adapter

652 589 00 33 21

715 589 15 34 00

715 589 12 34 00

750 589 04 34 00

Gripper

Adapter

715 589 11 34 00

750 589 05 34 00

748 589 01 34 00

Commercially available tools

Number	Designation
WH58.30-Z-1006-08A	Temperature measuring instrument (measuring range -200 °C to +1000 °C)
WH58.30-Z-1002-28A	Heating plate

ar2810w1001a Disassemble transfer case
ar2810w1002a Assemble transfer case
as0000z000201a Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.