Disassemble, assemble planetary gear system · ar2850w1003a · Mercedes-Benz WIS

AR28.50-W-1003A

Disassemble, assemble planetary gear system

24.11.08

TRANSFER CASE 750.850 /851 /852 /860 /864 /865

Disassemble, assemble planetary gear system

W28.50-0047-06

1 Tapered roller bearing

2 Circlip

3 Gear

4 Planet carrier (model designation 750.85)

5 Roll pin 624 (model designation 750.85)

6 Thrust plate (model designation 750.85)

7 Planetary gear (model designation 750.85)

8 Needle rollers (model designation 750.85)

9 Shim (model designation 750.85)

10 Planetary gear axle (model designation 750.85)

11 Tapered roller bearing

12 Thrust plate (model designation 750.86)

13 Needle rollers (model designation 750.86)

14 Planetary gear (model designation 750.86)

15 Grub screw (model designation 750.86)

16 Planetary gear axle (model designation 750.86)

17 Planet carrier (model designation 750.86)

18 Assembly aid (model designation 750.85)

Modification notes

26.1.06	Special tool 715 589 22 34 00 added.	Step 2
	Special tool 715 589 13 34 00 added.	Step 5

	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	*715589223400
		 Gripper for model designation 750.85	*750589093400
		 Gripper for model designation 750.86	*750589073400
3	Remove circlip (2)
4	Detach gear (3)
5	Remove tapered roller bearing (11)	 Hand pump	*652589003321
		 Hydraulic hose	*652589003323
		 Hydraulic cylinder	*715589153400
		 Adapter	*715589123400
		 Adapter	*715589113400
		 Adapter	*715589133400
		 Gripper for model designation 750.85	*750589083400
		 Gripper for model designation 750.86	*750589063400
6	Remove planetary gears (7, 14)	On model designation 750.85	AR28.50-W-1003-01A
		On model designation 750.86	AR28.50-W-1003-01B
		 Countersupport	*000589333300
	Assemble
7	Install planetary gears (7, 14)	On model designation 750.85	AR28.50-W-1003-01A
		On model designation 750.86	AR28.50-W-1003-01B
		 Grub screw (15) only on model designation 750.86	*BA28.50-N-1003-01A
			*BR00.45-Z-1008-06A
 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
8	Heat up gear (3) to approx. 80 °C and slide onto planet carrier (4, 17)	Temperature measuring device
		Heating plate
9	Install circlip (2).
 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
10	Heat up tapered roller bearing (1, 11) to max. 80 °C and slide onto planet carrier (4, 17)	Lubricate the tapered roller bearing (1, 11) with oil after it has cooled down.
		Temperature measuring device
		Heating plate
11	Assemble transfer case		AR28.10-W-1002A

 Transfer case gear set, shafts

Number	Designation			Transfer case 750.860	Transfer case 750.861/ 864/865


BA28.50-N-1003-01A	Threaded pin for securing to planetary axle	M6	Nm	5	5

000 589 33 33 00

750 589 06 34 00

652 589 00 33 21

652 589 00 33 23

Counter stay

Hydraulic hose (complete)

Hand pump

Gripper

750 589 08 34 00

Gripper

Hydraulic cylinder

750 589 07 34 00

750 589 09 34 00

715 589 15 34 00

715 589 12 34 00

Adapter

715 589 11 34 00

715 589 13 34 00

715 589 22 34 00

Repair materials

Number	Designation	Order number
BR00.45-Z-1008-06A	Silicone-based grease	A 001 989 28 51 10

Referenced documents

ar2810w1001a Disassemble transfer case
ar2810w1002a Assemble transfer case
ar2850w100301a Remove/install planetary gears
ar2850w100301b Remove/install planetary gears
as0000z000201a Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.