Remove/install differential lock at differential assembly

AR35.40-W-0646B

26.10.10

REAR AXLE 740.893 /895 /897 /898, 748.26 /27 /703 /706 /708

Remove/install differential lock at differential assembly

W35.40-1016-11

1 Shift sleeve

2 Compression spring

3 Shift fork

4 Cylinder liner

5 Setting ring

6 Shift piston

7 O-ring

8 Gasket

9 Cover

10 Screw

11 Bolt (M181.5)

	Removing
1	Remove differential assembly.	without through-drive	AR35.30-W-0432H
		with through-drive	AR35.30-W-0432I
2	Unscrew bolt (11) from the cover (9)
3	Remove cover (9)
4	Remove shift piston (6)	 Screw one of the bolts (10) into the shift piston and pull out shift piston (6) with the adjusting washer (5).
5	Remove cylinder liner (4)	 In each case a plastic cylinder liner (4) must be removed and replaced by a new metal cylinder liner (4).
		A metal cylinder liner (4) must only be removed if it is damaged.
6	Remove shift sleeve (1) from shift fork (3)
7	Take shift fork (3) and push spring (2) out of the axle housing
	Install
8	Install metal cylinder liner (4)	 Only if a plastic cylinder liner (4) was installed or a metal cylinder liner (4) was removed.
		Coat cylinder liner (4) with synthetic grease.	*BR00.45-Z-1027-06A
9	Insert shift fork (3) and push spring (2) in the differential assembly	 To insert the shift fork (3), press the push spring (2) inwards
			*748589021500
10	Install new O-ring (7) on the shift piston (6)
11	Install shift piston (6) with adjusting washer (5)	 Coat sealing surface of the shift piston (6) with synthetic grease.	*BR00.45-Z-1027-06A
12	Attach cover (9) with new gasket (8)	 Install the new gasket (8) with the raised bead towards the cover (9).
			*BA35.40-N-1002-01A
13	Check and adjust axial play of interwheel differential lock shift sleeve		AR35.40-W-0646-01C
			*BE35.40-N-1001-02A
			*BA35.40-N-1002-01A
			*BR00.45-Z-1027-06A
14	Screw bolt (11) into the cover (9)	 The differential lock is locked mechanically as a result.
15	Install differential assembly	without through-drive	AR35.30-W-0432H
		with through-drive	AR35.30-W-0432I

Test and setting data for inter-wheel differential lock

Number	Designation		Rear axle 740.8	Rear axle 748.2	Rear axle 748.7


BE35.40-N-1001-02A	Specified axial play of shift collar for differential assembly interwheel differential lock	mm	0.5	0.5	0.5

 Differential lock

Number	Designation		Rear axle 740.8	Rear axle 748.2	Rear axle 748.7


BA35.40-N-1002-01A	Bolt, differential lock shift shaft at differential assembly	Nm	25	25	25

Spring compressor

748 589 02 15 00

Repair materials

Number	Designation	Order number
BR00.45-Z-1027-06A	Synthetic grease 50 g	A 001 989 32 51 10

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