Disassemble/assemble shaft for through-drive

AR35.30-W-0492A

Disassemble/assemble shaft for through-drive

10.3.10



Disassemble

1

Remove through-drive shaft (1)

AR35.30-W-0491A

2

Remove slotted nut (7)

 Clamp through-drive shaft (1) in vise.

 RA 748.21/23 with 233 mm dia. ring gear

*395589050700

 RA 748.21/23 with 300 mm dia. ring gear, RA 740.89, 748.26/27/70

*395589030700

3

Remove tab washer (6)

4

Detach grooved ball bearing (5) from through-drive shaft (1)



*001589193300

5

Remove threaded ring (2) from shaft of the through-drive (1)

6

Remove radial sealing rings (3, 4) from the threaded ring (2)



Assemble

7

Place threaded ring (2) on a level surface and install new radial sealing rings (3, 4) in the threaded ring (2) with the sealing lip towards the thread side

 RA 748.21/23 with 233 mm dia. ring gear:
Install radial sealing ring (4) flush with the bottom edge (thread side) first, then install radial sealing ring (3) flush with the top edge.

 Drift

*389589021500

 RA 748.21/23 with 300 mm dia.ring gear, RA 740.89, 748.26/27/70:
Use drift (8) to install radial sealing ring (4) without spacer ring first, then use drift (8) to install radial sealing ring (3) and spacer ring until the drift (8) abuts with the top edge.

 Drift

*366589001500

 Pack space between the dust lip and sealing lip with grease and grease sealing lips.

*BR00.45-Z-1034-06A

8

Mount threaded ring (2) onto through-drive shaft (1)

 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

9

Heat up grooved ball bearing (5) to approx. 80 °C and push all the way onto through-drive shaft (1)

Install slotted nut (7) with the new locking plate (6)

 The locking plate tab (6) must point towards the coupling flange.

 Rear axle 748.2

*BA35.30-N-1010-04A

 Rear axles 740.8, 748.7

*BA35.30-N-1010-04B

 RA 748.21/23 with 233 mm dia. ring gear

*395589050700

 RA 748.21/23 with 300 mm dia. ring gear, RA 740.89, 748.26/27/70

*395589030700

10

Install and secure slotted nut (7)

11

Install through-drive shaft (1)

AR35.30-W-0491A

Number

Designation

Rear axle 748.21/22/23/24 with through-drive, ring gear 233 mm dia.

BA35.30-N-1010-04A

Slotted nut on through-drive shaft

M551.5

Nm

450

M601.5

Nm

-

Number

Designation

Rear axle 748.21/22/23/24 with through-drive, ring gear 300 mm dia.

BA35.30-N-1010-04A

Slotted nut on through-drive shaft

M551.5

Nm

-

M601.5

Nm

500

Number

Designation

Rear axle 748.26/27 with through-drive, ring gear 233 mm dia.

BA35.30-N-1010-04A

Slotted nut on through-drive shaft

M551.5

Nm

450

M601.5

Nm

-

Number

Designation

Rear axle 748.26/27 with through-drive, 300 mm dia. ring gear

BA35.30-N-1010-04A

Slotted nut on through-drive shaft

M551.5

Nm

-

M601.5

Nm

500

Number

Designation

Rear axle 740.893/895/
897/898 with through-drive, 300 mm dia. ring gear

BA35.30-N-1010-04B

Slotted nut on through-drive shaft

M551.5

Nm

-

M601.5

Nm

500

Number

Designation

Rear axle 748.702 with through-drive, 233 mm dia. ring gear

BA35.30-N-1010-04B

Slotted nut on through-drive shaft

M551.5

Nm

450

M601.5

Nm

-

Number

Designation

Rear axle 748.703 with through-drive, 233 mm dia. ring gear

BA35.30-N-1010-04B

Slotted nut on through-drive shaft

M551.5

Nm

450

M601.5

Nm

-

Number

Designation

Order number

BR00.45-Z-1034-06A

MB multipurpose grease

A 001 989 34 51 10