Disassemble, assemble front wheel hub

AR33.20-T-0320B

16.6.10

FRONT AXLE 739.234

T33.20-0013-06

1 Outer race of outer tapered roller bearing

2 Outer tapered roller bearing

3 Front wheel hub

4 Hexagon bolt

5 Wheel fixing stud

6 Brake disk

7 ABS measuring ring

8 Radial sealing ring

9 Radial sealing ring/tapered roller bearing

10 Inner tapered roller bearing

11 Outer race of inner tapered roller bearing

	Disassemble
1	Remove front wheel hub (3).		AR33.20-T-0310B
2	Detach brake disk (6) from front wheel hub (3)	The operation step is only be performed when removing the front wheel hub (3) with flange-mounted brake disk.	AR42.10-T-0220B
3	Using a plastic hammer, drive wheel fastening bolts (5) out of the front wheel hub (3)
4	Remove ABS measuring ring (7)		AR42.30-T-0160B
5	Remove outer race of outer tapered roller bearing (1)		AR33.20-T-0320-01B
			*000589683300
			*000589353300
6	Remove inner tapered roller bearing (10) together with radial sealing ring (8)		AR33.20-T-0320-02B
			*000589683300
			*000589353300
7	Remove radial sealing ring/tapered roller bearing (9) from inner tapered roller bearing (10)		AR33.20-T-0310-10B
8	Remove outer race of inner tapered roller bearing (11)		AR33.20-T-0320-03B
			*001589003300
			*000589353300
	Check
9	Check bearing seat diameter of front wheel hub (3)	 If the test specifications are not within the permissible range, replace the front wheel hub (3).	AR33.20-T-0310-15B
		Bearing seat diameter	*BE33.20-N-1002-01D
	Assemble
10	Install outer race of outer tapered roller bearing (1)		AR33.20-T-0320-04B
			*317589081500
11	Install outer race of inner tapered roller bearing (11)		AR33.20-T-0320-06B
			*389589001500
12	Install radial sealing ring/tapered roller bearing (9) in the inner tapered roller bearing (10)	 The radial sealing ring (8) should be replaced.	AR33.20-T-0310-11B
			*305589001500
13	Install ABS measuring ring (7)		AR42.30-T-0160B
14	Grease inner tapered roller bearing (10) and insert in front wheel hub (3)	 When replacing the inner tapered roller bearing (10) or after disassembling the front wheel hub (3), this must be filled with the specified grease quantity.	*BR00.45-Z-1008-02A
		Multipurpose grease, filling capacity per wheel hub	*BF33.20-N-1001-01D
15	Install radial sealing ring (8) in front wheel hub (3)	 The radial sealing ring (8) should be replaced.	AR33.20-T-0310-03B
			*739589051500
16	Install wheel fastening bolts (5) in front wheel hub (3)		AR33.20-T-0320-07B
17	Install brake disk (6) on front wheel hub (3)		AR42.10-T-0220B
18	Fit front wheel hub (3)		AR33.20-T-0310B

Test specifications for wheel location, wheel hub

Number	Designation			Front axle 739.234


BE33.20-N-1002-01D	Bearing seat diameter	Dimension "C"	mm	109,924 to 109,959
		Dimension "D"	mm	149,875 to 149,915
		See picture		-

 Wheel hub, cap

Number	Designation			Front axle 739.234


BF33.20-N-1001-01D	Multipurpose grease	Capacity per wheel hub	g	180
		Specifications for Operating Fluids	Sheet	BB00.40-P-0267-00A