Disassemble, assemble front wheel hub · ar3320b0320a · Mercedes-Benz WIS

AR33.20-B-0320A

Disassemble, assemble front wheel hub

12.02.16

Front axle 732.510 with Vehicle 688 with CODE BB5 (Disc brakes on front and rear axle)

Front axle 732.510 with Vehicle 692 with CODE BB5 (Disc brakes on front and rear axle)

Front axle 733.840 with Vehicle 688 with CODE BB5 (Disc brakes on front and rear axle)

Front axle 733.85 with Vehicle 688 with CODE BB5 (Disc brakes on front and rear axle)

Front axle 733.88 with Vehicle 688 with CODE BB5 (Disc brakes on front and rear axle)

B33.20-0016-06

1 Seal

2 Outer race, inner bearing

3 Wheel hub with brake disc

4 Outer race, outer bearing

	Disassemble
1	Remove the inner bearing together with the retainer with the appropriate drift	If, during the removal of the hub, the inner bearing is stuck in the stub shaft, it must be extracted with the adequate puller.
			*001589413300
		Front axle VL 1	*715589023400
		Front axle VL 2	*715589253400
2	Remove the outer race (2) of the inner bearing with an appropriate drift
3	Remove the outer race (4) of the outer bearing with an appropriate drift
	Checking
4	Measure the diameters and the seats of the wheel hub bearings	Before starting to assemble, clean correctly all the components and inspect them rigorously for wear or damage, especially the bearing seats. Replace the parts, if necessary.
		Diameter of the seat for the internal bearing's outer race	*BE33.20-B-1001-01B
		Diameter of the seat for the external bearing's outer race	*BE33.20-B-1002-01B
		Distance between the seats	*BE33.20-B-1003-01B
		Inner bearing	*BE33.20-B-1004-01B
		External bearing	*BE33.20-B-1005-01B
		Hub's bearing axial play	*BE33.20-B-1006-01B
	Assemble
5	Assemble the outer race (4) of the external bearing
		Front axle VL 1	*315589033900
		Front axle VL 2	*198589033900
6	Assemble the outer race (2) of the internal bearing	Front axle VL 1	*345589061500
		Front axle VL 2	*345589091500
7	Supply the hub with grease, observing the prescribed quantity		*BF33.20-B-1001-01A

8	Fill with grease the inner bearing's cage and assemble it in the hub (3)
9	Put sealing compound in the seal's external face (1) and assemble it in the hub (3)	Use a new seal	*BR00.45-B-1009-01A
			*733589001500
			*312589151500

Test specifications for wheel location, wheel hub

Número	Denominação				Axles 732.510	Axles 733.840/850/851, 733.880/882


BE33.20-B-1001-01B	Diameter of the seat to the internal bearing external rail		maximum	mm	79.968	94.962
			Minimum	mm	79.938	94.927
BE33.20-B-1002-01B	Diameter of the seat to the external bearing external rail		maximum	mm	51.970	71.968
			Minimum	mm	51.940	71.938
BE33.20-B-1003-01B	Distance between the hub bearings seats		Maximum	mm	58.30	59.30
			Minimum	mm	58.00	59.00
BE33.20-B-1004-01B	Internal bearing	Internal bearing external diameter	Maximum	mm	80.000	95.000
			Minimum	mm	79.987	94.985
		Internal bearing internal diameter	Maximum	mm	45.000	55.000
			Minimum	mm	44.988	54.985
BE33.20-B-1005-01B	External bearing	External bearing external diameter	Maximum	mm	52.000	72.000
			Minimum	mm	51.987	71.987
		External bearing internal diameter	Maximum	mm	25.000	30.000
			Minimum	mm	24.990	29.990
BE33.20-B-1006-01B	Hub bearings axial play			mm	0.02...0.04	0.02...0.04