Rear axle wheel hubs - regreasing, checking tapered roller bearings · ap3520t3550a · Mercedes-Benz WIS

AP35.20-T-3550A

Rear axle wheel hubs - regreasing, checking tapered roller bearings

31.5.06

REAR AXLE 748.513 /524 in MODEL NMB671

Rear axle wheel hubs - regreasing, checking tapered roller bearings

T35.20-0003-09

Rear axle 748.5 in model 671

3 Outer tapered roller bearing

2 Rear wheel hub

	Removal
1	Operate parking brake
2	Loosen wheel nuts slightly	 On Trilex wheels loosen the clamping plates with light hammer blows, before the wheel nuts are unscrewed completely.
3	Jack up vehicle at rear axle
	Jack up vehicle at rear axle and place on axle stands		AR00.60-T-1000-03A
4	Remove wheels
	Remove/install wheels		AR40.10-T-1100A
5	Release parking brake
6	Remove rear wheel hubs (2)
	Remove/install rear wheel hub		AR35.20-T-0310A
7	Clean rear wheel hubs (2)
8	Clean outer tapered roller bearing (3)
9	Remove radial sealing ring
	Disassemble/assemble rear wheel hub		AR35.20-T-0320A
10	Clean inner tapered roller bearing
	Check
11	Check outer tapered roller bearings (3) for condition and wear	 Replace worn or damaged outer tapered roller bearings (3) subject to separate repair order.
12	Check inner tapered roller bearings for condition and wear	 Only replace worn or damaged inner tapered roller bearings subject to separate repair order.
	Install
13	Grease outer tapered roller bearings (3)		*BR00.45-Z-1017-06A
14	Grease inner tapered roller bearing		*BR00.45-Z-1017-06A
15	Install radial sealing ring	 Use new radial sealing rings
	Disassemble/assemble rear wheel hub		AR35.20-T-0320A
16	Install rear wheel hubs (2)
	Remove/install rear wheel hub		AR35.20-T-0310A
17	Operate parking brake
18	Install wheels
	Remove/install wheels		AR40.10-T-1100A
19	Lower vehicle
20	Tighten wheel nuts	 Model 671 with Trilex wheels	*BA40.10-N-1001-02B
		 Model 671 with disk wheels	*BA40.10-N-1001-03B
			*000589392100
21	Push down brake pedal several times

 Trilex wheels

Number	Designation			Model 671


BA40.10-N-1001-02B	Trilex wheels	Trilex rim on wheel rim or wheel spider	Nm	300
		Wheel rim to wheel hub	Nm	450

 Disk wheels

Number	Designation				Model 671


BA40.10-N-1001-03B	Nut, wheel	Bolt centering	M221.5	Nm	450
		Hub centering	M221.5	Nm	600

Torque wrench

000 589 39 21 00

Repair materials

Number	Designation	Order number
BR00.45-Z-1017-06A	MB multipurpose grease	A 001 989 34 51 11

Rear axle wheel hubs - regreasing, checking tapered roller bearings

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