Disassemble, assemble front wheel hub · ar3320l0320a · Mercedes-Benz WIS

AR33.20-L-0320A

Disassemble, assemble front wheel hub

9.12.09

FRONT AXLE 730.353 in MODEL 670.398

FRONT AXLE 730.354 in MODEL 670.4

N33.20-0461-05

1 PU sealing ring

2 Sealing ring

3 Inner tapered roller bearing

4 Brake disk

5 Wheel fixing stud

6 Front wheel hub

7 Outer tapered roller bearing

8 Screw

Modification notes

27.11.03

Value changed from 120 Nm to 130 Nm

Figure changed in BA42.10-N-1001-11D for model 670.4

 	Disassemble/assemble
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
1	Remove inner tapered roller bearing (3), radial sealing ring (2) and PU sealing ring (1)	 Installation: Install new radial sealing ring (2) and PU sealing ring (1). Check tapered roller bearing (3) for wear and replace if necessary. Thoroughly grease tapered roller bearing (3) prior to installation.  Do not apply sealing compound to sealing rings with partially rubberized sealing surfaces.	AR33.20-L-0310-05A
			*000589353300
			*000589683300
			*403589061500
			*BF33.20-N-1001-01A
			*BR00.45-Z-1006-01A
2	Remove brake disk (4)	 Installation: Install new bolts (8). Check brake disk (4) and replace if necessary.	AR42.10-L-0230-01A
			*BA42.10-N-1001-11D
3	Remove ABS measuring ring	 Only for vehicles with ABS (code B02).	AR42.30-L-0160-01A
			*000589453300
			*312589001500
		 Installation: Install ABS measuring ring.	AR42.30-L-0160-02A
			*312589141500
4	Remove tapered roller bearing outer race.		AR33.20-L-0310-06A
			*000589163300
			*314589011500
			*714589001500
	Checking
5	Check front wheel hub for wear, replace if necessary	 Check wheel fastening bolt, if necessary .
		Install new wheel fastening bolt	AR33.20-L-0320-11A
6	Assemble in the reverse order
7	Check outer tapered roller bearing (7) and replace if necessary. Grease tapered roller bearing (7) well before installation and fill front wheel hub (6) with the specified quantity of grease		*BF33.20-N-1001-01A

 Front axle brake discs

 Wheel hub, cap

Number	Designation			Front axle 730.353/354


BF33.20-N-1001-01A	Multipurpose grease	Capacity per wheel hub	g	75
		Specifications for Operating Fluids	Sheet	BB00.40-P-0267-00A