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

000 589 35 33 00

Puller

Counter stay

Puller

Internal puller

000 589 16 33 00

000 589 45 33 00

000 589 68 33 00

312 589 14 15 00

Drift

Thrust piece

Drift

312 589 00 15 00

314 589 01 15 00

403 589 06 15 00

Drift

714 589 00 15 00

Repair materials

Number	Designation	Order number
BR00.45-Z-1006-01A	Loctite 573	A 004 989 72 20

ah0000n000101a Notes on self-locking nuts and bolts
ar3320l031005a Remove/install inner tapered roller bearing and radial sealing ring on front wheel hub
ar3320l031006a Removing and installing tapered roller bearing outer races at front wheel hub
ar3320l032011a Removing and installing wheel lug bolts
ar4210l023001a Detach/attach front axle brake disk to wheel hub
ar4230l016001a Removing ABS measuring ring
ar4230l016002a Installing ABS measuring ring