Remove/seal/install front axle drive coupling flange

AR33.30-W-0085C

2.3.12

FRONT AXLE 731.720, 733.050

W33.30-1020-11

1 Nut

2 Propeller shaft

3 Collar nut

4 Connector flange

5 Radial sealing ring

Modification notes

4.4.05

Document revised completely.

 	Remove/install
1	Detach propeller (2) shaft from front axle only.	 Support propeller shaft.	AR41.10-W-0050A
2	Release and unscrew collar nut (3).	 The locking device must be removed completely otherwise the thread of the drive pinion gear will be damaged when the collar nut (3) is unscrewed.
		 Installation: Install and secure collar nut (3).	AR33.30-W-0085-03A
			*BA33.30-N-1005-01E
			*001589740900
			*717589003100
			*000589696300
3	Remove coupling flange (4)		*035589013300
4	Remove radial sealing ring (5)	 Installation: Coat the outer circumference of the new radial sealing ring (5) without the outer surface lined with rubber with sealing compound.	*BR00.45-Z-1092-02A
		Coat the contact surface of the radial sealing ring (5) with transmission oil.	*BR00.45-Z-1023-06A
		Pack space between dust lip and sealing lip with universal grease.	*BR00.45-Z-1034-06A
			*731589001500
5	Install in the reverse order

 Front axle drive

Number	Designation			Front axle 731.720, 733.050


BA33.30-N-1005-01E	Collar nut, coupling flange to drive pinion gear	M321	Nm	300
		M401.5	Nm	360

731 589 00 15 00

Retainer wrench

Drift

Wrench socket

Puller

001 589 74 09 00

717 589 00 31 00

035 589 01 33 00

Ratio wrench

000 589 69 63 00

Repair materials

Number	Designation	Order number
BR00.45-Z-1092-02A	Adhesive kit, body, 2-component adhesive	A 009 989 36 71
BR00.45-Z-1023-06A	Hypoid gear oil	A 000 989 28 03
BR00.45-Z-1034-06A	MB multipurpose grease	A 001 989 34 51 10