Remove/install radial shaft seals

AR28.40-W-0001B

19.10.2016

Transfer case	750.704 in model 950, 952
Transfer case	750.705 in model 374, 950, 952
Transfer case	750.816 in model 976
Transfer case	750.817 in model 950, 952, 972, 976

Modification notes

19.10.2016

Special tool  drift added.

Operation step 7

620 589 02 15 00

1	Screw
2	Pressure plate
3	Coupling flange
4	Radial shaft sealing ring
5	Screw
A	Drive shaft from transmission
B	Output shaft to rear axle
C	Output shaft to front axle

W28.40-1002-06

 Danger !	Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Notes on removal/installation of propeller shafts		AH41.10-N-0003-01A
	Remove
1	Detach appropriate propeller shaft from coupling flange (3)
2	Remove screw (1) and remove pressure plate (2)	 Ratio wrench	*000589696300
		 Retainer wrench	*717589003100
3	Remove coupling flange (3)	 If it is sluggish, use appropriate puller.
4	Unscrew screws/bolts (5)
5	Remove radial shaft sealing ring (4)	 Pulling hook	*715589093300
		 Impact extractor	*602589003300
	Install
6	Fill the space between the sealing lips at new radial shaft sealing ring (4) with lubricant	Long-life grease	*BR00.45-Z-1001-06A
7	Install radial shaft sealing ring (4)	Press-in depth of radial sealing ring on shaft to rear axle	*BE28.50-N-1008-01E
		Press-in depth of radial sealing ring on shaft to transmission	*BE28.50-N-1006-01E
		Press-in depth of radial sealing ring on shaft to front axle	*BE28.50-N-1007-01E
		 Für Antriebswelle vom Getriebe (A) und Abtriebswelle zur Hinterachse (B) Drift	*620589021500
		 Für Abtriebswelle zur Vorderachse (C) Drift punch	*620589011500
8	Insert screws/bolts (5) into coupling flange (3)
9	Heat up coupling flange (3) to approx. 80 °C and install
10	Install bolt (1) with thrust washer (2)	 Bolt, drive shaft coupling flange	*BA28.50-N-1006-01A
		 Bolt, clutch flange to rear axle	*BA28.50-N-1007-01A
		 Bolt, clutch flange to front axle	*BA28.50-N-1008-01A
		 Drift	*620589021500
		 Retainer wrench	*717589003100
11	Connect propeller shaft	 Bolt/nut, propeller shaft to flange connection	*BA41.10-N-1002-01F

Test values for transfer case gear set, shafts

Number	Designation		Transfer case 750.816/817	Transfer case 750.704/705
BE28.50-N-1006-01E	Press-in depth of radial sealing ring on shaft to transmission	mm	6	6

Test values for transfer case gear set, shafts

Number	Designation		Transfer case 750.816/817	Transfer case 750.704/705
BE28.50-N-1007-01E	Press-in depth of radial sealing ring on shaft to front axle	mm	6	6

Test values for transfer case gear set, shafts

Number	Designation		Transfer case 750.816/817	Transfer case 750.704/705
BE28.50-N-1008-01E	Press-in depth of radial sealing ring on shaft to rear axle	mm	6	6

 Transfer case gear set, shafts

Number	Designation		Transfer case 750.704/705	Transfer case 750.816/817
BA28.50-N-1006-01A	Bolt, drive shaft coupling flange	Nm	485	250

 Transfer case gear set, shafts

Number	Designation		Transfer case 750.704/705	Transfer case 750.816/817
BA28.50-N-1007-01A	Bolt, clutch flange to rear axle	Nm	485	250

 Transfer case gear set, shafts

Number	Designation		Transfer case 750.704/705	Transfer case 750.816/817
BA28.50-N-1008-01A	Bolt, clutch flange to front axle	Nm	250	250

 Propeller shaft

Number	Designation			Model 374	Model 375.1, 958.0, 970, 972, 974, 975, 976
BA41.10-N-1002-01F	Bolt/nut, propeller shaft to flange connection	M10	Nm	60	60
		M12	Nm	100	100
		M14	Nm	160	160
		M16	Nm	200	200

 Propeller shaft

Number	Designation			Model 375.3, 950, 952, 953, 954, 957, 958.2
BA41.10-N-1002-01F	Bolt/nut, propeller shaft to flange connection	M10	Nm	60
		M12	Nm	100
		M14	Nm	160
		M16	Nm	200