ar3550w0003b

Remove/install wheel hub on trailing axle

ประเภท ar · หัวข้อ 35.50 · เวอร์ชัน 0500 · 2017-08-02

ใช้กับ: Rear axle 749.011/111/164 in model 930, 934, 950, 958

ไม่มีใน “th” แสดงเป็น อังกฤษ

ตำแหน่ง

กลุ่มฟังก์ชัน 2 Chassis › 35 Rear axle › 35.50 Additional axle (forward-trailing/trailing/middle/trailer axle) — ซีรีส์ 930 · ซีรีส์ 934 · ซีรีส์ 950 · ซีรีส์ 958

EinPAS 17 Drivetrain/axle › 17.52 Additional axle › 17.52.42 Wheel carrier/steering knuckle/wheel hub/wheel bearing — ซีรีส์ 930 · ซีรีส์ 934 · ซีรีส์ 950 · ซีรีส์ 958

ใช้กับเครื่องยนต์/เกียร์ด้วย: 749 011, 749 111, 749 164

AR35.50-W-0003B

Remove/install wheel hub on trailing axle

21.07.2017

Rear axle

749.011/111/164 in model 930, 934, 950, 958

Modification notes

20.10.2016

Document revised completely.

Remove/install wheel hub on trailing axle

1

Axle stub

2

Thrust ring

3

Radial shaft sealing ring

4

Wheel hub

5

Outer tapered roller bearing

6

Screw

7

Cover

8

Seal

9

Outer slotted nut

10

Locking plate

11

Inner slotted nut

12

Thrust plate

W35.50-1114-06

Remove/install wheel hub on trailing axle

1

Axle stub

4

Wheel hub

6

Screw

13

Dial indicator holder

14

Mount dial indicator

15

Bracket

W35.50-1118-11

Warning

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 evaluating oil loss at major assemblies

AH00.00-N-0011-02A

Remove

1

Remove brake carrier with brake caliper

AR42.10-W-0600A

2

Remove cover (7)

3

Release and unscrew outer slotted nut (9)

Claw-type wrench

*648589020700

4

Remove locking plate (10) and unscrew inner slotted nut (11)

Claw-type wrench

*648589020700

5

Remove wheel hub (4), thrust plate (12) and outer tapered roller bearing (5)

6

Remove radial shaft sealing ring (3)

7

Remove thrust ring (2)

Release thrust ring (2) using a chisel and remove.

Install

8

Clean seat surface of thrust ring (2) on axle journal (1)

9

Heat up new thrust ring (2) to approx. 80 °C and slide on up to contact surface on axle journal (1)

Apply pressure to the thrust ring (2) until it has cooled down sufficiently to ensure that its installation position no longer changes.

10

Install new radial shaft sealing ring (3)

Apply coating of sealant to radial shaft sealing ring (3) without rubberized outer surface on the outer circumference.
Pack grease into area behind radial shaft sealing ring (3) and apply coating of grease to sealing lip of radial shaft sealing ring (3).

Sealant, Omnifit FD 3041

*BR00.45-Z-1012-01A

MB multipurpose grease, 400 g

*BR00.45-Z-1017-06A

Drift

*389589001500

11

Mount wheel hub (4) onto axle journal (1)


Do not damage the sealing lip of the radial shaft sealing ring (3).
Otherwise the wheel hub (4) may leak.

12

Grease and install outer tapered roller bearing (5) and thrust plate (12)

MB multipurpose grease, 400 g

*BR00.45-Z-1017-06A

13

Tighten inner slotted nut (11)

To do so, continuously turn the wheel hub (4) and strike the wheel hub (4) a few times with a rubber hammer in a crosswise pattern so that the tapered roller bearings come into contact with zero clearance.

Inner groove nut, wheel hub to axle journal or steering knuckle spindle

*BA35.20-N-1004-06G

Claw-type wrench

*648589020700

14

Release inner slotted nut (11) by approx. 1/4 turn again

This sets the wheel bearing play.

Claw-type wrench

*648589020700

15

Apply light coating of oil to locking plate (10) and mount onto axle journal (1)

The journal of the locking plate (10) must face outwards.

16

Tighten outer slotted nut (9)

Outer groove nut, wheel hub to axle journal or steering knuckle spindle

*BA35.20-N-1005-06G

Claw-type wrench

*648589020700

17

Mount bracket (15) with a bolt (6) onto the wheel hub (4)

Holder for supporting dial indicator holder

WF58.50-W-3520-01A

18

Position dial indicator holder (13) with dial indicator (14) onto bracket (15) so that the tip of the dial indicator makes pressurized contact with the axle journal (1)

Dial indicator holder

*343589004000

Dial gage

*001589532100

19

Slide wheel hub (4) onto axle journal (1) inwards up to contact surface, and in this position set the scale on the dial indicator (14) to 0

20

Move wheel hub (4) on axle journal (1) backward and forward and check wheel bearing play while doing so

Wheel bearing play on wheel hub

*BE35.20-N-1001-02D

If specified value is not attained.

Remove outer slotted nut (9), remove locking plate (10) and repeat all operations from operation step 13.

Claw-type wrench

*648589020700

21

Remove dial indicator holder (13) with dial indicator (14) and remove bracket (15) from wheel hub (4)

22

Pound locking plate (10) into suitable grooves of inner slotted nut (11) and outer slotted nut (9)

23

Clean sealing surface on wheel hub (4) and cover (7)

24

Coat new seal (8) on both sides with sealant and place onto cover (7)

Sealant, Omnifit FD 3041

*BR00.45-Z-1012-01A

25

Fill cover (7) at least halfway with grease

MB multipurpose grease, 400 g

*BR00.45-Z-1017-06A

26

Mount cover (7) with fitted seal (8) and new bolts (6)

Screw/bolt, cover to wheel hub

*BA35.20-N-1003-06G

27

Install brake carrier with brake caliper

AR42.10-W-0600A

28

Perform a test drive

29

Retighten bolts (6) on cover (7) again


The seal (8) may settle slightly during the test drive. Therefore, retightening must be performed after the test drive.
Otherwise, the bolts (6) are no longer tightened to the required tightening torque and the cover (7) may leak.

Screw/bolt, cover to wheel hub

*BA35.20-N-1003-06G

Test values for wheel hub

Number

Designation

Trailing axle 749.011/111/164

BE35.20-N-1001-02D

Wheel bearing play on wheel hub

mm

0,005...0,04

Hub

Number

Designation

Trailing axle 749.011/111/164/733

BA35.20-N-1003-06G

Screw/bolt, cover to wheel hub

M8

Nm

35

M16

Nm

–

Hub

Number

Designation

Trailing axle 749.011/111/164/733

BA35.20-N-1004-06G

Inner groove nut, wheel hub to axle journal or steering knuckle spindle

M801.5

Nm

300

Hub

Number

Designation

Trailing axle 749.011/111/164/733

BA35.20-N-1005-06G

Outer groove nut, wheel hub to axle journal or steering knuckle spindle

M801.5

Nm

400

Remove/install wheel hub on trailing axle
Remove/install wheel hub on trailing axle
Remove/install wheel hub on trailing axle
Remove/install wheel hub on trailing axle

389 589 00 15 00

Drift

001 589 53 21 00

Dial gage

343 589 00 40 00

Dial indicator holder

648 589 02 07 00

Claw-type wrench

Repair materials

Number

Designation

Order number

BR00.45-Z-1012-01A

Sealant, Omnifit FD 3041

A 002 989 47 20 10

BR00.45-Z-1017-06A

MB multipurpose grease, 400 g

A 001 989 34 51 11

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