W35.20-1050-09
1 | Thrust ring | 9 | Tapered roller bearing (inner) | 15 | Carrier (planetary hub gear) | ||
2 | Axle stub | 10 | Outer race (inner tapered roller bearing) | 16 | Planetary hub gear | ||
5 | Shield | 11 | Wheel hub | 17 | Slotted nut (inner) | ||
6 | Radial shaft sealing ring (outer) | 12 | Outer race (outer tapered roller bearing) | 18 | Locking plate | ||
7 | Radial shaft sealing ring (inner) | 13 | Tapered roller bearing (outer) | 19 | Slotted nut (outer) | ||
8 | Cover plate | 14 | Retaining ring |
2 | Axle stub |
11 | Wheel hub |
20 | Dial indicator holder |
21 | Mount dial indicator |
W33.20-1073-01
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. | |
Notes on evaluating oil loss at major assemblies | |||
| Remove | ||
1 | Remove bell hub with outer planet carrier | ||
2 | Release and unscrew slotted nut (19) | Claw-type wrench | |
3 | Remove locking plate (18) and unscrew slotted nut (17) | Claw-type wrench | |
4 | Remove carrier (15) with planetary hub gear (16) | ||
5 | Remove retaining ring (14) from planetary hub gear (16) | ||
6 | Remove carrier (15) from planetary hub gear (16) | ||
7 | Remove wheel hub (11) and remove tapered roller bearing (13) from wheel hub (11) | ||
8 | Insert suitable drift through two holes in wheel hub (11) and drive out shield (5) | ||
9 | Remove radial shaft sealing rings (6, 7) from wheel hub (11) | If necessary, remove an installed ABS measuring ring. | |
10 | Remove cover plate (8) from wheel hub (11) | ||
11 | Detach tapered roller bearing (9) using commercially available puller from axle journal (2) | ||
12 | Release thrust ring (1) using a chisel and remove from axle journal (2) | ||
13 | Remove outer races (10, 12) from wheel hub (11) | Only if new tapered roller bearings (9, 13) or a new wheel hub (11) is installed. | |
14 | Remove damaged wheel stud from wheel hub (11) | Only if old wheel hub (11) is to be reinstalled. | |
| Install | ||
15.1 | Fit new wheel studs instead of removed wheel studs on wheel hub (11) | If damaged wheel studs were removed and the previous wheel hub (11) is to be reinstalled. | |
15.2 | Fit new wheel studs onto new wheel hub (11) | If a new wheel hub (11) is to be installed. | |
16 | Clean all traces of grease from contact surface of thrust ring (1) on axle journal (2) | ||
17 | Heat up new thrust ring (1) to approx. 80 °C and install until it lies against axle journal (2) | Apply pressure to thrust ring (1) until it has cooled down sufficiently to ensure that its installation position no longer changes. | |
18 | Thoroughly clean wheel hub (11) in area of outer races (10, 12) | Only if the outer races (10, 12) were removed. | |
19 | Warm up wheel hub (11) in the area of outer race (12) to approx. 80 °C and install outer race (12) into wheel hub (11) all the way | Only if the outer race (12) was removed. | |
20 | Warm up wheel hub (11) in the area of outer race (10) to approx. 80 °C and install outer race (10) into wheel hub (11) all the way | Only if the outer race (10) was removed. | |
21 | Insert tapered roller bearing (9) into wheel hub (11) | ||
22 | Mount cover plate (8) onto tapered roller bearing (9) in wheel hub (11) | ||
23 | Install radial shaft sealing rings (7, 6) into wheel hub (11) | ||
Drift | |||
Drift | |||
24 | Mount ABS measuring ring onto wheel hub (11) | ||
25 | Mount shield (5) onto wheel hub (11) | ||
26 | Insert tapered roller bearing (13) into wheel hub (11) | ||
27 | Mount wheel hub (11) on axle journal (2) all the way | ||
28 | Insert carrier (15) into planetary hub gear (16) and secure using retaining ring (14) | ||
29 | Slide carrier (15) with planetary hub gear (16) onto axle journal (2) | ||
30 | Tighten inner slotted nut (17) | When tightening, continuously turn the wheel hub (11) and apply several impacts to wheel hub (11) a few times using a rubber hammer in a diagonal pattern so that the tapered roller bearings (9, 13) come into contact with zero clearance. | |
Outer and inner slotted nut to wheel hub | |||
Claw-type wrench | |||
31 | Release inner slotted nut (17) by a 1/4 turn | This sets the wheel bearing play. | |
Claw-type wrench | |||
32 | Oil locking plate (18) lightly and install on axle journal (2) | The locking pin of the locking plate (18) must point outward. | |
33 | Tighten outer slotted nut (19) | Outer and inner slotted nut to wheel hub | |
Claw-type wrench | |||
34 | Position dial indicator holder (20) with dial indicator (21) on wheel hub (11) so that the tip of the dial indicator (21) makes pre-loaded contact with the axle journal (2) | Dial indicator holder | |
Dial gage | |||
35 | Set scale of dial indicator (21) to 0 | ||
36 | Move wheel hub (11) on axle journal (2) backward and forward and check wheel bearing play while doing so | Wheel bearing play | |
If specified value is not attained. | |||
| |||
Detach outer slotted nut (19), remove lock washer (18), loosen inner slotted nut (17) and perform all work starting with operation step 30. | |||
Claw-type wrench | |||
37 | Drive lock washer (18) into suitable grooves of outer slotted nuts (19) and inner slotted nut (17) | ||
38 | Install bell hub with outer planet carrier |
740 589 01 15 00
Drift
740 589 00 07 00
Claw-type wrench
001 589 53 21 00
Dial gage
363 589 02 21 00
Dial indicator holder
363 589 05 15 00
Drift