AR35.20-W-0260A | Disassembling and assembling bell hub with outer planet carrier | 22.6.06 |
REAR AXLE 740.8, 748.2 /7
W35.20-0009-06
1 Outer planet carrier
2 Inner thrust plate
3 Bearing pin
4 Planetary gear
5 Intermediate ring
6 Bearing needles
7 Outer thrust plate
8 Thrust washer
9 Bell hub
10 Bolt
| Disassemble | ||
1 | Remove bell hub (9) with outer planet carrier (1) | ||
2 | Remove outer planet carrier (1) from bell hub (9) | Identify installation position of outer planet carrier (1) relative to the bell hub (9). | |
3 | Remove outer thrust plates (7) | ||
4 | Remove planet gears (4) from the bearing bolts (3) | Pay attention to loose bearing needles (6) and intermediate rings (5). | |
5 | Remove inner thrust plates (2) and thrust washer (8) from outer planet carrier (1) | ||
6 | Remove bearing pins (3) from outer planet carrier (1) | ||
| Assemble | ||
7 | Drive bearing pins (3) into outer planet carrier (1) | The oil holes of the bearing bolts (3) must point outwards. | |
8 | Install thrust washer (8) in outer planet carrier (1) | ||
9 | Place inner thrust plates (2) on the bearing bolts (3) | The lubrication grooves of the inner thrust plates (2) must abut the planetary gears (4). Align the thrust plates (2) so that that they abut the pressure plate (8) and it locks them to prevent twisting. | |
10 | Fit planet gears (4) centrally on bearing pins (3) | The planetary gears (4) and bearing bolts (3) are color coded. Only parts with the same color coding may be installed together. | |
11 | Grease bearing needles (6) and intermediate rings (5) and insert into planet gears (4) | When installing, guide bearing needles (6) with a scribing needle. | |
12 | Fit outer thrust plates (7) on planet gears (4) | The lubrication grooves of the outer thrust plates (7) must abut the planet gears (4). | |
13 | Install outer planet carrier (1) in the bell hub (9) | Pay attention to marking. Install new bolts. | |
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14 | Install bell hub (9) with outer planet carrier (1) |
Hub
Number | Designation | Rear axle 748.21/22/26 | Rear axle 748.23/24/27 | |||
BA35.20-N-1003-06A | Bolt, bell hub to outer planet carrier | M141.5 | Nm | 260 | 260 | |
Hub
Number | Designation | Rear axle 748.70 | Rear axle 740.89 | |||
BA35.20-N-1003-06A | Bolt, bell hub to outer planet carrier | M141.5 | Nm | 260 | 260 | |
Repair materials
Number | Designation | Order number |
BR00.45-Z-1017-06A | MB multipurpose grease | A 001 989 34 51 11 |