AR33.30-W-0470B | Disassembling and assembling pinion housing with drive pinion | 2.2.09 |
FRONT AXLE 730.102/ 110
W33.30-0040-06
1 Collar nut
2 Countershaft gear
3 Outer tapered roller bearing
4 Outer race of outer bearing
5 Through-drive pinion housing
6 Spacer washer
7 Inner race of outer bearing
8 Inner tapered roller bearing
9 Drive pinion
10 Blocking device
11 Wrench socket
12 Hexagon bolts, blocking device
| Disassemble | ||
1 | Remove through-drive pinion housing from axle housing | ||
2 | Remove countershaft gear (2) from drive pinion shaft (9) | | |
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3 | Remove drive pinion (9) from through-drive pinion housing (5) | Drive out drive pinion using a soft mallet. | |
4 | Remove outer tapered roller bearing (3) from through-drive pinion housing (5) | ||
5 | Remove shims (6) from drive pinion (9) | ||
6 | Remove inner tapered roller bearing from drive pinion | ||
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7 | Remove inner and outer bearing outer races (4 and 7) from through-drive pinion housing (5) | Use a suitable drift. | |
| Assemble | ||
8 | Install outer and inner bearing outer races (4 and 7) in through-drive pinion housing (5) | | |
9 | Determine shim thickness on drive pinion | ||
10 | Slide inner tapered roller bearing (8) onto drive pinion (9) as far as the stop | Heat tapered roller bearing to approx. 80 °C before installing. | |
11 | Slide shim (6) with determined thickness onto drive pinion (9) | ||
12 | Install drive pinion (9) in through-drive housing (5) | ||
13 | Drive outer tapered roller bearing (3) onto drive pinion (9) as far as the stop | Heat tapered roller bearing to approx. 80 °C before installing. Use suitable sleeve to drive in. | |
14 | Install countershaft gear (2) | Lightly lubricate meshing of drive pinion. Use new collar nut. | |
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15 | Checking friction torque of tapered roller bearings | ||
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16 | Secure collar nut (1) | ||
17 | Install through-drive pinion housing in axle housing |
Test values for drive pinion
Number | Designation | Front axle 730.1 | |
BE33.30-N-1001-02A | Friction coefficient of tapered roller bearing | Nm | 2...3 |
Differential assembly with through-drive
Number | Designation | Front axles 730.102/110 | ||||
BA33.30-N-1005-06A | Collar nut, countershaft gear to drive pinion | M451.5 | Nm | 900 | ||
745 589 01 21 00
001 589 34 33 00
001 589 75 09 00
730 589 00 15 00
Torque wrench
Drift
Wrench socket
Clamping ring
000 589 69 63 00
395 589 01 63 00
001 589 35 33 00
001 589 39 33 00
Ratio wrench
Puller
Clamping ring
Blocking device