SI35.31-B-0001B | Service information: Rear axle center section | 12.02.16 |
Rear axle 746.270, 746.271 with Vehicle 382.1, 634.0
Rear axle 746.882 with Vehicle 368.1
Rear axle 746.984, 746.999 with Vehicle 384.06
Rear axle 746.996, 746.998 with Vehicle 958
Center conical group repair (Axle R 390 / RO 390)
The object of this Service Information is to guide the dealer network through the new repair procedures, specifically for rear axles Type R 390 / RO 390 installed on bus chassis and Atego trucks. The respective repair procedures and required special tools are indicated in the following documents.
| Remove and install the differential assembly. | ||
| Remove and install the pinion | ||
| Determine the installation measurement for the pinion | ||
| Remove and install the crown gear with the differential | ||
| Determine the thickness of the compensation washers for the pinion | ||
| Check the friction torque of the pinion bearings | ||
| Adjust tooth flank clearance in the differential assembly | ||
| Determine the installation measurement for the center conical group | ||
| Check for contact marks between crown gear and pinion | ||
| Adjust tapered roller bearing preload |