1 | Wheel hub |
2 | Outer tapered roller bearing |
3 | Inner tapered roller bearing |
4 | Retainer |
B33.20-0018-01
| Disassemble | ||
1 | Extract the inner bearing (3) together with the retainer (4), using a suitable mandrel | ||
Puller | |||
2 | Extract the outer race of the inner bearing (3) using the extractor | Puller | |
3 | Extract the outer race of the inner bearing (2) using the extractor | Puller | |
| Clean | ||
4 | Remove the used grease from wheel hub (1) and the tapered roller bearings (2, 3) | Do not use solvents to remove the grease and clean the bearings and the wheel hub. For cleaning, use a clean and lint-free cloth | |
| Check | ||
5 | Check the tapered roller bearings (2, 3) for wear or damage | In case of wear or damage in any of the bearings - either internal or external - or their races, they should be replaced always in pairs. | |
6 | Measure the wheel hub bearing diameters and seats | Front axles 739.308/312/330/332/335/386/396/399Seat diameter for the outer race of the inner bearing | |
Front axles 739.308/312/330/332/335/386/396/399Seat diameter for the outer race of the outer bearing | |||
Front axles 739.308/312/330/332/335/386/396/399Distance between hub bearing seats | |||
Front axles 739.308/312/330/332/335/386/396/399Inner roller bearing | |||
Front axles 739.308/312/330/332/335/386/396/399Outer roller bearing | |||
Front axles 739.308/312/330/332/335/386/396/399End play of the hub roller bearings | |||
| Assemble | ||
7 | Install on the wheel hub (1) the outer race of the external tapered roller bearing (2) | Drift | |
8 | Turn the wheel hub (1) and install the outer race of the internal tapered roller bearing (3) | Drift | |
9 | Grease the inner and outer tapered roller bearings (2, 3) | ||
10 | Fill the wheel hub (1) with grease | Strictly observe the prescribed quantity of grease for each cube, including the grease used to lubricate the roller bearings. | |
Wheel hub grease (per hub) | |||
11 | Install the inner tapered roller bearing (3) | ||
12 | Apply the sealing mass to the outer surface of the retainer (4) and install it on the wheel hub (1) | Sealant Loctite 574, 50 ml | |
Drift | |||
13 | Lubricate the retainer (4) sealing lip with grease |
Check values wheel guide, hub |
Number | Designation | Front axle 739.330 | Front axle 739.309/332/335/398/399 | |||
BE33.20-B-1004-01B | Inner roller bearing | External diameter of inner bearing | Maximum | mm | 130,000 | 130,000 |
Minimum | mm | 129,982 | 129,982 | |||
Internal diameter of inner bearing | Maximum | mm | 70,010 | 70,010 | ||
Minimum | mm | 69,995 | 69,995 |
Check values wheel guide, hub |
Number | Designation | Front axle 739.308/312 | Front axle 739.386/396 | |||
BE33.20-B-1004-01B | Inner roller bearing | External diameter of inner bearing | Maximum | mm | 130,000 | 130,000 |
Minimum | mm | 129,982 | 129,988 | |||
Internal diameter of inner bearing | Maximum | mm | 70,010 | 70,010 | ||
Minimum | mm | 69,995 | 69,995 |
Check values wheel guide, hub |
Number | Designation | Front axle 739.330 | Front axle 739.309/332/335/398/399 | |||
BE33.20-B-1005-01B | Outer roller bearing | External diameter of outer bearing | Maximum | mm | 110,000 | 110,000 |
Minimum | mm | 109,982 | 109,982 | |||
Internal diameter of outer bearing | Maximum | mm | 50,000 | 50,000 | ||
Minimum | mm | 49,988 | 49,988 |
Check values wheel guide, hub |
Number | Designation | Front axle 739.308/312 | Front axle 739.386/396 | |||
BE33.20-B-1005-01B | Outer roller bearing | External diameter of outer bearing | Maximum | mm | 110,000 | 110,000 |
Minimum | mm | 109,982 | 109,985 | |||
Internal diameter of outer bearing | Maximum | mm | 50,000 | 50,000 | ||
Minimum | mm | 49,988 | 49,988 |
Wheel hub, hub hubcap |
Number | Designation | Front axle 739.3/4/5 | |||
BF33.20-B-1001-01A | Wheel hub grease (per hub) | Filling volume | gramas | 180 | |
Class | Specification (except Brazil) | MB 267.1 | |||
Specification (Brazil) | Consultar documento AH00.40-B-0001-01MBF no site Mercedes-Benz / Guia de Lubrificantes. |
317 589 08 15 00
Drift
000 589 16 33 00
Puller
000 589 45 33 00
Puller
730 589 00 15 00
Drift
327 589 01 15 00
Drift