AR35.20-T-0301A | Measuring wheel bearing play at rear wheel hub | 22.3.07 |
REAR AXLE 748.120 /121 /122 /123 /124 /125 /126 /134 /135 /513 /524
T35.20-0005-01
The picture shows rear axle 748.513
1 Dial gauge holder
2 Dial gauge
3 Rear wheel hub
| Removing | ||
1 | Remove rear wheels | ||
2.1 | Remove bell hub with outer planet carrier | On only on rear axle 748.513/524 | |
2.2 | Remove rear axle shaft | Only on rear axle 748.120/121/122/123/ | |
| Measure | ||
3 | Install dial indicator holder (1) and dial indicator (2) on the rear wheel hub (3) | Crank the rear wheel hub (3) several times beforehand. Align tracer pin of dial indicator (2) with a pre-load at the end face of axle tube and set scale of the dial indicator (2) to zero | |
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4 | Measure the wheel bearing play by moving the rear wheel hub (3) to and fro | Read off the value on the dial indicator (2). | |
Rear axle 748.513/524 | |||
Rear axle 748.120/121/122/123/124/ | |||
5 | Detach dial indicator (2) and dial indicator holder (1) | | |
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6 | Adjust wheel bearing play at rear wheel hub (3) | Only carry out if the wheel bearing play has to be adjusted | |
Rear axle 748.513/524 | |||
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Rear axle 748.120/121/122/123/124/ | |||
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7 | Measure wheel bearing play of rear wheel hub (3) again | Only carry out if the wheel bearing play had to be adjusted. | |
Carry out procedures 3 to 5 again and if necessary also carry out procedures 6 and 7 until the specified value is reached. | |||
8 | Secure the outer slotted nut by bending over the locking plate | ||
| Install | ||
9.1 | Install bell hub with planet carrier | On only on rear axle 748.513/524 | |
9.2 | Install rear axle shaft | Only on rear axle 748.120/121/122/123/ | |
10 | Fit rear wheels |
Test values for wheel hub
Test values for wheel hub
Hub
Number | Designation | Rear axles | ||
BA35.20-N-1001-06M | Inner slotted nut, wheel hub to wheel carrier | Stage 1 | Nm | 550 |
Stage 2 | ° | -120 | ||
BA35.20-N-1002-06M | Outer slotted nut, wheel hub to wheel carrier | Nm | 595 | |
Hub
Number | Designation | Rear axle 748.513/524 | ||
BA35.20-N-1006-06H | Inside wheel hub slotted nut to axle tube | Stage 1 | Nm | 550 |
2nd stage, loosen | ° | 113 | ||
Stage 3 | Nm | - | ||
BA35.20-N-1007-06H | Outer slotted nut, wheel hub to axle tube | Nm | 550 | |
001 589 53 21 00
Dial indicator holder
Dial indicator
Torque wrench
Claw-type wrench
000 589 39 21 00
363 589 02 21 00
385 589 04 07 00
Wrench socket
400 589 01 07 00