1 | Remove upper and lower lock-rings (1) |
2 | Remove covers (2) and upper and lower seal rings (3) |
3 | Remove the kingpin with a press and only in the direction from the bottom up |
On VL 4 axles, the upper needle roller bearings are removed simultaneously with the king pins due to their collar. |
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4 | Install, on the beam handle (5), the steering knuckle (4) with the axial bearing (7) and adjust the axial clearance through compensating washers (6) |
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5 | Centralize the steering knuckle (4) with the axial bearing (7) and the compensating washer (6) selected on the beam handle (5), with the guide mandrel (8) |
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6 | Heat the beam handle (5) with a thermal blower or cool down the king pin in the cooling box using liquid nitrogen |
Warning: Wear gloves or a magnetic holder to mount the king pin. |
The kingpin as the axle beam fist and the bushings are to be thoroughly clean and dry, free of any oily substance. |
7 | Assemble the seal rings (3) and the top and bottom sealing covers (2) |
8 | Install the upper and lower lock-rings (1) noting that they fit perfectly in the respective grooves |
Immediately after installing the steering knuckle, lubricate the bushings until fresh grease exits between the steering knuckle and the axle beam. |
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