Checks and inspections

• Using a suitable tool move away the bearing inner race from the contact surface of the wheel hub.

1. Working at the press and using plate no. 1.820.047.002, half rings no. 1.820.223.000 and pul- ler tool no. 1.821.051.000, withdraw the bearing inner race from the wheel hub.

CHECKS AND INSPECTIONS

1. Check the wheel upright inner surface for signs of seizing, and that the arms reveal no signs of damage, bumps, distortions or traces of breakage, in which case the upright must be replaced.
2. Check the surfaces of the wheel hub for damage or clear signs of bumps or traces of breakage, in which case, the wheel hub must be replaced.
3. Check the conditions of the rolling bearing for cracks, seizure or jamming, if necessary replace the bearing.
4. Always, and in any case, change the constant velocity locking nut before re-assembly.
5. Check the conditions of the ball pin fastening the wheel upright to the wishbone for distortion, ex- cessive wear, cracks, sticking, or signs of rust and, if necessary, replace the ball pin.

RE-ASSEMBLY

1. Working at the press and using installing tool no. 1.821.209.000 insert the bearing in the wheel upright.

1. Set the brake disk protection (1a) on the wheel hub (1b) then, working under the press using the installing tool no. 1.821.209.000 in the overturned position with respect to the previous step, insert the hub in the wheel upright (1c).

1. Assemble the bearing retainer clip in its housing on the wheel upright.