Attention! The front wheel hub is mounted on a double-row roller thrust bearing, with which it forms a single non-separable unit. Bearings are replaced only in assembly with the hub. Do not wash the bearing. The wheel bearing and flange must be replaced.
Reuse of old bearings and flange is prohibited.
The bearing can be pressed out and pressed into the swivel bearing using a hydraulic press.
Removal of the bearing of a nave of a forward wheel is necessary for carrying out in a following order.
Prepare fixtures «22.1.011», «22.1.018», «31.2.113». «33.2.116», «33.2.150». «33.3.261», «33.3.262», «33.3.263». «33.3.264», «33.3.266» «33.3268», «33.4.200», «33.4.261», «33.4.262» and remove the wheel.
Remove the brake caliper and fasten it to the car body with a wire clip, leaving the pipes connected. Remove the brake disc and swivel bearing. Clamp the swivel bearing in a vise with aluminum jaws.
Install fixtures «33.2.116» And «33.2.150» with wheel bolts on the flange (pic. 13.30). With the aid of a device «33.4.200» press out the flange and remove the circlip (7, see fig. 13.28).
Attention! Seat surfaces must be cleaned and degreased.
Lubricate the bearing seat in the swivel bearing for 50% of its length with a compound like «Loctite 648/6381».
Bearing with inner diameter 45 mm (until 04.2000).
Using fixtures «31.2.113», «33.3.261». «33.3.262» and 33.3.266» (pic. 13.31) press the bearing out of the swivel bearing.
Install the bearing with its wide chamfer pointing towards the swivel bearing. Using fixtures «31.2.113», «33.3.261», «33.3.264» And «33.3.268» (pic. 13.32), press the bearing into the swivel bearing. Replace circlip (7, see fig. 13.28) and make sure it is installed correctly.
By installing the device «33.3.266» large diameter to the bearing and using tools «31.2.113», «33.3.261» And «33.3.268» (pic. 13.33) press in the flange (1) into the swivel base.
Bearing with inner diameter 49 mm
Using fixtures «31.2.113», «33.4.261», «33.3.261» and 33.3.263» (pic. 12.34), press the bearing out of the swivel bearing.
Install the bearing with the chamfer pointing towards the swivel bearing.
Using fixtures «22.1.011», «31.2.1.13», «33.3.261» And «33.4.262» (pic. 13.35), press the bearing into the swivel bearing. At the same time, the device «33.4.262» installed with a chamfer towards the bearing. Replace retaining ring and make sure it is installed correctly.
Install fixture «33.3.263» large diameter to the bearing and using tools «31.2.113», «33.3.261» And «33.3.268» (pic. 13.36), press in the flange (1) into the swivel base.