Adjust hub bearings
Proper adjustment of wheel bearings - one of the most
Responsible regulation of operations, as it dominates the
reliability of the bearings and the safety car.
Improper adjustment of the bearings, not to mention the fact that it is
leads to a rapid release of their failure can cause a jam
bearings and the car accident.
In addition, improper adjustment or improper installation
bearings is one of the reasons for whipping wheels, uneven
tire wear, poor handling car.
In order to properly adjust the hub bearings,
Perform the following steps.
A. Tighten the nut pin (currently 0.8-1.0 kgcm), turning
hub to ensure that commercials have taken the correct position.
Two. Loosen the nut on one face (1/6 turn).
Three. Insert the cotter pin, if the hole for the cotter pin and nut slot
coincide. It should be borne in mind that in order to
greater accuracy regupirovki Trunnion made two
vzaimoperpendikulyarnyh otverstiya a cotter pin.
4. If the slot nut and cotter pin hole does not match,
further loosen the nut on the 1 \ 2 of the (turnover) than would be
provided by the coincidence of the slot and insert the cotter pin hole
Five. Check the ease of rotation of the hub after the adjustment. Hub
should rotate very easily by hand without difficulty
provertyvaniya even in some locations. The rotation of the hub should
Must be borne in mind that the bearing preload
and a large gap in them invalid. After adjusting the axial clearance
bearings to be in the range 0,02-0,12 mm.
Zatrudnennoe provertyvanie, the gap is larger than this, or noise
provertyvanii hub indicate the need for re-
adjustment or re-disassembly, inspection and parts replacement.