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MOSKVICH-412

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WHEELS
WHEEL BALANCING

Marking the wheels deposited on the inner surface of the rim includes a rim size designation, the manufacturer, the month and year (Fig. 167). Proper wheel balance is very important. The increase in excess of the wheel imbalance can cause: wheel wobble (shimmy); decrease in the stability of the vehicle; vibration and noise while driving; increased wear of the front suspension and steering gear; increased tire wear (wearing a spotty nature of the wear and tear). In this way, the appearance of each of the events ukazannyh.vyshe demonstrates the need for checking wheel imbalance and, if will be necessary to conduct balancing (it should be noted that an imbalance of wheels is not the sole cause of the above phenomena - other possible causes and remedies are given in sections of the front suspension and steering). Check wheel imbalance should be performed not only xinforms the phenomena mentioned above, but proactively. It is desirable to combine this permutation test with the wheels, ie to inspect every 10,000 kilometers. The simplest possible reveal the presence of an imbalance of wheels without removing them from the car, with Using the tool, which is a motor with special pulley mounted on a small trolley. To reveal the imbalance by using this device poddomkratte front of the car so that the front wheel was posted and pressed by this pulley wheel motor, unwind the wheel, to be consistent with the rotation of the rotation of the wheels at speeds 100 km / h The presence of imbalance will cause easily perceptible vibration of the wheel. The wheel is not imbalances will be rotated evenly, with no vibration. Less than perfect way to test for which is determined only by static unbalance is the definition of a point-wheel drive (Posted by the wheel is one situation in which severe point is located at the bottom). Finally, the most perfect way to determine wheel imbalance (Both static and dynamic) - set the wheels in a special stand. In any case, before determining an imbalance wheels thoroughly with Clean both sides of the wheel from adhering dirt, since it is this dirt can cause wheel imbalance. Then bring back to normal tire pressure and check the runout of the wheels, which should noxtexceed the values given in Table. 14. Static imbalance can be determined by finding the point of heavy wheels on the stand or directly to the wheel hub. Dynamic unbalance can be defined only on a special stand during the rotation of the wheel turns, corresponding high-speed car. Removal of both types of imbalance by means of special balancing weights fitted to the rim flange wheels. If for any reason, dynamic balancing is not made, should be taken to reduce, the possible dynamic imbalance, which place the balancing weights on the outside as, and the inside of the rim, dividing them equally (by mass). The exact dynamic balancing, as mentioned, can be made Only on special stands and must be carried out in accordance with the instruction to the stand, which is balancing. Table 14 Permissible runout rim wheels and tires, mm Rim on the tire footprint: the adaptation of ...... ................................... Axial ................. 1 radial ............. 1 Rim to seat tire: the car ......... ................................... Axial ................. 1.5 radial ............. 1.2 Bus: to adapt (in sidewall) ............ Axial ................. 3 radial ............. 2.5 Bus: a car) on the tread) ............... Axial ................. 4.5 radial ............. 3.5 Москвич-412
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