The vehicle installation cylindrical roller bearings can not drive rashly; have to carry out the necessary checks:
    Test shaft by hand a cylindrical roller bearing assembly, observe the following situations:
    1) rotating system with fixed parts touching or interference phenomena,
    2) the rotation of the rotating system is stable and flexible ax block, loose, ran back and forth in the pill;
    3) cylindrical roller end face of the bearing inner ring is reliably inconsistent with the end face of the shaft shoulder, during which the gap (with lights and observe whether the light leakage);
    4) Observe the oil supply or distribution is normal, the gap of the sealing device is symmetrical, each fastener loosening.
    2, if necessary, to check the accuracy of the rotation of the rotating system, the accuracy of the axial limit, clearance work, as well as other necessary inspection items.
    3, when the inspection items and all of them were found to normal, the first low-speed, after the high-speed test, observe sound, temperature often ended.
4 found any unusual signs should immediately stop troubleshooting. If everything is normal, can be put into operation delivered.



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