TIMKEN bearings should it be specific judgment methods of repair, TIMKEN bearings has been fully utilized and the near destruction of a particular occurrence of a judge is as follows:
　　1) using the TIMKEN bearing condition monitoring apparatus
　　Using, for example, ferrograph or SPM or I-ID-1 TIMKEN bearing condition monitoring apparatus to determine the bearing of working condition and determines when TIMKEN bearings should be repair, this is the most convenient and more reliable method.
　　For example, when you use the HD-1 instrument, and when the pointer from warning area close to the danger zone, and take measures, improved lubrication pointer does not return, will be able to identify the TIMKEN bearing their problems, when you can take advantage of not entering the danger zone, TIMKEN bearing repair. How far from the danger zone began to be repaired, can be adjusted by the experience.
　　Using this instrument, you can take full advantage of TIMKEN bearing potential, bearing to be repaired in a timely manner, and avoid failure occurs, are safe and economical.
　　2) using simple tools to listen
　　Situations where, in the absence of the above-mentioned instruments, the operator can be armed with rods or tools such as wrenches subject closest to the TIMKEN bearing shell of machine parts, ears ashamed to tool by tool listens on from the TIMKEN bearing operation, using converted medical stethoscope can also, of course.
　　TIMKEN bearings normal operation should be uniform, smooth and not harsh voice, and does not sound normal bearing operation has a variety of intermittent, or harsh sound of impact. TIMKEN bearings first to get used to normal operation, then you can make the judgment does not sound normal bearing operation, and accumulate experience through practice, and further can analyse what kind of abnormal voice TIMKEN bearings correspond to what is not normal. TIMKEN bearing many abnormal sound category, difficult to indescribable and rely on experience.


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