Double row angular contact ball bearings in the process, many people focus only on the big issues. And did not see some minor problems. Often because these small problems cause bearing damage or even the end of life.
Troubleshooting rear engine bearing life can not be calculated by normal wear, the use of time, because the abnormal amount of wear of a tiny particles equivalent to the amount of wear of the engine 2500 hours of normal use.
The tiny particles into the double row angular contact ball bearings:
First, the air cleaner filter bad or the seal is not good intake system, you want to check the the intake system ministries pipeline junction, for cracks and loose, also check the filter for loose paper core with or without rupture. Repair or maintenance of the inspection of the entire intake system is very important, to ensure reliability.
The lubricant contaminated engine oil and filter all machine filter clogged too long, so that the lubricating surface oil directly into the filter without filtration.
Third, excessive fuel oil combustion endless, the nozzle leak, causing the fuel to penetrate the crankcase, the same time, some of the impurities with the fuel into the crankcase and oil mixed together to reduce the lubricating effect.
Engine in use to observe the smoke and the functioning of the engine, if abnormal timely identification of the reasons for repair or replacement.
Fourth, when the engine is assembled, the cleanliness of the internal parts of the differential. Must pay attention to the cleanliness of the parts in the repair and maintenance of the engine, to prevent further contamination, and to ensure the cleanliness of the internal installed.



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