Under normal circumstances, the double row deep groove ball bearing temperature should be around 30 ℃, the maximum temperature not more than 70 degrees Celsius, otherwise, because of high bearing temperatures caused deformation under the most severe cases, cause jaw crusher direct damage, and moreworse, a direct result of the explosion of the machine.
 
Therefore alert to the jaw crusher bearing temperature, especially in summer, more urgent.
 
A, bearing wear or cage damage.
 
Second, tight bushing occurrence of axial movement.
 
Thrid, Bearing off the oil or oil injection too.
 
Fourth, crusher flying sheaves with weights position deviation rack beating.
 
Fiveth, hole to plug, the oil and not enter.
 
Sixth, non-bearing heat up, but moving jaw sealing sleeve and end cap friction heat or rack bearing double inlay cover together with the spindle rotation, friction and heat.
 
1, to maintain a clean bearing lubrication

Double row deep groove ball bearings, a check should first clean the bearing surface, then carefully check the bearing oil seal and the surrounding parts have shown undesirable symptoms, be sure to change out the bad oil seal will cause damage, the bearing cloud like normal equipment downtime.
 
2,Note that the coverage of exposed bearing

Do not let the check bearing a double row deep groove ball bearings exposed to the environment of contaminants or moisture. If the interruption of work should be based on the greaseproof paper of plastic sheeting or similar material to cover once the machine. Cleaning the exposed bearings without disassembling the case may perform a check, coated with a petroleum solvent cleaning to coating with the brush, then dry with a lint cloth or compressed air dryer (be careful not to let bearing assemblies starting rotation).



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