When it rotates, it will make a strange noise. When will this sound disappear?
Look at whether the bearings are installed in place, and whether the bearings are coated with lubricating oil, the new change of bearings should not have abnormal sound.
This is normal! The new ones are all like this! The pressure of the turret of the excavator is different from that of other cars; the pressure is very large and can not be disappeared at one time! The other car's bearings are still new; let alone the excavator; so you don't have to worry that the sound will take off in about ten days.
Abnormal sound is a uniform sound can be, if it is interrupted abnormal sound, we should pay attention to, whether by improper loading or not enough oil and lead to the two ball raw linen
At the beginning of a slightly even, abnormal sound, nothing, if always stuck in a place, then there is a problem, but also pay attention to product accuracy, cross section jitter, etc.!
