back

News Detail

menu

What Are The Causes Of Telescopic Dithering Of Crane Boom?

Time:2020-02-03

Lifting machine accessories of the lifting arm in the process of work directly bearing the most, the most frequently used, of course, in the use of its fault is comparable to many. Here we explain the reasons for he occasional twitch of the crane boom extension:


First, we want to check whether the crane crane is too tight slider adjustment, if it is too tight will increase the friction arm, if long time vibration does not damage the small crane parts. At the same time also pay attention to whether the boom is not less smooth oil, this is the last mistake we should present.


Second, want to think is the air mixed in two telescopic cylinder of small crane, if be so, that is cylinder inside trouble, demand asks professional repairman to stop clearing, of course the teacher that has experience also can be handled easily.


If we sweep away the above reasons then we can see whether the control on the main valve of the crane is not stable damping stroke.


Finally, if not, it should be the quality of the oil cylinder itself.