News
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XCMG QY20B crane turns fast and slow
Fault phenomenon: Xugong QY20B crane rotates fast and slowly。 Fault description: get on the train and rotate fast while slow. Observe that the pressures on both sides are different during field operation. Cause analysis of failure: 1: The positioning screw of the rotar...Read more -
XCT25L5 three-four-five arm can’t be extended
Malfunction phenomenon: XCT25L5 345 joint arm cannot extend out。 Fault description: XCT25L5 has no action when extending two arms and then extending three or four or five arms, and the two arms extend normally. Cause analysis of failure: electrical failure. Troubleshoot...Read more -
XCMG QY25K5-QY50K (including QY50B) crane’s second arm and three four five arm do not change direction.
Malfunction phenomenon: XCMG QY25K5-QY50K (including QY50B) crane's second arm and three four five arm do not change direction. Fault description: on the car two arms shrink normally, three four five arms can not switch telescopic. Analysis of the cause of the fault: 1...Read more