Zoomlion QY30V, Руководство пользователя

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c) c) The inspection The inspection of loweri of lowering limi ng limit sw t switch can itch can be carr be carried out ied out as follows as follows::
– – T Telescope out the boom to its maximum length; elescope out the boom to its maximum length;
– – Lift the boom to its maximum angle and reel off the wire rope slowly; Lift the boom to its maximum angle and reel off the wire rope slowly;
Crane inspections Crane inspections
– – Require another person to observe rope guiding condition; Require another person to observe rope guiding condition;
– – Check Check whether whether the the lowering lowering limit limit switch switch is is activated activated when when only only 3 3 hoist hoist rope rope
windings are left on the winch. windings are left on the winch.
– – Check main / auxiliary winch in the same method. Check main / auxiliary winch in the same method.
Risk of serious accident due to Risk of serious accident due to abnormal operation of safety devices! abnormal operation of safety devices!
Danger Danger