Zoomlion QY30V, Manual

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08 - 10 08 - 10
7) 7) Extreme Extreme environmental environmental conditions: conditions:
- - Extreme Extreme temperatures temperatures
- - Corrosive Corrosive atmosphere atmosphere
Crane inspections Crane inspections
- - Dust Dust and and dirt dirt
The reducers must be repaired after using for 10 years. The reducers must be repaired after using for 10 years.
8.4.4 Inspecting the hooks 8.4.4 Inspecting the hooks
The hooks must be often inspected for distortion and for thread corrosion / wear and The hooks must be often inspected for distortion and for thread corrosion / wear and
tear by a competent inspector. tear by a competent inspector.
The purpose of the inspections is to avoid accidents by detecting deficiencies in a The purpose of the inspections is to avoid accidents by detecting deficiencies in a
timely fashion. Stop using the hook after finding timely fashion. Stop using the hook after finding it. it.
Any Any deficiencies deficiencies determined determined by by the the inspector inspector must must be be documented, documented, corrected, corrected, and and
subsequently repaired or replaced. subsequently repaired or replaced.
Weld repair of hook’s disfigurement is not al Weld repair of hook’s disfigurement is not allowed. lowed.
8.4.5 Inspecting the wire rope pulleys 8.4.5 Inspecting the wire rope pulleys
Inspect the entire wire rope pulley assemblies for damage and crack at least once a Inspect the entire wire rope pulley assemblies for damage and crack at least once a
year. year.
If wire rope pulleys are subjected to any impacts (e.g., with buildings) or are subjected If wire rope pulleys are subjected to any impacts (e.g., with buildings) or are subjected
to other outside forces other than load forces, they must be immediately visually to other outside forces other than load forces, they must be immediately visually
inspected for damage or cracks. inspected for damage or cracks.
Risk of accident when damaged or cracked! Risk of accident when damaged or cracked!
Replace wire rope pulley as soon as possible. Replace wire rope pulley as soon as possible.
Also Also check check for for wear wear on on the the rope rope groove. groove. Replace Replace the the pulley pulley if if the the bottom bottom of of the the rope rope
groove has been worn down more than 1/4 of the rope diameter. groove has been worn down more than 1/4 of the rope diameter.
8.4.6 Inspecting the crane wire ropes 8.4.6 Inspecting the crane wire ropes
Wire ropes shall be checked regularly. Strict inspection must be made to the ropes Wire ropes shall be checked regularly. Strict inspection must be made to the ropes
which are to be newly used after installation. Furthermore, if wire ropes which are to be newly used after installation. Furthermore, if wire ropes are subjected to are subjected to
special tightening force or damages to ropes are invisible or damages just appear, special tightening force or damages to ropes are invisible or damages just appear,
particular attention must be paid to checking safety of wire ropes in the following particular attention must be paid to checking safety of wire ropes in the following
aspects: aspects:
a) a) Type Type and and number number of of wire wire breaks; breaks;
Danger Danger
Caution Caution
Caution Caution