About 3t crane's defects

We strongly believe that used cargo crane is up to serve its owner for more than 5~10 years or even longer.

In following guide we give examples of defects, each of which is reason enough for the cargo crane to be marked as unusable.

We conduct strict selection of cargo cranes for our stock, identify any problems.
 One who orders a cargo crane at our store, won’t need to worry about any of the defects listed below.

  1. Boom sections' defects
  2. Boom sheaves' defects
  3. Column's defects
  4. Hoist winch defects
  5. Base's defects
  6. Hook block/wire's defects
  7. Outrigger's defects

 

1. Boom sections' defects

Part Defect Example
Boom edges/sheets Dent
Non-factory welding
H-cylinder Leakage Soon!

 

2. Boom sheaves' defects

Part Defect Example
Sheaves, sheaves' wire ropes No wire ropes Soon!
Damaged wire ropes Soon!
Slackened wire ropes Soon!
Damaged sheaves Soon!

 

3. Column's defects

Part Defect Example
Column's edges/sheets Dent, kink
Non-factory welding
H-cylinder Leakage Soon!
Damaged rod Soon!
Rust Soon!

 

4. Hoist winch's defects

Part Defect Example
Hoist winch's edges/sheets Dent, bump
Non-factory welding Soon!
Crack
Hoist winch wire Tangle

 

5. Base's defects

Part Defect Example
Base plate / Swing device bolts/nuts Non-factory bolts tightening
Table-turn Lack of teeth
Leakage Soon!
H-pump No H-pump Soon!
Tank Dent, kink
 

 

6. Hook block / wires’ defects

Part Defect Example
Wire rope Wire protrusion
Core protrusion
Sunken strand
Strand protrusion
Flattened rope
Kinks of tightened loops
Waviness, deformation
Birdcage, lantern deformation, basket
Hook block No hook block Soon!
No wire ropes Soon!

 

7. Outriggers' defects

Part Defects Example
Outriggers' edges/sheets Dent, bump
Non-factory welding Soon!
Rusty holes