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