Boom hinge repairs on Kawasaki deck cranes

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Accident Repairs on Deck Crane Rope Sheave Assembly

The vessel is equipped with Tsuji deck cranes type HSDHS 3528, with SWL of 35t. x 28m. Whilst loading coal with motor grabs, the luffing winch experienced a catastrophic failure, causing the boom to free fall. Besides sever damage to the crane jib, grab and ship's structure, also the rope sheave assembly at the top of the crane column got damaged, bent and distorted.
One of ALATAS tasks was to design, fabricate and install a new rope shave assembly, c/w with brackets, consoles and new rope sheaves.
The design was class approved and the entire repairs were carried out under class supervision.


Staging Erected	Damaged top sheave structure


Arrange Frames	Start to remove sheave structure


Removed sheave structure from slew column	Removed sheave structure fron slew column


Welding process of slew column top sheaves	Welding of wire end point lock



Alatas fabricated new sheave bracket	Alatas fabricated new sheave bracket


Lifting to the position	Full Weld with mounting at slew column


Final load test

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