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IHI Crane main electric motor changeout

 

Deck crane number 3, an IHI - Wuhan crane, type SS360200-280B suffered a burned electric main motor damage and the motor had to most urgently be exchanged on anchorage. The crane construction is so, that the E-motor (140 kW) cannot pass through the normal maintenance hatch.

The owners considered to cut an access hole into the crane body, but the attending Senior ALATAS Engineer decided against. Instead, the access through the operator cabin was elected for the electric motor replacement.

However, it required the removal of the operator cabin, which was carried out by ALATAS own mechanics, utilizing ALATAS supplied Staging, Air hoists and rigging equipment.

A newly supplied motor was installed, including new chain couplings for the main pumps.

The crane then was successfully function tested in the presence of the owners representative

The damaged E-motor was transported to ALATAS Workshop for urgent re-winding, baking and dynamic balancing.

Another repair job carried out by ALATAS crane Specialists, on time and on budget.

 

 

Vessel view
Chain Coupling, properly aligned
Check magnetic contactor
Hooking up of grab on crane 1
       
Install new E-Motor into place
Lifting new motor
Lowering old motor
Lowering old motor
       
       
New Chain Coupling
New motor
Old burnt main E-Motor
Removal of operator cabin in progress
       
   
Termination motor connection
Crane testing in progress (with empty grab)
   

 

 

 
 
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