Home Service NOTIFICATION 04-03E Winch
NOTIFICATION : ADVISE FOR PREVENTIVE SERVICE
 
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  November 20th, 2008
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To: All users of NDM winches type 04-03E as built on davit types:
•  SCM ..- ..R (incl. combi davit version LR)
•  SCH ..- ..R (incl. combi davit version LR)
•  PRHE 20 / 30

DOWNLOAD THIS NOTIFICATION IN PDF FORMAT (click link to open PDF file)

For winches of above types with testing dates on the nameplate between 30/06/2003 and 31/07/2006 there is a possibility that of one of the roller bearings of the brake shaft the material of the Bearing Housing is of Composite/plastic material. Experience in the field has taught us that in some cases, the bearing Housing of Composite/Plastic Material has created a problem, resulting in a break down. Break down will show itself in a manner that hoisting is no longer possible and the craft is lowering itself automatically at a speed that is safely controlled by the centrifugal break.
REASON:
The bearing Housing of Composite/Plastic Material in the roller bearing has broken, resulting in a bearing failure. The bearing Rollers have dropped in the gear casing leaving to much play between brake plate and brake flange that brake lever cannot cover the distance between the brake surfaces to give proper brake action.

If above occurs apply following action to bring back the craft:

SOLUTION (TEMPERARY until new bearing is on board):
•  Take of brake lever
•  Turn spline shaft fully inward until it is stopped.
•  Re-assemble brake lever.
•  Hand hoist craft back to its stowed position.

WARNING:
AVOID ELECTRIC HOISTING THIS WILL RESULT IN SEVERE DAMAGE OF THE BRAKE SHAFT AND MAKE IT NO LONGER USABLE !!!
   

Notify Ned-Deck Marine via the contact form below (all fields required):

When informing Ned-Deck Marine about the problem or when you want to do a preventive service Ned-Deck Marine will supply a bearing replacement kit free of charge.

If a service engineer is required our service department will assist in finding the nearest authorised NDM service engineer / service station.

NOTIFY NDM
Your contact information:
your name :
*
company :
your email :
*
phone no.:
*
fax no. :
Vessel / NDM Product details:
Serial no of davit / crane :
*e.g. 113202-2
Vessel/rig name :
* e.g. "MV Mistral "
Name of owner / operator :
 * e.g. Ship Co. Ltd.
IMO Number:
* e.g. 9012345
Delivery details / comments :
Full delivery adress
for free service kit:


Please enclude full address and instructions.
Note that delivery to P.O. Boxes is not always possible..

Other comments:
 

 

 

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