WÄRTSILÄ RT-flex50-D, Maintenance Manual

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Maintenance
0012−1/A1
RT-flex50-D
Wärtsilä Switzerland Ltd
1/ 5
1. General
The permissible capacities of the engine crane, lifting tools, ropes, chains, lifting
eye bolts, etc. must always correspond with the weights of the parts to be lifted
(see also Masses (Weights)
0360−1 ).
Remark: The admissible lifting (max. loading) capacity in kg corresponds to the
WLL = Working Load Limit.
For fitting and removal of engine components or their transportation, only the tools
which are in perfect condition and intended for this purpose may be used. Ropes
which have begun tearing or otherwise are defective and tools which are damaged
have to be exchanged.
For safe and proper handling of crane, suspension tools or transport of loads we
recommend to proceed as follows for safety reasons:
D
Determination of the weight of load
D
Determination of the suspension centres and weight distribution
D
Choice of attachment elements
D
Attaching and disconnecting
2. Attachment elements
2.1 Wire rope slings
The lifting capacity of the wire rope slings is listed under their tool number in Tools
List
9403−5 .
2.2 Span-sets
Span-sets have the advantage of easy and simple handling. The code and the
colour normally indicate the maximum admissible total load. Loops and knots in
the span-sets reduce their lifting capacity by one third.
2.3 Eye bolts and eye nuts
Only those eye bolts and eye nuts may be used which are in accordance with DIN
580 & 582:2003−08 or which fulfil or exceed these values, including the safety
factor.
All calculations for components and tools where eye bolts and eye nuts are used
are laid out accordingly and based on the mentioned standards.
General Guidelines for Lifting Tools
Wire Rope Slings, Span-sets, Eye Bolts, etc.
2010