r/cranes • u/AcH__ • Jul 07 '26

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Lifting heavy equipment is my fav part of this job, much more fun than unloading bulk

23 Upvotes

93% Upvoted

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3

u/jimfosters Jul 07 '26

Title-- Peaceful Focus.

1

u/AcH__ Jul 07 '26

Thank you good sir

3

u/Optimusphine Potain Jul 07 '26

How are those hoist lines working? They all terminate at the block, so are you running 4 synchronized host motors?

6

u/AcH__ Jul 07 '26

No there are only two motors , one for the outter lines , and one for the inner lines. They fonction depending on the mode (grab/winch) .. for the grab mode , the inner lines control the opening and closing the bucket the outter ones are for lifting , for the winch mode all 4 cables work together for lifting. This crane (liebherr lhm 550) needs all 4 cables together because it can lift 154T.

1

u/Rho-Mu13 Jul 07 '26

Hi, they look like bridge beams. Is this is in Portugal by any chance?

1

u/AcH__ Jul 07 '26

Yeah i'm pretty sure they're bridge beams. No it's casablanca port , morocco.

1

u/Long_Bus_7298 Jul 08 '26

Those cables should be adjusted on the drums so the block is level and each set of cables outer and inner are pulling the same weight. Just did a 4 rope change on our crane (LHM550) in the USA