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Liebherr 295000 hook failure

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Findork

Findork

Student
Joined
Dec 30, 2021
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8
Location
FI
New guy here don't shoot. About two years ago liebherr 295000 hook broke. Now crane has been repaired. Crane hook looks bit different. The nut is a lot bigger than before.
Screenshot_20220709-185922_wnp1n4.png
 
This is the accident hook
Screenshot_20220709-185031_y3aiua.png
 
Post is good and welcome, and welcome to the menagerie...

So strange to see the singularity approaching while the entire planet is rapidly turning into a hellscape. -John Coates

-Dik
 
My guess is that bearing broke and shockload broke the stem. And now maybe bearing is bigger. The old design hook bearing is over the dynamic load chart.
 
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