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Lohmann & Stolterfoht cutterdrive gearbox


Product : Lohmann & Stolterfoht cutterdrive gearbox
Type : GJZ 1090 / 1265

P = 2 x 736 kW
Ratio 1 : 24,9

This Lohmann & Stolterfoht cutterdredger gearbox was inspected in the Caribbean by one of our engineers.

While the dredger was working in a normal way, suddenly strong noises around the gearbox were noticed and an increase of electricity consumption was detected.

It appeared that the split bronze-bush of the main shaft located at the driving was damaged. Mainly due to a leaking oil cooler the gearbox internals were corroded at several positions. It is likely that the output shaft and its bearings have suffered a lack of lubrication due to a blocked oil distribution.

Boone manufactured new parts and assembled them on location.

After the assembly the gearbox was modified on several positions, to be able to have more control on the loaded parts.


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