GBS Gearbox Services international brand of Schaaf- en Boorwerk Rotterdam B.V.
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Inspection and repair on HURTH HKS A 18-292 gearbox

Inspection and repair on HURTH HKS A 18-292 gearbox

  • HURTH gearbox
  • HKS A 18-292
  • Input=___ rpm / ____ KW
  • NL

Scope of work:

We performed an inspection and repair on a gearbox HURTH HKS A 18-292.


This client from The Netherlands came to us with this HURTH HKS A 18-292. We inspected the gearbox and performed a repair. After a succesful testrun we shipped the gearbox back to the client.

The disassembly of the coupling went without problems. The condition of the coupling is 0.34 mm. After cleaning all parts it appeared that the return channel of the labyrinth was closed with silicone sealant, see photo 4. The return hole ends in the lower bolt hole of the labyrinth lid (This hole continues into the gearbox)

The suspicion of GBS is that some silicone sealant has been sprayed into the relevant bolt hole to prevent leakage of the screw thread, but too much is used so that the sealant is pushed backwards and thus has blocked the return hole. In consultation with the customer, and by telephone with their client, it was decided to carefully open the threaded hole, clean it well and check whether the oil that ends up in the labyrinth actually goes back into the gearbox through the relevant holes.

These operations have been carried out and everything has been neatly assembled back into place with the right dimensions.



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Location - date:

The Netherlands - January 2018

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