Inspection and repair on DAVID BROWN HSN-250-SRG gearbox

This client from Belgium came to us with this DAVID BROWN HSN-250-SRG. We inspected the gearbox and performed a repair. After a succesful testrun we shipped the gearbox back to the client.

The work consisted of:


All white metal bearings and shafts are badly damaged. The cause for this is; the lubrication between the shaft and the bearing was inadequate.

This could be due to;

- Too much water in the oil (a lot of corrosion has been observed)
- Incorrect start-up procedure during start-up, as a result of which there is an insufficient oil film between shaft and bearing during start-up
- A combination of the above