Inspection and repair on VALMET K-80F gearbox

Scope of work:

We performed an inspection and repair on a gearbox VALMET K-80F.

The conversion operations consists of:

• Disassembling and cleaning of the gearbox.
• Inspection of the parts consisting of the following instruction:

• Gearbox casing
• Outside box was in reasonable condition, we had to scrape, to polish, to degrease and to conserve in the excisting colour.
• Inside box was in accepted condition.
• Renewing of bronze tubes.


• Inside gear set
• Renewing cover of the worm gear.
• Renewing of the output shaft.


• Miscellaneous
• Seals, bearings and innerring were renewed.
• Renewing of the airvalve and oil gauge glass.

Preparing for test run, deploying of the gearbox, filling with oil and a test run for four hours.
Degreasing on the outside and conserving in one coat.
Preparing of the gearbox for shipping.