Inspection and repair on ZPMC TB340.47.A1B gearbox

Scope of work:

We performed an inspection and repair on a gearbox ZPMC TB340.47.A1B.

The conversion operations consists of:

• Disassembling and a visual inspection of the gearbox.
• Performing of the repair constructions.
• Deploying of the inspection report.
• Stop point.



• Gearbox casing
• The outside box was in unaccepted condition, we had to scrape, to degrease and to conserve in the excisting colour.
• The coating of the inside box and conserving in the Alunol.
• The inside box was in reasonable condition.


• Inside first gear set
• In way of the spur bevel pinion shaft the toothing performed light scuffing.


• Inside second gear set
• In way of the toothing the pinion shaft performed light scuffing.
• In way of the toothing the gear performed light scuffing and damages.


• Inside third gear set
• In way of the toothing the gear performed light scuffing and damages.
• Renewing of the output hollow shaft.


• Miscellaneous
• Seals and bearings were renewed.
• Renewing of the clamping sleeve.
• Renewing of cell filler plug.
• Cleaning and re-using of the oil level gage.