Gearbox Krupp inspection and repair of KRUPP SN11/1400/9

Scope of work:

We performed inspection and repair on a gearbox KRUPP SN11/1400/9.

Our customer has repaired the pinion shaft of the gearbox. The repaired pinion bearings temperature was raising to 90 degree centigrade and also running with high vibration. Our customer asked to inspect the gearbox to report its condition.

The conversion operations consists of:

• Shaft has been inspected on oscillation. This was 0.22 mm on the diameter.
• Gear is heavily damaged and pinion has to be re-newed.
• Bores of the input shaft were also heavily damaged.
• The oil flow was too low.

We reported our recommendations after the inspection.