Inspection and repair of FLENDER ZE-90 gearbox

Scope of work:

We performed an inspection and revision on gearbox FLENDER ZE-90.

The conversion operations consists of:

• Disassembling of the top cover
• Fixating of the output spline shafts per fixing plate.
• The serrations with reference to eachother.

• In the inside of the gear casing were found metal particles from the broken tooth.

• The serrations of the input shaft had afford skew.
• The input pinion was in the first way manual cut from damages and after that    minimal cut.
• Bearings and seals were replaced.

• A tooth was broken on the gear of the first ladder.
• The gear was slack on the shaft and the keyway was burst.
• The gear was renewed.

• The bearing of the first transmission shaft driven side has entrained in the calibre.
• The first transmission shaft was renewed.

• The output spline shafts was examinated for bursts with the aid of a penetrant    examination.
• There were not found any bursts.
• The seals and bearings were renewed.

• The gearbox has set a test run for four hours.