Leveling requirement for bevel gear driving compressors in marine and land

[rQuestionEngineering]

A customer insist to have his gearbox level to 0.042 mm / m.
It is part of a gas turbine compressor

The same gearbox is used in floating production unit , which in nature could roll , yaw and incline .

Question is what could go wrong if the leveling is slightly out of limit ? ( 0.20 mm/m )
Example due to difficulties in adjusting the gas turbine side , the gearbox is inclined slightly .

 

[mfgenggear]

Op

There is good videos out there that explain how to level a gear box to a motor. And how important it is gear box shaft and motor output shaft must be online to the manufactures specs. There fore
Ti prevent the coupling from damaged.