Originally Posted by sganesh

Dear Experts,

Recently I faced a breakdown in one of the two drives of slewing arrangement in a reclaimer. I removed the damaged drive and released the reclaimer with a single drive for operation. Though there is no significant change in the ampere reading, I am not sure that this is correct or not.

Requesting your opinion please.

Regards,

Namaskar;

My friend If you have physically removed the entire drive gearing mechanism due to

component failure, the issue will be bearing stress on the opposite side of the slewing

ring which will increase stress on the mating gears and slewing bearing.

It will be best to explain to your operators that the operation of the reclaimer needs

to proceed very slowly when dipping into the stockpile(s) until the component is reinstalled.

The amperage will spike at start up of the motor(s) but if you have a VFD it should not be an issue ■

Dear Sganesh

If you didn´t see any significant change in the current readings, it can be a sign of unleved distribution of forces between the two drives.

Or bad adjustment of the gears.

It is usual to size just one drive for work alone, even when you have 2 drives, exactly for the need of maintenance of one drive.

Probably this system is designed to be driven for just one motor, but I agree with Mr. Izaharis, using just one drive will increase the wear in this pinion.

By other hand, it is good to have 2 drives working, when we think about the next failure...stop time will be avoided.

Regards. ■