Rotaries under Raw mill cyclones Maintenance
Rotaries under R.M cyclones
1- All keys for this rotaries have a sever wear, also the key ways in the hollow shafts and motor shafts have a sever wear.
2- There is an axial movement in the in the input shaft for the gear box for the
rotary under cyclone no.2.
1- Replace all keys.
2- Repair the hollow shafts and motor shafts due to the sever wear.
3- Check the bearings of the hollow shafts which have axial movement and replace the bearings if needed for rotary under cyclone no.2.
Action has been taken
1- The worn out key ways have been repaired (for motor shafts only).
2- All keys have been replaced.
3- Oil seals of high speed shafts have been changed
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