Raw mill reject bucket elevator Maintenance checklist
Raw mill reject bucket elevator
The auxiliary drive is not working due to defected springs and pins.
Coupling elements have a sever wear and there is 2 missed elements.
The housing of the fixed bearings for the drive sprocket has manufacturing defects.
The most of the bolts that connect the buckets and the chain links are loose.
The bearings of the driven sprockets have very high clearance and defected inner race.
The pin of the torque arm moved from its position and there is no tail on it.
1- Replace all springs and pins with new ones due to wear in pins and spring damage.
2- Replace the worn out coupling element and erect new elements instead of the missed ones.
3- When you replace the fixed bearing, the housing of it should be replaced too.
4- Replace all loose bolts which fix the buckets with the chain links.
5- Replace the bearings of the driven sprockets.
6- Adjust the pin of the drive unit torque arm and erect new tail.
7- Check the all buckets and links, and replace the defected.
Action has been taken:
1- All springs and pins for the auxiliary drive have been replaced.
2- The bearings of the driven sprockets and seal have been replaced.
3- The pin of the drive torque arm has been re-adjusted and a new tail erected.