- This machine is required to lower bleed shackles from bleed rail height to a from which an operator can lift them off.
- There are several types available to accommodate different include:
- Chain lowerators
- Screw lowerators
- Vertical pneumatic droppers Pneumatic devices can be added to index shackles one at a time or the operator.
- This machine may not be required if a dedicated shackle return conveyor being used.