Chains should never be loose or hanging, always tighten the chains after the door has been closed. Never haul a pan with loose chains.
Raise the hoist to allow material to fall/slide out of the pan.
When in the down position after dumping, secure the door in the closed position. Double check the material that was dumped for consistency with the work order. If the material is inconsistent with the work order:
Release the PTO
Proceed to the pan cleaning area between warehouse 14 and 15 and clean the pan out completely. Finally, close the door and secure all the chains.