Page 20
get under the load.
17. Make sure this secondary is as tight as possible, preferably using clutch-chains.
DE-RIGGING THE HOIST:
1.
Remove the secondary (when present).
2.
Check the direction of travel. If the pre-selection switch on the controller is in
the down-direction the chain hoist should run in down-direction.
3.
Check if both the lifting directions work properly (lifting and lowering).
Remove all people from the area before you start lowering the load. Do not allow
any people to stand under the moving load.
5. Make sure you have a full visual view on the complete travel path of the load.
6. Bring the load down until within reach for further dismantling.
7. Remove all parts of the load and slings attached the chain hook.
8. Disconnect the power and control cables.
9. Remove the chain hoist from the suspension structure and bring it down.
10. Put the chain hoist and the chain bag in their compartments of the flight case
(when applicable).
11. Remove any bracket, beam clamp or sling from the main structure elements.
Summary of Contents for DU903
Page 1: ...Page 1...
