(1) After the installation of the pneumatic Dispatch Winch in accordance with the requirements, the overall requirements must be stable, reliable, complete and reliable protective cover, flexible and easy to use brake device.
(2) Before lifting operation with pneumatic Dispatch Winch, the rope, rope sleeve, air consumption, wire rope arrangement, hook connection system, locking device and brake performance should be carefully checked, and the lifting and releasing work should be tested to ensure safe lifting operation.
(3) The operator of the Dispatch Winch shall cooperate and coordinate with the staff of the rope binding of the object to be lifted, and shall not lift without permission without receiving the lifting signal.
(4) In the process of lifting operation, the hook must maintain a good locking performance, and often check the locking performance and the safety and reliability of each connection.
(5) In the operation of the Dispatch Winch, the hoisting rope, rope sleeve and the derrick or other objects shall not be hung. When the heavy object is lifted, the operator shall not leave the pneumatic winch.
(6) After lifting heavy objects, it is strictly prohibited to stand or pass under and around the lifting objects. It is strictly prohibited to lift 8 "and 9" large drill collars with a 5 ton pneumatic Dispatch Winch.
(7) During the lifting operation, it is forbidden for ground personnel to directly touch the lifting object with their hands. After hanging the hook, personnel should actively withdraw from the lifting operation site.
(8) the selection of small winch operator must be operated by skilled personnel, the operation process has a specially-assigned command, clear signal.
(9) The construction of the Dispatch Winch can not be carried out at the same time as the wellhead operation (such as the wellhead casing down, can not be used at the same time to the mouse hole with pneumatic winch sleeve), if such operation is regarded as illegal operation.
