Application method:

　　For new equipment or Marine hoisting motor after disassembly and inspection, empty car test run should be carried out several times at first. But before the end of the equipment, do not try to turn on the power. In the course of operation, it shall be prohibited to operate in an unallowable environment and in excess of the additional load and the additional closing times (120 times) per hour. During equipment debugging and protection, it is necessary to strictly check whether the limit equipment is flexible and reliable. When the lifting hook rises to the upper limit bearing, the separation between the hook shell and the drum shell should be greater than 50mm(10t, 16t, 20t is necessary to be greater than 120mm). When the hook falls to the lower limit bearing, the safety ring of the wire rope on the drum shall be ensured, and the effective safety ring shall be more than 2 laps. It is not allowed to press two flashlight door buttons which make the Marine crane motor move in opposite direction at the same time.

　　Notes:

　　1. Marine hoisting motor shall not be used to lift or unload heavy objects by side to prevent overload.

　　2, in the process of application, the operator should check at any time whether there are random buckle wire rope, knot, groove, wear and other phenomena, if present should be timely cleaning, and often check the rope guide and limit switch is safe and reliable.

　　4. After the operation, close the main power switch and block the main power supply.