Electric hoist  is usually used in bridge construction, power, ship, building and tunnel etc. Therefore, the electric hoist of launching gantry plays an important role BRIDGE GIRDER LAUCNHER

in maintenance.

 5. cut off the power after the work is finished.

 6. check the electric hoist regularly by worker to find fault and take step timely, and then record detailedly . If finding g the fault, cutting off the main power; pay attention to the quick-wear part.

7. keep enough lubricating oil, and keep it clearly without impurity and dirt.

8.The 10~20t hoist run for a long time which can interrupt suddenly, it belongs to the motor’s temperature protection function. The motor can continue to work after a short time.

9. In case of the parts become deformed, when the electric hoist stop the work, the

heavy weight don’t allow to be lift in air.