Electric hoist maintenance needs to pay attention to a wide range of the main aspects of the following

1, often keep the electric hoist parts dry, please drive the hoist away from the work area when the operation is completed to maintain its performance.

2, electric hoist gear box oil from the start of operation up to 500 hours, please check whether the amount of lubricating oil is sufficient, the third month after the regular inspection of the lubricating oil situation, insufficient to refuel.

3, electric chain hoist maintenance chain please oil lubrication or lubricating oil, and regular removal of the chain and limit guide groove group of foreign objects to ensure the smooth operation of the chain.

4, before the normal use of electric hoist should be 125% of the rated load, lifting about 100 mm from the ground for 10 minutes of static load test, and check whether normal.

5, long-term non-application of electric hoist should be done to prevent rust treatment and cleaning and maintenance, and 1-3 minutes of up and down operation to maintain its performance. Electric hoist installed after disassembly and inspection should first be empty test run several times. But before the installation is completed, remember to power on the test run.

6, maintenance and commissioning of electric hoist must strictly check whether the limit device is flexible and reliable, when the hook up to the upper limit position when the hook shell to the coil shell distance must be greater than 50mm. when the hook down to the lower limit position should ensure that the coil on the rope chain safety circle, the effective safety circle must be more than 2 circles.

Electric hoist inspection finished a wide range, including the lifting weight sign, metal structure, hook, wire rope / chain, pulley, brake, reducer, electrical, safety devices, no-load test, etc., should be in normal condition.

By