Maintenance of Cranes

How about maintenance of cranes?

FAQ 十 16, 2015 No Comments

Please follow below rules to maintain cranes anytime to ensure a smooth operation.

1. Lubricating

Working performance and service life of all mechanisms of crane depend on lubricating to a big extent.

Lubricating for mechanical and electrical products has to follow specifications, crane moving mechanism and lifting trolley have to be fueled lubricating grease once per week. Winch has to be lubricated with industrial gear oil (SY1172-80)200, and the fuel head has to be checked frequently and supplemented immediately.

2. Steel wire rope

Fracture of wire has to be specially noticed. A new steel wire rope has to be changed immediately with the condition of broken wire, broken strands and wear loss to scrapping standard.

3. Spreader


The spreader has to be checked regularly

4. Pulley block

Mainly check rope race wearing condition, check whether wheel flange is cracked and whether pulley could get stuck in the axle or not

5. Wheels

Regularly check wheel flange and tread, a new wheel has to be immediately replaced as crack part or wearing in wheel flange reaches 10% of wheel thickness

Re-polishing has to be done as diameters between two driving wheels on tread differs more than D/600, or there are severe scar on the tread

6. Brake

Check one time per shift

The brake should be in accurate movement, and pins do not allow to be stuck. Brake shoes shall fit brake wheels correctly; the brake shoes interval shall be equal to open them.

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