Testing the New Overhead Crane System

Once the overhead crane installation is complete, the installers will test the functionality of the new overhead crane system and also perform a rated load test. OSHA 1910.179 Overhead & Gantry Cranes Regulations states that:

1、Prior to initial use all new and altered cranes shall be tested to insure compliance with this section including the following functions:

• Hoisting and lowering
• Trolley travel
• Bridge travel
• Limit switches, locking and safety devices

2、The trip setting of hoist limit switches shall be determined by tests with an empty hook traveling in increasing speeds up to the maximum speed. The actuating mechanism of the limit switch shall be located so that it will trip the switch, under all conditions, in sufficient time to prevent contact of the hook or hook block with any part of the trolley.

Test loads shall not be less than 100 percent, or more than 125 percent, of the rated load unless otherwise recommended by the manufacturer. These test reports shall be placed on file where readily available to appointed personnel. Overhead cranes can be tested using water weights or by using loads on-site. Load testing is included with any installation or crane upgrade or modernization.

Lastly, once the overhead crane equipment has been tested for proper functionality, the installers will provide training to the operators and end-users on their new equipment. Training can range from a couple of hours to a couple of days—it all depends on the customer’s requirements. Most of the time, the training requirements will be written into the project specifications, so the length and thoroughness of training will be agreed-upon prior to installation.

Training can be as simple as walking one operator through the basic motion controls of the crane, or it could be more in-depth focusing on troubleshooting maintenance issues for individual components and understanding and identifying diagnostics and fault codes.

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