R 408.11873 Operational tests.

Rule 1873.(1) Before a new or modified crane is put into operation or if a crane has not been used in the past 12 months, the equipment shall be tested by a designated person to ensure compliance with this standard, including all of the following functions: (a) Hoisting and lowering. (b) Trolley travel. (c) Bridge travel. (d) Travel limiting devices. (e) Locking, limiting, and indicating devices, if provided. (2) The trip setting of a hoist limit switch shall be determined 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 time to prevent contact of the hook or hook block with any part of the trolley. (3) When a crane is given a load test, the test load shall be not more than 125% of the rated load. The test reports shall be maintained on a file within the premises where the crane is located.