L68B2 Mast Section The moment limiter must be adjusted
The mechanical type moment limiter must be adapted to the tower crane with the car luffing. The derricking Jib type tower crane with mechanical moment limiter must be adjusted according to the allowable load of the working radius in time after each derricking. During the safety inspection of the tower crane, if the reliability of the moment limiter is tested unconditionally, the records of the trial operation of the machine after installation can be checked to confirm that the test result of the moment limit of the machine at that time conforms to the requirements And torque limiter system to meet the requirements of the integrated accuracy requirements.
L68B2 Mast Section L68B2 mast section is the best in this field
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