8. According to the position of the suspended object, operate the
boom swing handle to rotate the boom to the required direction.
9. Slowly operate the boom telescopic handle to expand and
contract the boom. While the boom is telescoping, the hook will rise or
fall with the boom. If it is too high or too low, the hook needs to be
lifted to prevent the hook from touching the ground or touching the
heavy hammer.
10. Securely fix the hoisted object on the hook, slowly push the
hook lifting handle forward, the handles K1～K4 cooperate with each
other until the lifting of the heavy object is completed.
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