If the clearance between the wheel flange and rail is greater than 2 mm on each side, distance rings must be removed from the travelling gear bolt in order to adapt the width.

    Secure the crane girder adequately e.g. using a corresponding lashing strap. The crane girder must be prevented from slipping and falling.

    Release self-locking nuts.

    Remove washer and individual distance rings from the travelling gear bolt.

    Take the side panels off the travelling gear bolt.

    Remove 2.5 mm and 5 mm distance rings from the travelling gear bolt identically on the left and right until the tolerance is once again in the permissible range.

There must always be the same number of distance rings of the same thickness on the left and right. This will ensure that the chain hoist rests centrally under the trolley and distributes its weight evenly on all wheels.

    Reattach side panels, individual distance rings and washers.

    Screw on the side panels with new self-locking nuts.