Patent ID: 8746414

Claim:
A method for replacing the ropes of an elevator, where the ropes that are to be replaced are hoisting ropes, said elevator comprising at least an elevator car moving along guide rails in an elevator shaft in a substantially vertical direction and provided with a hoisting machine a traction sheave, a plurality of diverting pulleys and an existing set of hoisting ropes, the method comprising: joining a new set of hoisting ropes and the existing set of hoisting ropes by splicing both sets of hoisting ropes together by their one ends, where joining includes: untwisting the one ends of each new and existing hoisting rope through a suitable length of rope; removing strands from the untwisted ends so that every second strand seen in a circumferential direction is truncated; cutting a core strand of one of the hoisting ropes and; splicing the untwisted hoisting rope ends together around a core strand of the other hoisting rope; and pulling the new set of hoisting ropes over diverting pulleys using the existing set of hoisting ropes by pulling the existing set of hoisting ropes out from the diverting pulleys so that the new set of hoisting ropes runs over the diverting pulleys and the traction sheave.