The taper bushes allows to align or to lock pulleys, sprockets or toothed couplings to a transmission shaft, quickly and without the use of equipment.
The taper bushes is equipped of bore and keyway.
The taper bushes allows an elastic recovery of tolerances and can be re-used after a replacement.
Assembly
Make sure that the tapered surfaces are clean, free of oils or powders. Place the bushes in the wheel so as to align the holes.
Place the screws into the threaded holes, loosely.
Clean the transmission shaft and then mount the wheel and the bushes,
pointing out that the bushes holds the transmission shaft first and then the wheel
Disassembly
Loosen all the screws and remove one or two screws depending on the holes of the disassembly.
Insert the screws into the holes for dismantling. Tighten the screws alternately until the relaxation of the bushes. Continue until the group is not free on the transmission shaft. Remove the bushes and the wheel from the transmission shaft.