Clean and degrease the bore and taper surfaces of the bush and the tapered bore of the pulley, insert the bush into the pulley hub and line up holes(half thread holes must line up with half straight holes).
Lightly oil the grub (bush size 1008 to 3030) or the cap screws(buh size 3535 to 5050) and screw them in do not tighten yet.
Clean and degrease the shaft. Fit pulley with taper bush on shaft and locate in desired position.
When using a key it should first be fitted in the shaft keyway. There should be a top clearance between the keyway in the bore.
Using a hexagon socket wrench(DIN911) gradually and tighten the grub cap screws iin a accordance with the torques as listed in the schedule of screw tightening for torques.
When the drive has been operating under load for period(half to one hour) check and ensure that the screws remain at the appropriate tightening torque.
In order to eliminate the ingress of dirt fill all empty holes with vaseline.
Loose and remove all the screws and placet hem in holes in bushing.
Tighten the screws alternatively till the hub's grip on bushing is loosen. The inner bore of bushing can be slid on the shaft.
Remove the bushing from the shaft.
ScrewTightning Torque (Nm)
Types of Cages Lubrications Shields & Seals Vibration and Noise Accuracy Clearance Bearing Materials Dimensions of V-Grooved Pulley Nomenclature of V-Belt Pulley Dimension of Taper-Lock Bushing Installation Instruction for Pulleys Bore Sizes for Taper Bushings Dimensions of Keyway Rating Load Capacity of Bushings