1
Bushing Taper Lock
Mount the pulley
1. Clean and de-grease the bore and taper surfaces of the bush and the tapered
bore of the pulley. Insert the bush in the pulley. Hub and line up the holes (half
threade holes must line up with up with half straight holes).
2. Lightly oil the grub screws (bush size 1008 to 3030) or the cap srews (bush size
3535 to 5050) and srew them in, do not tighten yet.
3. Clean and de-grease the shaft. Fit pulley with taper bush on shaft and locate in
desired position.
4. When using a key it should first be fitted in the shaft keyway. There should be a
top clearance between the key and the keyway in the bore.
5. Using a hexagon socket wrench (DIN911) gradually tighten the grub/cap screws in
accordance with the torques as listed in the schedule of srew tightening torques.
6. When the drive has been operating under load for a short period (half to one
hour) check and ensure that the screws remain at the appropriate tightening
torque.
7.
In order to eliminate the ingress of dirt fill all empty holes with grease.
Dismantle the pulley
1. Slacken all screws. Depending on the size of the bush remove one or two. After
oiling point and thread of grub screws or under head and thread of cap screws,
insert them into the jacking off holie(s) in bush.
2. Tighten screw(s) unitormly and alter nately until the bush is loose in the hub and
pulley is free on the shaft.
3. Remove pulley bush assembly from the shaft. Remove the loose pulley manually
without using a hammer and without breaking any part of the machine.
