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9
Mounting-Dismounting the traction sheave
9.1
Mounting the traction sheave
- Clean carefully with solvent the internal conic housing and the feather key housing in the traction
sheave and the conic end of the shaft and its feather key.
- Install the traction sheave onto the shaft end centering the feather key with its housing.
- Mount the steel washer with the smaller diameter towards the external side and fix with the three
hexagon screws M12x40 (torque 85Nm) with their grower elastic rings. Proceed tightening in turn
almost twice.
9.2
Dismounting the traction sheave
- Loosen and remove the three fixing screws (remove the plastic protection before if present)
- Remove the steel washer and turn 180° now with the smaller diameter towards the internal side
- IMPORTANT: secure the traction sheave before dismounting it so it cannot drop away!!
- Install the three screws in the outer diameter holes and tighten them in turn till the traction shave is
free.
Screws
M12x40
position
FIXING
Screws
M12x40
position
RELEASE
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