14
Please note!
If balancing with half key (H), work on the vertical (visible) key
components on the shaft diameter or cover these with washers
with keyway along the relevant length.
If the coupling is longer than the key, it is necessary to fill the
keyway in the remaining part of the coupling.
In case of failure to comply with the foregoing, out-of-balances
liable of causing excessive vibrations may occur.
Please note!
Mount the pulleys or couplings only through the threaded bores in
the shaft end to avoid damaging the anti-friction bearings
(
Î Fig. 4).
Fig. 4: Fastening of the pulley or coupling
> Screw the threaded bolts in the threaded bore.
> Then mount the pulley or coupling on the shaft end: make sure to screw
a nut with a washer having at least the same diameter of the pulley hub
or coupling on the threaded bolt.
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