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Insufficient screw locking
Vibration and shock loads can loosen the screws. The machine or components may fall down.
This can result in death, serious injury or material damage.
● Lock the screwed connections with a screw-locking compound, e.g. Loctite 243.
5.3.7
Mounting the output elements
Type of balancing
The rotor is dynamically balanced. For shaft extensions with featherkeys, the balancing type
is specified using the following coding on the face of the drive end of the shaft:
● "H" means balancing with a half feather key
● "F" means balancing with a whole feather key.
Pushing on the power output elements
Prerequisites
● The coupling and/or the output element must be appropriately dimensioned for the
● Comply with the coupling manufacturer's instructions.
● Make sure that the balancing type of the transmission element correctly matches the type
● Use only ready drilled and balanced transmission elements. Check the hole diameters and
SIMOTICS HT Series HT-direct 1FW4...1......A
Operating Instructions 11/2018
WARNING
Figure 5-1
Balancing type on the drive-end side
operating case at hand.
of balance of the rotor.
the balancing status before pulling them on. Thoroughly clean the shaft extension.
5.3 Lift the machine to where it will be installed, and position it
Assembly
53
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