Foot Mounting; Balancing - Siemens SIMOTICS A 1FU8 Operating Instructions Manual

5.4.4

Foot mounting

Note
Only authorized retrofit partners must be employed to relocate the bolted on mounting feet at
the machine enclosure.
After attaching the mounting feet, you must note the following in order to avoid stressing and
deforming the machine.
● Ensure that the foot mounting surfaces are aligned in one plane and are parallel to the
machine shaft.
● Post-machine the foot mounting surfaces or use thin shims, for example.
● Professionally touch up damaged painted surfaces.
● Observe the information provided in Chapter Aligning and mounting
5.4.5

Balancing

The rotor is dynamically balanced. The balancing quality corresponds to vibration severity
grade "A" for the complete machine as standard. The optional vibration severity grade "B" is
indicated on the rating plate.
The declaration regarding the type of featherkey for balancing is generally marked on the
rating plate and optionally on the face of the shaft end.
Designation:
● As a standard measure, balancing is carried out dynamically with a half featherkey (code
"H") in accordance with ISO 8821.
● "F" means balancing with a whole featherkey (optional version).
● "N" means balancing without a featherkey (optional version).
Incorrect installation or removal
To avoid injury and material damage, carefully observe general touch protection measures
for output transmission elements:
• The general touch protection measures for drive output elements must be observed.
• Drive output elements may only be pushed on or pulled off with the correct equipment.
• The feather keys are only locked against falling out during shipping. If you commission a
1FU8
Operating Instructions, 02/2016, 5 610 70000 02 000
CAUTION
machine without a drive output element, the feather keys must be secured to prevent
them from being thrown out.
Assembly
5.4 Installation
45