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Manual for High Voltage Process Performance Motors
3.6.2 Rough levelling
3.6.3 Rough adjustment
24 - Installation and Alignment
must be performed with great caution because alignment errors will lead to bearing and shaft
damages.
Before the alignment procedure is started, the coupling halves have to be installed, see Chapter
3.3.4 Assembly of the coupling half. The coupling halves of the driving and driven machines
must be bolted together loosely in order to move freely in respect to each other during the
alignment.
The following text refers to installation on both concrete and steel foundations. Shimming is not
necessary in case of a concrete foundation if the alignment and grouting is done correctly.
In order to facilitate the alignment and enable the mounting of shims, jacking screws are fitted
to the feet of the machine, see Figure 3-3 Vertical positioning of machine foot. The machine is
left standing on the jacking screws. Note that the machine must stand on all four feet (screws)
on a plain parallel within 0.1 mm (4.0 mil) or better. If this is not the case, the frame of the
machine will be twisted or bent, which can lead to bearing or other damages.
Check that the machine is vertically, horizontally and axially in level. Make adjustments
accordingly by placing shims under the four feet. The horizontal level of the machine is checked
with a spirit level.
Machine foot
Shim
Foundation
Figure 3-3 Vertical positioning of machine foot
In order to facilitate the alignment in axial and transversal directions, place bracket plates with
adjusting screws at the corners, see Figure 3-4 Positioning of bracket plates.
Fixing
bolt
3BFP 000 063 R0101 REV D
Jacking
screw
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