2205Q2JE-HO-S6-N_2020.01.
Chapter 3 Installation
SCV-series Screw Compressor 3.2 Installation Works
3-5
3.2.5 Installation
3.2.5.1 Placement
Check that the surface of the package unit, where the compressor is to be installed, is even and
horizontal. If it is uneven and non-horizontal, tightening the bolts may lead to compressor deformation,
which may prevent normal operation.
3.2.5.2 Shaft Alignment between the Compressor and Driving Machine
Turn off the main power and control power of the driving machine before
work between the compressor and the driving machine. Be careful so that the power of
instruments does not turn on during shaft alignment work. If the power turns on during
shaft alignment work, the driving machine starts moving and there is a risk of being
entangled with the rotating shaft.
At the time of turning ON/OFF each electric power breaker,
electric shock.
For shaft alignment work between the compressor and driving machine, use designated
tools in normal condition. If a worn or damaged tool or a tool unsuitable for the work is
used, there is a risk of being injured.
In the case shaft alignment between this product and the driving machine, be sure that the deviations
within the range shown in the Table 3–2. However, if alignment tolerance of the driving machine side is
more stringent than Table 3-2, please adjust to the request within the allowable value of the driving
machine side.
Table 3–2 Tolerance of Misalignment
3/100 mm (reference: Φ100 mm)
The Figure 3–3 and 3–4 show how to measure offset and angularity when performing the centering of
the shafts of the driving machine and this product using a dedicated hub, a dial gauge and a magnet
stand.
Figure 3-3 Measurement of Offset Figure 3-4 Measurement of Angularity
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