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Assembly
5.5 Installing the machine
● Correct balancing of parts to be fitted to the shaft end.
● Maintaining the vibration velocity according to ISO 10816‑3
5.5.2
Aligning the machine to the driven machine and mounting
5.5.2.1
Selecting bolts
● Unless specified otherwise, use fixing screws with at least strength class 8.8 to ISO 898-1
● When selecting the bolts and the design of the foundation, take into account the maximum
5.5.2.2
Horizontal types of construction with mounting feet
1. Refer to any instructions for aligning the driven machine and those of the coupling
2. Align the machines with coupling output to the driven machine in such a manner that the
3. For the vertical positioning (x→0) place thin shims under the machine feet. The number of
4. When positioning the machine, ensure that a uniform axial gap (y→0) is maintained around
5. Fix the machine to the foundation. The choice of fixing elements depends on the foundation
48
to ensure that the machine is securely mounted and to transmit the torque-generated
forces.
forces occurring in the case of a fault such as short circuit or system transfers in phase
opposition, etc.
Request the force values for the foundation from the Service Center if required.
manufacturer.
center lines of the shafts are parallel with no offset. This ensures that no additional forces
affect their bearings during operation.
shims should be kept as low as possible, i.e. stack as few as possible. This also prevents
the machine being subjected to any stress/distortion. If available, use the existing tapped
holes for the forcing-off bolts to somewhat raise the machine.
the coupling.
and is the plant operator's responsibility.
Note
Machine expansion
When aligning, make allowance for the thermal expansion of the machine when the
temperature increases.
LOHER CHEMSTAR 1PS2
Operating Instructions 08/2016
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