User Instructions
MAN-02-04-60-0350-EN Rev. 3 February 2019
12
Section 4: Installation Instructions
Installation Instructions
Section 4: Assembly and Disassembly of
Linear Units on Valves
In the following two subsections, the procedures for assembly and disassembly of linear
units on valves are explained step by step.
4.1 Security and Assembly Instructions
CAUTION
The device should be mounted and commissioned by qualied personnel. These are
individuals who are familiar and trained on the product line on how to operate and
assemble / disassemble the device.
Before assembling or disassembling the linear unit, the pipes have to be pressurized.
Only in the retracted state of the linear unit is an end stop available - if the maximum stroke
is exceeded in the extended state, the spindle moves out of its guidance! Do not move
against the end stop in electrical operation! The end limits of the actuator must be
set accordingly.
Never bring the valve cone with excessive force in the CLOSED position. This can damage
the high-quality sealing edges.
NOTE:
Installation work on any kind of actuator may only be performed by qualied personnel.
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