Seg SP740 Series - Pre-Installation Cautions and Tools; Linear Positioner Installation

Smart Positioner
SP740 Series
3. Installation
3.1 Caution before Installation
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Maintain proper air pressure and prevent to insert alien substrance and install filter regulator
in Positioner inside air supply line .
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Supplying air should not be mixed with oil, moisture and impurities.
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When installing the positioner, make sure to block input signal and air pressure so that it
can be properly operated.
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Unless it is properly installed, SP740 control condition may be degraded.
3.2 Tools for installation
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Hex wrench set
☞ (+) & (－) Screw drivers
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Monkey or Spanner
3.3 Linear positioner Installation
3.3.1 Caution on Installation
＊When fabricating bracket and connecting lever to actuator , the followings 2 kind of contents
Warning
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＊When fabricating bracket and connecting lever to actuator , the followings 2 kind of contents
must be regulated.
＊If following condition shall not be regulated during the installation ,
it may be affected the performance of the products linearity function.
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When valve opening is 50%, feedback lever should be horizontal.
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When valve opening is 50% , the connecting bar should be connected into lever angle value
position which is correspondeing to the valve stroke.
Caution
Fig3-1 : Lever installed with vertically when vale stroke is 50%
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