Installation and Operating manual
Econ
®
Series 3300 Smart Valve Positioner www.eriks.com
Rev. 3 – January 22, 2019
16
Actuator stem
Height (H)
Markings of bolt holes
A-L & A-R B-L & B-R
20 mm H : 20 H : 20, 30
30 mm H : 30 H : 20, 30
50 mm H : 50 H : 50
Using hexagonal bolts and washer, fasten figure 3303/3304 with the supplied bracket. Do not tighten
bolts completely before correct mounting of figure 3303/3304 has been confirmed. Insert figure
3303/3304 main shaft into actuator’s stem, and place the bracket align to the actuator’s bolt holes.
After the alignment, please fasten all of the bolts.
4 Connections
4.1 Safety
Ø Supply pressure should be clean and dry air – avoiding moisture, oil or dust.
Ø It is always recommended to use an air filter regulator.
Ø The operation of this positioner has only been tested with clean air. For gases other than
clean air please contact Econosto for suitability.
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