Jordan Valve Mark 17X Series Flameproof Smart Positioner - Manual (Page 4)

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4. Install the fork lever after setting the actuators
stem at 0%. Check the actuator stem rotation
direction, clockwise or counter clock
wise. Install the fork lever at 45 degrees in
relation to the linear shaft. For NAMUR mount
installation, this angle does not apply.
5. After setting the fork lever position, assemble
the lock nuts which are located on the bottom
of the fork lever. Ensure the set height of the
upper fork lever is between 6mm to 11mm from
the top of the mounting bracket.
Counter Clockwise and Clockwise rotation
6. Attach the positioner to the bracket. Fix the clamping pin on the main shafts center of the positioner, and
insert the connection pin into the fork lever slot. This will lock the fork lever spring. Ensure proper alignment
of the positioners main shaft centered to the actuator stem. Poor alignment may decrease the positioners
durability due to unnecessary forces on the main shaft.
Rotary Installation, Continued
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