SMAR HART FY500, Installation Operation & Maintenance

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Section 1 - Installation
1.11
- For actuator with pillar yoke for U-bolt application , using two U-bolt, four lock washers,
and four flat washers, as shown in figure 1.15.
Figure 1.15
– Attachment to pillar yoke for U-bolt
10. Slide the adjustment feedback pin in the slot of the slotted bracket until the pin is in line with the
desired actuator travel marking on the feedback arm. The compensating spring must be
positioned such that the feedback pin sits in the central side of the compensating spring´s slide
area. Tighten the hex nuts. As shown in
figure 1.16 .
Figure 1.16
– Positioning feedback pin in feedback arm
11. With the actuator at its mid- travel position, adjust the mounting bracket location vertically so
that the feedback arm is perpendicular to the stem, as shown in figure 1.17.
12. Stroke the actuator from the top stop to the bottom stop. Travel indicator must travel within the
admissible range. See figure 1.17.