Fisher 3560 Valve Positioner — Manual Pdf

Increase the input signal to the maximum (e.g., 15 psig). Adjust the flapper assembly or span adjustment screw until the valve reaches the full intended travel.

Understanding the performance limits of the 3560 series is critical for safe operation:

Set the input signal to its minimum (e.g., 3 psig) and adjust the nozzle until the output gauge shows the valve is at its starting position. Fisher 3560 Valve Positioner Manual Pdf

The unit requires clean, dry, non-corrosive air or natural gas.

Used when the actuator has tapped holes in the posts. Increase the input signal to the maximum (e

Involves attaching the positioner using studs and hex nuts to the back of the housing.

Verify the 25%, 50%, and 75% travel points against the corresponding input signals (e.g., 6, 9, and 12 psig for a 3–15 psig range). Maintenance and Troubleshooting Common maintenance tasks involve: The unit requires clean, dry, non-corrosive air or

The provides two primary mounting methods: