Complete Guide to the Fisher 3560 Valve Positioner: Manual, Operation, and Maintenance
The manual includes a cam selection chart:
Verify that the feedback cam is installed correctly for the desired action (Linear, Equal Percentage, or Quick Opening). Zero and Span Adjustment
Turn the zero adjustment screw until the valve stem moves to its fully closed or starting position.
Increase the input signal to its maximum value (e.g., 15 psig). Observe the full stroke of the valve stem.
The Fisher 3582 and 3582i valve positioners are known for their accuracy, reliability, and robust design. By following the official instruction manual, users can ensure optimal valve control, reduce maintenance costs, and extend the life of their control valve assemblies through proper installation and regular calibration.
Typically 3 to 15 psig, 6 to 30 psig, or split-range variations.
Apply the lowest input signal (e.g., 3 psig).
Once you download a file, check the title page. An authentic will display:
For more information on the Fisher 3560 valve positioner and other industrial control products, please refer to the following resources:
: Designed to withstand harsh vibrations and extreme temperatures common in oil, gas, and chemical facilities.
Supply pressure too high; loose feedback linkage; oversized positioner relay.
The is a legacy pneumatic instrument known for its high-precision control in throttling applications. While largely superseded by newer "smart" digital positioners, it remains a reliable workhorse in many industrial plants today. Fisher 3560 Series Review 1. Reliability & Build Quality
Before any installation work, verify that the action of the positioner (direct or reverse) matches the fail-safe configuration of your control valve assembly.
The 3560 series (including types like 3560G) is designed for single-acting actuators.
