GE Baker Hughes Masoneilan SVI FF Installation And Operation Manual page 76

Digital positioner
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Use ValVue to Check Magnet Position
Use this procedure to check the magnet using ValVue:
1. Connect to the positioner in accordance with the ValVue instructions.
a. Run ValVue.
b. Select the installed positioner from the list of Connected Devices.
c.
Select the: Check tab to view the current operating conditions of the selected
positioner.
2. The Raw Position Value should be between – 1000 and +1000 when:
A reciprocating or less than 60° rotation rotary valve is closed.
A greater than 60° rotation rotary valve is at 45° of rotation (mid stroke for a 90°
rotation rotary valve).
Check the Air Supply
1. Turn on the air supply.
2. Adjust the filter regulator.
3. Supply pressure must be a minimum of 5 (.35 bar, 34.5 kPa) to 10 psi (.69 bar, 68.97 kPa)
greater than the spring range of the actuator but may not exceed the rated actuator
pressure. Refer to the valve or actuator instruction manual.
4. Inspect the tubing connections between the filter-regulator and the positioner for leaks.
5. Verify that the tubing is not bent or crushed.
6. Verify that all fittings are leak tight.
CAUTION
76 |
BHGE
Do not use Teflon pipe seal tape as it can shred into particles
harmful to the pneumatic components.
© 2019 Baker Hughes, a GE company, LLC. All rights reserved.

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