<< Click to Display Table of Contents >> Gate Adjustment |
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CAUTION |
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Single person operation Human body parts must be kept out of the valve opening and away from moving parts. |
Description |
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Preconditions of Gate Adjustment: |
Bonnet must be disassembled. |
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1. Close valve and check if pendulum plate is in center of flange. Check can be done either visual or by measurement. |
When the valve is mounted to a tool, the bonnet has to be removed and the center position can be measured by a depth gauge (see 6.) |
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2. Run CPA. |
Available on CPA Version 4.2.1. |
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3. Set access mode to Local. |
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4. Open Gate Adjustment |
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5. Start Initialization by pressing «Start». The valve will do a homing and close, if necessary. |
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6. Measure value of distance [mm].
Measured distance between bonnet flange surface and pendulum plate. Maximum of adjustable value is ±1.5mm. |
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7. Type in measured distance if value ≥ ±0.5mm of expected distance.
If value is in expected distance range the gate is adjusted. |
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8. Press «Adjust», the valve will correct the center position of the gate. |
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9. Re-measure the distance. |
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10. Close Gate Adjustment by closing the window.
Make sure that the access mode is set to «Local», closing the Gate Adjustment tool will also ensure that the maintenance speed mode changes back to normal speed. |