3.
Turn handwheel by approximately half a turn (overrun) in the opposite direction.
4.
Press down and turn setting spindle [1] with screw driver in direction of the
arrow and observe the pointer [2]: While a ratchet click is felt and heard, the
pointer [2] moves 90° every time.
5.
As soon as the pointer [2] is 90° from mark [3]: Continue turning slowly.
6.
As soon as the pointer [2] moves to mark [3]: Stop turning and release setting
spindle.
➥
The end position CLOSED setting is complete.
7.
If you override the tripping point inadvertently (ratchet click is heard after the
pointer has snapped): Continue turning the setting spindle in the same direction
and repeat setting process.
9.3.2.
End position OPEN (white section): set
1.
Engage manual operation.
2.
Turn handwheel counterclockwise until valve is open.
3.
Turn handwheel by approximately half a turn (overrun) in the opposite direction.
4.
Press down and turn setting spindle [4] with screw driver in direction of the
arrow and observe the pointer [5]: While a ratchet click is felt and heard, the
pointer [5] moves 90° every time.
5.
As soon as the pointer [5] is 90° from mark [6]: Continue turning slowly.
6.
As soon as the pointer [5] moves to mark [6]: Stop turning and release setting
spindle.
➥
The end position OPEN setting is complete.
7.
If you override the tripping point inadvertently (ratchet click is heard after the
pointer has snapped): Continue turning the setting spindle in the same direction
and repeat setting process.
9.4.
Test run
Perform test run only once all settings previously described have been performed.
9.4.1.
Direction of rotation: check
Valve damage due to incorrect direction of rotation!
→
If the direction of rotation is wrong, switch off immediately.
→
Correct phase sequence.
→
Repeat test run.
1.
Move actuator manually to intermediate position or to sufficient distance from
end position.
2.
Switch on actuator in direction CLOSE and observe the direction of rotation:
With mechanical position indication: Step 3
Without mechanical position indication: Step 4 (hollow shaft)
→
Switch off before reaching the end position.
30
SAI 07.2 – SAI 16.2 / SARI 07.2 – SARI 16.2
Commissioning (basic settings)
for use in nuclear power plants