Procedure
1. Use a2.5mm Allen key to loosen the retaining screw for rotation of the enclosure.
On a device with a stainless steel enclosure, loosen the front and rear retaining screw.
2. Turn the measuring cell counterclockwise to remove it from the enclosure.
– Turn the measuring cell manually.
For relative pressure devices, for example, use a suitable open-ended wrench.
– Ensure that the ribbon cables do not kink, pinch, strain or twist.
– Take care not to damage the sensor electronics.
3. If present, remove the ribbon cable insulation ①.
Replacing spare parts
5.2Replacing the measuring cell
SITRANS P320/P420
Service Manual, 11/2023, A5E44914141-AC 29
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