LG F V3 GP Series Service Manual page 63

How to disassemble Pressure sensor(for Vivace 460, 550 model)
1 Open the top plate by removing 2ea screws.
r.
2
Remove the EPDM hose and connector from the pressure sensor.
3
Turn the pressure sensor 90 degrees counterclockwise. And remove it
※If there is no separate hole, the hook shape of pressure sensor
should be broken and separated.(Replace with new one)
※When assembling, the embossed shape of the hook
should be aligned in the circular hole.(For horizontal fixing)
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