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8.7-2
Replacement
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CAUTION
z Replace venous or arterial pressure sensor board after turning off power SW of machine under
care not to be charged with static electricity.
z Connect tube to left side of sensor and expose right side of it to atmosphere. If connected to the
right side, measured pressure is incorrect.
z After connecting tube to sensor, attach snapper. If not attached, tube may be disconnected by
pressure application, resulting in blood inflow .
z Connect tubes for venous and arterial pressure monitoring to respective boards correctly.
(1) Turn off power SW of machine.
(2) Remove right cover from upper part of machine and right cover from DENSO box.
(3) Disconnect all connectors.
(4) Remove snapper to take out tube.
(5) Remove venous or arterial pressure sensor board under pressing spacer lock used to fix it.
(6) Prepare new venous or arterial pressure sensor board.
(7) Attach the new board and check correct locking.
(8) Attach tube and snapper.
(9) Connect all the disconnected connectors.
(10) Turn on power SW of machine.
(11) Adjust venous or arterial pressure sensor as per the procedure specified in 10.2. “Adjustment
of venous and arterial pressure sensors”.
(12) Check correct indication of venous or arterial pressure.
(13) Return the removed covers to the original positions.