Mindray WATO EX-65Pro - Leak Test for the EFCS Flowmeter Assembly

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3. Remove the PU tube 48 connecting to the backup oxygen flowmeter assembly. Connect
the negative pressure ball and then squeeze the negative pressure ball to exhaust the
internal gas.
4. Release the negative pressure ball. If the negative pressure ball is completed expanded
within 30s, the backup oxygen flowmeter assembly is damaged.
8.4.3.4 Leak Test for the EFCS Flowmeter Assembly
Tools:
 Negative pressure ball (quantity: 1)
 3106-06-00 adapter connector (quantity: 1)
 3126-08-00 tube plug (quantity: 1)
PU tube (6 x 100) (quantity: 1)
Test procedures:
1. Turn off the pipeline gas supplies and switch on the O2 flush switch to release the
remaining pressure.
2. Remove the PU tube 25 connecting to the EFCS flowmeter assembly and seal this end
with the tube plug.
3. Remove the PU tube 48 connecting to the EFCS flowmeter assembly. Connect the
negative pressure ball and then squeeze the negative pressure ball to exhaust the internal
gas.