PMS PROCEDURE (continued) NM2C
6.13 HIGH PRESSURE LEAK
( ) 6.13.1 Oxygen High Pressure Leak
6.13.1.1 Verify the System Power switch is at STANDBY.
6.13.1.2 Open one (1) oxygen cylinder valve.
6.13.1.3 Let the pressure stabilize.
6.13.1.4 Close the oxygen cylinder valve and remove the cylinder.
6.13.1.5 Observe the oxygen cylinder pressure gauge.
6.13.1.6 After two (2) minutes, what is the pressure loss? ___ PSI (<50)
6.13.1.7 Attach the cylinder.
( ) 6.13.2 Nitrous Oxide High Pressure Leak
6.13.2.1 Turn the System Power switch to ON.
6.13.2.2 Open one (1) oxygen cylinder valve and one (1) nitrous oxide
cylinder valve.
6.13.2.3 Adjust the oxygen flow to 4 l/min.
6.13.2.4 Let the pressure stabilize.
6.13.2.5 Close the nitrous oxide cylinder valve and remove the cylinder.
6.13.2.6 Observe the nitrous oxide cylinder pressure gauge.
6.13.2.7 After two (2) minutes, what is the pressure loss? ___ PSI (<50)
6.13.2.8 Attach the cylinder.
6.13.2.9 Close the oxygen flow control valve.
Rev. K
6-28
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