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REPLACEMENT PROCEDURES (continued)
4.8.16
Set the oxygen flow to five liters per minute.
4.8.17
Close the oxygen cylinder valve.
4.8.18
As the pressure drops, the O
the pressure is between 40 and 34 psi as shown on the test gauge.
4.8.19
If the alarm activates when the pressure is below 34 psi, turn the
adjustment wheel counter-clockwise, repeat the test and adjust as
necessary to bring the set point into the correct range.
If the alarm activates when the pressure is above 40 psi, turn the
adjustment wheel clockwise,repeat the test and adjust as necessary
to bring the set point into the correct range.
4.8.20
Set the System Power switch to STANDBY.
4.8.21
Disconnect the test gauge and replace the plug in the regulator line
TEE fitting.
4.8.22
Replace the table top and its retaining screws.
4.8.23
Replace the rear cover and its retaining screws.
4.8.24
Connect the pipeline hoses.
4.8.25
Perform the PMS Procedure given in Section 6.
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SUPPLY alarm should activate when
2
4-28
NM3
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Troubleshooting
