Dräger Narkomed 2B - Page 156

ADJUSTMENT AND CALIBRATION PROCEDURES (continued) NM2B
5.4.31 The nitrous oxide flow should stop when the flow of oxygen is
between 200 and 300 ml per minute.
* 5.4.32 If the O
2
/N
2
O FLOW RATIO lamp turns off when the nitrous oxide
flow drops to between 100 and 200 ml per minute, proceed to Step
5.4.34.
* 5.4.33 If the O
2
/N
2
O FLOW RATIO lamp does not turn off when the nitrous
oxide flow drops to between 100 and 200 ml per minute, adjust the
MPL switch until the O
2
/N
2
O FLOW RATIO lamp turns off.
5.4.34 Close the N
2
O flow control valve and set the System Power switch to
STANDBY.
5.4.35 Replace the rear cover of the vapor box.
5.4.36 Perform the PMS Procedure given in Section 6.
Rev. A
5-14
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