Oxygen Flowmeter; Nitrous Oxide Flowmeter - Dräger Narkomed 2B Service Manual

NM2B
6.15 FLOWMETERS
( ) 6.15.1

Oxygen Flowmeter

6.15.1.1
6.15.1.2
6.15.1.3
6.15.1.4
6.15.1.5
6.15.1.6
* 6.15.1.7
( ) 6.15.1.8
( ) 6.15.2

Nitrous Oxide Flowmeter

6.15.2.1
6.15.2.2
6.15.2.3
6.15.2.4
6.15.2.5
6.15.2.6
6.15.2.7
* These items do not apply to 2-gas machines or later design (P/N 4113329-001)
ORC.
Rev. Y
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Open the O cylinder valve.
2
Is it possible to adjust the flow of oxygen over the full range of the
flowmeters? ___ (Y)
Close the O cylinder valve and bleed the pressure.
2
Connect the O pipeline supply, and verify the operation of the
2
oxygen flowmeter.
Is the correct flow control knob and label attached to the oxygen
flow control valve? ___ (Y)
Close the oxygen flow control valve.
Set the Gas Selector switch to the O
What is the minimum flow of oxygen? ___ ml (100-200 ml/min);
(0 ml for 4107615A (Minimum O
Set the oxygen flow to 4 l/min.
Open the nitrous oxide cylinder valve.
Is it possible to adjust the flow of nitrous oxide over the full range
of the flowmeter? ___ (Y)
Close the nitrous oxide cylinder valve and bleed the pressure.
Connect the N O pipeline supply, and verify the proper operation
2
of the N O flowmeter.
2
Is the correct flow control knob and label attached to the N
control valve? ___ (Y)
Close the oxygen and nitrous oxide flow control valves.
6-35
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PMC PROCEDURE (continued)
+ N O position.
2 2
Flow Elimination))
2
O flow
2