Dräger Narkomed 2B Service Manual page 50

REPLACEMENT PROCEDURES (continued)
4.5.20 Place the plexiglass cover over the gauges and flow tubes, and
reinstall the cover screws. Do not over-tighten these screws as the
plexiglass may crack.
4.5.21 Place the knob guard over the flow control valves and reinstall its two
retaining screws. (Reinstall the bar-type knob guard on earlier
machines.)
4.5.22 Reinstall the O
knob is installed properly, the O
is against its clockwise stop.
4.5.23 Replace the front cover plate at the top of the plexiglass cover and
secure it with the hardware that was previously removed.
4.5.24 If applicable, replace the flowmeter housing rear cover.
4.5.25 Replace the table top and its retaining screws.
4.5.26 Connect the pipeline hoses.
4.5.27 Perform the PMS Procedure given in Section 6.
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flow control knob and tighten its setscrews. If the
2
label will be straight when the knob
2
4-18
NM2B
Rev. A