Freshgas Leak - Dräger Narkomed 2B Service Manual

NM2B
6.8.4

Freshgas Leak

6.8.4.1
6.8.4.2
6.8.4.3
6.8.4.4
6.8.4.5
( ) 6.8.4.6
6.8.4.7
6.8.4.8
( ) 6.8.4.9
6.8.4.10
6.8.4.11
6.8.4.12
6.8.4.13
6.8.4.14
( ) 6.8.4.15
( ) 6.8.4.16
6.8.4.17
6.8.4.18
Rev. Y
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Turn the System Power switch to STANDBY.
Remove the 15 mm connector from the FRESHGAS OUTLET.
Is the common gas outlet assembly in good condition? ___ (Y)
Connect a digital pressure manometer and Fresh Gas Leak Test
Device to the freshgas outlet.
Apply 50 cm H O of pressure to the system.
2
After thirty (30) seconds, what is the pressure on the manometer?
___ (>40 cm H O)
2
Turn on the left mounted vaporizer to the first graduated marking.
Apply 50 cm H O of pressure to the system.
2
After thirty (30) seconds, what is the pressure on the manometer?
___ (>40 cm H O)
2
Turn off the vaporizer.
Remove the test equipment from the Fresh Gas Outlet.
Turn the System Power switch to ON.
Open the O flow control valve to 5 l/min., purge the system for 5
2
seconds, then close the O
Turn the System Power switch to STANDBY.
Turn on the center mounted vaporizer to the first graduated
marking, repeat Steps 6.8.4.4 and 6.8.4.8 thru 6.8.4.14. ___ (>40
cm H O)
2
Turn on the right mounted vaporizer to the first graduated
marking, repeat Steps 6.8.4.4 and 6.8.4.8 thru 6.8.4.14. ___ (>40
cm H O)
2
Reconnect the 15 mm connector from the absorber system to the
FRESHGAS OUTLET.
Is the FRESHGAS OUTLET label on the freshgas outlet? ___ (Y)
6-17
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PMC PROCEDURE (continued)
flow control valve.
2