NORTH AMERICAN DRÄGER MINO2 FLOWELIMINATION User manual
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KIT,MINO2FLOWELIMINATION
CONVERSIONPROCEDURE:2GASMACHINES
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WARNING: DONOTinstalltheMinimumO
FlowEliminationonmachineshavingalowflow
2
oxygenratiocontroller(ORC)P/N4113229.
NOTE: Thefollowingprocedureappliesto2gasmachines.SkiptoPage5for3and4gas
machines.
1. TurntheSystemPowerswitchto
STANDBYandremoveACpower
fromthemachine.
8. Cutanytiestrapssecuringthe
flexibletubing,andremovethe
tubingalongwiththeassociatedtee
fitting.
2. Close all cylinder valves and
disconnectallpipelinesupplies.
9. Removethehosebarbfittingfrom
therightsideofthe4-wayfitting,
3. Removethebackcoverofthe
flowmeterhousing.
andinstallawasher(P/N4102165)
andplug(P/N4103801)asshownin
thelowerviewofFigure1.
4. Removethebackcoverofthevapor
box to gain access to the
ORM/ORMC.
10. Connecta35in.lengthofflexible
tubing(P/NML08003)andpress-on
hoseclamptothehosebarbatthe
5. Removethepress-onhoseclamp
O
restrictorhousing.
2
anddisconnecttheflexibletubing
fromtherightside(viewedfrom
therear)oftherestrictorhousing4wayfitting.SeeFigure1,upper
view. (Earlier machines are
configuredwitha3-wayfitting.)
11. Connecttheotherendofthetubing
tothehosebarbattheO
porton
2
theORMorORMC.Installagreen
O
label(PN4109871)ateachend
2
ofthetubing.
6. Removethepress-onhoseclamp
anddisconnecttheflexibletubing
fromthehosebarbattheO
restrictorhousing.
7. Removethepress-onhoseclamp
anddisconnecttheflexibletubing
fromtheO
portattheORMor
2
ORMC.SeeFigure2.
12. Restorepowertothemachineand
re-connectthepipelinesupplies(or
2
openthecylindervalves).
NOTE: Forlatermachineswithout
the O
O ratio alarm
2/N2
lamp,skiptoStep15.
1
REAR VIEW OF FLOWMETER HOUSING
TEE FITTING
(REMOVE)
TUBING
FROM O2
RESTRICTOR
(REMOVE)
TUBING
FROM
ORMC TO O2
RESTRICTOR
(INSTALL)
PLUG (INSTALL)
WASHER (INSTALL)
O2
RESTRICTOR
CONNECTION
TUBING
(REMOVE)
HOSE BARB
FITTING
(REMOVE)
EARLIER MACHINES
CONFIGURED WITH
3-WAY FITTING
SP89001
TUBING
FROM
ORMC
(REMOVE)
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CONVERSION PROCEDURE: 2 GAS MACHINES (continued)
Figure 1: TUBING REMOVAL/INSTALLATION (MIN. O2FLOW ELIMINATION)
2
SP89002
VAPOR BOX TOP VIEW
OXYGEN RATIO
MONITOR CONTROLLER
O2
CONNECTION
MPL SWITCH
ADJUSTMENT
(TURN CLOCKWISE TO
DECREASE SETPOINT)
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CONVERSION PROCEDURE: 2 GAS MACHINES (continued)
Figure 2: ORMC O2CONNECTION AND MPL SWITCH LOCATION
3
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