Dräger Fabius, Instructions For Use Manual, Page: 220 / 232

220
Instructions for Use Fabius MRI SW 3.n
ˆ
Restore the O
2
supply: N
2
O flow is present.
ˆ
Set O
2
metering valve to 1.5 L/min.
N
2
O flow = 3 L/min to 5 L/min
ˆ
Close the O
2
metering valve:
No N
2
O flow.
Checking the Flow Control/Metering System
ˆ
Open the AIR flow control valve. AIR flow of
at least 10 L/min present.
ˆ
Close all metering valves.
Sensor Calibration
ˆ
Remove O
2
sensor housing from inspira-
tory valve dome
ˆ
Calibrate O
2
sensor
ˆ
Calibrate flow sensor
ˆ
Replace O
2
sensor
Checking the Gas Type
ˆ
Set the O
2
metering valve to approx.
3 L/min.
ˆ
Verify an O
2
concentration indication of
approx. 100 vol.%.
ˆ
Close O
2
metering valve.
Vapor 2000
P
ˆ
Fastening; Latched down firmly and set
vertically
P
ˆ
Handwheel; In zero position and engaged
P
ˆ
Filling level between min. and max.
P
ˆ
Interlock; Locking function OK (when
present)
P
ˆ
Key-indexed filling system; Sealing key or
pin inserted and closed tight. (when
present)
Filler opening locked shut.
P
ˆ
Quik Fil or Funnel filling system; Locking
screw tight (when present)
Checking the Condition of CO
2
Absorbent
P
ˆ
Color change is no more than half the can-
ister of CO
2
absorbent.
Testing the P
AW
sensor
Switch to standby mode and press the function key
for the leak test.
ˆ
Close all fresh gas valves.
ˆ
Fit the Y-piece to the fixture on the bag
holder.
ˆ
Seal the sample line connection, if neces-
sary.
ˆ
Remove the hose of the connection socket for
the breathing pressure sensor on the rear.
ˆ
Check the pressure display on the leak test
start screen: “0” to ±2 is OK. If the deviation
is greater, contact DrägerService.
ˆ
Reconnect the hose of the connection
socket for the breathing pressure sensor on
the rear.
Leak Testing the Fresh Gas Circuit
Test once without the vaporizer and once with
each Dräger Vapor with the handwheel set to zero.
ˆ
Go to Standby and press the Leak Test soft
key.
Follow the instructions on the screen.