Draetger BG4 Iso Training 3/12
PSS BG4 – Low Pressure Leak Isolation
CO2 SCRUBBER
COOLER
PRESSURE
REDUCER
with BYPASS
BREATHING BAG
OXYGEN
MINIMUM
VALVE
DRAIN
VALVE
RELIEF
VALVE
MP
RELIEF
VALVE
CONNECTOR PIECE
SENTINEL
M
E
D
P
R
E
S
S
U
R
E
SWITCH BOX
WITH FILTER
PRESSURE
TRANSDUCER
C
O
N
S
T
A
N
T
D
O
S
A
G
E
Leave test set up as in Fig 2
Reconnect Medium Pressure and
Dosage lines.
Disconnect Relief Valve Hose
from CO2 Scrubber
and plug. ( X )
Refer to Fig 3
TEST
P
ASS – Ch
eck/Clean
Relief Valve Assembly
FAIL – Continue with is
olation
testing
T
T
O
mbar
POSITIVE PRESSURE APPLIED
x
CONNECTOR PLUG
FROM KIT
x
CONNECTOR
CAP
Fig 3
Draeger Training 11/16 rev 1
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