Dräger PSS BG 4 plus

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 1  Disconnect Medium Pressure
line from reducer and plug with thumb (X)
 Refer to
Fig 2
 TEST  PASS – Check/Clean Minimum
Valve
 FAIL – Check Yellow Line fir
st
 FAIL - Continue with isolation
testing
T
T
O
x
mbar
POSITIVE PRESSURE APPLIED
x
CONNECTOR PLUG
FROM KIT
x
CONNECTOR
CAP
Fig 2
Page 83
Draeger Training 11/16 rev 1