Dräger PSS BG 4 plus

Draetger BG4 Iso Training 3/12
PSS BG4 – Low Pressure Leak Isolation
CO2 SCRUBBER
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
 Plug input side of CO2 Scrubber (X) Connect adaptor with opening
to output side of Cooler. ( O )
 Attach mbar meter
and pump
bulb as shown.
 Disconnect Dosage Line from
Coole
r and plug opening ( X )
 Install connector cap un
der Relief
Valve (O)
 Refer to Fig 1  TEST  PASS – Check Dosage Line
Redu
cer bypass
Ball nose o-ring
 FAIL – Conti
nue with isolation
testing
x
CONNECTOR PLUG
FROM KIT
COOLER
T
T
x
O
mbar
POSITIVE PRESSURE APPLIED
Fig 1
x
CONNECTOR
CAP
Page 82
Draeger Training 11/16 rev 1