Draeger BG4 Iso Training 1/14
• The purpose of the following instructions is to isolate
where a low pressure leak maybe initiated from in a BG4 using approved
Draeger Test Equipment.
Water is still needed to locate the leak.
X means this part is blocked or plugged.
O means this part is where pressure enters.
TEST means to apply 7 to 10 mbar of pressure, clamp tubing and time
pressure loss in 1 minute.
(Remember Connector Cap under RELIEF VALVE)
PASS = Less than 1mbar loss of pressure in one minute
FAIL = More than 1mbar loss of pressure in one minute
Draeger Training 11/16 rev 1