4-13
7. Lack of O2 alarm
7.1 Alarm valve M 28480
Replace diaphragm M 16497 every 4
years.
Date of next replacement: _________
7.2 Build up 5 bar with test pressure reducer
by way of O2-CS connection.
Set * = 1L/min. at O2 flowmeter.
Slowly reduce test pressure.
Test value:
Signal must sound at 1.7 bar at the latest.
7.3 Signal slowly stops sounding as pressure
continues to drop; there is no deactivation.
7.4 Slowly build test pressure back up again.
Alarm must stop sounding at 2.7 bar at the
latest.
7.5 Warning time
Establish O2 supply (min. 15 s vessel
filling time) and interrupt again.
Rapidly dissipate pressure in system.
Warning time
≥ 7 s
8. Pressure regulator 8402745
O
2
,N
2
O,Air
Renew diaphragm and inlet valve
S-Set 8411 129 every 6 years.
Date of next replacement: _________
Downstream pressure is only tested when
parts have been replaced.
8.1 Pressure regulator O2 measuring tubes
Supply pressure(5...5,5bar)
Test value: P
dyn
3,0 + 0,2bar
*
C
O
O
O
O
*
C
OL
RETURN TO CD-ROM TABLE OF CONTENTS
RETURN TO THIS MANUAL'S TABLE OF CONTENTS
To Next Page
Loading...
