Dräger LFB PSS 7000 - Page 73

Appendix 4
476 Issue date: 17 November 2006 73 of 80
SET REDUCED VOLUME, DO NOT USE AFTER DATE, CONFIRM BA SET I.D. AND
TEST ADSU
EV
CHECK IN ORDER
P
NYP
20
PRESS the Bodyguard LEFT button to start the ‘self-check’ sequence.
21
When the ‘reduced volume’ icon appears PRESS the LEFT button followed by
the RIGHT button to confirm this setting.
22
PRESS the RIGHT button to scroll and
CONFIRM:
‘Do not use after date’ and BA set identification
number.
CHECK this date to ensure it corresponds with
the front of the BA log book (EV 01).
23
OPERATE first breath button.
24
PUT the neck loop on.
CONNECT face mask to retaining stud.
CHECK it holds securely.
25
REMOVE the Bodyguard key noting the reduced volume of (repeat from EV 20 if not
reduced).
26
OPEN the cylinder valve SLOWLY and FULLY.
The cylinder must have a minimum of 270 bar to start the test.
NOTE the pressure reading for entry into the BA log book (EV 55).
27
TEST ADSU, to test pre-alarm signal:
CONFIRM the green LED continuously flashes,
WAIT 30 seconds – pre-alarm sounds,
CANCEL pre-alarm (tap side of unit),
WAIT 30 seconds – pre-alarm sounds – do not cancel,
WAIT 15 seconds - full alarm sounds,
CHECK LED’s, two blue, two red and one green illuminate alternatively,
INSERT Bodyguard key to cancel.
28
TEST the manual DSU by:
PRESSING the yellow button in the centre of the unit to start the manual
DSU alarm,
CHECK LEDs, two blue and two red illuminate alternatively
REMOVE and REINSERT Bodyguard key to cancel.