Dräger LFB PSS 7000 - Appendix 4 - B Test Aide Memoire and BPA

Appendix 4
476 Issue date: 17 November 2006 70 of 80
Appendix 4 – ‘B’ test aide memoire and BPA
Dräger PSS 7000 breathing apparatus – ‘B’ test aide memoire and best practice
assessment
CLEANING AND INSPECTION
EV
CHECK IN ORDER
P
NYP
1
CHECK the front of the BA log book for the ‘do not use after’ date to ensure the BA set is still
within its certificated test date and ensure this date corresponds to that on the Bodyguard
display (EV 22).
Note: Before conducting ‘B’ test don Nitrile gloves and consider respiratory protection
following operational or real fire training use.
2
CLEAN the face mask bag, INSPECT and dry.
DISCONNECT the face mask from the lung demand valve (LDV), clean, inspect and dry.
CHECK clarity of vision through the visor.
CHECK the exhalation valve cover securing screw is in place and that the cover is not
damaged or blocked. CHECK LDV/filter port for damage.
Only remove the inner mask if necessary and ensure the two non-return valves are in place
and are seated correctly.
3
CHECK the nine identification numbers match and are legible – located on the:
Face mask,
LDV,
Backplate front and rear,
BA tally and telemetry module,
Log book front and rear,
Bodyguard number (checked at EV 22).
Note: if mismatch found, check all other BA sets on station before contacting OSG.
4
FIT aids to vision if required.
5
SDBA – Ensure 0 bar is displayed on Bodyguard.
RELEASE the anti-entanglement straps. RELEASE the cylinder retaining strap mechanism and
loosen the strap from the cylinder body.
UNSCREW the cylinder connection to the reducer.
EDBA – Ensure 0 bar is displayed on Bodyguard.
RELEASE the anti-entanglement straps.
UNSCREW the cylinder connection to the reducer.
OPERATE spring plate and GENTLY push the BA set backplate towards the reducer and
release the cylinder pack.
Note: take care to ensure fingers are not caught in the release spring mechanism as it returns
to its natural position when the cylinder pack is released.
6
REMOVE and CLEAN the cylinder (remove in the opposite direction to the cylinder
connection).
F6187 (January 2020, version 8)