Appendix 3
476
Issue date: 17 November 2006
69 of 80
EV
CHECK IN ORDER
P
NYP
40
CONTINUE HOLDING BREATH
for approximately
8 seconds
whilst slowly moving
your head up, down and side-to-side to ensure the face mask is not leaking inwardly
(negative pressure).
This will be noted by the face mask failing to remain ‘sucked down’ onto your face.
41
After
8 seconds
,
BREATHE OUT SLIGHTLY,
release sliding buckles and remove the face
mask.
CHECK
the operation of radio interface equipment if fitted.
42
EXTEND
straps,
WIPE
the face mask seal and inner mask with a damp PALTECH wipe.
CHECK
and ensure the two inner mask non-return valves are still in place and are seated
correctly.
RESTOW
the face mask into its bag.
Note: do not attach neck loop retaining stud.
43
FILL OUT
the BA tally (enter rounded down pressure noted at EV 37).
ENSURE
that printed details on the BA tally are clear and enter rank and name.
44
REPLACE
Bodyguard key (if removed).
CHECK
that the Bodyguard returns to the ‘battery charging’ icon.
45
CHECK
if available, that the spare cylinder is correctly stowed and is within the hydraulic
test date.
Note: EDBA, check station stock.
46
COMPLETE
the BA log book (enter pressure recorded at the cylinder contents check EV
19).
Note: if there is a leak as a result of the ‘breathe down’ sequence above the wearer should repeat the ‘A’
test ‘breathe down’ sequence from EV 29 above, paying particular attention to correctly fitting the face
mask onto the face and the adjustment of the head harness. The straps should not be over tightened.
F6186 (January 2020, version 8)