Poseidon SE7EN User Manual
Appendix 3 Page 101
Figure 2-15.
General Pre-Dive Checklists.
Check that the SE7EN battery and M28
battery are charged.
Inspect electronics module, handset,
cables, electric connections, HUD,
pneumatics hoses and oxygen sensors.
Mount top plate on top of scrubber,
check O-rings (2 O-rings).
Mount end plate in the bottom of
scrubber, check O-rings and sponge
(3 O-rings).
Install scrubber into cartridge housing,
tighten the four screws by hand.
Attach BC and harness to cartridge
housing.
Mount counterlungs.
Check valve.
Check hoses, mouthpiece, T-valves
and attach.
Check pressure, analyze, and attach
filled gas cylinders.
1
2
3
4
5
6
7
8
9
10
Pre-dive checklist
O2__________%__________psi/bar
Diluent_________%__________psi/bar
Helium_________%__________psi/bar
Attach electronics module, tighten the
two screws by hand.
Mount the two first stages.
Attach IP diluent supply hose to
mouthpiece, tighten.
Attach HUD on to mouthpiece.
Attach LP diluent supply hose to inflator.
Close OPV on right counterlung.
Negative loop pressure test.
Insert smart battery and conduct power-
up self-tests (see Start up procedure).
Prebreathe. It is very important to pre-
form a full prebreathe for a minimum of
5 minutes, while pinching your nose or
wearing a mask.
11
12
13
14
15
16
17
18
19
20
Check for damage, dirt and
deteriorations during assembly.
Poseidon SE7EN Pre-dive checklist
Figure 2-14.
General Start up and Post-Dive Procedure.
Cylinders
OFF
,
CLOSE OPV,
OPEN-CIRCUIT
mode.
Insert
the battery.
Test 44, 45: turn cylinders
ON
.
Test 50:
CLOSED-CIRCUIT
.
Test 54:
OPEN-CIRCUIT
,
test bailout regulator function.
Test
1-38,55
40
43,50,54
44,45
48
49
53
Confirm and Restart
Needs Servicing (if persistent)
Use correct battery
Verify mouthpiece position
Turn cylinders on / Refill cylinders
Recharge Battery / Replace battery
Counterlungs half-full or less
Verify Oxygen Sensors
1
2
3
4
5
Start-up Procedure
Mouthpiece in
OPEN-CIRCUIT
.
Both cylinders
OFF
.
Wet-switch
DRY
.
Purge ADV.
1
2
3
4
Post-Dive Procedure
