Poseidon SE7EN+ User Manual Chapter 1 Page 37
Service
Poseidon SE7EN+ cylinders should be hydro-tested once every ve years and visually
inspected yearly. Local legislation may force more frequent testing. Regulators should be
rebuilt every two years. Oxygen regulators, cylinders, and cylinder valves should be oxygen
cleaned every two years. All of these services form a part of the Poseidon Tech Center biennial
service. Contact your Poseidon representative for details.
We recommend that you pay close attention to the primary display, at test 55, during the pre
dive check. At this test, the remaining number of weeks, until the next scheduled service date,
is displayed in the lower right corner.
Once the service date is due, the diver is prompted to acknowledge (similar to “power up proce-
dure”) that he/she has understood that service is needed. A grace period of 4 weeks is added.
The service due date can also be read from the Reef app.
Figure 1-71.
Ready for Pre-Dive tests. As congured in this photo, the Poseidon SE7EN+
shows the optional Platform backpack installed, but not the optional buoyancy
compensator wing, which is mounted behind the counterlungs.
WARNING: It is recommended practice to don the rebreather
unit only after completion of the Pre-Dive Procedures described
in the next Chapter. Not only is it easier to diagnose and correct
many test fails when the rig is not on the diver’s back; but also
the risk of oxygen re is greatest when cylinders are pressurized
(which is usually done during the Pre-Dive Procedures.
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