TM 5-4220-233-14
c.
Preparing Servicing Unit for Transport after Charging SCUBA Cylinders.
Figure 2-13. Preparing Servicing Unit for Transport.
(1) Close all eight cylinder valves (1) and slowly open all eight 1/4-tum ball valves (2).
(2) Reinstall the side panels (3) and secure the doors (4) to control compartment sides with the holders
(5).
(3) Slowly open servicing valve (6) and bleed off valve (7) and allow Compressed Gas System to be
vented.
(4) When air can no longer be heard venting, completely open bleed off valve (7) to ensure all air has
been vented, then close bleed off valve (7).
(5) Close all valves on the control panel and back off on pressure regulator (8).
(6) Disconnect fill hose(s) from fill station(s) and install dust cap(s) on fill station(s) (9).
(7) Bag and stow fill hose(s) in gas system tool box (10).
(8) If trough (12) was used, drain the water from the trough, and secure trough to mounting base (11).
(9) Close control compartment doors.
(10) Perform after PMCS.
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