TM 5-4220-233-14
4-63. PREPARATION FOR STORAGE.
Figure 4-54. Preparation for Storage.
a. Preparing the Body Assembly for Storage.
(1) De-pressurize the Compressed Gas System, including storage cylinders, per paragraph 4-19.
CAUTION
Due to moisture content of air the Storage Cylinders must be filled with dry nitrogen for periods of storage
longer than six months. Failure to follow this precaution may result In erosion Inside the cylinders and
contamination of Compressed Gas System.
Determine the maximum potentially storage time for the Servicing Unit. If time period will be six months or
longer prepare Servicing Unit for long-term storage per paragraph 4-64, otherwise proceed to step (2).
(2) Ensure all valves on control panel (1) are closed and regulator Is completely backed off.
(3) Ensure dust caps are Installed and secured at the recharge station, hi-pressure station, and
fill stations.
(4) Ensure protective coverings Installed at both ends of four fill hoses and hoses are stowed in
Compressed Gas System tool box (2).
(5) Ensure drain plugs are Installed at bottom of Compressed Gas System tool box (2) and
control compartment (3).
(6) Close and secure Compressed Gas System tool box (2).
(7) Ensure the appropriate documents (breathing air certification, test date, and others are
secured in document holder).
(8) Close and secure control compartment front doors (4).
(9) Ensure all eight cylinder valves (5) are closed.
(10)
Install control compartment side panels (6).
(11)
Ensure all four non-flammable gas placards (7) are installed and secured.
(12)
Ensure trough (8) is secured to trough mounting base.
4-101
