TM 9-4110-258-13
SECTION VII PREPARATION FOR STORAGE OR SHIPMENT.
4.46 ADMINISTRATIVE STORAGE.
Placement of equipment in administrative storage should be for short periods of time (1 to 45 days) when a shortage of
maintenance effort exists. Items should be in mission readiness within 24 hours or within the time factors as determined
by the directing authority. During the storage period, appropriate maintenance records will be kept.
4.46.1 Before placing the equipment in administrative storage, current preventive maintenance checks and services
should be completed, shortcomings and deficiencies should be corrected, and all Modification Work Orders (MWO)
should be applied.
4.46.2 Storage site selection. Inside storage is preferred for items selected for administrative storage. If inside storage
is not available, trucks, vans, conex containers, and other containers may be used.
4.47 PUMP DOWN REFRIGERATION UNIT.
WARNING
High voltage and exposed rotating parts are contained in the refrigeration unit. Personal injury
can result if power is connected.
a. Be sure refrigeration unit is shut down and power is disconnected then remove two isolation valve caps (1) and
shut off valve caps (2).
b. Close hot gas stop valve (3).
c. Close receiver outlet valve (4).
d. Be sure the condenser side doors are closed and operate the refrigeration unit (para 2.5) until it shuts down
automatically.
e. Shut down the refrigeration unit (para 2.7) and disconnect power.
f. Close receiver inlet valve (5), compressor shut off valves (6), and liquid stop valve (7).
g. Install two shut off valve caps (2) and isolation valve caps (1).
h. Place a marker tag (7, appendix E) on or near the control box cover stating "THE REFRIGERATION UNIT HAS
BEEN PUMPED DOWN, DO NOT OPERATE UNTIL ALL VALVES HAVE BEEN PROPERLY SET,
EQUIPMENT DAMAGE WILL OCCUR."
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