SECTION VI PREPARATION FOR STORAGE OR SHIPMENT
4-54. ADMINISTRATIVE STORAGE
Placement of equipment m administrative storage should be for short periods of time (1 to 45 days) when a shortage
of maintenance effort exists. Items should be m mission readiness within 24 hours or within the time factors
determined by the directing authority. During the storage period, appropriate maintenance records will be kept.
a. 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.
b. 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.
4-55. PUMP DOWN REFRIGERATION UNIT
High voltage and exposed rotating parts are contained in the
refrigeration unit Personal injury can result if power is connected
Refrigeration unit should be pumped down if out of service for longer
than 5 days.
Be sure refrigeration unit is shut down and power is disconnected then remove two isolation valve caps (1)
and shut off valve caps (2)
Close hot gas stop valve (3).
Close receiver outlet valve (4).
Be sure the side doors are closed and operate the refrigeration unit (para 2-5) until it shuts down
Shut down the refrigeration unit (para 2-7) and disconnect power
Close receiver inlet valve (5), compressor shut off valves (6), and liquid stop valve (7).
Install two shut off valve caps (2) and isolation valve caps (1)
Place marker (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"