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TM 38-400/NAVSUP PUB 572/AFMAN 23-210 MCO 4450.14/DLAM 4145.12
(2) The recommended storage conditions for
(4) Uncrated cells should never be stacked
specific types of photographic chemicals are as follows:
but should be stored in contoured racks resting on the
widest side where there are no fittings.
(a) Dry  chemicals  in  hermetically
(5) For the support of uncrated cells, the use
sealed containers at temperatures up to 90 . and RH.
F
of paper tubes inserted within the cell is recommended.
NOTE
(6) The cell should never be allowed to rest
on protruding fittings. When crated, the proper position
Sealed  metal  containers  do  not
will be indicated on the container by arrows.
require  special  protection  except
where  conditions  could  cause
(7) When in storage, all openings will be
container corrosion or deterioration.
covered to prevent the entrance of foreign materials.
(b) Dry chemicals in containers with
(8) Internal support will be installed in all
moisture barriers at temperatures up to 90 . and at
F
semi-flexible cells to prevent distortion.
RH up to 50 percent.
(9) Cells with external supports will not be
(c) Liquid chemicals in hermetically
stored without these supports.
sealed containers at a temperature between 70 . and
F
(10) Never roll or drag a cell.
80 . and any RH.
F
(d) High humidities will be avoided
5-24.  Internal Combustion Engines.
where possible to prevent deterioration of fiberboard
a. Other than aircraft.
When storing internal
packing cartons.
combustion engines, the following precautions should be
(e) These instructions are applicable to
observed:
those photographic chemicals discussed.  Where the
(1) Engines should be stored in a clean, dry
manufacturer  specifies  special  considerations,  the
area which is not subject to extreme variations in
manufacturer's instructions will be followed.
temperature.
h. Flash bulbs. Personnel who store, handle, and
(2) Engines should be stored on dunnage,
ship flash bulbs should be cautioned about the fire
pallets, skids, or in racks depending on the size, type of
hazard which exists from unpackaged or improperly
engine, method of pack, and quantity to be stored.
packaged bulbs being fired or exploded by radar beams.
(3) Engines are not to be turned over or
Normally, flash bulbs should be shipped in full case lots.
cranked while in storage because of the danger of
If not possible to ship in full case lots, broken case lots
damaging the coating of preservative compound on the
will be packed in accordance with Federal specification
cylinder walls and on all moving parts.
W-L-122.  Bulbs will not be stored near sources of
(4) Engines
in
storage,
other
than
radiated energy unless suitably protected by containers
dehumidified storage, should be treated periodically with
which are impervious to such radiation.
preservative compounds.
(5) In nondehumidified storage, periodic spot
5-23.  Self-Sealing Fuel Cells.
checks on 5 percent of the engines on hand should be
a. Deterioration.
All  self-sealing  fuel  cells
made at intervals of approximately 6 months.
If
deteriorate with exposure to light, heat, and improper
deterioration is apparent, a complete check of all
handling.
engines  should  be  made  and  engines  showing
b. Precautions to be taken. When handling and
deterioration should be represerved.
storing self-sealing fuel cells, the following precautions
(6) In  dehumidified  storage,  normally,
should be observed:
engines do not require as much attention; an annual
(1) Store cells in clean, dry, dark, and cool
check of 1 percent of the engines in stock should be
warehouses.
sufficient to ensure the engines being operable when
(2) Store in a shipping container, if available,
required.
and do not remove the cell from the shipping container
(7) A different group of engines should be
until needed. Save empty containers for storing used
selected for each spot check.
cells.
b. Aircraft. Storage of aircraft engines will conform
(3) Use frames or vertical dunnage to prevent
to specific instructions of the appropriate military
crushing or distorting when more than four containers of
service.
cells are stacked.
5-73

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