Self-Sealing Fuel Cells.

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.

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

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

(10) Never roll or drag a cell.

80 . and any RH.

(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

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.

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