TM 10-4320-309-14
TM 4320-14/1
Section II. DEFINITION OF UNUSUAL TERMS
A
ABRASION - A scraped or scuffed area. A hose may become abraded if an unshielded portion of it rubs
against a piece of bracket or another hose.
ALIGN - To arrange in a line vertically and/or horizontally.
APPROVED - Permitted to be used for a specific purpose by the person or group who is authorized to grant
approval.
ASSEMBLY - A combination of parts that maybe taken apart without destruction, which has no application or
use of its own but is needed for the completeness of a more complex item with which it is combined, or to
which it is attached.
C
CAPACITY - The volume, amount, or quantity that can be held or contained.
CARBON MONOXIDE - A poisonous gas that is made while a fuel is burning, especially if there is not quite
enough air. The gas is colorless, odorless, and tasteless, but it can cause illness or death. See the warnings
on the Warning page at front of manual.
CAVITATION - Condition caused when engine speed is increased beyond point of maximum suction vacuum.
Cavitation is indicated by loud cracking noise in pump housing and is harmful to the pump unit.
COMBUSTION - A chemical change, especially oxidation, accompanied by the production of heat and light. A
combustion engine functions by burning fuel to produce heat, i.e., energy.
COMPONENT - A part or a combination of parts which together accomplish a function.
COMPRESSED AIR - Air that is under pressure. When the compressed air in a hose or pipe is allowed to es-
cape (such as when you use an air gun), the air moves very fast and is used to blow away dirt and chips for
cleaning.
CONDENSATION - A liquid formed from a vapor. Moisture carried in warm air will condense when it reaches a
cold area, such as the surface of a fuel tank in subzero weather.
CORROSION - A gradual wearing away caused by chemical action. Metals exposed to salt water are likely to
corrode.
D
DEBRIS - The scattered remains of something broken or destroyed.
DEFLECT - To bend or move from a straight line.
DETERIORATE - A worsening of condition usually as a result of age or hostile environment, as opposed to me-
chanical damage.
DISPLACEMENT - The volume displaced by a piston in a single stroke.
DISTORTION - The bending, twisting, or any other dynamic change of a surface.
Glossary-2