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TM 5-4320-308-13
B
BRINNELLED - A deformation of a bearing by an impact.
BUMPING CLEARANCE - Clearance between cylinder head and top of piston.
Measured with piston at TDC (top dead
center).
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.
CHAMFER - A beveled edge.
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 escape (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 mechanical
damage.
DIAMETRIC - Measurement across the center.
DISPLACEMENT - The volume displaced by a piston in a single stroke.
DISTORTION - The bending, twisting, or any other dynamic change of a surface.
EXHAUST - The gases that leave the engine through the tailpipe while the engine is running.
EXPENDABLE - An item that is not repairable and is discarded if damaged.
EXPOSURE - Being in the presence of something, or in contact with something. Skin is exposed to cleaning solvent
when the solvent contacts the skin during cleaning operations.
Glossary 2
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