TM-9-2520-272-34P

CROSS DRIVE TRANSMISSION WITH CONTAINER MODEL X200-4 & 4A

TECHNICAL MANUAL; INTERMEDIATE, DIRECT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

TM-9-2520-272-34P - Page 471 of 488

TM 9-2520-272-34&P

Section II. WORDS AND TERMS

A

AXIAL - Situated around, in the direction of, on, or along an axis.

BURR - Local rise of material forming a protruding sharp point or high spot.

C

CORROSION - Chemical reaction between surfaces of material and environment to which it is

subjected. Generally appears as rust on steel, or as a light-colored powdery coating on

aluminum or magnesium.

Advanced forms of corrosion will result in pitting.

CRACKS (BREAKS) - Surface or material breakage caused by stress which results in partial or

complete separation of material.

D

DISTORTION - Loss of original shape, either local or over an area. Includes bends, twisting,

warping, dents, flattening, crushing, or kinking.

E

ELONGATION - Stretching or lengthening of original dimensions, usually applies to bolt holes.

G

GOUGES - Grooves in or breakdown of metal surface from foreign contact under heavy

pressure. Usually loss of material, rather than displacement.

L

LEAKAGE - Any evidence of a fluid beyond its container.

N

NEWTON - Metric term for force.

NEWTON METER - Metric term for torque.

NICKS - Small grooves or notches.

Usually displacement of material, rather than loss.

O

OVERHEATING - A condition indicated by discoloration of parts which usually results in a loss

of hardness. Usually caused by a lack of lubrication, malfunction of parts, or excessive wear.

Glossary 5

B