Usually radial lip type seals at the front and rear of the crankshaft.

Main drive pulley on the end of the crankshaft.

See Shell Bearings.

Counterbalance weights that are opposite the big end bearing journals.

'Fish Eyes')">Small round depressions in a paint film which may or may not expose the underlying surface. Frequently caused by contamination of the substrate by wax, oils, etc.

The tendency of a wet paint film to recede from certain areas of a painted surface. Often caused by the presence of contaminants on the surface.

The formation of surface cracks, often as a fine network, which do not penetrate to the underlying surface of a paint film. Crazing is sometimes caused by the softening effect of solvents from excessive paint coats as in cellulose or acrylic lacquer repair operations.

A cyclic redundancy check is a method of checking for errors in data that has been transmitted on a communications link.

A positive displacement pump made from one externally and one internally toothed gear rotating eccentrically in a housing. Inside the housing, and in the space formed where the teeth are out of mesh, is a crescent shaped block. This divides the gear teeth to create the pumping and carrying chambers of the pump.

Act of squeezing a connection such as a terminal onto a wire.