Commercial Vehicle Systems (CVS)

The maximum horizontal pulling force that can be safely applied to the fifth wheel. Also called draw bar capacity.

A device to quiet the pipes of the A/C system with baffles placed inside to deaden the sound of refrigerant moving.

A three-unit combination of tractor plus two trailers.

A combination vehicle in which the second trailer is a full trailer unit connected by a draw bar to a single hitch point on the lead (first) trailer.

A single swinging lock jaw and plunger for simple operation.

A battery in which electrolyte is absorbed in a fine glass mat that prevents the solution from sloshing or separating into layers of heavier acid and water.

Failure directly attributed to driver or other person’s actions operating a component, system or vehicle outside normal operating range.

A pattern produced by DC voltage fluctuations from the alternator that creates differences between the peak voltage and the minimum voltages of overlapping AC sine waves.

A device that switches the polarity of an AC signal to resemble the straight wave polarity of DC.

A device placed between the evaporator and the compressor to collect liquid refrigerant and prevent it from entering the compressor. See also hydraulic accumulator.