Commercial Vehicle Systems (CVS)

A vacuum-operated power assist system for hydraulic brakes.

A gauge designed to read negative pressure or vacuum.

A pump used to evacuate the A/C system of air and put the system into a deep vacuum or low pressure to remove moisture.

A schematic wiring diagram that uses SAE-type symbols.

Small cam on the end of the shift signal and modulator valves that, when turned, adjust the shift point.

A special test stand specifically for testing and setting up Allison transmission control valve bodies and shift points.

A type of sealed lead-acid battery used in heavy-duty equipment; it does not require the addition of water; also called a sealed lead-acid battery (SLA) or recombinant battery.

A hydraulic pump that uses sliding vanes to move the fluid.

A type of active sensor that measures both dynamic and static pressure using a fixed and movable capacitor plate.

A type of pump with the ability to change output volume, as in a pump with a mechanism that allows the output to vary.