Bicycle pumps work through the manipulation of air pressure with a piston inside a cylinder. When the lever is pulled up, the air is drawn into the cylinder. When the lever is pushed down, the air is expelled, usually in... More »

People use a fuel pump relay diagram to locate the control circuit terminals and the power circuit terminals on a fuel pump relay, as eBay explains. This diagram is typically located on the casing of the fuel pump relay. More »

The method for reading a pool pump diagram depends on the pool pump. Usually, the parts of a pool pump diagram are clearly labeled, making reading the diagram easy. More » Home & Garden Outdoor Pools & Hot Tubs

A bicycle works with rotating rubber wheels, drive chains and gears driven by pedals for speed, brakes to slow and handlebars to steer. The bicycle wheel also has spokes to distribute the forces of movement evenly around... More »

Bicycle rollers are a type of treadmill for a bicycle, consisting of a frame housing a set of three cylindrical rollers. Two rollers at the rear contact the back wheel of the bike, while the front wheel rests on a single... More » Sports & Active Lifestyle Biking & Cycling Bicycles

A pneumatic cylinder works by forcing air or gas into a cylinder, which moves a piston after a certain pressure is achieved. The piston is attached to another mechanism that performs the desired function of the machine. More »

A hydraulic arm works by using high fluid pressure, created by a pump, to force a piston in a cylinder to move. As a valve is opened one way, the fluid is allowed to enter the cylinder and force the piston to move. More »