What are Jakes on a semi truck?

What are Jakes on a semi truck?

The Jacobs Engine Brake® (also known as the “Jake Brake®”) is a diesel engine retarder that uses the engine to aid in slowing and controlling the vehicle. When activated, the engine brake alters the operation of the engine’s exhaust valves so that the engine works as a power-absorbing air compressor.

Why do truckers use Jake Brake?

The Jake Brake releases compressed air from the cylinder, slowing the vehicle by absorbing the engine’s power. Jake Brakes are commonly used to control the truck speed while descending a steep grade, rather than using the foot brakes, saving wear on the brakes.

When did Jake Brakes come out for Series 60?

Effective August 10, 2000, Model 795 Jake Brakes are used on all Series 60 engines requiring an engine brake. ‪ Former Jake Brake production models for the Series 60 engine were the 760A (which replaced model 760), 760B, 765, 765A, 770 and 790. ‪ Detroit Diesel engine model Nos. 6067GU28 and 6067GK28 are for bus/coach applications.

Which is Jake Brake model for Detroit Diesel?

Detroit Diesel engine model Nos. 6067GU28 and 6067GK28 are for bus/coach applications. Due to interference fits on some coach chassis, a two-housing Jake Brake kit may be required. Contact your Detroit Diesel Distributor for information on these kits.‪ Jake Brake® is a registered trademark of Jacobs Vehicle Systems.

Who is the owner of the jake brake?

Jake Brake® is a registered trademark of Jacobs Vehicle Systems. J-Lash™ is a trademark of Jacobs Vehicle Systems. ‪ Energizing the engine brake effectively converts a power-producing diesel engine into a power-absorbing air compressor.

Why does the slave piston retract in Jake brake?

At the bottom of its stroke, the slave piston separates from the valve in the slave piston adjusting screw, allowing high pressure oil to flow into the accumulator. This reduces the pressure in the high pressure circuit, permitting the slave piston to retract and the exhaust valves to close in preparation for the normal exhaust valve cycle.