What does a Roda Deaco valve do?
Roda Deaco is the primary supplier of positive air shut off valves and accessories—also known as ASOV (air shut off valves) or ESD (emergency shutdown valves)—designed to prevent diesel engine runaway.
What is Roda Deaco switch?
The Roda Deaco Revguard Speed Switches detect the hazard of an overspeed condition. When engine RPMs exceed the Revguard’s program setpoint, the output is energized, providing the signal to actuate the air intake shutoff valve(s) to shut off your engine.
What is positive air shutdown?
Positive air shutoff systems are used to protect people and equipment from diesel engine runaway. This occurs when a diesel engine ingests a hydrocarbon vapor and uses it as an uncontrolled fuel source. When this happens, the only way to effectively shut down the engine is by either removing the air or fuel supply.
How do I reset my shocker pass?
Raise engine RPM until valve trips (should be 50% of original set). Valve will trip. Turn knob on valve ¼ turn clockwise to reset.
How does the Roda deaco air shut off valve work?
The Roda Deaco Revguard Speed Switches detect the hazard of an overspeed condition. When engine RPMs exceed the Revguard’s program setpoint, the output is energized, providing the signal to actuate the air intake shutoff valve (s) to shut off your engine.
When do you shut off the Rodda Decca valve?
Many mechanics have a heavy piece of aluminum plate close by when working on diesel engines to close off the intake. So the Rodda decca valve is a safety shut-off in case of a run-away engine. Did you find the recommended reading relevant to this discussion?
Who is the manufacturer of positive air shut off valves?
Roda Deaco is the primary supplier of positive air shut off valves and accessories—also known as ASOV (air shut off valves) or ESD (emergency shutdown valves)—designed to prevent diesel engine runaway.
Is the D-am positive air shut off valve self contained?
(Cummins is a registered trademark of Cummins Inc. MTU is a registered trademark of MTU Friedrichshafen.) The Chalwyn brand D-AM automatic positive air shut off valves are self-contained with flow actuated overspeed shutdown. They require no external electrical or mechanical input devices.