How are over speed trips held in place?
The design of an over speed trip consists of a heavy bolt with a comparatively heavy head. The bolt is fitted at the forward end of the engine shaft where no engine torque is transmitted and is bored throughout the diameter of the shaft. Just like any other conventional bolt, the over speed trip bolt is held in place by using a nut and a spring.
How does the steam stop work on an over speed trip?
The steam stop valves actually controls the supply of fuel going to the cylinders. When the over speed trip operates, the pin holding the steam stop valve in the open position is released, closing the valve and stopping the flow of both, the steam and the fuel.
How does an over speed trip engine work?
Generally fitted on steam turbo alternators or generators, over speed trip prevents the engine from getting damaged because of extremely high speeds. How Does An Over Speed Trip Work?
Where is the over speed trip bolt fitted?
The bolt is fitted at the forward end of the engine shaft where no engine torque is transmitted and is bored throughout the diameter of the shaft. Just like any other conventional bolt, the over speed trip bolt is held in place by using a nut and a spring.
The design of an over speed trip consists of a heavy bolt with a comparatively heavy head. The bolt is fitted at the forward end of the engine shaft where no engine torque is transmitted and is bored throughout the diameter of the shaft. Just like any other conventional bolt, the over speed trip bolt is held in place by using a nut and a spring.
How many over speed trips does an engine need?
It needs to be tested periodically to ensure its correct functioning. Sometimes engines are fitted with two independent over speed trips, an electro-pneumatic device with trip setting at 15% above nominal speed and a mechanical device with trip setting at 18% above nominal speed.
The bolt is fitted at the forward end of the engine shaft where no engine torque is transmitted and is bored throughout the diameter of the shaft. Just like any other conventional bolt, the over speed trip bolt is held in place by using a nut and a spring.
What happens when the speedometer does not work?
The speedometer backlights. The odometer mileage is displayed but does not change. The trip meter stays the same and does not change. The directionals don’t self cancel any more.