How do you fix an overspeed fault?
To do so, place the control panel system switch in the OFF position for 30 seconds or more. Remedy the fault condition, then return the generator to service by installing the 15 Amp fuse, placing the system switch in the AUTO position, and resetting the exercise timer. See Setting Exercise Timer in Operation.
Is engine overspeed bad?
Overspeed can do all sorts of damage like breaking a con rod, bend valves, punch a hole in the block, seize up the engine, etc.
How do you test a main engine overspeed trip?
It can be tested by increasing the engine speed by speed adjuster at no load condition. Over speed trip will cut-out the fuel supply at 115% of normal speed.
Why is overspeed bad?
1. High speed over stresses the airframe of the aircraft from impact pressure of the air, especially at lower altitudes. 2. High speed make the flight controls very sensitive so that small deflections can create high G loads on the airframe.
What happens when a propeller overspeed?
with a tremendous increase in noise. Left unchecked a prop overspeed can lead to hub or blade failure and a subsequent severe vibration from the imbalance. Pull the throttle and slow the plane down, and you can usually regain propeller speed control, at least temporarily. pressure is lost in the prop dome.
What does a flashing green light mean on a Generac generator?
GREEN LED (GENERATOR OK)
The Auto/Off/Manual switch on the generator is set to the Manual position, the engine is running and no alarms are active. When active, the green LED will flash once every 10 seconds.
What operates the overspeed 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.