What is phasing of fuel injection pump?
What is phasing of fuel injection pump?
Fuel injection pump phasing is a procedure that adjusts the fuel injection timing of the fuel injection pump relative to the crankshaft. Adjusting the injection timing provides reduction of torque fluctuations and can thus be used to control gear impact noise.
What are the tools needed in setting injection timing?
Tension Wrench.
What drives the injection pump?
Traditionally, the injection pump was driven indirectly from the crankshaft by gears, chains or a toothed belt (often the timing belt) that also drives the camshaft. It is also common for the pump belt on gasoline engines to be driven directly from the camshaft.
Which of the following is used from the engine to drive a gear driven injection pump?
Which of the following is used from the engine to drive a gear-driven injection pump? Explanation: The injection pump is gear driven from the engine camshaft so that it is driven at half the engine speed.
How do you remove fuel injection pump gear?
Apply sufficient pressure to fuel injection pump gear (2) in a counterclockwise direction in order to remove the backlash. Lock fuel injection pump (3) in this position. In order to lock fuel injection pump (3), loosen locking screw (4) in the fuel injection pump. Slide spacer (5) into Position (YY).
Where is the injection shaft on a fuel injection pump?
New and reconditioned fuel injection pumps mustbe received with the shafts located in this position. At the point of injection, the keyway of the shaft will align with the delivery valve receiving the injection and the illustrated hash mark on the seal housing. The Number 1 cylinder delivery valve is marked as illustrated.
How to cover the ports on an injector pump?
• Cover the exposed ports on the injectors and the rear of the pump with tape or screw caps (eg chair tips) to avoid dirt falling in. • If there aren’t any timing marks, scribe some on the flange of the injector pump and the timing case to use later as confirmation of correct reassembly.
How does the gear pump on a submarine work?
The gear pump that supplies the high-pressure oil is driven from the governor drive shaft and takes suction from the governor oil sump. A spring-loaded accumulator maintains a constant pressure of oil and allows excess oil to return to the sump. To prevent overcorrection in the regulating governor a compensating mechanism is used.
