How do you turn on a Bosch injection pump?
The Bosch VE pump can be turned up by turning the power adjustment screw clockwise about 1 to 2 turns. This power adjustment screw is located on the firewall end of the injection pump under a plastic cover that will pop off.
How do you turn on a fuel injection pump?
Modify the Fuel Injection Pump. One of the more straightforward ways to convert the timing is to adjust the fuel injection pump. All you have to do is rotate the pump with a screwdriver and socket wrench — standard tools you can find in your garage or toolbox.
What is the working principle of a normal Bosch type fuel pump?
Bosch type fuel pump : The most common fuel pump used on auxiliary diesel engines is the Bosch type. This is a cam operated jerk pump with a helical groove on the plunger to control the fuel cut-off and therefore the quantity of fuel delivered to the cylinder for combustion.
How does a mechanical diesel fuel injection pump work?
It rotates at half crankshaft speed in a conventional four-stroke diesel engine. Its timing is such that the fuel is injected only very slightly before top dead centre of that cylinder’s compression stroke. It is also common for the pump belt on gasoline engines to be driven directly from the camshaft.
How does a mechanical fuel pump work?
Mechanical fuel pumps use a lever that rides on the camshaft to pump a rubber diaphragm inside the pump up and down. This creates suction that pulls fuel into the pump, and then pushes it along. A pair of one-way valves inside the pump only allow the gas to move in one direction (toward the engine).
How do I advance my injection pump timing?
There are several ways you can adjust injection timing, depending on the type of engine you have and how old it is. The most common ways to adjust injection timing are programming the ECM, adjusting the fuel injection pump, replacing the camshaft, and replacing the cam followers or gaskets.
What operates the fuel pump plunger?
A spring is used to pull the plunger outward creating a lower pressure pulling fuel into the chamber from the inlet valve.
How does vit work?
By controlling the injection timing of the fuel in the fuel delivery pump and advancing the fuel pump injection timing, VIT increases the maximum pressure in the engine.