V2607 Used Fuel Injection Pump Excavator SY60 1J700 - 51013 For
Kubota
Specification
| Car name: Fuel Injection Pump | Model Number: C2607 |
| Quality: High quality | Engine type: Diesel |
| Application: Excavator | Part code: 1J700 - 51013 |
| Cooling: Water cooling | Injection: Direct |
Description
The inline fuel injection pump consists of the following major
components:
Plunger with a helical groove
Fuel barrel
Inlet valve
Spill hole
Outlet valve
The camshaft arranged below the plunger helps to reciprocate the
plunger inside a fuel barrel.
The camshaft gets power from the engine crankshaft and it operates
in such a way that the fuel will be injected at an exact time and
for the exact duration.
When the plunger moves downward, the fuel is sucked inside a barrel
through an inlet valve.
During the upward stroke, the plunger develops pressure on the fuel
trapped inside a barrel. This high-pressure fuel pushes the outlet
valve against the spring to open and then the fuel moves to the
injector.
The amount of fuel supplied is controlled with the help of a spill
hole, a helical groove on the plunger, and a rack and pinion
arrangement.
How does a Distributor fuel injection pump work?
The distributor type pump uses a single pumping mechanism and uses
a rotary distributor to distribute fuel to the multiple injectors.
The schematic diagram of the distributor fuel pump is shown below.
The distributor fuel injection pump consists of the following main
components:
Rotor with control passage
Stator or body with inlet and outlet ports
Two reciprocating plungers
The rotor of the distributor pump has vertical internal (control)
passage. The rotor also has a number of suction passages and one
discharge passage. The suction and discharge passage are made at
different elevations.
The stator body of the distributor pump has a single suction port
and a number of discharge ports.
The number of discharge ports in the stator body is equal to the
number of fuel injectors in an engine. The rotor rotates inside a
stationary body for the distribution of fuel.
When the suction port is aligned with the suction passage of the
rotor, both plungers move away from each other, thus the fuel is
sucked into the control passage.
When the discharge port aligns with the discharge passage, the
plungers move toward each other. Thus the fuel inside a control
passage is injected into the discharge ports. In this way
alternately the rotor supplies fuel to all fuel injectors.
The plungers reciprocate inside a cylinder by use of the cam ring
and it can deliver the fuel at a higher engine speed.
