16 SENR9977
Systems Operation Section
Fuel Injection
Pump
g01132091
Illust
ration 1 2
Schematic of the Bosch VP30 fuel injection pump
(1) Speed/timing sensor
(2) E lectronic control unit (E CU) for the fuel
injection pump
(3) Fuel transfer pump
(4) Fuel solenoid valve
(5) Distributor plunger
(6) Fuel injector
(7) D elivery valve
(8) Cam plate
(9) R oller
(10) Timing advance mec hanism
(11) Timing solenoid valve
(12) Fuel transfer pump
(13) Pressure regulator
(14) E CM
(15) Cam ring
The fuel
injection pump has the following operations:
•
Delivery
•
Generation of high pressure
•
Distrib
ution and injection
•
Timing and control
•
Shutoff
•
Control
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