8
-
Pressure decreases much more slowly
YES
go to 9
NO
go to 10
9
- Replace the pressure regulator.
Check the system seal again.
10
-
There occur trend variations
YES
go to 11
NO
go to 13
11
-
Repeat the test clamping the pipe of the
specific tool dwg. 020480Y in the portion
between the branch and the injector.
Check whether the pressure decreases with
the same trend as the system when free.
Pressure decreases much more slowly
YES
go to 12
NO
go to 13
12
-
Check and replace the injector, if required, due to an insufficient seal
(see - THERMAL UNIT AND TIMING SYSTEM).
13
-
There are no trend variations
Repeat the test clamping the pipe of the
specific tool dwg. 020480Y in the portion
between the branch and the pump. Check
whether pressure decreases much more
slowly.
YES
go to 14
NO
go to 15
14
-
The pump unidirectional valve is faulty. Replace the pump (see pump support overhaul).
15
-
Check the pipe and the injector union seals more carefully.
Check the component seals again, if needed.
NOTE: a poor system seal only affects the start-up velocity.
16
-
Disconnect the pump connector, start
the engine, wait until it stops and connect the
connector again.
Disconnect the fuel return pipe from the pump
support (left pipe).
GO
to 17
17
-
Introduce the return pipe into a
graduated container.
Using the diagnostic tester dwg. 020460Y,
start the fuel pump for 10 seconds.
Make sure that the power supply voltage is
more than 12V.
Measure the amount of fuel delivered.
PGO BR-500 ENGINE
P.9-46
Fuel feeding system
Содержание BR-500
Страница 1: ......
Страница 2: ...INDEX OF TOPICS TIME CHART 12 ...
Страница 13: ......
Страница 14: ...INDEX OF TOPICS PRIOR TO DELIVERY 11 ...
Страница 15: ......
Страница 16: ......
Страница 17: ......
Страница 33: ...PGO BR 500 ENGINE P 10 14 Automatic Transmission ...
Страница 59: ...PGO BR 500 ENGINE P 10 40 Flywheel Cover ...
Страница 61: ... Check that the blow by circuit reed closes properly PGO BR 500 ENGINE P 10 42 Flywheel Cover ...
Страница 65: ...PGO BR 500 ENGINE P 10 46 Flywheel Cover ...
Страница 67: ...PGO BR 500 ENGINE P 10 48 Flywheel Cover ...
Страница 240: ...INDEX OF TOPICS BRAKING SYSTEM 8 ...
Страница 245: ...INDEX OF TOPICS STEERING WHEEL AND SUSPENSIONS 7 ...
Страница 250: ...INDEX OF TOPICS VEHICLE ENGINE 6 ...
Страница 253: ...INDEX OF TOPICS VEHICLE ENGINE 6 ...
Страница 257: ...Transmission Gear box explosive diagram P 6 5 ...
Страница 258: ...P 6 6 ...
Страница 259: ...INDEX OF TOPICS ELECTRIC SYSTEM 5 ...
Страница 272: ...PGO BR 500 ENGINE P 5 14 ...
Страница 273: ...INDEX OF TOPICS COOLING SYSTEM 4 ...
Страница 281: ...INDEX OF TOPICS MAINTENANCE 3 ...
Страница 303: ...INDEX OF TOPICS OPERATION 2 ...
Страница 318: ...INDEX OF TOPICS CHARACTERISTICS 1 ...