PEUGEOT 504 Series 1970 Workshop Manual page 92

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PETROL INJECTION ENGINE
LIFT PUMPS
0
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CHECKING THE FEED PRESSURE
Tools to be used.
8.0112
w
Petrol iniection engine tool chest
JZ - Pressure gauge.
- Install the pressure gauge as shown opposite.
- Switch on
the
ignition.
- The pressure must be between l and 2.5 bars.
- If the pressure is lower than 1 bar, check .
- the amount of fuel
tn
the
tan~.
- the fuel line connecttons on the tank,
- the pump feed voltage : 12 V ± 0.1 •
- the circuit for leaks,
the condition of the pre-filter and the degassing
filter cartridge.
Repeat the check and. if necessary. replace the
pump.
If the pressure is higher than 2.5 bars, check :
the pump intake filter
(1 ),
- the jet
(2)
in
the hydraulic head. after removing
the union,
the return lines.
N.B. - A pressure of slightly more than 2.5 bars will
have no ill effect on the operation of the injection
pump.
Reconnect the fuel line to the electrovalve, using
new sealing washers.
3.72
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