Malaguti SPIDER MAX GT 500 Manual Diagnóstico página 195

SPIDER MAX 500
Check the system sealing.
Start the pump for 30 seconds by means of
the diagnostic multimeter.
After stopping the pump, wait for 3 minutes
and check the system pressure.
Fuel pressure = > 200 KPa (2 BAR)
This intervention increases the fuel pressure.
Verify whether the pressure decreases at the same rate when the system is free from
compressions.
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69
The pressure is lower: check with care the pump
voltage during work
In case the voltage is higher than 12 V, replace
the pump.
The system is properly sealed. Repeat the
test. After stopping the pump, use a pair of pliers
with flat and long ends to close the return hose
acting only on the extension of the diagnostic
wiring.
F. 27/c
The pressure decreases at a remarkable
lower rate.
Replace the pressure regulator (p. 75).
Check again the system sealing.
12/04
B