HYDRAULIC CIRCUIT DIAGRAM
The pump is pre-set at 16 bars. To check pressure, use an oil-bath manometer. Pressure can normally be set
between 16 and 22 bars.
PUMP PRESSURE ADJUSTMENT
NOTE: Though a self-priming pump, ring fuel feeding is recommended (0.5
Legend
G1
1st nozzle
G2
2nd nozzle
Filter
F
P
Pump
VS
Safety valve
VE1 1st stage solenoid valve
VE2 2nd stage solenoid valve
Legend
1 Suction
2 Return
3 Nozzle
4 Manometer connection point
5 Vacuum-meter connection point
6 Pressure adjustment screw
7 Pump cover screw
÷
1 bar).
23