FOG QUADRA 493 9021 - Procedure Adjustment of the Flow Control Valve (Power Unit Hpi)

E 167 - GB - 6
56
Rue du Pré Neuf - 58440 MYENNES FRANCE
QUADRA
493 9021
493 9031
To adjust the flow control valve, proceed as follows :
- Remove the cap.
- Remove the cap nut.
- Release the lock nut.
- Operate the adjusting screw (6 mm hexagon key), see table.
- Adjust with pressure gauge: raise the lift at the top limit stop and operate
the screw to modify the pressure.
NOTA : To increase the pressure turn the screw clockwise (CW).
After test, reset the initial adjustment.
NOTA : The power unit is delivered for an initial adjustment of 245 bars.
IMPORTANT : Put a new cap after each intervention on the flow control valve
(Ref. : 942 0081).
Initial
adjustment
Adjustment for
dynamic test
Lift 3T STD 265 bars 285 bars
Lift 3T (Aux.) 290 bars 310 bars
Lift 3,5T STD 265 bars 285 bars
Lift 3,5T (Aux.) 290 bars 310 bars
Lift 4T 245 bars 265 bars
Lift 5T 240 bars 270 bars
Flow control valve
(located on the back side)
Pressure
gauge outlet
Adjustment of the flow control valve (Power unit HPI)