ENG
1.01
1 0991 497
EN
-
24.03.2017
9 / 16
3010
¾”
V
ALVE
M
ANUAL
I
NSTALLATION
,
U
SE AND
M
AINTENANCE
2.7
HYDRAULIC CONNECTIONS
12 ÷ 23
3010 ¾”
1/2
”
½ X ¾
¾”
/
¾” X ¾
3/4
”
½ X M30
NON GMV
22
¾” X M30
WARNING
Be care to keep clean the hose.Dirty inside may damage the piston and valve seal to affect the proper
system operating.
2.7.1
CONNECTION WITH HOSE
-
Remove the end fitting of the ball valve, the nut and the locking ring.
-
Make sure the terminal fitting is well secured to the shut-off valve.
-
Clean and lubricate with oil the thread and the housing of the connector.
-
Fix and tight the hose to the fitting.
2.7.2
RIGID PIPE CONNECTION
-
Cut the end of the tube at 90° (use a hack saw, DO NOT USE
A TUBE CUTTER).
-
Lightly file (make smooth) the inside and outside edges of the
pipe.Pay attention to avoid any chips into the pipe.
-
make sure that there is no dirty inside the pipe,as this may
cause a damage to the gaskets (seals) of the piston and the
valves jeopardising the correct functionality of the system.
-
Remove the nut and the compression-fitting ring from the
silencer joint.
-
Insert the compression fitting ring as shown in the figure.
-
Make sure that the silencer joint is tight.
-
Clean and apply a thin layer of oil to the thread and the joint
area.
-
Insert the tube to the 24°cone.
-
Turn the nut to completely tighten the compression-fitting ring.
-
Use two wrenches and tighten the nut until the ring comes in
contact with the pipe and no more rotation is possible.
3
ADJUSTMENTS AND TESTS
See references on page 3
3.1
ADJUSTMENT OF THE MINIMUM PRESSURE UPWARD – N° 11
-
Close the ball valve (S)
-
Start the motor-pump (refer to the controller manual).
-
Tighten screw (11) to get 5-6 bar pressure.
-
Tighten the lock nut (11).
-
Re-open the ball valve (S).
-
The adjustment is finished.
3.2
ADJUSTMENT OF THE OVERPRESSURE – N° 1
-
Open the shut-off valve of the manometer (RUB).
-
Close the ball valve (S).
-
Loosen the lock nut (1).