ENG
D
ISTRIBUTOR
3010
I
NSTALLATION
,
U
SE AND
M
AINTENANCE
14 / 28
10991838
EN
-
0.02
- 04.02.2021
3
ADJUSTMENTS, CHECKS AND TESTS
Before making adjustments, read the entire chapter carefully.
ATTENTION
All the operations described must be carried out strictly by a competent person with the qualification
of installation worker, in charge, adequately trained, with the necessary instructions.
3.1
JACKS ADJUSTMENTS
3.1.1
RUPTURE VALVE
Before performing these distributors adjustments, make sure that the rupture valve is correctly calibrated
according to the its manual
3.2
DISTRIBUTOR ADJUSTMENTS
Distributor adjustments must be made after the system installation is complete.
3.2.1
ADJUSTMENT OF THE MAXIMUM PRESSURE VALVE (VS)
To adjust the maximum pressure valve:
1. Refer to the hydraulic circuit diagram of the distributor;
2. Close the shut-off valve (R/S). [the lever must be at 90 ° with respect to the pipe directed to the piston]
3. Open the pressure gauge tap (6)
4. Start the motor/pump
5. Check the pressure value on the pressure gauge (MAN)
If the value matches the one required by the documentation
supplied with the system (140% of the maximum static
pressure - EN81-20 §5.9.3.5.3.2) go to point 11
If the value does not match the one required:
6. -Loose and remove the protection cap of the adjustment
screw on the safety valve (1).
7. -Loose the counter nut of the screw (1).
-
Tighten the screw (1 CW) to increase intervention
pressure
-
Loose the screw (1 CCW) to decrease intervention
pressure
8. Reach the required pressure value by checking on the
pressure gauge (MAN)
1. Tighten the counter nut of the screw (1)
2. Mount and tighten the screw protection cap (1)
3. Stop the Motor/Pump
4. Reduce the pressure on the pressure gauge (MAN) by pressing the VMD
or the push-button (ML).
5. Close the pressure gauge tap (6). Open the shut-off valve (R/S)
3.2.2
ADJUSTMENT OF THE ACCELERATION
For a correct and safe adjustment of the acceleration, refer
to the following procedure:
1. Loose the counter nut of the upward acceleration
adjustment screw (4).
2. Tighten the screw (4 CW) until the neck is closed .
3. Referring to the operating manual, call the car upward;
it will be seen that the car does not move.
4. Loose the screw (4 CCW) to obtain the desired
acceleration .
5. Tighten the counter nut of the screw (4).