Mp Sava3 Valve Block; Description Of Valves; Unit Operation - MP sava3 Technical Manual

2.2. MP sava3 Valve Block

2.2.1. Description of Valves

Pressure switch
YD Electrovalve
(descent) with adjustment
screw
+ YE (emergency)
7
Testing screw
of the rupture
valve
Adjusting screws names

2.2.2. Unit operation

Connected Adjustment
5
C
3
4
YD YR
V700 - 11/2017
YR Electrovalve
Starting
(for speed
Electrovalve YS
change)
(-A3 optional)
2
1
3
4
5
6
Manual lowering
pushbutton
TO CYLINDER
FLOOR Adjustment Connected
B
4
3
A
2
D
FLOOR YR MOTOR
Manometer
protection key
Magnetic Sensor
Bypass Valve
SVC
1: Pressure relief valve adjustment
2: Upwards acceleration adjustment
3: Upwards/downwards deceleration adjustment
4: Levelling speed adjustment
5: Down speed adjustment
6: Cylinder minimum pressure adjustment.
7: Hand pump relief valve adjustment.
A Point Upwards deceleration signal.
Place at an S distance from the floor level equal to
�� ( �� ) =
B Point Motor disconnected signal.
C Point Downwards deceleration signal.
Place at an S distance from the floor level equal to
�� ( �� ) =
D Point YD Electrovalve disconnection signal
For direct starting, motor idle time approx. 0,5 seconds
Change to D
Connect in Y for 2 seconds approx
D
YS -
Y-
14/40
MP sava3 Hidraulic Power Unit 1 ¼" 1 ½"
Hand
pump
lever
2
��
+ 0.2 = 0.77 �� ; ������ �� = 0.63 ��/��
0.7
2
��
+ 0.2 = 0.77 �� ; ������ �� = 0.63 ��/��
0.7
Y- D starting
MTMECMPsava3_700_EN
Magnetic Sensor
Descent Valve
SVD
Hand pump
bleeding