OLGAS-H
– High pressure spring return hydraulic actuator
Use and maintenance manual
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Pag. 28
Contents may change without notice
3) If the stop-screw is too hard to be operated, reduce or remove the
cylinder pressure, in order to move the mechanism far from the
screw. Operate the setting-screw and then pressurize again the
cylinder to reach end position.
4) If the actuator angular stroke is stopped beyond the end position,
screw the stop screw by turning it clockwise until the valve
reaches the correct position.
5) Tighten the lock nut, after having correctly placed the threaded
seal washer “s” and “w”.
To operate the adjustments refer to followings tables:
SPRING
CONTAINER
SIZE
WRENCH C1
(mm)
WRENCH
C2
(mm)
006
46
41
008
46
41
009
46
41
0100
46
41
0150
46
41
SPRING
CONTAINER
SIZE
WRENCH C1
(mm)
WRENCH
C2
(mm)
0200
17
60
0350
17
60
0400
17
60
0700
17
60
1100
17
80
1200
17
80
2000
17
80
2500
17
100
3800
17
100
5100
17
100
5400
17
100
8300
17
100
9600
17
100
9800
17
100
11000
17
100
15000
17
130
15600
17
130