18
October 2020
Installation, Operation and Maintenance Manual
VCIOM-15792-EN Rev. 0
Section 3: Operation and Use
Operation and Use
For the adjustment in Bettis GVO LP DA with hydraulic manual override the mechanical
stop is placed on the end flange of hydraulic cylinder, follow these steps (Figure 12):
1.
Remove with the specific wrench (c1) the plug (t).
2.
Insert a wrench for Allen keys (c2) in the through hole until reaching the adjustment
pin (g).
3.
Keep the protection cover blocked with the special wrench (c3).
4.
Turn counterclockwise to increase the angular stroke, turn clockwise to decrease it.
5.
When the adjustment is over tighten the plug (t).
Table 4.
Size Table
Hydraulic cylinder size
Wrench C1 (mm)
Wrench C2 (mm)
Wrench C3 (mm)
075
22
10
36
100
22
10
36
135
22
10
36
175
22
14
46
200
27
14
46
235
27
17
65
280
27
17
65
300
36
17
110
Figure 12
Mechanical stop of the cylinder (for MHP version)
