December 2020
Installation, Operation and Maintenance Manual
MAN 606 Rev. 5
Operation and Use
26
Section 3: Operation and Use
Lock nut
Acorn nut
Adjustment screw
To carry out the adjustment, operate the handwheel (turn clockwise the handwheel to
increase the operating time or turn the handwheel counterclockwise to decrease the
operation time).
For OLGA actuator with Manual Handpump, the operating time is adjustable through two
regulation valves placed on manual handpump body (see Section 7.2, Figure 35).
To carry out the adjustment, use an adequate Allen wrench and follow these steps
(Figure 25):
•
Remove the cap nut.
•
Loosen the locknut.
•
Screw with a screwdriver the setting screw to increase the operation time.
•
Unscrew with a screwdriver the setting screw to decrease the operation time.
•
After the adjustment is over screw the locknut and put back in place the cap nut.
Figure 25
Flow regulators placed on Manual Handpump