33
Installation, Operation and Maintenance Manual
MAN 571_EAC Rev. 1
September 2020
Operation and Use
Section 3: Operation and Use
Figure 31
Adjustment of Operation Time and Oil Levels
To carry out the adjustment, use an adequate Allen wrench and follow these steps (Figure 32):
•
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 32
Flow Regulator
Closing
operation time
Opening
operation time
Lock nut
Cap nut
Setting screw
