3.
Turn end stop [2] after reaching the CLOSED position using ring spanner
clockwise until stop. With mounted multi-turn actuator (not required for manual
operation): Turn end stop [2] counterclockwise by 1/4 turn.
➥
This ensures that the gearbox end stop cannot be reached during motor oper-
ation if a multi-turn actuator is mounted and that the valve can close tightly for
torque seating.
4.
Fasten screws [1] crosswise with a torque according to table.
Table 6:
Tightening torques for screws at end stop
Tightening torque T
A
[Nm]
Screws [1]
Gearbox
392
M20
GS 315
1422
M30
GS 400
2481
M36
GS 500
Further settings hereafter:
●
If the gearbox is equipped with a pointer cover: Check whether the mark aligns
with the symbol CLOSED. Refer to <Set mechanical position indicator>.
●
If the gearbox is mounted to a multi-turn actuator, set the seating in end position
CLOSED straight after completion of the current setting position: <Seating in
end positions via multi-turn actuator>.
6.1.2.
Set end position OPEN (butterfly valves) or modify swing angle at gearbox
The swing angle must only be changed if the swivel range for end stop setting is not
sufficient.
Figure 16: Name plate indicating the swing angle
Adjustments are generally made in end position OPEN.
22
GS 315 – GS 500
Commissioning
GZ 30.1 – GZ 40.1
