33 12 16.26 - 001-A - Response AAN-ANR Butterfly Valves - Garney ...

Operation instructions Worm gearboxes GS 50.3 – GS 250.3
10.2 Changing the swing angle for sizes GS 160.3 – GS 250.3
Remove all bolts (054) and pull off protective cap (16)
(figure J).
. Remove screw (082) with washer (058) and setting ring (34).
Increasing the swing angle
Turn end stop nut (15) back counterclockwise.
.
Move valve into the desired end position.
Turn end stop nut (15) clockwise until it is tight up to the stop nut (7).
Reducing the swing angle
Move valve into the desired end position.
Turn end stop nut (15) clockwise until it is tight up to the stop nut (7).
Place setting ring (34), secure with washer (058) and screw (082).
Check O-ring (056) and replace, if damaged.
Place protective cap (16), fasten bolts (054) with lock washers (055).
.
Fasten bolts crosswise with a torque according to table 3.
If gearbox is mounted to a multi-turn actuator, set limit switching again for the
end position OPEN according to the operation instructions SA/SAR. Allow for
overrun.
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