NIBCO Rubber-Seated Butterfly Valves User Manual
Page 9
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VI.
MEMORY STOP INSTALLATION INSTRUCTIONS –
2” THRU 24” SIZE VALVES ONLY
1. Remove the two screws holding the top cover (Indicator Pointer) on to segment gear.
Discard cover and screws.
2. Place indicator (5) supplied with kit around bottom hub (4) and align key (6) on bottom
hub with slot in segment gear and slide into place.
3. Attach with two M4 x 12 flat head screws (3).
4. Remove once cap screw (1) holding cover onto gear operator housing and replace with
stop pin (7).
5. Use cap screw (1) to secure the top hub (2) to the bottom hub (4). Top hub can be
moved 360 degrees in 5 degree increments.
6. Tighten cap screw (1) once top hub is appropriately set.