8
Before the pillar nuts are tightened, make sure that the pillars are sitting on the valve mounting
bracket. If necessary, correct the position of the actuator by using manual operation. If these
instructions are not observed, personal injury or damage to the actuator and/or valve may result.
Leave 5 mm gap between
bracket and pillar nut
Appr. 5 mm
bracket
pillar nut
④
⑤
appr. 5 mm
Pillar end
Bracket
Move the coupling down until it hits the valve stem. Continue moving
until there is a 5 mm gap
between the pillar end and the bracket.
Screw the coupling nut
onto the valve stem until
the pillar edges rest on the
bracket.
⑥
Repeat ⑤ and ⑥ until the valve stem is screwed into the coupling
nut by 12 mm (M8 to M12) resp. 16 mm (M14 and larger).
⑧
Lock the coupling nut
⑨
Tighten the clamping screws crosswise with 8 Nm
⑦
⑩
Drive the coupling up or down, until the
edges of the pillars rest on the bracket
or
CORRECT WRONG
8 Nm
Tighten the pillar nuts
⑪
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