AUMA SQEx 05.2 Manual page 16

Assembly
16
ð Information: Ensure that the spigot (if provided) fits uniformly in the recess
and that the flanges are in complete contact.
7. If flange bores do not match thread: Slightly rotate handwheel until bores line up.
8. If the bores do not align even after rotating the handwheel, shift the actuator by
one tooth on the coupling, if required.
9. Fasten actuator with screws.
10. Fasten screws crosswise to a torque according to table.
Table 9: Tightening torques for screws
UNC threads M threads
1/4" M6
4/16" M8
3/8" M10
1/2" M12
5/8" M16
3/4" M20
Tightening torques for screws ft-lb [Nm]
Strength class A2–80 / A4-80
7 [10]
18 [24]
35 [48]
60 [82]
148 [200]
289 [392]