User Guide

10 Copyright 2010 Schneider Electric All Rights Reserved. F-27087-6
3 Insert a small screwdriver or a 1/8” steel
pin into one of the two holes at the top of
the valve shaft, then rotate the shaft to the
desired position.
4 To restore normal operation:
a. Rotate the valve shaft back to its original spring
return position.
b. Using a 10 mm wrench or socket, evenly tighten the
two nuts on the shaft clamp, applying 8 to 10 lb-ft
(11 to 14 N-m) of torque.
c. Restore power to the actuator.
2 Loosen the two nuts on the shaft
clamp, using a 10 mm wrench or
socket.
1 Disconnect power
from the actuator.
1
1
Alternate Method
If the actuator is not yet wired:
a. Loosen the wing nut on the underside of the mounting plate, then
slide the anti-rotation clip out of the slot on the bottom of the actuator.
b. Turn the actuator to the desired position.
c. To restore normal operation, rotate the actuator back into alignment
with the mounting plate, then slide the anti-rotation clip half way into
the slot on the bottom of the actuator. Tighten the wing nut to secure
the anti-rotation clip, being careful not to over-tighten it.
1 The position of the ball opening is indicated
by the index mark on top of the shaft:
Index Mark on
Top of Shaft
=
2-Way
Closed
(Fully CW)
Outlet
Inlet
Outlet
Inlet
Open
(Fully CCW)
B Full Open to AB
(Fully CW)
AB
A
AB
A
A Full Open to AB
(Fully CCW)
3-Way Mixing
Figure-7 Manually Opening Valve Assemblies Equipped with Mx40-704x Series Actuators–Old-Style Bracket.