M9310 Series Electric Non-Spring Return Actuators Installation Instructions
4
4.
Slip the actuator onto the shaft and fully tighten the
set screw on the coupler according to Table 2.
5.
Lightly tighten one side of the anti-rotation bracket
to the mounting surface.
6.
Swing the anti-rotation bracket under the actuator
until it reaches the middle of the slot on the bottom
of the actuator.
Table 2: Shaft Diameter and Required Torque
Shaft
Diameter, in.
(mm)
With Insert
Without
Insert
3/8
(9.5)
1/2
(12.7)
5/8
(16)
3/4 (19)
5/16
(8)
13/32
(10)
1/2
(12.7)
5/8 (16)
Required
Torque,
lb·in
(N·m)
125
(14.1)
Half-Turn Past Hand-Tighten
Figure 11: Slipping the Actuator onto the Shaft
FI
G:Ti
g
h
te
n
Act
u
a
to
r
Figure 12: Attaching the Bracket
F
IG:
Pl
ac
in
g Br
ac
k
et
Figure 13: Securing the Anti-Rotation Bracket to
the Damper Frame
F
IG
:M
o
un
te
d
A
ctu
at
o
r