14
Installation
Doc 01-G0665
Rev C
Control Arm Assembly
1 SW490:
Set the control arm stops on the operator in the positions appropriate for the
installation. Then install the control arm and hub assembly to the operator output shaft. Make
sure key is inserted properly in keyway. Lock with set screw.
01-G0665F20
SW490
PARALLEL
TO FENCE
ONLY
Figure 7
2
Attach control arm extension to control arm on operator with (2) 3/8-16 x 1” long hex head
bolts and lockwashers. Use holes that are appropriate for degree of gate opening required.
0 1 -G 0 6 6 5 F3
Figure 8
3
Assemble the (2) extension arm holders, one to the gate bracket and one to the extension
arm, using bushings, 3/4 –10 x 3” bolts and 3/4” nuts, flatwashers and lockwashers as shown
in Figure 9.
Position the pipe into the extension arm holders to complete the arm assembly. Insert (2) hex
head set screws in each holder to hold pipe firmly.
Do not
tighten until final adjustment is
made.
