Controlled Products Systems Group BG7705011 - Manual (Page 8)

8
ARM ATTACHMENT
For easier access during installation, the top cover of the unit
may be opened by removing the two wing nuts from underneath,
inside the cabinet.
MODEL BG770: STANDARD ARM
Attach arm to the arm hub flange (Figure 5).
MODEL BG770: OPTIONAL ARM
Attach arm to the arm hub flange (Figure 6).
When following the procedure below, the motor belt will turn
and the drive shaft will move during some of the steps. Keep
hands and tools out of the gate cabinet and away from the
belt and drive shaft or SERIOUS INJURY may result. Be sure
to DISCONNECT power while installing the arm attachment.
WARNING
CAUTION WARNING
WARNING
I N S T A L L A T I O N
Gate Arm
Hub Flange
Hex Bolt
1/2"-13 x 2-1/4"
Lock Washer and
1/2"-13 Hex Nut
Figure 5
(4) Hex Bolts Threaded Rod See Detail A
See Detail B
Hex Bolt
Flat Washer
Hex Nut
Flat Washer
Threaded Spacer
Flat Washer
Flat Washer
Hex Bolt
(2) Flat Washers
Hex Nut Hex Bolt
(2) Flat Washers
Hex Nut
Extension Arm
Allenhead Screw
Lift Arm
Figure 6