Installation 14

Step 4: 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.

WARNING

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.

MODEL BG770: STANDARD ARM

Attach arm to the arm hub flange as shown in Figure 7.

Hub Flange

Gate Arm

Hex Bolt 1/2”-13 x 2-1/4”

Lock Washer & 1/2”-13 Hex Nut

01-G0674F9

Figure 7

MODEL BG770: OPTIONAL ARM

Attach arm to the arm hub flange as shown in Figure 8.

Figure 8

Doc 01-G0674

Rev E