![background image](http://html1.mh-extra.com/html/bandb-armr/4x0e-series/4x0e-series_installation-manual_3068883006.webp)
Installation and Operations Manual
— Model 400E Series
8
B&B ARMR
A Division of B&B Roadway and Security Solutions 0400E-9001 Rev J
1.1.2 Drive Stanchion
The drive stanchion supports the gate with the four main drive wheels and allows the
drive unit to mesh with the rack located on the underside of the gate beam.
Figure 2 Model 4x0E Drive Stanchion
Figure 3 Drive Unit