INSTALLATION
MANUAL
MODEL 773 SERIES
REINFORCED CRASH ARM
B&B ARMR: A Division of B&B Roadway and Security Solutions
Page 11 of 38
0773-9001 Rev D
B&B ARMR reserves the right to change any information concerning product or specification without notice or obligation.
Figure 5 – Subterranean Foundations
2.4.
Drive System
The drive system options are:
2.4.1.Electric
The 773ED, or remote mount version 773ER, barrier operates with a self-contained
electric drive actuator. A 773ED/ER contains the actuator components, the electrical
components and a programmable logic controller pre-programmed with the barrier's
operating logic.
The unit includes a manual operation override so the arm can be raised and lowered
during power outages.
Refer to the separate Installation (IM) and Operation and Maintenance (O&M) manual
for specifics on the Electric drive.
2.4.2.
Hydraulic
The 773HD, or remote mount version 773HR, barrier operates with a self-contained
hydraulic pumping (HPU) unit. A 773HD/HR contains the hydraulic pump, control
valves and connections and the programmable logic controller pre-programmed with the
Subterranean
concrete foundation
w/ rebar
reinforcement
Cast Retention
Plate w/Anchor
Bolts
Drive
Foundation
Receiver
Foundation
