
MODEL 773 SERIES
REINFORCED CRASH ARM
B&B ARMR: A Division of B&B Roadway and Security Solutions
B&B ARMR reserves the right to change any information concerning product or specification without notice or obligation.
Contents
System Installation Record..................................................................................................................................... 4
1. INTRODUCTION ...................................................................................................................................... 5
1.1. Preface...................................................................................................................................................... 5
1.2. Safety Considerations............................................................................................................................... 5
1.3. Safety Symbols......................................................................................................................................... 6
1.4. Acronyms................................................................................................................................................. 6
1.5. How to Contact Us................................................................................................................................... 8
2. ORIENTATION ......................................................................................................................................... 8
2.1. Overview.................................................................................................................................................. 8
2.2. Arm........................................................................................................................................................... 9
2.3. Stanchion.................................................................................................................................................. 9
2.4. Drive System.......................................................................................................................................... 11
2.4.1. Electric............................................................................................................................................ 11
2.4.2. Hydraulic......................................................................................................................................... 11
2.4.3. Manual ............................................................................................................................................ 12
2.5. Options................................................................................................................................................... 12
3. INSTALLATION ..................................................................................................................................... 12
3.1. Introduction............................................................................................................................................ 12
3.2. Pre-Installation Considerations .............................................................................................................. 13
3.3. Installation Instructions.......................................................................................................................... 13
3.3.1. Step 1 –Excavation ........................................................................................................................ 14
3.3.2. Step 2 –Conduit and Rebar Installation......................................................................................... 14
3.3.3. Step 3 –Concrete Emplacement..................................................................................................... 18
3.3.4. Step 4 –Stanchion Installation ....................................................................................................... 18
3.3.5. Step 5 –Hydraulic Unit Installation (For models 773HD/HR only).............................................. 19
3.3.6. Step 6 –Control System Installation (For model series 773Ex or 773Hx only) ............................ 20
3.3.7. Step 7 –Arm Installation................................................................................................................ 20
3.3.8. Step 8 –Final Assembly................................................................................................................. 24
3.3.9. Options............................................................................................................................................ 27
3.3.10. Final Pre-operation Checklist....................................................................................................... 28
4. INITIAL STARTUP PROCESS............................................................................................................... 28
4.1. Startup Sequence.................................................................................................................................... 29
5. TROUBLESHOOTING............................................................................................................................ 30