This course is intended for experienced technicians to gain knowledge and understanding of Level Barrier Pedestals (Type BR843) controlling level crossings seen on UK Mainline railways. The course includes learning basic maintenance and involves an insight into fault-finding techniques, predominately on the BR843 pedestals. · Personal and Operational Safety · BM843 Barrier Components - Description and Operation - Barrier Cabinets - Circuit Controlling - Barrier Machine Guard Cages - BR985 Electro-Hydraulic Power Pack · Lifting Barrier Boom - Description and operation - Boom Weights, fixings - Fixings and detection - Mechanical Installation · Component Replacement · Faults and Reliability