Part No. MAN, Rev. 1-0809 29 ERV-750 Extended Reach Valve Exerciser The ERV-750 is an extended-reach hydraulic valve exerciser mounted on a pivoting, telescoping arm. It can reach valves up to 11 ft from the curbside of the trailer, and provides up to 750 lb-ft of torque. Figure 3-21. The ERV-750 valve exerciser extends on a pivoting, telescoping arm. The ERV-750 includes a ruggedized handheld controller/ data logger for operating the machine and collecting valve exercising data. The controller is available with optional GPS capability (either standard or submeter resolution) for automated valve locating and logging. The controller is available separately (79-410-00) if a spare or replacement is needed. The hydraulic pump option must be installed on the VMT-1 to operate the ERV-750. Purchase the ERV-750 installation kit (79-401-00) to retrofit an existing VMT-1 trailer with the ERV-750. The ERV-750 is supplied with a separate manual for operating instructions and parts/service information.