Part No. MAN, Rev. EH. Wachs Operating the ERV-750 This section describes how to setup the ERV-750 for use. Detailed instructions on operating the ERV-750 are in the ERV-750 Extended Reach Valve Exerciser User’s Manual, which is provided with the ERV-750. Trailer Systems without a TM-7 For VMT-1 trailers without a TM, the ERV-750 is plumbed directly to the hydraulic tank. The ERV-750 does not require any additional hoses. 1. Push in the auxiliary knob on the hydraulic tank to enable hydraulic flow through the valve exerciser ports. Figure 5-77. Push in the auxiliary knob to enable flow to the ERV-750.
Chapter 5, Operating Instructions Valve Exerciser E.H. Wachs Part No. MAN, Rev. 1-0809 For trailers with the hydraulic hose reel option, it maybe necessary to disconnect the hydraulic hose reel from the tank. On trailers with both a TM and ERV-750, the ERV- 750 and hydraulic hose reel share the auxiliary circuit. Trailer Systems With a TM-7 1. For VMT-1 trailers with a TM, connect the hoses from the ERV-750 to the auxiliary hydraulic ports on the front of the hydraulic tank. Figure 5-78. Connect the hoses from the ERV-750 to the hydraulic tank (systems with TM also. Connect the pressure-side hose to the P connector and the return (tank) hose to the T connector. 2. Pull out the auxiliary knob on the tank to enable hydraulic flow through the auxiliary ports. Figure 5-79. Pull the auxiliary knob on the front of the hydraulic tank. NOTE