Tye,
As the other gentlemen have posted, you DEFINATELY need a relief valve!!Actually you need a main relief valve, and circuit relief valves. You should have a main relief that is before the valves that is set a few hundred psi HIGHER than the circuit reliefs. this keeps it from being over worked, while allowing a back-up incase one of the circuit reliefs stick or become damaged. You need a relief valve for each function of your system, that is set a few hundred psi lower that the main(as stated ealier). SUMMARY: If you are building a loader, you should have 5 reliefs total. (1) main (in the pressure line leading to control valve or in control valve ahead of circuits), (1) for loader up, (1) for loader down, (1) for bucket rollback, (1) for bucket dump. If you have any questions, please E-Mail me. I don't like hearing about people being blown apart by shortcuts, so Please use a main relief also. These are for safty, and to control expenses of EXPLODING pieces. Pat
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