I have 2 of these machines and one is worse than the other to the point we’re the machine shuts off with a heavy load I have replaced the pressure relief valve on the control valve assembly and the one on the pump I was first told it could be the accumulator not being precharged and I purchase a new one and got it precharged and it still doing the same thing so now I’m going to start checking everything else I was hoping someone has had and resolved this issue what would you suggest checking thanks in advance