I have a 1977 raygo rascal 320a and after setting for about a year and now it wont vibrate, I took the solenoid valves apart and they look free and clean, this system looks really old, why two pumps? Before it all ways worked great and the solenoid on the left side has wires to it and the solenoid on the right never had any wires hook up and it worked fine with the switch. anyone work on these much ? thanks :Banghead
Maybe post some pictures if you can. Im more familiar with the dynapac or case packers. One of your pumps will be for the vibrator, and the other should be for your travel. Ensure that you are getting power to your solonoid, (just remove it and feel if its magnitized by touching it with a screwdiver) The solonoid that doesnt have wires to it should be for changing the dirrection of you eccentrics (used to change from high and low vibration, if your machine has that)