When you use the gravity drip feed oiling you put the case or whatever you put the oil in above or put it to the side of where it needs to be oiled. Then it drips thru a needle valve at a rate that is suitable for that job. You should use the flow rate…
Read moreThis control is made to control the amount of horsepower at maximum force that it is required for this type of compensated pump. It has three settings that set the limits on that particular jobs performance on that unit. There is a sense line that is needed, so it connects to the line that goes…
Read moreListed below are the specs for these types of pumps. Silventvane 20/25 Twinvane 25 SAE threaded connection or 4 bolt flange come automatically on the pump Pressure settings SV-20 – 750 and 2000 PSI max outlet pressure SV – 25 – 750 and 1500 PSI max outlet pressure TV – 25 -1000 PSI max outlet…
Read moreWhat is a hydrostatic transmission? A hydrostatic transmission consists of a variable-displacement pump and a fixed or variable displacement motor, operating together in a closed circuit. In a closed circuit, fluid from the motor outlet flows directly to the pump inlet, without returning to the tank. As well as being variable, the output of the…
Read moreWhen you don’t need the relief valve parts (8,9,10,11 & 12), these are being changed with the charge relief valve parts (23,24,25,26 & 27. Now the port where the charge relief valve parts use to go is abetted. Now you will need to take off the plug #23, take out the spring #26 and poppet…
Read moreThis has an optional by pass valve that lets you move equipment a short space, so that you don’t have to run without the prime mover running. On an “U” class, you can add a screw in the valve that lets you open and connects both ends of the pump circuit and fixed motor is…
Read moreThe B Pad auxiliary mounting flange has been changed on these models: 42, 130, 180 and 250cc. All the pumps will be changed to a new arrangement. The older units used a large cross section o ring. The groove in the flange will have a larger o ring in it (.103″) versus what it did…
Read moreIf your solenoid regulator valve has a bore that needs some attention, there are other ways to deal with this. Sometimes you can use a drop in valve, that is made to be in the areas that haven’t been affected in the valve body bore so that it doesn’t stick and you will not have…
Read moreThe A Pad auxiliary mounting flange has been changed on these models: 42, 130, 180 and 250cc. All the pumps will be changed to a new arrangement. The older units used a large cross section o ring. The groove in the flange will have a larger o ring in it (.103″) versus what it did…
Read moreIn order for the charge pump to run better, they have eliminated some of the parts. The frame size is being modified and the outer port plate is a big part of the charge pump cover and the distance plate is being done away with. You do have some different auxiliary pad to choose from….
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