News and Helpful Videos

To tell the orientation of a shaft rotation, look at the unit that has the shaft pointing at you and the idler gear that is under the shaft. Your inlet port should be on the left and outlet to the right. The flow goes in the other direction with counter clockwise rotation. While flipping the pump gives you the opposite of the inlet and outlet ports but not how it rotates. To know the weight of a pump or motor that has SAE 4 bolt mounting you will need to look at table one and the add on gears from...

In this breakdown you can see it tells about several features: Control Valve Assy. Cover Sub Assy. Seal Kit Pressure Plate Rotor Vane Kit Cartridge Kit It breaks it down how the parts go in the pump. Shows where the screws, bolts, washers and orings go. This is also helpful when you need to order parts or for you to show to a mechanic so they can repair your unit. It shows which models take what. That is why it is good to have your model number, part numbers and serial numbers off the machine and pump/motor. Let us know...

The two position six ported selector valve is double selector valve that makes the flow of oil to go into two different circuits. It lets the two double acting cylinders have a one four way valve that also acts as four single acting cylinders that have two three way control valves. You will need to know before hand how you want to do this before you put the pressure on. A valve spool is a crossover spool, one outlet port begins to close and the other one starts to open. The minimum operating pressure is 2000 PSI on models DS-75...

These breakdowns tell what parts are needed for which model number, flanges, what filter elements and so for these types of large return line filters. And show how they are assembled. Also if you want to order parts this would be good to have for that. And to take to a mechanic to help with your filter and how it goes on your machine. You may want to redo your switch so that it makes contact and breaks with the by pass piston movement and seats at about .12 inch open. If you have a black square beside it –...

John Deere 755B Crawler Fuel Injection Pump If your injection pump drive gear has to be replaced, you will need to make sure there is exact engine timing.The pump drive gear needs to be held against the front plate, put pump shaft (A) and index pin (B) in alignment with pump drive gear slot.The shaft roll pin could easily be damaged due to the drive gear is tightened when it is assembled wrong. The pump drive gear shouldn’t move when you put in the pump index pin into the slot.Next put in the injection pump half way onto the mounting...