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John Deere Crawler 655B/755B – Charge Pump Removal & Installation

When putting on a charge pump you will need to know if it is right or left hand. On a left hand charge pump has the transmission control pump. You can take out the charge pump without taking out the transmission. Make sure you clean the transmission before you take out the charge pump. Take […]

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Sundstrand Series 90/55cc Charge Relief Valve

They are making the charge relief valve adjustable in a wide variety of pressure changes that are for 290m 348 and 406 PSI. It also changes the poppet and plug. It may stick out from the pump end cap alittle more than the older model. You will need to put in a gauge to tell

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Rexroth Hydraulic Cylinders and Repair Kits

Rexroth Hydraulic Cylinders 1 1/2″ – 14″ Bore and Repair Kits In the diagrams and charts you will find the bore sizes and repair kits for this. On the bore chart if you see a (t) like symbol by it, it means the quantity may be more depending on mounting and bore size. All the

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Sundstrand 90 Series 55cc Swashplate Leveler Spring Seat and Servo Pressure Relief Valve Change

One of the changes made is that there will be shims go in between the swashplate leveler springs and the end cap in the pump. They have changed the leveler spring seats into a hardened piece, so there are two pieces now. Use to the seats were made into the leveler. This will make a

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Parker Torquemotor – General Information

The series of motors that this is for are the TF, TG, TH and TL. They have a industrial strength thru and roller bearing for loads that the capacity is two sided loads. The roller vanes are made to cut down on friction and leakage, and give the best performance. The TF Series The way

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DRT 1/2 Counterbalance Pilot Pressure Control On A Load Pressure Control

If you do not have pilot pressure for the pump it puts it on stand by. When you have pilot pressure for the pump it increases the pressure while it depends on the transmission issue of using the DRT1 or DRT2. This type of control is made just for load pressure control. If you look

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Vickers Vane Pump V100, V200, V300, V400, V500 & V2P Series

In the diagram below you will see how the fluid flow is done in the pump cartridge. The rotor is determined by the ring that is beside the driveshaft, that is latched onto a power origin. When the rotor turns, the centrifugal force on the vanes makes it to where it goes behind the elliptical

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Different Mounts for Cylinders and Dimensions of Rods for Cylinders

These hydraulic cylinder diagrams and charts tell about different features. You can have flange mounts and trunnion mounts. There are accessories that can be added like a female eye, female clevis and pivot pin. Tell which parts numbers have that feature. Next there are Rod Diameters for UT, ST and NW Series Cylinders. This chart

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