Cylinder Information

A collection of all cylinder information.

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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Sundstrand Series 90 Servo Arm Change

The new design is a press fit that goes into a groove in the new swashplate. It takes a special kind of machining for this so it will come as a kit. The parts are already assembled and used on 55, 75 and 100cc units. The parts will go in the vintage pumps. But the …

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How Vane Pumps Work

A rotary vane pump is a positive displacement pump that consists of vanes mounted to a rotor that rotates inside a cavity. In some cases these vanes can have variable length and/or be tensioned to keep contact with the walls as the pump rotates. It was invented by Charles C. Barnes of Sackville, New Brunswick …

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Sundstrand Series 90 – Changes to Block Point

At Sundstrand they are are striving to make alot of their parts better, which means Block Point changes. It will reduce the amount of parts being used or redesigning the part altogether. It will make the part more stable and last longer. And on older styles models most, if not all the parts you will …

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Vickers Vane Pumps

Flood all parts with system fluid at assembly to offer initial greasing. Put “O” rings into inlet body and vanes into rotor with radius edge of both vanes outward. Place rotor and vanes on inlet body.Mount ring over rotor and vanes with arrow or ring pointing in direction of rotary motion. Then add the two …

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Series 40 -Sundstrand Sauer – Start-Up & Maintenance

Fluids Hydraulic fluids used with Sundstrand-Sauer products should be selected with assistance from a reputable supplier, (Hydrostatic Transmission),following the guidelines presented in the “Fluid Quality Requirements” bulletin, BLN-9887. Start-Up Procedure It is important to follow the procedures for a new Series 40 – Sundstrand Sauer Hydrostatic Transmission for installing or restarting an installation on a …

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Sundstrand Sauer Series 40 – Changes in Shafts

These will affect models M25, M35, M46 and LV pumps and motors. It changes from a woodruff key shaft to a straight key on a tapered shaft. The shafts that have the woodruff shafts are no longer available. You can get it for service requirements, but if it is replacement it will go to a …

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