Here are some charts, diagrams and breakdowns that will help you on this particular pump. This is a variable Volume Vane Pump. Call us at 662-871-8403 or email us at sales@tupelohydraulics.com for more help on this unit
Here is a list of the parts that go into the makings of a cylinder. ports and fittings spherical rod eye alignment fittings spherical ball bushings butt plates polypak pistons mp detachable mounts cylinder head caps head glands eye brackets/clevis brackets internal threaded ductile heads cushions cylinder base connection Single-acting cylinders Hydraulic fluid goes …
On the new models the MDC, the trepan groove has been taken out from the two servo ports on the control. So now you will need washers put into the two servo ports. The washers are put in all the kits now. You will need to put the orings in the servo port outlets. Put …
Sundstrand Series 20 Manual Displacement Control Read More »
If your unit uses a lip seal, the kits has a shaft seal, retaining ring and spacer. You will only need the spacer if you have profound use out in the field. The spacer has the seal in a different place on the shaft sealing region. Before you install this, make sure the shaft sealing …
Rexroth Column Strength & Oversize Rod Selection Pull stroke procedures emphasize using standard rod diameter. And to determine that use these steps. First figure out the value of “L”. Then from the cylinder size and the highest operating pressure you can figure out the pull stroke from the thrust. You will be about to see …
Rexroth Column Strength & Oversize Rod Selection Read More »
The feedback link changed in the sense on the new models there is no need for the counter bore for the swashplate link. It gave more clamping power for loads that were put together with the servo arm. But now the bore is not needed anymore, instead they changed the servo arm. You will be …
Sundstrand Series 90 Feedback Link & Side Cover Insert Read More »
They want be putting R for right hand or L for left hand on the flange anymore. Instead the pilot surface is what is changing on the covers. The RH rotation will have 1 step and the LH rotation will have 2 steps. The model it affects is the 90-42cc thru 100 cc pumps that …
Sundstrand 90 Series 55cc Cage Locator and Auxiliary Flange Charge Pump Cover Read More »
ohn Deere Excavator Hydraulic Pump Repair Center is a John Deere Excavator Hydraulic Pump one stop shopping for all John Deere Excavator Hydraulic Pumps. We offer John Deere Excavator Pumps and John Deere Track Hoe Hydraulic Pump Repair, John Deere Excavator Hydraulic Pump Exchange, New John Deere Excavator Hydraulic Pumps and We Sell John Deere …
Excavator Hydraulic Pump Center For John Deere’s Read More »
This change will affect these models, 90-55, 75 and 100cc variable pumps. They added a rubber gripping element on the pin that goes in the main pump housing. It helps in retaining the pin in the housing while in normal pump assy. It also helps in servicing parts, maximizing the interference fit that is between …
Sundstrand Series 90-55cc Swashplate Bearing Cage Locator Pin Change Read More »
Our Cessna hydrostatic pumps and motors are rebuilt and tested to manufacturer specifications. Each unit comes with a warranty. You may also be interested in our exchange program. To reduce your down-time, we have a hydrostatic exchange program. We will ship you a quality tested and warranted rebuilt unit in “short-time”. We also offer an installation …