Andrew Soper

Eaton Neutral Lockout ID & Assembly In Open Position

Identification There are 2 different sized of this adapter, make note of which one you will need. Tne newest model has a 9/16″ thread on the switch and the older one has a 3/4″ thread on the switch. So when you need to order another kit, the adapter will be in there. Also, the new …

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Sundstrand Series 90-75cc Motor – Loop Flushing Spring & Seat

The units that are affected by this are the 42cc, 55cc, 75cc and 100cc. On your older design the spring and the spring seat were set apart on the motor. The new way is designed has two parts that go into a one part assy. And it will make putting it together a whole lot …

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SV25 Hydraulic Variable Volume Vane Pump

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

Different Types of Cylinders

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 …

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Sundstrand Series 20 Manual Displacement Control

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 …

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Sundstrand Series 54 Lip Seal

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 …

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Rexroth Column Strength & Oversize Rod Selection

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 …

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Sundstrand Series 90 Feedback Link & Side Cover Insert

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 …

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Sundstrand 90 Series 55cc Cage Locator and Auxiliary Flange Charge Pump Cover

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 …

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