Hydrostatic Transmission Service | Page 56

Sundstrand Sauer Danfoss Series 40 – Changes to the Spring Control for MDC
May 2, 2017 Comments Off on Sundstrand Sauer Danfoss Series 40 – Changes to the Spring Control for MDC

Sundstrand Sauer Danfoss Series 40 – Changes to the Spring Control for MDC Danfoss is making changes to the spring control for the MDC on the M46 variable and tandem pumps. The changes are made within the control, the spring guide. It changes the neutral setting properties for the control. It will change the high…
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Sundstrand Sauer Danfoss Series 40 M46 Fixed Motor – Adding A Dowel Pin
April 26, 2017 Comments Off on Sundstrand Sauer Danfoss Series 40 M46 Fixed Motor – Adding A Dowel Pin

Sundstrand Sauer Danfoss Series 40 M46 Fixed Motor – Adding A Dowel Pin This service bulletin lets us know that Sauer is putting in an addition to it’s fixed motor, endcap and housing: a dowel pin. The housings and endcaps you can interchange with the older parts, you just want use the dowel pin….
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Sundstrand Sauer Danfoss Double Row Deep Groove Ball Bearings
April 24, 2017 Comments Off on Sundstrand Sauer Danfoss Double Row Deep Groove Ball Bearings

We will be discussing ball bearings. This is just one of many types. Double Row Deep Groove Ball Bearing The Double Row Deep Groove Ball Bearing embodies the same principle of design as the single row bearing. However, the grooves for the two rows of balls are so positioned that the load lines through the…
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Sundstrand Sauer Danfoss Series 40 Change in The Bracket Design
April 21, 2017 Comments Off on Sundstrand Sauer Danfoss Series 40 Change in The Bracket Design

Sundstrand Sauer Danfoss Series 40 Change in The Bracket Design They are making changes to the 38 degree MDC bracket. It has reconfigured the neutral return bracket by putting more material in the control neutral adjust area of the neutral return bracket. This will make it harder to fail if the limit stops go past…
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Sundstrand Sauer Danfoss Series 40 Improved Seal Retention
April 19, 2017 Comments Off on Sundstrand Sauer Danfoss Series 40 Improved Seal Retention

Sundstrand Sauer Danfoss Series 40 Improved Seal Retention In this diagram it will show that Danfoss added a flat washer in front of the input shaft lip seal to boost the seal retention. They moved over the snap ring groove to make room for it. And its makes it where it is non interchangeable….
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Sundstrand Sauer Danfoss Series 20 How To Tell Bad Servo Sleeve & Piston
April 17, 2017 Comments Off on Sundstrand Sauer Danfoss Series 20 How To Tell Bad Servo Sleeve & Piston

Sundstrand Sauer Danfoss Series 20 How To Tell Bad Servo Sleeve & Piston In diagram number one you will see fractures in the recess part, this lets you know that the sleeve was abused by dropping the servo sleeve onto itself. In diagram number two shows scoring inside the bore of the sleeve, which means…
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Sundstrand Sauer Danfoss Series 15 All Types of Pumps & Motors
April 13, 2017 Comments Off on Sundstrand Sauer Danfoss Series 15 All Types of Pumps & Motors

Sundstrand Sauer Danfoss Series 15 All Types of Pumps & Motors There all types of Series 15 pumps and motors Inline Uline Split The model and part numbers will tell which you have. And it is important to know, so your charge pump displacement, relief valve settings and shaft configuration are set correctly. The…
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Sundstrand Sauer Danfoss Series 40PV Auxiliary Mounting Flange & Shafts
April 12, 2017 Comments Off on Sundstrand Sauer Danfoss Series 40PV Auxiliary Mounting Flange & Shafts

Sundstrand Sauer Danfoss Series 40PV Auxiliary Mounting Flange & Shafts In the diagram and charts it explains the splines on the shaft Input shaft options Auxiliary mounting flange options Rear View Coupling options It goes into detail about each option, but if you need more information on this, please call us at 800-361-0068 or…
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Sundstrand Sauer Danfoss Series 20 How To Tell Good & Bad Shaft Seals
April 10, 2017 Comments Off on Sundstrand Sauer Danfoss Series 20 How To Tell Good & Bad Shaft Seals

Sundstrand Sauer Danfoss Series 20 How To Tell Good & Bad Shaft Seals As you can see in diagram #1, it shows the correct shaft seals. How they are clear of nicks,burrs,grooves, contamination and fractures. In diagram #2 it shows the grooves in it mean there was excessive contamination. You can see this in the…
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Good and Bad Displacement Control Valves
April 7, 2017 Comments Off on Good and Bad Displacement Control Valves

Good and Bad Displacement Control Valves In #1 diagram this is a picture of displacement control valve that is straight from the factory. These are factory adjusted,locked and sealed. They have a note on top of the valve…DO NOT DISTURB THIS ADJUSTMENT. There are some parts that can be removed with disturbing the spool adjustment:…
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