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Sundstrand Sauer Danfoss Series 15 Split Type Acceleration Valve Acceleration Valve Take out the plugs (20) from both sides of the housing and remove one valve assembly (22) and spring (16) from one side then the other side. Look over the valves carefully for any contamination, nicks, etc and if there is any dirt, remove it. If any of the parts need replacing, do so and then reinstall back into the housing. If you any questions on this topic, please let us know. Thank you 800-361-0068 sales@hydrostatic-transmission.com

John Deere Crawler 655B Service Instructions for Metric Series Four Bolt Flange Fittings You will need to clean all sealing surfaces (A). Look for any scratches or causes for leaks. Any coarseness will result in seal wear and extrusion, as well as out of flat will produce the same results. If you can’t polish out the problem, then it will need to be replaced. Put in the right o ring (and backup washer if it needs it) into groove using petroleum jelly to make it stay in place. Split Flange: Lightly put together the split flange halves (B). Making sure...

At our Hydrostatic Pump Repair Site, we offer many types of Hydrostatic Transmission Repair and information relating to Hydrostatic PartsToday we will discuss: Sundstrand Sauer Danfoss Series 90 75cc Auxiliary Flange Charge Pump Cover The service bulletin SB 2005-011 is to point out that it will no longer mark the flange “R” or “L” for the rotation anymore. The pilot surface has changed on the cover. The right hand rotation on the charge pump cover will have one step. The left hand rotation on the charge pump cover will have two steps. The P/N will remain the same. The units...

Sundstrand Sauer Danfoss Series 20 Serial Number The serial number is needed to tell the design style, build date, and when the unit was built. The first two digits are needed to tell the important arrangements made to the unit (any improvements made, etc). These kinds of changes would affect the many parts on the unit. The year/month (on earlier units) or year/week on older models are also needed for the identification in the serial number sequence. Making sure you have all this information gives the supplier the numbers to help to identify the unit, give proper information for the...

Sundstrand Sauer Danfoss Series 15 Fluid Level Chart Fluid for the unit should be of the utmost highest level to achieve maximum performance out of your unit. Here is a list of factors that go into selecting fluid for your unit. Viscosity Rust Inhibition Oxidation Anti Foam Thermal Stability Water Compatibility Shear Stability Filtration Limitations Low Temperature Fluidity Anti Wear Properties The fluid choices in the chart were chosen thru proven performance. If you have more questions about this chart, please let us know we will be glad to help. 800-361-0068 sales@hydrostatic-transmission.com