• John Deere Crawler 755B Battery Hazard
    John Deere Crawler 755B Battery Hazard
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    At our Hydrostatic Pump Repair Site, we offer many types of Hydrostatic Transmission Repair and information relating to Hydrostatic Parts Today we will discuss:   Batter Safety Always take precautions with your battery for your heavy equipment, just like you would for your car. Don’t have open flames, sparks from lighting a match. Don’t use…

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  • John Deere Crawler 755B Radiator
    John Deere Crawler 755B Radiator
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    At our Hydrostatic Pump Repair Site, we offer many types of Hydrostatic Transmission Repair and information relating to Hydrostatic Parts Today we will discuss: This is a breakdown of the radiator disassemble and reassemble of the radiator. This is also helpful, if you need to order parts. If you need help on this, please let…

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  • Installing Journal Bearings
    Installing Journal Bearings
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    In this section we will be discussing installing bearing and the techniques   Installing Plain Journal Bearings Bearing techniques vary from bearing to bearing. Care must be given when installing bearings to make sure alignment is achieved in different applications such as fixed, non self aligning construction. You can use shims to help in the…

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  • Charge Check and Charge Pressure Valves for Sundstrand Sauer Series 40
    Charge Check and Charge Pressure Valves for Sundstrand Sauer Series 40
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    Our topic today is Relief Valves for Sundstrand Sauer Danfoss Series 40 M46   Charge Check and High Pressure Relief Valves Take off the charge check and high pressure relief valve hex plug. Next to come off is the spring and check poppet or valve cartridge from the housing. Inspect the valve and mating seat…

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  • John Deere Crawler 755B Torque Values (Inches)
    John Deere Crawler 755B Torque Values (Inches)
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    Hello Today we will be discussing John Deere Crawler 755B Inch Bolt & Cap Screw Torque Values. The torque values listed on the chart are general use only. Always, check for tightness periodically. And use the appropriate fasteners. If you use lower grade, then it will not last as long. and use the right lubricant…

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  • Sundstrand Sauer Spherical Roller Bearings
    Sundstrand Sauer Spherical Roller Bearings
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    The discussion today is Bearings. There are many, many types. So we hope you find this section informative. Sundstrand Sauer Spherical Roller Bearings The spherical bearing, due to the number, size and sharper of the rollers, and the accuracy with which they are guided, has excellence capacity. Since the bearing is inherently self aligning, angular…

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  • Sundstrand Sauer Series 40 M46 Model Code
    Sundstrand Sauer Series 40 M46 Model Code
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    Today we will be discussing what the Tag on your unit means and why it is very important to have when ordering parts, having it rebuilt or if just need to have a replacement. Without the correct numbers off the tag, it is hard to to understand what you need to fix your unit. So…

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  • Fluid Recommendations
    Fluid Recommendations
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    We hope this section on Hydraulic Fluids helps with concerns on the correct fluids to put in your units.   Hydraulic fluids used for your units should be of the highest quality to ensure the best performance for equipment to run properly Fluid Characteristics Seal Conditioning Anti – Foam Anti – Corrosion Anti – Wear…

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  • Hydraulic Pump Differential Unloading Relief Valve
    Hydraulic Pump Differential Unloading Relief Valve
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    Today’s topic is Differential Unloading Relief Valve: When the accumulator is charged, the piston is forced toward the pilot dart and forces the pilot dart completely off the seat. Thus in effect releases the main spool spring chamber of pilot pressure. The relief valve is vented. The spool moves up and allows flow to go…

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  • Manual Displacement Control
    Manual Displacement Control
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    Topic today discusses Manual Displacement Control Before dis assembly, note the position of the control handle and neutral bracket as either :up’ or “down”. Remove the screw and washer or flange head screw retaining the neural bracket to the housing using a 7/16″ or 3/8″ wrench. The spool (with neutral bracket, neutral spring ,control handle…

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  Address:
    1644 Eason Blvd
    Tupelo, MS 38801
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  Email: info@hydrostatic-transmission.com

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