• John Deere 755B Crawler Inch Bolt & Cap Screw Torque Values
    John Deere 755B Crawler Inch Bolt & Cap Screw Torque Values
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    John Deere 755B Crawler Inch Bolt & Cap Screw Torque Values   Your manufactures specs on torque values, should be used instead  of these. The chart shows a general set of values for certain applications. If you are using shear bolts (will fail under heavy loads) need to be replaced with better grades of bolts…

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  • John Deere Metric Series Four Bolt Flange Fitting
    John Deere Metric Series Four Bolt Flange Fitting
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    John Deere Crawler 755B 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…

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  • Sundstrand Sauer Danfoss Series 40 Auxiliary Pad Cover Seat
    Sundstrand Sauer Danfoss Series 40 Auxiliary Pad Cover Seat
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    Sundstrand Sauer Danfoss Series 40 Auxiliary Pad Cover Seat   The older model has an oring that goes under the auxiliary pad cover that seals an auxiliary pump. The new way will have a square cut ring taht will used for sealing the pad cover. The new ring measures 70 durometer with a .103″ corss…

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  • Denison Hydraulic Pump – Troubleshooting Part ll
    Denison Hydraulic Pump – Troubleshooting Part ll
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    The chart will show problems you may experience with your pump and solutions to fix the problem. Sometimes a circuit may seem like it is running fine, but also could have an underlying problem. So pay attention to noises, wear and tear on your unit. If you see something, fix it now…it will may end…

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  • Denison P6V Hydraulic Pump General Information
    Denison P6V Hydraulic Pump General Information
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    Denison P6V Hydraulic Pump General Information   Denison 6 & 7 Gold-cup axial piston pumps are above the grade for new ideas  which give these pumps superior pumping and control innovations. Such as the rocker cam – it is used to control pump displacement that reduces wear, smaller size and better speed control response.  the…

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  • Denison Hydraulic Pump 700-900 Series
    Denison Hydraulic Pump 700-900 Series
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    Denison Hydraulic Pump 700-900 Series The chart and diagram give details about description of the pump and performance data. Tells how the 700 has been redeveloped and about the 900 series as well. The higher pressure models work at 5000 psi and the lower pressure ones work at 3500 psi. It gives power to the…

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  • Sundstrand Sauer Danfoss Series 40 Cylinder Block Change
    Sundstrand Sauer Danfoss Series 40 Cylinder Block Change
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    Sundstrand Sauer Danfoss Series 40 Cylinder Block Change   As it is right now the M46 motors use a cylinder block kit that has a slipper retainer guide (ball guide) built into the cylinder block.  Now the kits have a new part in there…another retainer guide that has hold down pins to gives pressure from…

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  • Sundstrand Sauer Danfoss Series 40 – Servo Adjustment Screw
    Sundstrand Sauer Danfoss Series 40 – Servo Adjustment Screw
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    Sundstrand Sauer Danfoss Series 40 – Servo Adjustment Screw This affects M46 variable and tandem pumps. The change to the screw is to make it stronger to adjust for the depletion of performance. Also the spring guide has been updated as well. It can be used with the older version of the servo screw. If…

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  • Sundstrand Sauer Danfoss Series 40 High Force MDC
    Sundstrand Sauer Danfoss Series 40 High Force MDC
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    Sundstrand Sauer Danfoss Series 40 High Force MDC This affects M46 variable displacement pumps and tandem pumps. It has improved the control options on these pumps. The controls function to return to the neutral position by by lowering the potential of the control to bind and getting out of the neutral position. The control kit…

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  • John Deere Crawler 755B Track Frame – Installation & Removal
    John Deere Crawler 755B Track Frame – Installation & Removal
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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: Remove and Install Track Frame Release track tension and separate track chain (A). Remove spring covers Remove cap screws (B). Be careful and raise crawler high enough to remove track frame…

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