• John Deere Crawler 755B Four Bolt Flange
    John Deere Crawler 755B Four Bolt Flange
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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: Service Recommendations for an inch series four bolt flange fittings. These service recommendations are like any other, always keep your maintenance up to date so your equipment will run correctly. Cleaning…

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  • John Deere Crawler 755B Track Frame
    John Deere Crawler 755B Track Frame
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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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  • Journal Bearings
    Journal Bearings
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    Talking about Bearings today…starting with the Journal Bearing Journal Bearing is called this for the reason it supports the Journal of a shaft. The journal part of the shaft rotates within a bearing. The reason for the journal bearing is to guide an support the rotating shaft and to confine its radial motion. Plain journal…

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  • Sundstrand Sauer Series 40 M46 Disassembly of Fixed Displacement Motor
    Sundstrand Sauer Series 40 M46 Disassembly of Fixed Displacement Motor
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    In this discussion today we will show you how to disassemble a fixed displacement motor. Disassembly Procedures for a Fixed Displacement Motor The first thing you need to do is take off the shaft seal. Place the motor on a work surface with the end cap up. Take off the four hex head screws (using…

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  • John Deere Crawler 755B Torque Values (Metric)
    John Deere Crawler 755B Torque Values (Metric)
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    We deal with all Makes and Models of Tractors, Excavators, Backhoes, Crawler and so much more. We get asked all kinds of questions, so today we are talking about torque values in metric measurements. Here is a chart with those torque values on it. It tells about using the right cap screw, bolts and fasteners…

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  • Sundstrand Sauer Double Row Deep Groove Ball Bearings
    Sundstrand Sauer Double Row Deep Groove Ball Bearings
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    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 Series 20 Fixed Motor Reversed Diagram
    Sundstrand Series 20 Fixed Motor Reversed Diagram
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    This diagram breakdown gives you an exploded view of the motor and may help you understand the inner workings of the unit. If you need questions answered about your motor unit, we can help you with that. We also do repairs, rebuild, replacement parts or maybe you need a whole new unit. We are here…

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  • Different types of Pressure Limits on Pumps & Motors
    Different types of Pressure Limits on Pumps & Motors
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    Our discussion today will be about Pressure Limits and the different kinds of limits it puts on pumps and motors Pressure Limits: 1) Closed Loop Circuit- The highest pressure in the closed loop circuit is bridled by a high pressure relief valve to a valve that is not greater than 5000 PSI. The gauge pressure…

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  • John Deere Crawler 755B – Assembly of Track Roller
    John Deere Crawler 755B – Assembly of Track Roller
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    Today our topic of discussion is on a John Deere 755B Crawler: Assembly of Track Roller 1) Align dowel pin with the bushing flange hole and press bushings into the case. If dowel pins and holes want align, use procedures A and B. a) Heat bushings case (3) to 300 degree F (149 degrees C)…

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  • Reconditioning and Replacement of Parts
    Reconditioning and Replacement of Parts
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    Passages are drilled in the servo piston to vent the upper servo cavity to the housing. If the motor is equipped to utilize control pressure on both sides of the servo piston, one of these passages is plugged with a mandrel expansion plug. If the motor is equipped with an auxiliary drive, the shaft seal…

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