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…
Read moreTalking 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…
Read moreIn 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…
Read moreWe 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…
Read moreWe 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…
Read moreThis 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…
Read moreOur 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…
Read moreToday 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)…
Read morePassages 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…
Read moreIn our discussion today we will talk about Circuits and their differences In hydrostatic transmissions there are 4 components involved: Fixed Displacement Motor Fixed Displacement Pump Variable Displacement Motor Variable Displacement Motor And these can be combined into 4 circuits Variable Displacement Pump driving a Variable Displacement Motor Variable Displacement Pump driving a Fixed Displacement…
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