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At our Hydrostatic Pump Repair Site, we offer many types of Hydrostatic Transmission Repair and information relating to Hydrostatic PartsToday we will discuss: Methods of Transmission Start UPAfter the transmission has been put in, take out the threaded plug from the side of the main pump housing. When reading the charge pressure at the port, you will need a 600 PSI gauge with a short section of hose. The threaded port is 7/16 x 20 straight thread O Ring. And you need to put in the charge pump inlet a vacuum gauge for reading the inlet vacuum. Make sure all...

At our Komatsu Equipment hydraulic pump repair site, you can find information relating to Komatsu machinery, heavy equipment and products. We offer new and remanufactured hydraulic pumps mounted on Komatsu machinery. We repair, rebuild, and remanufacture all Komatsu hydrostatic pumps, and Komatsu hydraulic pumps. If your Komatsu equipment hydraulic pump is not functioning as designed, contact us for a quote to repair your Komatsu hydraulic pumps, and get your equipment back to OEM specs, quickly. Time is money and with your downtime and broken hydraulic pumps, your production is cut in half. Komatsu Hydraulic Pump Repair Center is a Komatsu...

Sundstrand Sauer Series 20 Controls Control speed and direction is carried out by the movement of a single Control Lever from a neutral lay out. The pump swashplate is spring loaded to neutral position to make sure there is a positive neutral. The swashplate is fitted with two opposed single acting Servo Cylinders to move the swashplate and vary the pump displacement. Pressurizing one of the cylinders while debilitating the other will move the swashplate from its neutral position. To get the reverse direction from neutral, the other cylinder is pressurized and the other is depleted.  Oil is pointed to...

These pumps have a port relief valve that produces uninterrupted activity with the circulating plate. It gives off 1200 RPM and 1000 PSi with 2000 maximum RPM. This is a single acting pump. The RPM can be raised to 2000, capacity at 27.5 GPM and 2000 PSi. It has a bigger aspirator port in the valve. Three way valve is possible. The adjusted port relief valve is made into it at 1600 PSI and guards the cylinder. The spool is pressure balanced. It has a steel gasket so that the seal is at its optimum value for the pump to...

John Deere 755B Crawler – Remove and Install Oil Pan Take out front bottom guard. Let the engine oil out. Capacity is about 20 qts. Take out the dipstick and tube. Take out the cap screws (C) & washers to let out the oil pan (B). Administer the form in place gasket to joints between the timing gear cover, front plate, cylinder block & flywheel housing to fill in between end of gaskets & oil pan gaskets. Put in a new gasket (A). Put in the oil pan. Make sure to tighten oil pan to timing gear cover cap screws...