The discussion today is about how control valves work: All flow control valve, when properly used, always reduces the flow rate from a pump to an actuator. Consists of: A normal flow control valve consists of a valve body and movable part. The movable part in our example is a tapered nose rod which is…
Read moreHow To Tell Good and Bad Bearing Plates On picture #1 you can tell it has no marks, burrs or no dings on it. The plates is from smears, scoring and is not discolored. It is great condition. No reason for it not to perform at its best. Picture #2 you can see it has…
Read moreSundstrand Sauer Danfoss Series 40 EDC Control Pump Flow The EDC control outputs flow in alignment to a DC electrical command signal. The controls are made for situations where a remote or automatic control of a system function is needed. Without the signal it will return to a neutral position. Here are some benefits for…
Read moreSundstrand Sauer Danfoss Series 40 PV/PT Mounting Flange & Shafts Here is the breakdown for the mounting flanges and shaft sizes for an axial piston pump. Shows the input shaft option, splined shaft options and mounting flanges. If you have more questions about the chart or diagram, please let us know. We will be glad…
Read moreSundstrand Sauer Danfoss Series 40 M46 EDC and Three Way Controls In the diagrams it shows the different views of the EDC control to show how the controller is connected. And same goes for the Three Way control. We do sell these controllers. So if you need a new control, please do call us and…
Read moreSundstrand Sauer Danfoss Series 40 Charge Pressure Filtration All series 40 units have charge pressure filtration available. The filter is mounted and is near the circuit after the charge pump (per the diagram). The ratings for the filters are 34.5 bar (500 PSI) pressure A 100- 125 screen in the reservoir or in the charge…
Read moreAt our Hydrostatic Pump Repair Site, we offer many types of Hydrostatic Transmission Repair and information relating to Hydrostatic Parts Today we will discuss: Hydraulic Solenoid Operated Relief Valve – Venting The solenoid A is inspired by joining the vent port of the main relief to the tank. By putting the pilot pressure, the pressure…
Read moreSundstrand Sauer Danfoss Series 90 Charge Pump Shaft Key Change The charge pump shaft key and woodruff key have been changed on the 42cc models. Reasons for the change is that the new key is smaller in design and helps get rid of a conflict problem. The old charge pump shaft will no longer be…
Read moreSundstrand Sauer Danfoss Series 40 Retention Method for Check Valves As always improving their parts, this is no different, Sauer is changing it’s ways to check its valve assemblies. It will use the retention technique. The older method let the check valve and SCR valve assy. to be disassembled. The new way of doing this…
Read moreSundstrand Sauer Danfoss Series 40 Charge Relief Valve A charge pressure relief valve is a relief outlet for charge pressure. It sets how the flow goes thru the valve that is ported to the case. The valve for the M25,M35 and M44 is a flat poppet valve. The M46 is a c one poppet. The…
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