In this section we will be discussing installing bearing and the techniques Installing Plain Journal Bearings Bearing techniques vary from bearing to bearing. Care must be given when installing bearings to make sure alignment is achieved in different applications such as fixed, non self aligning construction. You can use shims to help in the…
Read moreOur topic today is Relief Valves for Sundstrand Sauer Danfoss Series 40 M46 Charge Check and High Pressure Relief Valves Take off the charge check and high pressure relief valve hex plug. Next to come off is the spring and check poppet or valve cartridge from the housing. Inspect the valve and mating seat…
Read moreHello Today we will be discussing John Deere Crawler 755B Inch Bolt & Cap Screw Torque Values. The torque values listed on the chart are general use only. Always, check for tightness periodically. And use the appropriate fasteners. If you use lower grade, then it will not last as long. and use the right lubricant…
Read moreThe discussion today is Bearings. There are many, many types. So we hope you find this section informative. Sundstrand Sauer Spherical Roller Bearings The spherical bearing, due to the number, size and sharper of the rollers, and the accuracy with which they are guided, has excellence capacity. Since the bearing is inherently self aligning, angular…
Read moreToday we will be discussing what the Tag on your unit means and why it is very important to have when ordering parts, having it rebuilt or if just need to have a replacement. Without the correct numbers off the tag, it is hard to to understand what you need to fix your unit. So…
Read moreWe hope this section on Hydraulic Fluids helps with concerns on the correct fluids to put in your units. Hydraulic fluids used for your units should be of the highest quality to ensure the best performance for equipment to run properly Fluid Characteristics Seal Conditioning Anti – Foam Anti – Corrosion Anti – Wear…
Read moreToday’s topic is Differential Unloading Relief Valve: When the accumulator is charged, the piston is forced toward the pilot dart and forces the pilot dart completely off the seat. Thus in effect releases the main spool spring chamber of pilot pressure. The relief valve is vented. The spool moves up and allows flow to go…
Read moreTopic today discusses Manual Displacement Control Before dis assembly, note the position of the control handle and neutral bracket as either :up’ or “down”. Remove the screw and washer or flange head screw retaining the neural bracket to the housing using a 7/16″ or 3/8″ wrench. The spool (with neutral bracket, neutral spring ,control handle…
Read moreThe 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…
Read moreToday’s discussion is about Hydraulic/Hydrostatic Oil Coolers: Heat is inevitable in the best of hydraulic designs and will turn some of it’s input horsepower into heat. And when reservoirs are incapable of dispersing all the heat, a cooler is used to help out. Coolers are divided into two groups, air coolers and water coolers. Air…
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