• Vickers CVCS/CVI Valve Covers & Inserts – Poppet Area Ratios
    Vickers CVCS/CVI Valve Covers & Inserts – Poppet Area Ratios
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    Vickers CVCS/CVI Valve Covers & Inserts – Poppet Area Ratios You can get the ratio by comparing are at the bottom of the poppet. This is an example, If the top of the poppet is double the size of the bottom, then it is a ratio of 1:2.  You have around three different ratios; 1:1,…

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  • John Deere 755B Crawler Track Frame Welding Methods
    John Deere 755B Crawler Track Frame Welding Methods
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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: John Deere 755B Crawler Track Frame Welding Procedures Before doing any welding, always remember to turn off the battery switch or battery ground strap before welding or you could damage the…

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  • Vickers Power Hydraulic Steering Pump VT 16/17-100
    Vickers Power Hydraulic Steering Pump VT 16/17-100
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    Vickers Power Hydraulic Steering Pump VT 16/17-100   These breakdowns on these units are shown in the diagrams below.  They show how the unit goes together. Tell what parts go where, tells what units take seal kit, orings, cartridge kits. Also it gives the controlled flow rate, relief settings, shaft and more. If you have…

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  • Oil Hydraulic Single & Multiple Pumps 315 Series
    Oil Hydraulic Single & Multiple Pumps 315 Series
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    Oil Hydraulic Single & Multiple Pumps 315 Series   These pumps are made out of cast iron, that is because it has more strength and last longer. The drive gears and shafts are molded to be one piece, so it gives highest essence of durability.  All the parts are made and machined to the highest…

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  • Grease Chart for a John Deere Crawler 655B/755B
    Grease Chart for a John Deere Crawler 655B/755B
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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: John Deere Crawler 755B – Grease Chart The Grease Chart just shows a general rule of thumb to go by for using grease when you have the right air temperature range….

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  • Sundstrand Sauer Danfoss Hydraulic Series 90 – SB-9525 Changes to the Variable Pump
    Sundstrand Sauer Danfoss Hydraulic Series 90 – SB-9525 Changes to the Variable Pump
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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: Sundstrand Sauer Danfoss Series 90 – Service Bulletin SB-9525 This service bulletin deals with changes made to the 55,75 and 100cc variable pumps. It starts with serial number N-95-50-xxxxx. The diagram…

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  • Different Kinds of Pre Mounted Bearings
    Different Kinds of Pre Mounted Bearings
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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: Basic Types of Premounted Bearings Pillow block housings can be split or solid, in which it facilitates mounting. Pillow block bearings usually handle radial loads that pass into the base. When…

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  • Piston Hydraulic Motors – General Specs
    Piston Hydraulic Motors – General Specs
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    At our Hydrostatic Pump Repair Site, we offer many types of HydrostaticTransmission Repair and information relating to Hydrostatic Parts Today we will discuss: What a Piston Motor Consists Of The piston motors rotating group has a swashplate, cylinder barrel (block),pistons, shoeplate, shoeplate bias spring, port plate and shaft. The pistons go inside the cylinder barrel….

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  • Hydraulic Oil Multiple/Piggyback Pumps & Motors 315,330,350 & 365
    Hydraulic Oil Multiple/Piggyback Pumps & Motors 315,330,350 & 365
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    Hydraulic Oil Multiple/Piggyback Pumps & Motors 315,330,350 & 365   Piggyback units needing the same fluid pumped at different displacement levels will yield you great savings. If you use P365/P330 it gives off displacement ratios of 9:1. When using single casting it generates as a port end for the P365 and shaft end for the…

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  • Model 46 Denison Hydraulic Electro Servo Control Assembly
    Model 46 Denison Hydraulic Electro Servo Control Assembly
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    Denison Hydraulic Model 46 Electrohydraulic Servo Control Assy Pressure Controls & End Caps Piston Type Pump SA-005 Valve S15-40568 SA-010 Valve S15-40569 Diagram and Chart for parts list for the electrohydraulic servo control This is the assembly of this unit. If you need further assistance or ask questions or even leave a comment. Call us…

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