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Selection of Pumps and Filter Systems Based on Oil Contaminant Levels in an Agricultural Tractor
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English
Abstract
The use of the Oklahoma State University Pump Contaminant Sensitivity Test, OSU-F2 Multi-pass Filter Performance Test, and knowledge of hydraulic fluid contamination levels in field tests have proved to be highly effective tools in the development of a reliable hydraulic system for a modern farm tractor.
Goals for an improved filter system were: To provide as much filter capacity as economically possible; to increase the filter flow rate; to isolate the pumps from the sources of contaminants. These modifications corrected the problems: Brake friction surfaces which generated less contaminant; a pump with greater contaminant tolerance; an improved filtration system.
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Citation
O'Connor, J., "Selection of Pumps and Filter Systems Based on Oil Contaminant Levels in an Agricultural Tractor," SAE Technical Paper 730798, 1973, https://doi.org/10.4271/730798.Also In
References
- Khatti R. “Load Sensitive Hydraulic System on Agricultural Tractors.” Paper 730860 SAE Combined Farm, Construction, and Industrial Machinery and Fuels and Lubricants Meetings Milwaukee September 1973
- Fitch E. C. “Contaminant Tolerance Levels.” Contamination Control, Suppl. Rept. 70-1 of Basic Fluid Power Research Program Annual Report July 1970
- Bensch L. E. Fitch E. C. “A New Theory for Contaminant Sensitivity of Fluid Power Pumps.” Contamination Control, Sect. 72-CC of Basic Fluid Power Research Program Annual Report No. 6 September 1972
- Tessman R. K. “Filter Performance Testing.” Contamination Control, Suppl. Rept. 70-1 of Basic Fluid Power Research Program Annual Report July 1970
- Quick David C. Sippel Lloyd F. “Design and Development of Wet Disc Brakes for Agricultural Tractors.” Paper 730863 SAE Combined Farm, Construction and Industrial Machinery and Fuels and Lubicants Meetings Milwaukee September 1973