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SAE J 1689-1994 (SAE J1689-1994)
Hydraulic Power Units Used on Machine Tools and Equipment for the automotive Industry
This SAE Standard defines the expectations for free-standing, nonintegral, nonpressurized reservoir, flooded inlet type, industrial hydraulic power units used on machine tools and equipment for the automotive industry. These exclude power units used for intermittent and/or noncontinuous duty cycle and pressurized vessels, such as accumulators and air over oil systems. Objectives were set and accomplished to develop a consensus of common features which enhance the power unit performance, manufacturing quality, and maintainability. Some of those features are: a. identification, b. common sizes and construction, c. conductors and connectors, d. pump/motor groups, and e. filters.
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Society of Automotive Engineers [sae]
