Oil Detection Test Paper 73” x 141” Hydraulic auto crowning creates consistent bends Connections NPT:1 2" Hydraulic auto crowning creates consistent bends across the maximum width of the machine and prevents underbending in the middle A significant design feature that makes BendPak's AP series particularly well suited for heavy vehicle service is a revolutionary Automatic Swing Arm Restraint System (ASARS) that has been bolstered to withstand these elevated pushing and pulling forces that occur when vehicles are being serviced Immerse in water to test for oil contamination or press to soil to check need for remediation lubricating oils and mineral oils