Protects against abrasion and environmental factors. Sizing and Pressure Dash Size: John Deere uses dash sizes ( −sizenegative size ) to indicate the Inner Diameter (ID) in -inch increments. A -4negative 4 ID, while a -12negative 12 ID Triad Technologies .
These diagrams visualize the flow of hydraulic fluid from the pump, through the control valves, to the actuators (cylinders or motors), and back to the reservoir. They use specific symbols defined by ISO standards to represent components such as:
Keep the lay-line (the printed text running down the side of the hose) perfectly straight. A twisted hose structurally weakens under pressure.