AH221232).| Symbol | Component | Function | |--------|-----------|----------| | 🔴 HP | High-pressure hose | Carries oil from pump to valve/cylinder | | 🔵 LP | Return/low-pressure hose | Returns oil to reservoir | | 🟢 PL | Pilot line | Controls valve operation | | ⬤ | Fitting type (JIC, ORFS, NPT) | Identifies connector style |
The diagram may show three hoses running parallel. However, the order in the bundle matters. For example, on a 400X loader, the left and right lift hoses look identical but cross over each other inside the frame. Swapping them causes the loader to drift. John Deere Hydraulic Hose Diagram