
| Item | Description |
| A | Barometric Pressure |
| B | Base pressure |
| C | Increased base pressure (preload) |
| Drive | Operating pressure |
| 1 | Plate assembly and ring piston pump |
| 2 | High-pressure valves |
| 3 | Pressure Sensor |
| 4 | Control valve |
| 5 | Pressure accumulator |
| 6 | Electric feed pump |
| 7 | Filters |
| 8 | Preload valve |
| 9 | Pressure relief valve (low pressure) |
| 10 | Pressure relief valve (high pressure) |