Sacmi CCM001, User Manual

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002AZ001A
8 - 28
8
MAINTENANCE
T2581
YV8 SP8
8.1.2.4.11 - Setting pressure switch SP8 and pressure relief valve YV8
- Disconnect the delivery hose from the hydraulic motor.
- Plug the disconnected hose.
- Place a pressure gauge with a 400 bar end scale value in the seat provided on the extruder’s hydraulic control
assembly.
- Set the volumetric pump to the minimum allowable speed (10%).
- Set pressure switch SP8 to a value higher than the 200 bar indicated on the knob’s graduated scale.
- Run the extruder motor at 20% of it speed.
- Adjust pressure relief valve YV8 until the pressure gauge reads 200 bar. Mark the position of the valve.
- Adjust the pressure relief valve until the pressure gauge reads 190 bar.
- Adjust the pressure switch so that it is activated when the line pressure reaches 190 bar.
- Set pressure relief valve YV8 to the marked position so that it is activated when a pressure of 200 bar is reached.
Figure 8.1.2.4.11 - SETTING PRESSURE SWITCH SP8 AND PRESSURE RELIEF VALVE YV8