MTS Series 505 SilentFlo Hydraulic Power Unit Model 505-180 - Manual (Page 82)

Model 505.60 - 505.180 SilentFlo™ HPU 82
Adjusting the Model 505.60 Hydraulic Pressure
Operation
1. If not already selected, press the Main Display button on the user interface
panel to select the Main Display.
2. Press the Pump #_ Enabled for the first pump to be adjusted.
Press Pump #_ Disabled for all the other pumps.
3. Press Run/Low Pressure to start the HPU in low pressure. Ensure that there
are no flow demands by the system. Run the pump in this mode until the
hydraulic fluid is at normal operating temperature.
4. Press the High Pressure button to select high pressure mode.
5. Loosen the nut securing the output pressure control.
6. While an assistant monitors the Hydraulic Fluid Pressure on the Main
Display screen, adjust the output pressure as follows until the desired
pressure is displayed.
• Turn the output pressure control clockwise to increase the pressure.
• Turn the output pressure control counterclockwise to decrease the
pressure.
7. Hold the output pressure control to prevent it from moving and tighten the
nut to secure it.
8. Check the Hydraulic Fluid Pressure on the Main Display screen to ensure
that the desired hydraulic pressure is being maintained.
9. Press the Pump #_ Enabled for the next pump to be adjusted.
Press Pump #_ Disabled for the previously adjusted pump.
10. Repeat Steps 5 through 9 until all pumps have been adjusted to the desired
pressure.
11. After the output pressure has been adjusted on all the pumps, enable the
pumps you want operational for testing.