MTS Series 505 SilentFlo Hydraulic Power Unit Model 505-180 - Manual (Page 75)

Operating the Model 505.60 HPU Locally or Remotely
Model 505.60 - 505.180 SilentFlo™ HPU Operation 75
4. Verify that at least one pump is enabled. Enable additional pumps as
necessary.
5. Press Run/Low Pressure to start the pumps. The pumps start sequentially
to prevent an electrical overload. Each pump starts in low pressure mode.
6. Check the HPU for leaks and unusual sounds. Stop the HPU immediately if
leaks or unusual sounds are noted. Determine the cause and fix the problem
before restarting the HPU.
7. Press High Pressure to turn on high hydraulic pressure.
Note If the HPU generates an interlock during operation (such as low fluid
level or high temperature), the HPU will stop. Once the cause has been
corrected, press the Reset button before restarting.
8. Run the HPU for about 30 minutes or until the hydraulic fluid is up to
operating temperature [typically 43–49°C (110–120°F) ] before using your
test system.
9. When in high pressure mode, press the High Pressure button to return to
low pressure mode.
10. To stop the HPU, press the Stop button.
Remote operation
Remote operation can occur at a remote control panel or from your system
controller. The controller must be connected to the HPU.
1. Make a general inspection of the HPU. Ensure that all cooling water valves
are open. Ensure the Emergency Stop button is released.
2. If not already displayed, press the Main Display button to open the Main
Display screen.
3. Verify that the Remote button is green. If the button is not green, press the
button to change it to green (indicating remote mode).
4. Verify that at least one pump is enabled. Enable additional pump as
necessary.
5. Start the HPU in low pressure at your controller.
6. Check the HPU for leaks and unusual sounds. Stop the HPU immediately if
leaks or unusual sounds are noted. Determine the cause and fix the problem
before restarting the HPU.
7. Select high pressure at your system controller.
Note If the HPU generates an interlock during operation (low fluid level or high
temperature), the HPU will be stopped. Once the cause has been
corrected, press the Reset button on the HPU user interface before
restarting.
8. Run the HPU for about 30 minutes or until the hydraulic fluid is up to
operating temperature [typically 43–49°C (110–120°F)] before using your
test system.
9. Stop the HPU with the controller.