MTS Model 512-14 Hydraulic Power Unit User Manual
Page 30
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512.14 Hydraulic Power Unit
30
Checking the Hydraulic Fluid
Maintenance
5. Check and adjust the hydraulic fluid delivery system so that:
•
Hydraulic fluid temperature stabilizes within the parameters given in
on page 10 when the HPU is operating at high
pressure.
If you need to adjust the water-regulating valve, refer to
•
Pressure line reading is maintained at 21 MPa (3000 psi) maximum
static value.
If you need to adjust the pressure control valves, refer to
•
Maximum drain line back pressure is limited to 0.1 MPa (15 psi).
Other system adjustments are described in the Operation chapter.
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