MTS Series 505 SilentFlo Hydraulic Power Unit Model 505-30 - Manual (Page 63)

Sampling the Hydraulic Fluid
Model 505.20 - 505.30 SilentFlo™ HPU Maintenance 63
11. Press the Reset button on the HPU control panel to reset any interlocks and
turn off the Dirty Filter indicator.
Sampling the Hydraulic Fluid
This section describes how to check the quality of the hydraulic fluid. Review the
following hints before obtaining your sample:
• Avoid contamination.
– Keep the sample bottle in the storage box of the hydraulic fluid
sampling kit until it is needed.
– Do not remove the cap from the bottle until immediately before taking
the sample.
– Do not set the cap down on a dirty surface or in an area where airborne
dust can settle.
• For additional information on hydraulic fluid care, see the Hydraulic Fluid
Care Guide (part number 050-000-536) found in the documentation package
inside the electrical control box.
• Hold the hose valve assembly still when taking a sample.
• Do not let the hose sample assembly line touch the mouth of the bottle or go
into the bottle.
Prerequisite
You will need a hydraulic fluid sampling kit (part number 055-589-601).