MTS Series 505G2 SilentFlo Hydraulic Power Unit Model 505G2-180 - Manual (Page 87)

• 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 sample line in the bottle or let it touch the mouth of the bottle.
Prerequisite
You will need a hydraulic fluid sampling kit (MTS part number 055-589-601) and a fluid analysis kit (MTS part
number 011-860-301) or a clean, 180 ml sample bottle.
Hose Valve Assembly for Fluid Sampling
Description Item
Adapter 1
Needle Valve 2
Procedure
Take a fluid sample from the reservoir to get a visual indication of the fluid color and relative contamination.
Clean hydraulic fluid is clear and has an amber color. If the composition of the fluid appears to have changed,
obtain a sample of the hydraulic fluid from the sample port and check the fluid qualities.
1. Operate the HPU until the hydraulic fluid is at normal operating temperature (about 30 minutes).
2. Open the bottom side panel to access the control manifold.
3. Close the needle valve. Connect the hose valve assembly to the sample port located on the control
manifold.
Series 505G2 SilentFlo™ Hydraulic Power Unit Product Information 87
Maintenance