Maintenance
SY50U Excavator OMM
5-54
Operation and Maintenance Manual — 0120
SANY
5. Place a suitable container under the drain hose end (1).
NOTE:
See “Fluid Capacities” on page
for
hydraulic tank capacity.
6. Disconnect the drain hose end. Allow the oil to drain.
7. Clean the inside of the hydraulic tank.
8. Connect the drain hose and tighten securely.
9. Install the hydraulic oil drain access panel.
10. Fill the hydraulic tank to the specified level. See “Add
Collect Hydraulic Oil Sample
1. Obtain an Oil Analysis Sample Kit from a SANY dealer.
2. Operate the machine until the hydraulic oil is up to normal operating temperature.
3. Prepare the machine for service. See “Maintenance Safety” on page
4. Remove the hydraulic tank breather assembly. See “Add Hydraulic Oil” on page
5. Insert the oil sample tube into the hydraulic tank and collect a sample of hydraulic oil. Install the hydraulic tank
breather assembly.
6. Send the sample for testing in accordance with the instructions packaged with the sample kit.
NOTICE!
It is critical that all material used to collect the sample is absolutely clean.
Failure to follow this notice can cause equipment damage and contaminate the sample.
Fig. 5-48
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1