SY75C Excavator OMM
Maintenance Procedures
SANY
Operation and Maintenance Manual — 0220
5-55
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14. Place hydraulic lockout control lever (a) in the
UNLOCKED position.
15. Run the engine at low idle speed for 10 minutes to vent
the air from the hydraulic system.
16. Shut down the engine.
17. Recheck the hydraulic oil level at the sight glass decal.
18. If necessary, remove the suction strainer cover and
repeat steps 9 through 12.
19. When the hydraulic oil level is correct, reinstall the
cover over the breather valve.
20. Check for leaks.
21. Tighten connections if leaks are found.
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.
4. Remove the hydraulic suction strainer cover. See “Hydraulic Oil - Add” on page 5-52.
5. Insert the oil sample tube into the hydraulic tank and collect a sample of hydraulic oil.
6. Install the hydraulic suction strainer cover.
7. 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 adhere to
this warning can cause equipment damage and contaminate the sample.
Fig. 5-80
UNLOCKED
LOCKED
a
Summary of Contents for SY75
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