SY26U Excavator OMM
Maintenance
SANY
Operation and Maintenance Manual — 1119
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Add Hydraulic Oil
1. Position the work equipment as shown on the hydraulic tank decal. See “Hydraulic Oil Level Check” on
2. Relieve system pressure. See “Relieve Hydraulic System Pressure” on page 5-32.
3. Prepare the machine for service. See “Maintenance Safety” on page 2-8.
4. Remove the hydraulic oil return filter cover. See “Replace the Hydraulic Oil Return Filter” on page 5-36.
5. Slowly add hydraulic oil to the return chamber of the hydraulic tank. Monitor the oil level as it is added.
See “Hydraulic Oil Level Check” on page 4-10.
6. Reinstall the hydraulic oil return filter cover. See “Replace the Hydraulic Oil Return Filter” on page 5-36.
WARNING!
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Allow the hydraulic system to cool before servicing. Hot oil may cause burns or other
serious injury.
•
The hydraulic tank may be under pressure, and hydraulic oil may be present at the filler
cover. Relieve any pressure to prevent injury.
Failure to follow these warnings could result in death or serious injury.
NOTICE!
Filling the hydraulic tank past the recommended maximum level may result in hydraulic
system damage.