Add Hydraulic Oil - SANY SY35U Operation And Maintenance Manual

SY35U Excavator OMM

Add Hydraulic Oil

WARNING!
• 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
cap. Relieve any pressure to prevent injury.
Failure to follow this warning could result in death or serious injury.
NOTICE!
Filling the hydraulic tank past the recommended maximum level may result in hydraulic
system damage.
1. Position the work equipment as shown on the hydraulic tank decal.
See "Check the Hydraulic Oil Level" on page 4-11.
2. Open the right front access door. See "Unlocking/Opening the Right Front Access Door" on page 5-26.
3. Relieve system pressure. See "Relieve Hydraulic System Pressure" on page 5-56.
4. Prepare the machine for service. See "Maintenance Safety" on page 2-8.
5. Clean around the hydraulic tank breather assembly (1).
6. Remove the four fasteners (2) and the hydraulic tank
breather assembly.
7. Slowly add hydraulic oil through the breather assembly
opening of the hydraulic tank. Monitor the oil level as
it is added. See "Check the Hydraulic Oil Level" on
page 4-11.
8. Reinstall the hydraulic tank breather assembly.
SANY
Fig. 5-57
Operation and Maintenance Manual — 0120
Maintenance
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