SY50U Excavator OMM
Maintenance
SANY
Operation and Maintenance Manual — 0120
5-47
TABLE OF
CONTENTS
INTRODUCTION
SAFETY
MACHINE
CONTROLS
MACHINE
OPERA
TION
MAINTENANCE
SPECIFICA
TIONS
OPTIONAL
EQUIPMENT
6. Move the hydraulic lockout control lever to the locked (closed) position.
7. Open the right front access door.
8. Remove the cap (1) and press the relief valve button (2) to release pressure in the hydraulic tank.
9. Install the cap.
Check Hydraulic Oil Tank Level
See “Check the Hydraulic Oil Level” on page
Add Hydraulic Oil
1. Position the work equipment as shown on the hydraulic tank decal.
See “Check the Hydraulic Oil Level” on page
2. Relieve system pressure. See “Relieve Hydraulic System Pressure” on page
3. Prepare the machine for service. See “Maintenance Safety” on page
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
breather. Relieve any pressure to prevent injury. See“Relieve Hydraulic System Pressure”
on page 5-46.
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.