MAINTENANCE
5-31
SY500H Excavator OMM
0004692
Figure 5-41
5. Set the hydraulic lockout control lever (2) to the
unlocked (open) position (3).
6. Use the joystick control to lower the boom.
7. The boom should lower.
NOTE:
If there is no movement, contact a SANY dealer.
8. Start the engine and run at low idle for 5 minutes to
repressurize the accumulator.
Relieve Hydraulic System Pressure
CAUTION
• 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 pressure to prevent injury.
Failure to follow these warnings could result in
death or serious injury.
0000709
Figure 5-42
1. Park the machine in a secure location and position
the work equipment with the arm and bucket fully
extended (1).
2. Shut down the engine.
3. Prepare the machine for service. See “Maintenance
4. Turn the key switch to ON.
0004692
Figure 5-43
5. Set the hydraulic lockout control lever (2) to the
unlocked (open) position (3).
6. Fully cycle each joystick, and travel control
lever/pedals two to three times within 15 seconds to
release hydraulic pressure remaining in the hydraulic
system.
0004670
Figure 5-44
7. Turn the key switch to OFF.
8. Move the hydraulic lockout control lever (4) to the
locked (closed) position (5).
3
2
1
3
2
5
4
Summary of Contents for SY500H
Page 2: ...Page Intentionally Blank ...
Page 14: ...5 10 SY500H Excavator OMM Page Intentionally Blank ...
Page 30: ...2 8 SAFETY SY500H Excavator OMM Page Intentionally Blank ...
Page 70: ...3 40 MACHINE CONTROLS SY500H Excavator OMM Page Intentionally Blank ...
Page 172: ...5 64 MAINTENANCE SY500H Excavator OMM Page Intentionally Blank ...
Page 180: ...6 8 SPECIFICATIONS SY500H Excavator OMM Page Intentionally Blank ...
Page 194: ...I 8 SY500H Excavator OMM Page Intentionally Blank ...
Page 195: ...Page Intentionally Blank ...