SANY SY500H, Руководство по эксплуатации и обслуживанию

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5-40
MAINTENANCE
SY500H Excavator OMM
0004763
Figure 5-72
10. Install the cover (7) over the breather valve.
Check the Hydraulic Tank
CAUTION
• Hydraulic oil may be hot and under high
pressure, which could result in death or serious
injury.
• Always wait for the machine to cool and relieve
hydraulic pressure before attempting to open the
hydraulic system.
1. Position the machine work equipment as shown on
the decal on the hydraulic tank.
2. Prepare the machine for service. See “Maintenance
Safety” on page 2-4.
0004765
Figure 5-73
3. Open the right rear access door to access the
hydraulic oil tank sight glass (1). Make sure the oil
level is at the midway mark (2) on the sight glass
decal.
4. Check the hydraulic tank for leaks, exterior rust, and
damage.
5. Add hydraulic oil to the system as necessary. See
“Add Hydraulic Oil” on page 5-34.
6. Check and tighten all hydraulic fittings as necessary.
7. Close and secure the right rear access door.
Replace the Hydraulic Tank Return Filter
WARNING
• Allow the hydraulic system to cool before
servicing. Hot hydraulic 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
NOTE: Perform this procedure after every 1000 service
hours or at least once each year, whichever
occurs first.
1. Position the work equipment as shown on the
hydraulic tank decal.
2. Prepare the machine for service. See “Maintenance
Safety” on page 2-4.
3. Relive hydraulic system pressure. See “Relieve
Hydraulic System Pressure” on page 5-31.
0000782
Figure 5-74
4. Remove the hydraulic oil return filter cover (1).
0000783
Figure 5-75
5. Remove the spring (2), and then remove the
hydraulic oil return filter (3).
7
1
2
1
0000783
2
3