SANY SY155U, Руководство по эксплуатации и обслуживанию, Страница: 153 / 192

MAINTENANCE
5-43
SY155U Excavator OMM
0003587
Figure 5-92
NOTE: The internal spring may cause the filter cover may
move up while the fasteners are being removed.
Press down on the cover while removing the
fasteners.
NOTE: When the cover is removed, cover the filter
opening to prevent dirt and debris from falling into
the hydraulic tank.
8. Remove four fasteners and washers (5), and remove
the filter cover (6).
0003588
Figure 5-93
9. Remove the filter spring (7) and filter (8).
NOTICE!
Dispose of the hydraulic oil and filters in
accordance with all applicable environmental
regulations. Failure to follow this notice could
damage the environment.
10. Remove the filter element and O-ring from the filter
housing.
11. Remove all debris from inside the filter housing.
12. Install a new return filter and O-ring with the solid end
down.
13. Install the return filter in the filter housing.
14. Install the filter spring on top of the filter housing.
15. Hold the filter cover down to secure with the four
fasteners.
NOTE: If not changing the hydraulic oil, fill the tank at this
time. See “Add Hydraulic Oil” on page 5-40.
0003555
Figure 5-94
16. Move the hydraulic lockout control lever (9) to the
locked (closed) position.
NOTE: See “Hydraulic Lockout Control Lever” on
page 3-6 for additional information.
17. Start and run the engine at low idle for 10 minutes to
vent air from the hydraulic system.
18. Shut down the engine.
19. Check for leaks.
Clean and Replace the Hydraulic Oil Suction
Strainer
0003551
Figure 5-95
1. Park the machine in a secure location and position
the work equipment as shown.
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5
7
8
9