SY135C Excavator OMM
Maintenance
SANY
Operation and Maintenance Manual — 0120
5-79
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Replace the Hydraulic Pilot Line Filter Element
1. Prepare the machine for service. See “Maintenance Safety” on page 2-8.
2. Relieve hydraulic system pressure. See “Relieve Hydraulic System Pressure” on page 5-73.
3. Open the right rear access door. See “Right Rear Access Door” on page 3-7.
4. Place a suitable container under the pilot line filter
element housing (1) to catch any hydraulic oil that may
leak out.
5. Use a wrench on the hex end (2) at the bottom of the
filter housing to loosen the pilot filter housing.
6. Remove the pilot filter housing (2).
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.
NOTICE!
Dispose of hydraulic oil and filters in accordance with all applicable environmental
regulations. Failure to follow this notice could result in damage to the environment.
Fig. 5-153
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