SY26U Excavator OMM
Maintenance
SANY
Operation and Maintenance Manual — 1119
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INTRODUCTION
SAFE
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CONTROLS
MACHINE
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Replace the Hydraulic Oil Pilot Filter
1. Prepare the machine for service. See “Maintenance
2. Relieve system pressure. See “Relieve Hydraulic
System Pressure” on page 5-32.
3. Remove the six fasteners (1) securing the left skirt (2)
and remove the skirt.
4. Place a container under the pilot filter bowl (3) to catch
any spilled oil.
5. Loosen and remove the pilot filter bowl.
6. Remove the filter element from the housing. Clean the
interior of the housing and bowl.
7. Install a new filter element, gasket, and O-ring. Install the filter bowl and tighten securely.
8. To purge air from the system, start the engine and run it at low idle for 10 minutes. Check for leaks and then
install the left skirt (2).
9. Check the hydraulic oil level and add hydraulic oil as needed. See “Hydraulic Oil Level Check” on page 4-10.
WARNING!
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Allow the hydraulic system to cool before servicing. Hot oil may cause burns or other
serious injury.
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The hydraulic tank may be under pressure, and hydraulic oil may be present at the filler
cover. Relieve any pressure to prevent injury.
Failure to follow these warnings could result in death or serious injury.
NOTICE!
Dispose of used oil and filter in accordance with
all applicable environmental regulations. Failure
to do so could result in damage to the
environment.
Fig. 5-23
0003228
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Fig. 5-24
0003231
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