SY35U Excavator OMM
Maintenance
SANY
Operation and Maintenance Manual — 0120
5-59
TABLE OF
CONTENTS
INTRODUCTION
SAFETY
MACHINE
CONTROLS
MACHINE
OPERA
TION
MAINTENANCE
SPECIFICA
TIONS
OPTIONAL
EQUIPMENT
Replace the Hydraulic Oil Pilot Filter
1. Prepare the machine for service. See “Maintenance Safety” on page
2. Relieve system pressure. See “Relieve Hydraulic System Pressure” on page
3. Remove two fasteners (1) and the front cover (2).
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.
WARNING!
•
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 any pressure to prevent injury.
Failure to follow these warnings could result in death or serious injury.
NOTICE!
Dispose of hydraulic oil and filters according to
all applicable environmental regulations. Failure
to do so could damage to environment.
Fig. 5-60
0003849
1
2
Fig. 5-61
0003787
3