MAINTENANCE
5-31
SY60C Excavator OMM
NOTE:
Always use SANY-approved breather filters.
6.
Install the new filter. Tighten the cover and cap
securely.
NOTICE!
Dispose of the filter in accordance with all
applicable environmental regulations. Failure to
do so could result in damage to the environment.
Replace the Hydraulic Oil Pilot Filter
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 filter cover.
Relieve any pressure to prevent injury.
Failure to follow these warnings could result in
death or serious injury.
1.
Prepare the machine for service. See “Maintenance
Safety” on page 2-5.
2.
Relieve system pressure. See “Relieve Hydraulic
System Pressure” on page 5-29.
0003125
Figure 5-43
3.
Place a container under the pilot filter bowl (1) to
catch any spilled oil.
4.
Loosen and remove the pilot filter bowl.
NOTICE!
Dispose of the contaminated oil and filter in
accordance with all applicable environmental
regulations. Failure to do so could result in
damage to the environment.
5.
Remove the filter element from the housing. Use a
lint free cloth to clean the interior of the housing and
bowl.
NOTE:
Always use SANY-approved oil filters.
6.
Install a new filter element, gasket, and O-ring.
7.
Install the filter bowl and tighten securely.
8.
To purge air from the system, start the engine and
run at low idle for 10 minutes.
9.
Check the hydraulic oil level and add hydraulic oil as
needed. See “Check Hydraulic Oil Level” on
page 4-8.
Replace the Hydraulic Oil Return Filter
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 filter cover.
Relieve any pressure to prevent injury.
Failure to follow these warnings could result in
death or serious injury.
NOTICE!
Examine the return filter for metal chips and
debris. An excessive amount of bronze and steel
chips indicates that the hydraulic pump or a
hydraulic motor has been damaged. Rubber
debris indicates seal and/or gasket damage.
Inspect these components before filling the
hydraulic tank and returning the machine to
service.
1.
Prepare the machine for service. See “Maintenance
Safety” on page 2-5.
2.
Relieve system pressure. See “Relieve Hydraulic
System Pressure” on page 5-29.
3.
Remove the top access panel. See “Add Hydraulic
Oil” on page 5-29.
0003037
Figure 5-44
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