SANY SY500H, Operation And Maintenance Manual

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5-28
MAINTENANCE
SY500H Excavator OMM
During the regeneration process:
• The high exhaust system temperature (HEST) icon
(10) will appear on the monitor Home screen.
• The diesel particulate filter (DPF) icon will be on, and
the yellow check engine icon may be on.
• The engine speed may increase.
• The turbocharger sound may change.
When the regeneration process is complete:
• The HEST icon, the DPF icon, and the yellow check
engine icon all turn off.
• The engine returns to idle speed.
• The turbocharger sound returns to normal.
5. Allow the engine to idle for 10-15 minutes to cool to
normal operating temperatures before resuming
work.
Fuel System
Check the Fuel Level
0004902
Figure 5-34
With the key switch at ON, check the fuel level display (1)
on the monitor Home screen.
Check the Fuel Lines
Inspect all steel, plastic, and rubber fuel lines, including
those on the engine.
CAUTION
Failure to perform this procedure as directed
could result in a fire during operation, which
could result in death or serious injury.
Drain the Fuel Tank
1. Prepare the machine for service. See “Maintenance
Safety” on page 2-4.
2. Open the right rear access door. See “Right Rear
Access Door” on page 4-8.
0004767
Figure 5-35
3. Locate the drain valve (1) for the fuel tank behind the
right rear door.
4. Place an appropriately sized container under the
drain hose.
5. Open the drain valve.
6. Close the drain valve when the fuel flow is free of
water and contaminants.
NOTICE!
Dispose of the contaminated fuel in accordance
with all applicable environmental regulations.
Failure to do so could damage the environment.
7. Add clean fuel to the fuel tank as necessary.
8. Start the engine and allow it to run at idle.
9. Check for leaks in the fuel system.
10. Repair any leaks.
11. Close and secure the right rear access door.
Check the Fuel Tank Strainer
0004760
Figure 5-36
1. Unlock and remove the fuel tank filler cap (1).
1
1
1