SANY SY500H, Operation And Maintenance Manual

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MAINTENANCE
5-29 SY500H Excavator OMM
0000770
Figure 5-37
2. Lift the fuel tank strainer element (2) out of the tank
filler neck.
3. Clean and inspect the fuel tank strainer.
NOTE: Replace a damaged or missing fuel strainer with a
new one.
4. Install the new (or cleaned) fuel tank strainer.
5. Install and lock the fuel tank filler cap.
Replace the Primary and Secondary Fuel
Filter
WARNING
Never smoke or maintain the fuel system near an
open flame. This could result in death or serious
injury.
0004761
Figure 5-38
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.
3. Locate the primary filter (1) behind the right rear
engine compartment door.
4. Place an appropriately sized container under the fuel
filter drain.
5. Open the drain valve (6) to allow all water and fuel to
drain from the filter.
6. Remove the plastic housing (5) mounted to the
bottom of the filter.
7. Examine the O-ring in the top of the plastic housing
and replace if damaged.
8. Remove the primary fuel filter.
NOTICE!
Dispose of contaminated fuel or water in
accordance with all applicable environmental
regulations. Failure to do so could damage the
environment.
9. Install the new filter on the primary filter housing (2).
NOTE: Follow the manufacturer’s instructions on the fuel
filter body when installing the filter.
10. Install the plastic housing to the bottom of the fuel
filter cartridge.
11. Remove the secondary fuel filter (4) from the fuel
secondary filter housing (3).
12. Install a new filter.
NOTE: Do not fill the secondary fuel filter with diesel fuel
before replacing it.
13. Once the filters are installed, close and secure the
right rear access door.
CAUTION
Do not attempt to run the engine with the engine
compartment door open.
14. Start the engine and allow it to run at idle speed for
10 minutes.
NOTICE!
The engine may not start quickly. Engage the
starter for 15 seconds, wait for 15 seconds, and
then attempt to restart for 15 seconds. Repeat this
process up to 10 times. If the engine still fails to
start, contact a SANY dealer.
15. Check for leaks around both the primary and
secondary fuel filters.
16. Repair fuel leaks if found.
2
2
1
3
5
1
6
4
2
3