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5-15
Engine fuel system
Maintenance instruction
Tank capacity ....................................................................................................................................................... 30 liters
Check oil level ...................................................................................................................................................... 10 hours
Drain water and impurities from oil tank .............................................................................................................. 100 hours
Clean the oil tank ................................................................................................................................................. 250 hours
Check the injection pressure for ......................................................................................................................... 500 hours
Replace the fuel filter element ............................................................................................................................. 250 hours
1. Oil level inspection and refueling
The oil level can be checked through the oil level indicator
on the instrument on the right control box panel or through
the oil gauge tube. Check every day or every 10 hours.
In order to avoid the formation of condensate, the fuel
tank shall be filled after daily work. The fuel filler is located
on the left side of the seat.
2. Drain water and impurities from the fuel
tank
The condensate and sediment shall be removed every
100 hours.
Loosen the fuel drain plug to allow the condensate and
sediment to flow out. Once the fuel flows out, reinstall the
fuel drain plug. According to the quality of fuel used, the
user can re-determine the cycle of draining condensate;
3. Clean the fuel tank
Clean every 250 hours.
1) Prepare a container to receive the discharged fuel
2) Remove the fuel drain plug and take out the filter screen located in the filler port. Fill up half of the fuel tank and empty
it again.
3) Clean the refueling filter screen and install it in place.
4) Reinstall the fuel drain plug and fill up the fuel through the filter screen in the fuel filling hole.
4) Discharge the air in the oil circuit.
Note: During flushing the inside of the fuel tank, only diesel shall be used instead of trichloroethylene.
Fuel tank
cap
Fuel
filler
valve
Summary of Contents for U27
Page 1: ...U27Hydraulic Excavator Instruction Manual Guangxi Yuchai Heavy Industry Co Ltd...
Page 5: ...1 1 Preface...
Page 17: ...2 1 Safety regulations...
Page 44: ...3 1 Parts introduction...
Page 49: ...3 6 Panel meter Oil level pointer Timing display Water temperature pointer Indicator area...
Page 55: ...4 1 Operation guide...
Page 89: ...5 1 Maintenance...
Page 130: ...6 1 Accessories guide...