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Note: Before installing the cleaned filter element or replacing it with a new one, check whether the filter
element is damaged. Method: Place a light source inside the filter element to check whether there are
holes in the filter element. The filter element cannot be used if holes are found.
3. Replace the air filter element
Replace the filter element that has been repeatedly
cleaned for 6 times or used for 500 hours.
1) Follow the same procedure as described in the
cleaning instructions;
2) Inspect the quality of the new filter element with the
light irradiation method;
3) Install a new filter element;
4) Install the butterfly screws and the dust tank.
4. Intake pipeline inspection
Check the intake pipe every day for signs of damage to
the engine, such as worn points, damaged pipes, loose
clamps or broken pipes, etc.
If necessary, replace damaged pipes and tighten loose
clamps to ensure that the air intake system does not leak.
Air filter housing
Filter element
Gasket
Butterfly screw
Dust tank
Filter element
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...