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Technical Information

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5. Fuel Consumption Excessive

Inspect fuel leakage

Normal

Inspect injection nozzle

(injection pressure

atomizing state etc.)

Check injection timing

Inspect compressed

pressure

Disassemble

injection pump

Inspect head gasket

Disassemble engine

(valve assembly piston

cylinder liner etc.)

Adjust Replace

Adjust

Check valve

clearance

Replace

Causes according to Use Conditions

1. Overload

2. Govemor’s Arbitrary Adjustment

3. Full Speed Operation for Long time

4. Sudden Speed Change from Low to

High Speed

Oil leakage

Retighten Replace

Repair Replace

Cylinder liner

Piston ring Piston

Doosan PU158TI User Manual

Questions and Answers: