105
Symptom Cause
Action
Air mixing in injection pump.
Bleed air.
Fuel filter clogged.
Change element.
Overflow valve malfunction.
◎
Incorrect engine control adjustment.
◎
Deteriorated governor spring.
◎
Incorrect valve clearance adjustment.
Make a readjustment.
Nozzle holder misalignment.
◎
Cylinder bore wear.
◎
Air cleaner clogging.
Clean element.
Lack engine output.
Such as inferior ventilation.
Check engine condition. Ventilate and improve it.
At low speed, insufficient
torque.
EGR valve fixing. (Open position.)
◎
Wrong selection of kind of viscosity.
Change with oil of correct viscosity.
Improper oil.
Too much oil quantity.
◎
Oil coming
up.
Wrong selection of cylinder liner and piston ring.
◎
Oil coming
down.
Faulty valve stem seal.
◎
Damaged packing.
Change packing.
Improper tightening.
Retighten oil filler cap.
Excessive oil
consumption.
Oil leakage.
Improper installation of filter and piping.
Reinstall filter and piping.
Summary of Contents for AU-4LE1T
Page 25: ...20 Engine model Serial number 4LE1 000000 IMLE0092...
Page 63: ...58 4LE1T Oil drain plug Oil filler cap Oil filler cap Oil level gauge IMLE0094...
Page 64: ...59 4LE1NA Oil drain plug Oil filler cap Oil filler cap Oil level gauge IMLE0095...
Page 79: ...74 C O OPEN Lever Element Cup Drain plug Ring nut Air bleeder plug CLOSE IMLE0059...