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Hitachi ZAXIS 400R-3 400LCH-3 troubleshooting guide

Hitachi ZAXIS 400R-3 400LCH-3 IMPOSSIBLE TO START THE ENGINE

Problem 1: Starter does not rotate or is not powerful

Cause:

  • Discharged battery
  • Disconnected, loose, or corroded battery terminals
  • Lowered pilot control shut-off lever
  • Disconnected, loose, or corroded starter ground line terminals
  • Faulty pilot control shut-off lever electrical system
  • Too high engine oil viscosity
  • Faulty starter and/or electrical system

Solution

  • Charge or replace battery
  • After repairing the corroded
  • .area, securely tighten the connectors
  • Pull pilot control shut-off lever up
  • After repairing the corroded area, securely tighten the connectors
  • See your authorized dealer
  • Change engine oil with appropriate viscosity
  • See your authorized dealer

Problem 2: Starter rotates

Cause

  • No fuel
  • Air in the fuel system Clogged fuel filter
  • Frozen fuel
  • Faulty injection pump
  • Faulty engine control system
  • The emergency engine stop SW is ON
  • Faulty preheat system

Solution

  • Charge or replace battery
  • After repairing the corroded area, securely tighten the connectors Pull pilot control shut-off lever up
  • After repairing the corroded area, securely tighten the connector
  • See your authorized dealer
  • Change engine oil with appropriate viscosity
  • See your authorized dealer

Problem 3: Even though the engine is started the engine stalls soon

Cause

  • Too low idle speed
  • Clogged fuel filter
  • Clogged pre-fuel filter
  • Faulty engine control system
  • Clogged air cleaner
  • Faulty injection pump

Solution

  • See your authorized dealer
  • After draining water, replace .the element
  • Clean or replace the element
  • See your authorized dealer
  • Clean or replace the element
  • See your authorized dealer

Problem 4: Engine runs irregularly

Cause

  • Faulty fuel system
  • Water or air in the fuel system
  • Faulty engine control system

Solution

  • See your authorized dealer
  • Drain water or bleed air
  • See your authorized dealer

Problem 5: Engine Not Developing Full Power

Cause

  • Air filters plugged
    Fuel line restricted
  • Contaminated fuel
  • Fuel filters plugged
  • Plugged vent in fuel tank cap
  • Injection nozzles dirty or malfunctioning
  • Injection pump linkage adjustment
  • Wrong fuel
  • Wrong oil
  • Turbocharger failure
  • Injection pump out of timing
  • Exhaust restriction
  • Engine is too hot or cold
  • Engine failure
  • Valve clearance
  • Intake or exhaust system leakage

Solution

  • Replace filter elements
  • Repair or replace fuel line
  • Drain fuel tank and clean outlet screen .Refill
  • Change filters
  • Clean or install new cap
  • see your authorized dealer
  • Use correct fuel
  • Use correct oil
  • See your authorized dealer
  • Remove muffler and run engine
  • See below
  • See your authorized dealer
  • Check and adjust valves
  • See your authorized dealer

More Troubleshooting:Engine Overheats,Coolant Temperature Too Low,Low Engine Oil Pressure,Engine Uses Too Much Oil,Engine Uses Too Much Fuel,Excessive Black or Gray Exhaust Smoke,Nothing Works,Nothing Works,Batteries Undercharged,Starting Motor Will Not Turn,Starter Solenoid Chatters,Starter Motor Turns but Will Not Crank Engine,Engine Cranks Slowly,Exhaust Gas is White,Turbocharger Excessively Noisy or Vibrates,Oil Dripping from Turbocharger Adapter,Excessive Drag in Turbocharger Rotating Members,Engine Cranks Slowly,Starter Motor Continues to Run After Engine Starts,Charging Indicator Light On-Engine Running,Noisy Alternator,No Monitor Panel Indicators Work,Individual Light in Monitor Panel is Not Working,No Indicators in Gauge Panel Operate,Indicator Light in Gauge Panel is Inoperative,Coolant Temperature Gauge Does Not Work,Indicator Lights Do Not Operate Auto-idle,Fuel Gauge Does Not Work,Work Mode Selector Does Not Work,Fast/Slow Travel Speed Does Not Function,Auto-Idle Does Not Work,Moves Hard,Does Nothing,Does Not Return to Neutral,Too Much Play,Lever is Not Vertical In Neutral ,Hydraulic Functions are Slow,Hydraulic Oil Overheats,Hydraulic Oil Overheats,Oil Foams,Low or No Oil Pressure,Hydraulic Cylinders Operate but Cannot Lift Load,One Control Lever Does Not Work,One Cylinder Does Not Work,One Cylinder Does Not Work or Has Little Power,Both Travel Motors Do Not Work,One Travel Motor Does Not Work,Travel is Not Smooth,Swing Does Not Work,Engine Stops When Travel or and Control Lever Moved and more

Download: Hitachi Zaxis 400R-3 400LCH-3 Hydraulic Excavator Operators Manual pdf Download

 

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