Hitachi 4HK1 Engine Interim Tier 4 Compatible EWDCA-EN-01 (Preview)
IDE-2620H
0 Introduction (All)
Introduction
safety information
14A Service Information Guide (All)
Contents included in service information
Plastic gauge
Recommended liquid gasket
Thread locking adhesive agent
Term
Abbreviations
Standard bolts
1B Mechanical (4HK1)
Cylinder head cover
removal
installation
Cylinder head assembly
removal
disassembly
inspection
reassembly
installation
Idle gear
removal
inspection
installation
Inlet cover
removal
installation
Cylinder block
removal
inspection
installation
Exhaust manifold
removal
inspection
installation
Crankshaft
removal
disassembly
inspection
reassembly
installation
Piston
removal
disassembly
inspection
reassembly
installation
Camshaft
removal
disassembly
inspection
reassembly
installation
Flywheel
removal
inspection
installation
Crankshaft rear oil seal
removal
installation
Rocker arm shaft
removal
disassembly
inspection
reassembly
installation
Valve spring
removal
inspection
installation
Valve stem oil seal
removal
installation
Crankshaft front oil seal
removal
installation
CMP sensor
removal
inspection
installation
Front cover
removal
installation
Intake throttle valve
removal
installation
CKP sensor
removal
inspection
installation
Supplementary Information
1C Fuel System (4HK1)
Fuel supply pump
removal
installation
Common rail assembly
removal
installation
Injector
removal
installation
Suction control valve
removal
installation
Fuel filter
removal
installation
Relief valve
removal
installation
Fuel filter element
removal
installation
Fuel filter pressure sensor
removal
installation
Supplementary Information
1D Cooling (4HK1)
Water pump assembly
removal
inspection
installation
Thermostat
removal
inspection
installation
Cooling fan belt
inspection
Radiator
inspection
Engine coolant temperature sensor
removal
inspection
installation
Coolant
inspection
Overheat switch
removal
installation
Supplementary Information
1E Lubrication (4HK1)
Oil pan
removal
installation
Oil pump assembly
removal
disassembly
inspection
reassembly
installation
Oil level switch
removal
installation
Oil cooler assembly
removal
disassembly
reassembly
installation
Oil pressure sensor
removal
inspection
installation
Engine oil
inspection
Oil port cover
removal
installation
Supplementary Information
1F Induction (4HK1)
Boost temperature sensor
removal
installation
Turbocharger assembly
removal
inspection
installation
Intercooler
inspection
Air cleaner element
inspection
IMT sensor
removal
installation
Boost sensor
removal
inspection
installation
Supplementary Information
1G Exhaust (4HK1)
DPD assembly
disassembly
inspection
reassembly
Exhaust differential pressure sensor
removal
inspection
installation
Exhaust gas temperature sensor
removal
inspection
installation
Supplementary Information
1H Aux.Emission Control Devices (4HK1)
EGR valve
removal
inspection
installation
Supplementary Information
1J Electrical (4HK1)
Glow plug
removal
inspection
installation
Generator
removal
disassembly
inspection
reassembly
installation
ECM
removal
installation
Starter assembly
removal
disassembly
inspection
reassembly
installation
Supplementary Information
SERVICE MANUAL REVISION REQUEST FORM
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