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Isuzu AA-6HK1T User Manual

Isuzu AA-6HK1T
242 pages
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AA-6HK1T, BB-6HK1T

Table of Contents

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Isuzu AA-6HK1T Specifications

General IconGeneral
Engine ModelAA-6HK1T
Engine TypeDiesel
Cylinder ArrangementInline 6
Compression Ratio17.5:1
TurbochargerYes
IntercoolerYes
Displacement7.79 L
Max Torque706 Nm @ 1500 rpm
Fuel SystemDirect Injection

Summary

GENERAL INFORMATION

General Repair Instruction

Guidelines for safe and effective service operations, including battery disconnection and part handling.

Abbreviations

List of abbreviations used in the manual for technical terms and measurements.

Standard Bolt Torque Specifications

Table of standard torque values for various bolt sizes and types.

Troubleshooting

Common engine problems and their potential causes and corrections.

Hard starting

Troubleshooting steps for an engine that fails to start or cranks slowly.

SERVICE INFORMATION

Identification

Information on locating and identifying engine serial numbers.

Lubrication System

Procedures for oil filter replacement and related system checks.

Injection Timing Adjustment

Steps for checking and adjusting the engine's fuel injection timing.

Injection Nozzle

Procedures for checking nozzle opening pressure and spray pattern.

Valve Clearance Adjustment

Detailed steps for adjusting valve clearances on engine components.

Compression Pressure Measure

Method for measuring engine compression pressure for diagnosis.

Recommended Lubricants

Guidelines for selecting appropriate engine oils based on viscosity and temperature.

ENGINE MECHANICAL

Service Precautions

Essential precautions for safe engine disassembly and service procedures.

Turbocharger

Removal and installation procedures for the engine turbocharger assembly.

Injection Pump

Detailed procedures for the removal and installation of the fuel injection pump.

Cylinder Head

Procedures for removing and installing the engine cylinder head assembly.

Crankshaft

Steps for removing and installing the engine crankshaft and related components.

Piston

Procedures for removing and installing engine pistons and connecting rods.

ENGINE COOLING

Service Precautions

Safety guidelines for working on the engine cooling system.

Thermostat

Disassembly and inspection procedures for the engine thermostat.

Water Pump

Disassembly and inspection procedures for the engine water pump.

ENGINE FUEL

Service Precautions

Safety guidelines for working on the engine fuel system.

Fuel Filter

Disassembly and reassembly procedures for the engine fuel filter.

Injection Pump Calibration Data

Specifications and test conditions for injection pump calibration.

Test Conditions

Parameters for testing and calibrating the injection pump.

Injection Timing

Procedures for setting and adjusting the engine's fuel injection timing.

STARTING AND CHARGING

Service Precautions

Safety guidelines for working on the starting and charging systems.

Alternator

General description and identification of the engine alternator.

Starter Motor

General description of the starter motor and its components.

Troubleshooting

Common issues with the starting and charging systems and their solutions.

ENGINE LUBRICATION

Service Precautions

Safety guidelines for working on the engine lubrication system.

Oil Pump

Construction and disassembly procedures for the engine oil pump.

Oil Filter

Disassembly and reassembly procedures for the engine oil filter assembly.

ENGINE INDUCTION

Service Precaution

Safety guidelines for working on the engine induction system.

Turbocharger

General description and identification of the turbocharger assembly.

Turbocharger Servicing

Procedures and precautions for servicing the turbocharger assembly.

Inspection and Repair

Procedures for inspecting and repairing turbocharger rotor shaft play.

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