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Doosan DP222LBS User Manual

Doosan DP222LBS
262 pages
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950106-037009EN
DP158L, DP180L, DP222L
DIESEL GENERATOR ENGINE
Operation &
Maintenance Manual

Table of Contents

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Doosan DP222LBS Specifications

General IconGeneral
BrandDoosan
ModelDP222LBS
CategoryEngine
LanguageEnglish

Summary

Operation and Maintenance

Starting and Stopping of the Engine

Explains the procedures for starting and stopping the engine, including pre-start checks and operational guidelines.

Break-in Period of the Engine

Details the importance of the engine break-in period and the steps to follow for optimal performance.

Inspection and Repair of the Engine

Outlines procedures for inspecting and repairing various engine components after operation or over time.

Regular Inspection

Regular Inspection Table

Provides a detailed schedule for daily, hourly, and periodic inspection and replacement of engine parts.

Cooling System

Covers general information, coolant standards, capacity, and checking procedures for the cooling system.

Lubrication System

Details general information, engine oil standards, capacity, and checking procedures for the lubrication system.

Fuel System

Covers general information about the fuel system, fuel standards, and maintenance procedures like draining filters.

Intake/Exhaust System

Explains the function, construction, and maintenance of the intake and exhaust systems, including air filters and turbochargers.

Cylinder Block/Head

Details procedures for inspecting and adjusting valve clearance and tightening cylinder head bolts.

Electric System

Covers general information, specifications, and diagrams for the battery, starter, and alternator.

About the Engine

Tightening Torque

Lists tightening torque specifications for various main engine parts and general bolts.

Engine Disassembly

Provides a step-by-step procedure for disassembling the engine.

Engine Assembly

Details the step-by-step procedure for assembling the engine after disassembly.

Cooling System

Thermostat

Explains the function of the thermostat and how to check its operation and temperature settings.

Lubrication System

Fuel System

Fuel Injection Pump

Details the general information and adjustment procedures for the fuel injection pump.

Intake/Exhaust System

Failure Diagnosis

Provides a table of intake/exhaust system symptoms, causes, and troubleshooting for noise, vibration, and emissions.

How to Maintain Turbocharger

Offers guidance on operating precautions and maintenance procedures for the turbocharger.

Special Inspection of Turbocharger

Describes how to inspect radial and axial clearance of the turbocharger rotor for bearing wear.

Cylinder Block/Head

Cylinder Block

Covers procedures for cleaning, inspecting, and measuring the cylinder block and liners.

Cylinder Head

Details procedures for measuring cylinder liner, assembling, and checking the cylinder head.

Valve

Explains how to check valve stem diameter, valve guide clearance, and valve seats.

Camshaft

Covers camshaft end play, measurement of cam lobe height, journal diameter, and bearing clearance.

Electric System

Governor Actuator

Control Unit (2)

How to Adjust the Engine Performance (For New Controllers)

Details the step-by-step procedure for adjusting engine performance parameters on new controllers.

Installation (Mounting) the Controller and Cautions

Provides instructions and cautions for installing the digital speed controller, including EMC considerations.

Adjustment (Tuning) Order and Method

Details the order and method for adjusting governor characteristics, including starting fuel and RPM settings.

When the Engine Will Not Start

Offers troubleshooting steps for when the engine fails to start, including wiring checks and controller issues.

Digital Speed Controller

Configuration and Operation

PID Gain Setup Menu

Guides users on configuring PID gain parameters (Kp, Ki, Kd) for engine control.

PID Auto Setup Value Configuration

Guides users through the PID auto setup process for automatic parameter designation.

Alarm List

Provides a table of alarm codes, their descriptions, and how they are identified.

How to Operate

Troubleshooting

Provides a guide to troubleshooting system operation by checking the alarm list and referencing alarm codes.

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