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Doosan DP222LBF User Manual

Doosan DP222LBF
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 DP222LBF Specifications

General IconGeneral
Engine ModelDP222LBF
ManufacturerDoosan
Engine TypeDiesel
Cooling SystemLiquid-cooled
Emission ComplianceTier 4 Final

Summary

General introduction

Danger, warning, caution, and note

Details safety symbols and their meanings to prevent hazards.

Precautions in Starting the Engine

Lists safety measures to be followed before starting the engine to prevent accidents.

Cautions for Inspection and Repair

Provides safety guidelines for performing inspection and repair on the engine.

General Repair

Details procedures and precautions for general engine repair to ensure safety and quality.

Engine maintenance

Outlines general practices for maintaining the engine's condition and preventing damage.

Operation and maintenance

Starting and stopping of the engine

Provides instructions for safely starting and stopping the engine.

Inspection and repair of the engine

Covers procedures for inspecting and repairing the engine after operation.

Performance and specifications

Engine specifications and performance

Provides detailed engine specifications and performance data for various models.

Regular inspection

Regular inspection table

A table detailing inspection and replacement intervals for various engine components.

Cooling system

Details regular inspection procedures for the engine's cooling system.

Lubrication system

Covers regular inspection procedures for the engine's lubrication system.

Fuel system

Outlines regular inspection procedures for the engine's fuel system.

Intake/exhaust system

Details regular inspection procedures for the intake and exhaust systems.

Cylinder block/head

Outlines inspection procedures for the cylinder block and head components.

About the engine

Engine Disassembly

Details the procedure for disassembling the engine.

Engine Assembly

Outlines the steps for assembling the engine.

Cooling system

Lubrication system

Fuel system

Intake/exhaust system

Failure Diagnosis

Offers guidance on diagnosing and troubleshooting intake/exhaust system issues.

Cylinder block/head

Governor Actuator

Control Unit (1)

Wiring

How to Adjust the Engine Performance

Provides step-by-step instructions for adjusting engine performance parameters.

Troubleshooting

System Not Working

Guides on diagnosing system faults through voltage tests and checks.

Alarm list check

Guides on reviewing the alarm list for system operation problems and referencing alarm codes.

System Not Working Properly

Provides troubleshooting steps for engine overspeed and actuator issues.

Control Unit (2)

Adjustment (Tuning) Order and Method

Adjusting the Engine Start-up Characteristics

Guides on adjusting starting fuel and RPM ramping for optimal engine startup.

Adjusting the engine operating speed and initial speed (idle)

Explains how to set engine operating and idle speeds.

Adjusting the Governor Characteristics

Adjusting the gain

Details how to adjust the gain potentiometer for stable engine operation.

Adjusting the stability

Explains how to adjust the stability potentiometer for optimal engine response.

Other adjustments

Adjusting the starting fuel

Explains how to adjust starting fuel for minimizing exhaust gas.

When the engine will not start

Troubleshooting Engine Start

Provides steps for troubleshooting when the engine fails to start.

External Wiring Connections

Adjusting the Speed Externally

External Speed Adjustment

Guides on connecting and using an external potentiometer for remote speed adjustment.

Droop Parallel Operating Mode (Manual Parallel)

Droop Function Definition and Application

Defines droop and explains its purpose in parallel generator operation for load sharing.

System Troubleshooting (Instability)

Instability at rapid intervals (hunting)

Provides steps to resolve rapid interval instability (hunting) by adjusting SW D1/D2, gain, and stability.

Instability at slow intervals (hunting)

Addresses slow interval instability (hunting) and methods for resolution through controller adjustment.

When the System is Not Working

System Troubleshooting Guide

A chart guiding fault diagnosis by measuring voltages and resistances at various terminals.

Digital Speed Controller

Product I/O signals

Configuration and Operation

LCD displays after powered on

System setup menu display of the controller

System Setup Configuration

Details configuring system parameters like RUN RPM, IDLE RPM, and OVER SPEED.

Engine configuration procedure

System Setup Configuration Procedures

Details procedures for configuring system parameters like RUN RPM, IDLE RPM, etc.

Configuring set run rpm

Configuring set idle rpm

Configuring set over speed

Configuring cranking rpm

Configuring gear number

Configuring starting fuel

Configuring speed ramping

Configuring max current

Configuring droop gain

Droop Function

PID gain setup configuration

Configuring PID sampling time

PID auto setup value configuration

Alarm list

Alarm code table

Lists alarm codes, items, conditions, output, and measures for troubleshooting.

Actuator test

Default setup functions

How to operate

System checks and measures

Controller Failure Diagnosis Procedure

Outlines a procedure for checking the controller for failure diagnosis.

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