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Daewoo G15S-2 User Manual

Daewoo G15S-2
88 pages
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Service Manual
G420E/G424E Tier LP Engine
Lift Trucks
G15S-2, G18S-2, G20SC-2
GC15S-2, GC18S-2, GC20SC-2
With G420E Tier LP Engine
G20E-3, G25E-3, G30E-3, G32E-3
GC20E-3, GC25E-3, GC30E-3, GC32E-3
with G424E Tier LP Engine
SB4136E00
Jun. 2004

Table of Contents

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Daewoo G15S-2 Specifications

General IconGeneral
Engine Type4-Stroke, OHV, single cylinder
Compression Ratio8.0:1
Cooling SystemAir-cooled
Fuel SystemCarburetor
Fuel TypeGasoline
Lubrication SystemSplash
Oil Capacity1.1 L
Starting SystemRecoil starter

Summary

Important Safety Information

Safety Warnings and Definitions

Key safety warnings, cautions, and definitions for safe operation and maintenance.

LPG and LPG Fuel Tanks

LPG Fuel Supply and Tanks

Details on LPG fuel composition, properties, tank storage, types, and installation.

LPG Fuel Tank Components

Identification and function of various components of an LPG fuel tank.

Service Valve

Description of the manually operated valve for controlling fuel supply.

Quick Disconnect Coupling

Details on the coupling mechanism for connecting fuel lines.

Filler Valve

Explanation of the one-way flow device for filling LPG tanks.

Engine Specification

Indication of Engine Serial Number

Location and identification of the engine serial number plate.

Specifications (G420E)

Detailed technical specifications for the G420E engine model.

Specifications (G424E)

Detailed technical specifications for the G424E engine model.

MI-04 LPG System Operational Overview

System Overview and Components

Overview of MI-04 system, general description, filter, lock-off, regulator, mixer.

Sensors and Control Modules

Details on HEGO, SECM (General, Fuel Management, Load/Speed), and Ignition Management.

Throttle and Fuel Control

Explanation of electronic throttle control and fuel trim valve operation.

MI-04 Maintenance Schedule

Recommended Maintenance Schedule

Suggested maintenance intervals and tasks for the MI-04 system.

Fuel System Checks and Maintenance

Procedures for testing fuel system leaks, filter replacement, and lock-off operation.

Engine and Electrical System Checks

Inspect fluid leaks, vacuum lines, electrical system, battery, ignition, and acceleration pedal.

Component Inspection and Replacement

Inspect coolant hoses, mixer, throttle, TMAP sensor, exhaust leaks, and replace oxygen sensor.

MI-04 LP Basic Troubleshooting

Basic Troubleshooting Guide

Common engine problems, probable causes, and corrective actions for the MI-04 system.

MI-04 Advanced Diagnostics

Diagnostic Fault Codes Overview

Overview of fault diagnostics, MIL, reading and displaying codes.

Fault Actions and Definitions

Descriptions of fault actions and definitions of fault list parameters.

Diagnostic Fault Code Reference

Detailed list of diagnostic fault codes (DFC) with probable faults, actions, and checks.

MI-04 Electrical Connections

Electrical Connection Diagrams

Schematic diagrams showing the electrical connections of the MI-04 system.

Resistance Checks

Procedures and expected resistance ranges for sensor checks.

Voltage Checks

Procedures and expected voltage outputs for sensors.

N2001 PRESSURE REGULATOR /CONVERTER

Removal and Installation

Safety warnings and overview for removing/installing the regulator/converter.

Hose Connections and Removal Steps

Diagram of hose connections and steps for removing the N2001 regulator.

Regulator Disassembly and Service

Illustrated steps for disassembling and servicing the N2001 regulator.

N-CA55-500TR AIR/FUEL MIXER

Mixer Removal and Installation

Safety warnings and steps for removing/installing the N-CA55-500TR mixer.

Mixer Disassembly and Service

Procedures for disassembling and servicing the N-CA55-500TR mixer.

TEST AND ADJUSTMENTS

N2001 Regulator Testing

Service testing, hardware, and pressure tests for the N2001 regulator.

Mixer AVV Testing

Testing the Air Valve Vacuum (AVV) function of the mixer.

Ignition and Idle Mixture Adjustment

Procedures for ignition timing adjustment and idle mixture adjustment.

SERVICE TOOL KIT

Service Tool Kit Components

Description of the USB to CAN converter, software, and extension cable.

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