Daewoo Doosan G420E/G424E Tier LP Engine Lift Trucks Service Manual SB4136E00 – PDF

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Daewoo Doosan G420E/G424E Tier LP Engine Lift Trucks Service Manual SB4136E00 – PDF DOWNLOAD

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Daewoo Doosan G420E/G424E Tier LP Engine Lift Trucks Service Manual SB4136E00 – PDF DOWNLOAD

Language : English
Pages :89
Downloadable : Yes
File Type : PDF

G420E/G424E Tier LP Engine
Lift Trucks
G15S-2, G18S-2, G20SC-2
GC15S-2, GC18S-2, GC20SC-2
With G420E II Tier LP Engine
G20E-3, G25E-3, G30E-3, G32E-3
GC20E-3, GC25E-3, GC30E-3, GC32E-3
with G424E II Tier LP Engine

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TABLE OF CONTENTS:

Daewoo Doosan G420E/G424E Tier LP Engine Lift Trucks Service Manual SB4136E00 – PDF DOWNLOAD

Index
WORKING WITH LPG EQUIPMENT
CHAPTER 0 LPG AND LPG FUEL TANKS
LPG Fuel Supply8
LPG Fuel Tanks9
Installing LPG Fuel Tanks 9
LPG Fuel Tank Components 10
Fuel Gauge 10
Service Valve 10
Quick Disconnect Coupling 11
Filler Valve 11
CHAPTER 1 ENGINE SPECIFICATION
Indication of Engine Serial Number 12
Specifications(G420E) 13
Specifications(G424E) 14
CHAPTER 2 MI-04 LPG SYSTEM
OPERATIONAL OVERVIEW
MI-04 General Description 15
MI-04 LP Fuel Filter17
MI-04 Fuel Lock-Off (Electric) 17
MI-04 N-2001 Regulator/Converter18
N-2001 Theory of Operation 19
MI-04 N-CA55-500TR Mixer 20
N-CA55-500-TR Air/Fuel Mixer Theory of
Operation 20
MI-04 Electronic Throttle 22
MI-04 Fuel Trim Valve 23
Heated Exhaust Gas Oxygen Sensor (HEGO) 24
MI-04 SECM (General Description) 25
MI-04 SECM (Fuel Management) 25
MI-04 SECM (Load/Speed Management)27
MI-04 Ignition management 29
CHAPTER 3 MI- 04 MAINTENANCE
SCHEDULE
RECOMMENDED MAINTENANCE SCHEDULE30
Test Fuel System for Leaks 30
Inspect Engine for Fluid Leaks 30
Inspect Vacuum Lines and Fittings30
Inspect Electrical System 30
Inspect Acceleration Pedal Operation 31
Check Coolant Level 31
Inspect Coolant Hoses 31
Inspect Battery System 31
Inspect Ignition System 31
Replace Spark Plugs 31
Replace LP Fuel Filter Element32
Testing Fuel Lock-off Operation 33
Pressure Regulator/Converter Testing and
nspection 33
Fuel Trim Valve Inspection (FTV) 33
Inspect Air/Fuel Valve Mixer Assembly33
Inspect for Intake Leaks 34
Inspect Throttle Assembly 34
Checking the TMAP Sensor 34
Inspect Engine for Exhaust Leaks34
Replace Oxygen Sensor 34
Maintenance Schedule35
CHAPTER 4 MI-04 LP BASIC
TROUBLESHOOTING
Basic Troubleshooting 37
CHAPTER 5 MI-04 LP ADVANCED
DIAGNOSTICS
Advanced Diagnostics44
Reading Diagnostic Fault Codes44
Displaying Fault Codes (DFC) From SECM
Memory 45
Clearing Fault (DFC) Codes45
Fault Action Descriptions45
Fault List Definitions 46
Table a MI-04 Diagnostic Fault Codes (Flash
Codes)48
CHAPTER 6 MI-04 ELECTRICAL
CONNECTIONS
Resistance Checks62
Voltage Checks 63
G420E/G424E Tier LP Engine 6 Table of Contents
CHAPTER 7 N2001 PRESSURE
REGULATOR /CONVERTER
Removal and Installation of N2001 LP
Regulator/Converter64
Hose Connections65
N2001 Removal Steps: 66
N2001 Regulator Disassembly Steps: 67
N2001 Disassembled Service69
CHAPTER 8 N-CA55-500TR AIR/FUEL
MIXER
Removal and Installation of the N-CA55-500TR
Mixer 70
N-CA55-500TR Mixer Removal Steps: 71
N-CA55-500TR Disassembly and Service72
N-CA55-500TR Disassembled Service74
Installing the Mixer/Throttle Assembly 75
CHAPTER 9 TEST AND ADJUSTMENTS
N2001 Service Testing 78
Primary Stage Test Hardware 79
Primary Stage Pressure Test79
N-CA55-500TR Service AVV (Air Valve Vacuum)
Testing81
Ignition Timing Adjustment 82
Idle Mixture Adjustment85
CHAPTER 10 SERVICE TOOL KIT
Service Tool Kit 87

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