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Daewoo Manuals
Engine
G420E
Service manual
Daewoo G420E Service Manual
Tier lp engine lift trucks with tier lp engine tier lp engine
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Important Safety Information
Table of Contents
Working with Lpg Equipment
Chapter 0 Lpg and Lpg Fuel Tanks
LPG Fuel Supply
LPG Fuel Tanks
Installing LPG Fuel Tanks
LPG Fuel Tank Components
Fuel Gauge
Service Valve
Quick Disconnect Coupling
Filler Valve
Chapter 1 Engine Specification
Indication of Engine Serial Number
Specifications(G420E)
Specifications(G424E)
Chapter 2 MI-04 Lpg System Operational Overview
MI-04 General Description
MI-04 LP Fuel Filter
Fuel Lock-Off (Electric)
N-2001 Regulator/Converter
N-2001 Theory of Operation
MI-04 N-CA55-500TR Mixer
N-CA55-500-TR Air/Fuel Mixer Theory of Operation
MI-04 Electronic Throttle
MI-04 Fuel Trim Valve
Heated Exhaust Gas Oxygen Sensor (HEGO)
SECM (General Description)
SECM (Fuel Management)
Catalytic Muffler
SECM (Load/Speed Management)
MI-04 Ignition Management
Chapter 3 MI- 04 Maintenance Schedule
Recommended Maintenance Schedule
Test Fuel System for Leaks
Inspect Engine for Fluid Leaks
Inspect Vacuum Lines and Fittings
Inspect Electrical System
Inspect Acceleration Pedal Operation
Check Coolant Level
Inspect Coolant Hoses
Inspect Battery System
Inspect Ignition System
Replace Spark Plugs
Replace LP Fuel Filter Element
Testing Fuel Lock-Off Operation
Pressure Regulator/Converter Testing and Nspection
Fuel Trim Valve Inspection (FTV)
Inspect Air/Fuel Valve Mixer Assembly
Inspect for Intake Leaks
Inspect Throttle Assembly
Checking the TMAP Sensor
Inspect Engine for Exhaust Leaks
Replace Oxygen Sensor
Maintenance Schedule
Maintenance Schedule Continued
Chapter 4 MI-04 Lp Basic Troubleshooting
Basic Troubleshooting
Chapter 5 MI-04 Lp Advanced Diagnostics
Advanced Diagnostics
Reading Diagnostic Fault Codes
Displaying Fault Codes (DFC) from SECM Memory
Clearing Fault (DFC) Codes
Fault Action Descriptions
Fault List Definitions
Codes)
Table A. MI-04 Diagnostic Fault Codes (Flash Codes)
Chapter 6 MI-04 Electrical Connections
Electrical Connections
Resistance Checks
Voltage Checks
Chapter 7 N2001 Pressure Regulator /Converter
Removal and Installation of N2001 LP Regulator/Converter
Hose Connections
N2001 Removal Steps
N2001 Regulator Disassembly Steps
N2001 Disassembled Service
Chapter 8 N-Ca55-500Tr Air/Fuel Mixer
Removal and Installation of the N-CA55-500TR Mixer
N-CA55-500TR Mixer Removal Steps
N-CA55-500TR Disassembly and Service
N-CA55-500TR Disassembled Service
Installing the Mixer/Throttle Assembly
Chapter 9 Test and Adjustments
N2001 Service Testing
Primary Stage Test Hardware
Primary Stage Pressure Test
N-CA55-500TR Service AVV (Air Valve Vacuum) Testing
Ignition Timing Adjustment
Idle Mixture Adjustment
Chapter 10 Service Tool Kit
Service Tool Kit
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Specifications(G420E)
2
Ignition Timing Adjustment
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Service Manual
G420E/G424E Tier
Lift Trucks
G15S-2, G18S-2, G20SC-2
GC15S-2, GC18S-2, GC20SC-2
With G420E Tier
G20E-3, G25E-3, G30E-3, G32E-3
GC20E-3, GC25E-3, GC30E-3, GC32E-3
with G424E Tier
LP Engine
LP Engine
LP Engine
SB4136E00
Jun. 2004
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This manual is also suitable for:
G424e
G18s-2
G18s-2, g20sc-2
Gc15s-2
G15s-2
Gc18s-2
...
Show all
Gc20sc-2
G20e-3
G25e-3
G30e-3
G32e-3
Gc20e-3
Gc25e-3
Gc30e-3
Gc32e-3
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