Daewoo G420E thru G424E Tier2 LP Engine Lift Trucks Service Manual

$ 40,00

Doosan 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 Service Manual

Format: PDF (Printable Document)

File Language: English

File Pages: 89

File Size: 4.47 MB (Speed Download Link)

Brand: Doosan (Daewoo)

Model: 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

Type of Document: Service Manual

Categories: ,

Description

Daewoo G420E thru G424E Tier2 LP Engine Lift Trucks Service Manual

Daewoo G420E thru G424E Tier2 LP Engine Lift Trucks Index:

Index
WORKING WITH LPG EQUIPMENT
CHAPTER 0 LPG AND LPG FUEL TANKS
LPG Fuel Supply………………………………………………..8
LPG Fuel Tanks………………………………………………….9
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 Filter…………………………………………..17
MI-04 Fuel Lock-Off (Electric) …………………………….17
MI-04 N-2001 Regulator/Converter……………………..18
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 SCHEDULE…..30
Test Fuel System for Leaks ………………………………..30
Inspect Engine for Fluid Leaks ……………………………30
Inspect Vacuum Lines and Fittings………………………30
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 Element…………………………..32
Testing Fuel Lock-off Operation ………………………….33
Pressure Regulator/Converter Testing and
nspection …………………………………………………………33
Fuel Trim Valve Inspection (FTV) ………………………..33
Inspect Air/Fuel Valve Mixer Assembly…………………33
Inspect for Intake Leaks …………………………………….34
Inspect Throttle Assembly ………………………………….34
Checking the TMAP Sensor ……………………………….34
Inspect Engine for Exhaust Leaks……………………….34
Replace Oxygen Sensor ……………………………………34
Maintenance Schedule………………………………………35
CHAPTER 4 MI-04 LP BASIC
TROUBLESHOOTING
Basic Troubleshooting ……………………………………….37
CHAPTER 5 MI-04 LP ADVANCED
DIAGNOSTICS
Advanced Diagnostics……………………………………….44
Reading Diagnostic Fault Codes…………………………44
Displaying Fault Codes (DFC) From SECM
Memory …………………………………………………………..45
Clearing Fault (DFC) Codes……………………………….45
Fault Action Descriptions……………………………………45
Fault List Definitions ………………………………………….46
Table a. MI-04 Diagnostic Fault Codes (Flash
Codes)…………………………………………………………….48
CHAPTER 6 MI-04 ELECTRICAL
CONNECTIONS
Resistance Checks……………………………………………62
Voltage Checks ………………………………………………..63

CHAPTER 7 N2001 PRESSURE
REGULATOR /CONVERTER
Removal and Installation of N2001 LP
Regulator/Converter………………………………………….64
Hose Connections…………………………………………….65
N2001 Removal Steps: ……………………………………..66
N2001 Regulator Disassembly Steps: …………………67
N2001 Disassembled Service…………………………….69
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 Service……………72
N-CA55-500TR Disassembled Service………………..74
Installing the Mixer/Throttle Assembly …………………75
CHAPTER 9 TEST AND ADJUSTMENTS
N2001 Service Testing ………………………………………78
Primary Stage Test Hardware …………………………….79
Primary Stage Pressure Test………………………………79
N-CA55-500TR Service AVV (Air Valve Vacuum)
Testing…………………………………………………………….81
Ignition Timing Adjustment …………………………………82
Idle Mixture Adjustment……………………………………..85
CHAPTER 10 SERVICE TOOL KIT
Service Tool Kit ………………………………………………..87

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