G420E/G424E Tier LP Engine Table of Contents 6
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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