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Details on LPG composition, fuel tanks, and installation for industrial use.
Identifies and describes the various parts of an LPG fuel tank.
Information on identifying engine serial numbers and key specifications for G420E/G424E.
Detailed specifications for the G420E engine, including general, electrical, and fuel systems.
Covers fuel filter, lock-off, regulator/converter, mixer, throttle, FTV, and sensors.
Detailed explanation of how the N-2001 regulator/converter functions to supply fuel.
Details the electronic control of the throttle valve for optimized engine performance.
Overview of SECM for fuel management, load/speed, and ignition control.
Covers checks for fuel leaks, fluid leaks, vacuum lines, and electrical systems.
Includes spark plug replacement, fuel filter replacement, and lock-off/valve testing.
Procedures for inspecting fuel trim valve, mixer, and TMAP sensor.
Troubleshooting steps for engine not starting, running continuously, or stalling.
Diagnosing rough idle, high idle, poor acceleration, and high-speed performance issues.
Methods for retrieving, displaying, and clearing diagnostic fault codes.
Definitions of faults, actions taken by SECM, and descriptions of fault types.
Table of Diagnostic Fault Codes (DFCs) with probable faults, actions, and corrective checks.
Schematic of system connections and detailed SECM connector pinout information.
Expected resistance ranges for TMAP, TPS, ECT, and O2 sensors.
Procedures and diagrams for removing, installing, and connecting hoses for the N2001 regulator.
Step-by-step instructions for disassembling the N2001 regulator for service.
Step-by-step instructions for removing the N-CA55-500TR mixer assembly.
Detailed steps for disassembling the N-CA55-500TR mixer for cleaning and service.
Procedure for mounting the mixer and throttle assembly to the engine.
Procedures for testing the N2001 regulator/converter, including primary and secondary stage tests.
Steps for adjusting the mechanical alignment of the distributor for ignition timing.
Procedure for adjusting idle mixture using service tool software and FTV duty cycle.
Lists essential service tools including USB-CAN converter, software, and extension cable.
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General