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Details on the composition and properties of Liquefied Petroleum Gas (LPG) used as fuel.
Information on locating and identifying the engine serial number and specifications.
Overview of the MI-04 control system for TIER-2 emission standards.
Scheduled maintenance tasks for the MI-04 LP fuel system based on interval hours.
Procedures for removing and installing the N2001 regulator/converter unit.
Steps for removing and installing the N-CA55-500TR air/fuel mixer.
Details on the composition and properties of Liquefied Petroleum Gas (LPG) used as fuel.
Description of the two styles of LPG storage containers for industrial use.
Guidelines for correctly mounting LPG tanks on lift trucks to prevent damage.
Identification and description of various components found on LPG fuel tanks.
Function and operation of the manually operated service valve on LPG tanks.
Description of the quick disconnect coupling used for fuel system connections.
Details on the one-way flow filler valve and its safety features.
Information on locating and identifying the engine serial number and specifications.
Detailed technical specifications for the G420E engine model.
Detailed technical specifications for the G424E engine model.
Overview of the MI-04 control system for TIER-2 emission standards.
Diagram and explanation of the MI-04 system in closed loop fuel control.
Explanation of the electric fuel lock-off safety shutoff valve.
Description of the N-2001 regulator/converter and its function as vaporizer.
Detailed explanation of how the N-2001 regulator/converter operates.
Explanation of how the N-CA55-500TR air/fuel mixer functions.
How the SECM controls throttle opening via electronic throttle control (ETC).
Function and control of the Fuel Trim Valve (FTV) in the MI-04 system.
Description of the HEGO sensor and its role in monitoring exhaust gas content.
Overview of the Woodward Small Engine Control Module (SECM).
SECM's role in managing engine load and speed via electronic throttle.
How the SECM controls ignition timing based on engine parameters.
Scheduled maintenance tasks for the MI-04 LP fuel system based on interval hours.
Procedure for testing the fuel system for leaks using a leak check solution.
Verifying smooth travel of the acceleration pedal without sticking.
Step-by-step guide for replacing the LP fuel filter element.
Procedure to test the fuel lock-off valve's functionality.
Checking intake manifold, throttle assembly for leaks.
Procedure to inspect the air/fuel valve mixer assembly.
Procedure for replacing the oxygen sensor.
Common problems and corrective actions for the MI-04 LP system.
Troubleshooting steps for an engine that cranks but won't start.
Troubleshooting for issues where the engine stops running after starting.
Diagnosing and fixing acceleration issues or hesitation.
Troubleshooting steps for when the engine stalls.
Addressing issues with rough idling.
Troubleshooting high fuel consumption and LP exhaust smell.
How to retrieve and interpret Diagnostic Fault Codes (DFC) using the MIL.
Procedure to display stored Diagnostic Fault Codes from SECM memory.
Definitions of various sensor input faults and range faults.
Table listing MI-04 Diagnostic Fault Codes, probable faults, actions, and checks.
Procedures and expected resistance ranges for sensor checks.
Procedures and expected voltage readings for sensor checks.
Procedures for removing and installing the N2001 regulator/converter unit.
Diagram and guidelines for correct vacuum hose and fuel line routing.
Step-by-step instructions for removing the N2001 regulator/converter.
Detailed steps for disassembling the N2001 regulator.
Cleaning and inspection procedures for disassembled N2001 regulator components.
Steps for removing and installing the N-CA55-500TR air/fuel mixer.
Step-by-step instructions for removing the N-CA55-500TR mixer.
Procedures for disassembling and servicing the N-CA55-500TR mixer.
Procedures for disassembling and servicing the N-CA55-500TR mixer.
Steps for installing the mixer and throttle assembly.
Tests to perform on the N2001 regulator/converter after overhaul or checking.
Procedure for testing the secondary stage break-off pressure of the N2001 regulator.
Procedure for testing the primary stage pressure of the N2001 regulator.
Procedure for testing the Air Valve Vacuum (AVV) of the N-CA55-500TR mixer.
Procedure for adjusting the ignition timing by setting distributor position.
Procedure for adjusting the idle mixture using service tool software.
Description of the USB to CAN converter assembly.
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General