John Deere 744E 4WD Loader Operation and Test Service Manual TM1454 PDF - MJODTM1454.zip
This is a full Operation and Test Service manual, complete with electrical wiring diagrams, for the John Deere 744E 4WD Loader. It contains every technical detail needed to service, troubleshoot, and rebuild the machine just like a trained professional technician.
The Operation and Test Service workshop manual for the John Deere 744E 4WD Loaders covers:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
tm1454 - 744e loader operation and tests Technical Manual.pdf
tm1454 - 744e loader operation and tests Technical Manual.epub
PRODUCT DETAILS:
Total Pages: 1,148 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Language: English
MAIN SECTIONS
Foreword
Help!! Help!! Help!! Help!!
General Information
Safety
General Specifications
Torque Values
Fuels And Lubricants
Operational Checkout Procedure
Operational Checkout Procedure
Engine
Theory Of Operation
System Operational Checks
Diagnostic Information
Adjustments
Test
Electrical System
Electrical System
Power Train
Theory Of Operation
System Operational Checks
Diagnostic Information
Adjustments
Tests
Hydraulic System
Theory Of Operation
System Operational Checks
Diagnostic Information
Adjustments
Tests
Heating And Air Conditioning
Theory Of Operation
System Operational Checks
Diagnostic Information
Adjustments
Tests)
tm1454 - 744e loader operation and tests
Table of Contents
Foreword
Help!! Help!! Help!! Help!!
Section 9000: General Information
Group 01: Safety
Handle Fluids Safely-Avoid Fires
Prevent Battery Explosions
Prepare for Emergencies
Prevent Acid Burns
Handle Chemical Products Safely
Avoid High-Pressure Fluids
Park Machine Safely
Support Machine Properly
Wear Protective Clothing
Work in Clean Area
Service Machines Safely
Work In Ventilated Area
Illuminate Work Area Safely
Replace Safety Signs
Use Proper Lifting Equipment
Remove Paint Before Welding or Heating
Avoid Heating Near Pressurized Fluid Lines
Keep ROPS Installed Properly
Service Tires Safely
Avoid Harmful Asbestos Dust
Practice Safe Maintenance
Use Proper Tools
Dispose of Waste Properly
Live With Safety
Group 02: General Specifications
744E Specifications
Drain And Refill Capacities
Group 03: Torque Values
Hardware Torque Specifications
ROPS Torque Specifications
Metric Bolt and Cap Screw Torque Values
Additional Metric Cap Screw Torque Values
Unified Inch Bolt and Cap Screw Torque Values
Check Oil Lines And Fittings
Service Recommendations for O-Ring Boss Fittings
Service Recommendations for Flat Face O-Ring Seal Fittings
Service Recommendations for Metric Series Four Bolt Flange Fitting
Service Recommendations For Inch Series Four Bolt Flange Fittings
Group 04: Fuels And Lubricants
Fuel Specifications
Storing Fuel
Do Not Use Galvanized Containers
Fuel Tank
Engine Oil
Hydraulic System Oil
Transmission Oil
Differential Oil
Grease
Alternative And Synthetic Lubricants
Lubricant Storage
Mixing Of Lubricants
Engine Coolant
Section 9005: Operational Checkout Procedure
Group 10: Operational Checkout Procedure
Operational Checkout Record Sheet-744E
Complete Machine Operational Checkout
Section 9010: Engine
Group 05: Theory Of Operation
Radiator Cap Operation
Thermostat Operation
Cooling System Operation
Aftercooler Operation
Air Cleaner Operation
Electronic Fuel Injection System (Serial No. 000376-)
Fuel System Operation-744E (Serial No. 000376-)
Group 10: System Operational Checks
Engine Operational Checks
Group 15: Diagnostic Information
Diagnose Fuel System Malfunctions
Diagnose Engine Malfunctions
Coolant Requirements
Group 20: Adjustments
JT05800 Digital Thermometer Installation
JT05801 Clamp-On Electronic Tachometer Installation
Using The Electronic Governor Tester-JT05829 (Serial No. 000376- )
Listing Of Diagnostic Codes
Bleed The Fuel System
Fan Belt Tension Adjustment
Injection Pump Static Timing Adjustment
Slow And Fast Idle Adjustment (Serial No. 000376-)
Slow Idle Adjustment (Serial No. -000375)
Fast Idle Adjustment (Serial No. -000375)
Speed Control Linkage Adjustment (Serial No. -000375)
Speed Control Pedal Adjustment (Serial No. 000376-)
Adjust Fuel Shut-Off Cable (Serial No. -000375)
Do Engine Break-In
Group 25: Test
JT05801 Clamp-On Electronic Tachometer Installation
JT05800 Digital Thermometer Installation
Air Cleaner Element Restriction Indicator Switch Test
Air Intake System Leakage Test
Cooling System Leakage Test
Compression Pressure Test
Dampener Runout Check
Engine Oil Pressure Test
Engine Power Test Using Engine Pulldown
Performance Test Using Turbocharger Boost Pressure
Fuel Line Leakage Test
Radiator Air Flow Test
Section 9015: Electrical System
Group 00: Electrical System
Battery Operation
Battery Specifications
Diagnose Battery Malfunctions
Check Battery Electrolyte Level And Terminals
Procedure For Testing Batteries
Using Booster Batteries-24 Volt System
Bulb Replacement Specifications
Test Procedure For Checking Voltage At Connector
Visually Inspect Electrical System
Electrical Circuit Malfunctions
High Resistance Circuit
Open Circuit
Grounded Circuit
Shorted Circuit
Multimeter
Seven Step Electrical Test Procedure
Diagnostic Flow Charts
Wire Size Information
Pictorial Diagrams
Wiring Diagram And Schematic Information
Reading A System Functional Schematic
Reading A Wiring Diagram
Electrical Schematic Symbols
Diagnose Power Circuit Malfunctions
Power Circuit Operation
Diagnose Starter Circuit Malfunctions
Starter Circuit Operation (Serial Number -000375)
Starter Operation
Start And Engine Controller Circuit Operational Information (Serial Number 000376-)
Start And Engine Controller Circuit Theory Of Operation (Serial No. 000376-)
Transmission Multiple Torque Curves
Fuel Injection Circuit Theory Of Operation
Engine Controller Connector
Engine Controller Connector Signals
Component Identification For Start And Engine Controller Functional Schematic
Wiring And Schematic Diagrams Legend For Start And Engine Controller Circuits
System Functional Schematic Section Legend For Start And Engine Controller Circuits
Start And Engine Controller Circuit (Serial No. 000376-) Functional Schematic
Converter Harness (W1) Wiring Diagram
Converter Harness (W1) Component Location
Engine Controller Harness (W2) Wiring Diagram
Engine Controller Harness (W2) Component Location
Fuel Injection Pump Harness (W3) Wiring Diagram
Fuel Injection Pump Harness (W3) Component Location
Start And Engine Control/Test Circuit Diagnose Malfunctions
Adjusting Foot Throttle Resistor
Diagnose Charging Circuit Malfunctions
Alternator Operation-50 Amp Niehoff (Serial Number -000375)
Alternator Operation-50 Amp Bosch (Serial Number 000376- )
Charging Circuit Operation
Alternator Voltage Output Test-50 Amp Niehoff (Serial Number -000375)
Adjust Alternator Voltage-50 Amp Niehoff (Serial Number -000375)
Alternator Voltage Output Test-50 Amp Bosch (Serial Number 000376- )
Diagnose Logic Module And Warning Alarm Circuit Malfunctions
Logic Module And Warning Alarm Circuit Operation (Serial No. -000270)
Logic Module And Warning Alarm Circuit Operation (Serial No. 000271- )
Logic Module Test In Machine
Logic Module Bench Test
Diagnose Indicator Circuit Malfunctions-Top Row
Indicator Circuits Operation-Top Row
Diagnose Indicator Circuit Malfunctions-Middle Row
Indicator Circuit-Middle Row Operation (Serial Number -000270)
Indicator Circuit-Middle Row Operation (Serial Number 000271- )
Transmission Oil Pressure, Park Brake Indicator, And Low Brake Pressure (Monitor) Test
Pressure Switch And Sender Specifications
Diagnose Horn Circuit Malfunctions
Horn Circuit Operation
Diagnose Gauges And Hour Meter Circuit Malfunctions
Gauges And Hour Meter Circuit Operation
Diagnose Start Aid, Reverse Warning Alarm, And Cigar Lighter Circuit Malfunctions
Start Aid, Reverse Warning Alarm, And Cigar Lighter Circuit Operation
Diagnose Return-To-Dig And Boom Height Kickout Malfunctions
Return-To-Dig And Boom Height Kickout Circuit Operation
Return-To-Dig Adjustment
Boom Height Kickout Adjustment
Diagnose Secondary Steering Circuit Malfunctions
Secondary Steering Circuit Operation
Secondary Steering Controller Bench Test
Diagnose Turn Signal And Flasher Circuit Malfunctions
Turn Signal And Flasher Circuit Operation
Diagnose Drive And Work Light Circuit Malfunctions
Drive And Work Light Circuit Operation
Brake Light Pressure Switch Test
Diagnose Windshield Wiper And Washer Circuit Malfunctions
Windshield Wiper And Washer Circuit Operation
Diagnose Clutch Cut-Off And Park Brake Circuit Malfunctions
Clutch Cut-Off And Park Brake Circuit Operation
Brake Low Pressure Switch (Park Brake) Test
Differential Lock, Downshift, And Transmission Circuit Malfunctions
Differential Lock, Downshift, And Transmission Circuit Operation
Diagnose Radio Circuit Malfunctions
Radio Circuit Operation
Load Center Relay Identification
Load Center Component Location
Electrical System Component Location
Section 9020: Power Train
Group 05: Theory Of Operation
Power Train Component Overview
Torque Converter And Master Clutch Operation
Transmission Operation
Transmission Clutch Operation
Transmission Hydraulic Components
Transmission Pump Operation
Transmission Filter Operation
Transmission Control Valve Operation (Serial Number -000499)
Transmission Control Valve Operation (Serial Number 000500-)
Transmission Solenoid Valve Operation
Transmission Power Flow
Transmission Circuit-First Forward
Transmission Circuit-Fourth Forward
Transmission Circuit-First Reverse
Forward And Reverse Accumulator Operation (Serial Number -000356)
Transmission Circuit Accumulator Operation (Serial Number 000357- )
Transmission Pressure Regulating Valve Housing
Main Pressure Regulating Valve Operation
Transmission Modulation-Full Engagement
Transmission Modulation-Shift Initiated
Master Clutch Modulation-Transmission Clutch Engaged
Cut-Off Valve Operation
Master Clutch Cut-Off Valve Operation
Converter Pressure And Cooler Relief Valve Operation
Lubrication Relief Valve Operation
Brake, Park Brake And Differential Lock Components
Pilot And Brake Pump Operation
Brake Accumulator Operation
Dual Brake Valve Operation
Single Brake Valve Operation
Pressure Reducing Valve Components
Pressure Reducing Valve Operation (Serial Number -000350)
Pressure Reducing Valve Operation (Serial Number 000351-)
Differential Lock, Clutch Cut-Off, And Park Brake Solenoid Valves Operation
Pilot Accumulator Operation
Park Brake Operation
Differential And Differential Lock Operation
Final Drive Operation
Axle Operation
Group 10: System Operational Checks
Power Train Operational Checks
Group 15: Diagnostic Information
Diagnose Transmission System Malfunctions
Diagnose Service Brake Malfunctions