Complete Operation and Test Service manual with electrical wiring diagrams for John Deere 4WD Loaders 744E, with all the technical information to maintain, diagnose, and rebuild like professional mechanics.

John Deere 4WD Loaders 744E workshop Operation and Test Service manual includes:
* 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 - John Deere 744E loader operation and tests Technical Manual.pdf

PRODUCT DETAILS:
Total Pages: 983 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)
      
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
Diagnose Differential/Axle Malfunctions
Diagnose Drive Shaft Malfunctions
Diagnose Park Brake Malfunctions
Isolate Transmission Electrical Malfunctions From Hydraulic/Mechanical Malfunctions
Pressure Regulating Valve Housing Components Identification
Hydraulic Circuit Symbols
Group 20: Adjustments
Hydraulic Brake Bleeding Procedure
Charge Brake Accumulator
Brake Valve Pressure Differential Switch Adjustment
Brake And Differential Lock System Oil Clean-Up Procedure Using Portable Filter Caddy
Brake Pad Inspection
Towing Procedures
Moving Unit With Transmission Electrical Malfunction
Group 25: Tests
JT05801 Clamp-On Electronic Tachometer Installation
JT05800 Digital Thermometer Installation
Transmission Oil Warm-Up Procedure
Brake, Differential Lock, And Hydraulic System Oil Warm-Up Procedure
Transmission Pump Flow Test
Transmission Main Oil Pressure Test
Transmission High And Low Range Clutch Leakage Test
Forward And Reverse Clutch Pressure And Leakage Test
Converter-In Pressure Test
Converter-Out Pressure Test
Converter-Out Flow Test
Torque Converter Leakage Test
Torque Converter Stall Speed Test
Lube Pressure Test
Master Clutch And Clutch Cut-Off Valve Pressure Tests
Master Clutch Leakage Test
Forward, Reverse, And Master Clutch Modulation Test
Transmission Oil Cooler Restriction Test
Pilot And Brake Pump Standby Pressure Test
Pilot And Brake Pump Flow Test
Front Axle Brake Accumulator Precharge Test
Rear Axle Brake Accumulator Precharge Test
Dual Brake Valve Pressure Test
Single Brake Valve Pressure Test
Dual Brake Valve Leakage Test
Single Brake Valve Leakage Test
Brake Accumulator Inlet Check Valve Leakage Test
Pressure Reducing Valve Pressure Test
Pressure Reducing Valve Manifold Leakage Test
Differential Lock Pressure Test
Differential Lock Leakage Test
Axle Bearing Adjustment Check
Section 9025: Hydraulic System
Group 05: Theory Of Operation
Loader And Steering Component Location
Steering Components
Steering Circuit Operation-Right Turn
Main Hydraulic Pump Operation
Steering Pump Operation
Priority Valve Operation
Steering Valve Operation (Serial Number 000401-)
Steering Valve Operation (Serial Number -000400)
Steering Crossover Relief Valve Operation
Steering Accumulator Operation (Serial Number -000400)
Steering Cylinder Operation
Secondary Steering System Operation
Inlet Manifold Operation
Loader Hydraulic System Operation
Loader Control Valve Operation
Boom Section Operation
Bucket Valve Operation
Auxiliary Valve Operation
System Relief Valve Operation Cable Skidder Only (Serial No. -532250)
Circuit Relief Valve Operation
Anticavitation Valve Operation
Pilot Circuit Operation Anticavitation Valve Operation
Pilot Control Valve Operation
Boom And Bucket Cylinders Operation
Hydraulic Reservoir And Filter Operation
Oil Cooler And Bypass Valve Operation
Ride Control Operation-In "On" Position
Ride Control Operation-In "Off" Position
Group 10: System Operational Checks
Hydraulic Operational Checks
Group 15: Diagnostic Information
Diagnose Hydraulic System Malfunctions
Hydraulic Circuit Symbols
Group 20: Adjustments
Hydraulic Oil Clean-Up Procedure Using Portable Filter Caddy
Charge Pilot Accumulator
Charge Steering Accumulator (Serial Number -000400)
Charge Loader Hydraulic System Accumulator
Charge Ride Control Accumulator
Pilot Controller Linkage Adjustment
Boom Height Kickout Adjustment
Return-To-Dig Adjustment
Steering Stop Wear Check
Group 25: Tests
JT05801 Clamp-On Electronic Tachometer Installation
JT05800 Digital Thermometer Installation
Hydraulic Oil Warm-Up Procedure
Cycle Time Test
First And Second Pump Section Combined Flow Test
Pilot Accumulator Precharge Test
Pilot Accumulator Inlet Check Valve Leakage Test
Pilot Controller Pressure Test
Loader System Relief Valve Pressure Test
Loader Circuit Relief Valve Pressure Test
Loader Cylinder Drift Test
Boom And Bucket Cylinder Leakage Test
Hydraulic System Restriction Test
Priority Valve Pressure Test
Priority Valve Relief Cartridge Leakage Test
Priority Valve "LS" Port Flow Test
Steering Crossover Relief Valve Pressure Test
Steering System Leakage Test
Steering Valve Neutral Leakage Test
Oil Cooler Bypass Valve Pressure Test
Oil Cooler Restriction Test
Secondary Steering Pump Relief Valve Pressure Test
Secondary Steering Manifold Primary Check Valve Leakage Test
Secondary Steering Manifold Secondary Check Valve Leakage Test
Section 9031: Heating And Air Conditioning
Group 05: Theory Of Operation
Refrigerant System
Electrical System
Receiver/Dryer Operation
High And Low Pressure Switch
Thermal Amplifier And Thermistor Operation
Expansion Valve Operation
Group 10: System Operational Checks
Air Conditioning Operational Checks
Group 15: Diagnostic Information
Diagnose Air Conditioning Electrical Malfunctions
Group 20: Adjustments
Refrigerant (R-12) Cautions
Check And Add Compressor Oil
Air Conditioning Gauge Set Installation Procedure
Refrigerant Recovery
Evacuate The System
Charge The System
Add Refrigerant To The System
Check And Adjust Compressor Belt Tension
Check Cab Recirculating Air Filter-If Equipped
Group 25: Tests
Refrigerant (R-12) Cautions
Air Conditioning System Test
Operating Pressure Diagnostic Chart
Expansion Valve Bench Test And Adjustment
Thermistor Operating Test And Bench Test
High And Low Refrigerant Pressure Switch Test
Leak Testing
Refrigerant Hoses And Tubing Inspection
Air Conditioning And Heater Circuit Test

John Deere 4WD Loaders 744E Operation and Test Service Manual (TM1454)