John Deere 4WD Loader 304H Operation and Test Service Manual (TM1863)
Complete Operation and Test manual with Electrical Wiring Diagrams for John Deere 4WD Loader 304H, with technical information to maintain, diagnose, and service like professional mechanics.
John Deere 4WD Loader 304H workshop Operation and Test 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.
TM1863 - John Deere 304H 4WD Loader Technical Manual (Operation and Test).PDF
TM1863 - John Deere 304H 4WD Loader Technical Manual (Operation and Test).epub
Total Pages: 784
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English
MAIN SECTIONS
Foreword
General Information
Safety Information
General Specifications
Torque Values
Fuels and Lubricants
Operational Checkout Procedure
Operational Checkout Procedure
Engine
Theory of Operation
Diagnostic Information
Adjustments
Tests
Electrical System
System Information
System Diagrams
Sub-System Diagnostics
References
Adjustments
Power Train
Theory Of Operation
Diagnostic Information
Adjustments
Tests
Hydraulic System
Theory Of Operation
Diagnostic Information
Adjustments
Test
Heating and Air Conditioning
Theory of Operation
Diagnostic Information
Adjustments
Tests
Total Pages: 786 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Language: English
CONTENTS - Expanded View
9000 - GENERAL INFORMATION
01 - Safety
Avoid Heating Near Pressurized Fluid Lines
Avoid High-Pressure Fluids
Dispose of Waste Properly
Handle Chemical Products Safely
Handle Fluids Safely-Avoid Fires
Illuminate Work Area Safely
Keep ROPS Installed Properly
Live With Safety
Park Machine Safely
Practice Safe Maintenance
Prepare for Emergencies
Prevent Acid Burns
Prevent Battery Explosions
Remove Paint Before Welding or Heating
Replace Safety Signs
Service Machines Safely
Service Tires Safely
Support Machine Properly
Use Proper Lifting Equipment
Use Proper Tools
Wear Protective Clothing
Work in Clean Area
Work In Ventilated Area
02 - General Specifications
10 - CAN Monitor Unit (CMU) Diagnostic Trouble Codes
20 - Engine Control Module (ECM) Diagnostic Trouble Codes
304H Loader Specifications
30 - Transmission Control Unit (TCU) Diagnostic Trouble Codes
40 - Flex Load Controller (FLU) Diagnostic Trouble Codes
50 - Sealed Switch Module (SSM) Diagnostic Trouble Codes
Drain and Refill Capacities
03 - Torque Values
05 - Theory of Operation
15 - Diagnostic Information
20 - Adjustments
25 - Tests
Additional Metric Cap Screw Torque Values
Hardware Torque Specifications
Keep ROPS Installed Properly
Metric Bolt and Cap Screw Torque Values
Service Recommendations For Inch Series Four Bolt Flange Fittings
Service Recommendations For Metric 24302260 O-Ring Seal DIN 20078
Service Recommendations for Metric Series Four Bolt Flange Fitting
Service Recommendations For Non-Restricted Banjo (Adjustable) Fittings
Service Recommendations For O-Ring Boss Fittings With Shoulder
04 - Fuels and Lubricants
10 - CAN Monitor Unit (CMU) Diagnostic Trouble Codes
20 - Engine Control Module (ECM) Diagnostic Trouble Codes
30 - Transmission Control Unit (TCU) Diagnostic Trouble Codes
40 - Flex Load Controller (FLU) Diagnostic Trouble Codes
50 - Sealed Switch Module (SSM) Diagnostic Trouble Codes
Alternative and Synthetic Lubricants
Diesel Engine Oil
Diesel Fuel
Diesel Fuel Storage
Fuel Tank
Grease
Hydraulic System, Park Brake, and Differential Oil
Low Sulfur Diesel Fuel Conditioner
Lubricant Storage
Lubricity of Diesel Fuel
Mixing of Lubricants
Service Brake Oil
9005 - OPERATIONAL CHECKOUT PROCEDURE
10 - Operational Checkout Procedure
Complete Machine Operational Checkout
Operational Checkout Record Sheet-304H
9010 - ENGINE
05 - Theory of Operation
Engine-Sectional View
General Engine Description
Yanmar 3.3 L (4TNE98) Engine-Use CTM119
15 - Diagnostic Information
Diagnose Engine Malfunctions
Make Visual Inspection of Engine and Supporting Systems
Yanmar 3.3 L (4TNE98) Engine-Use CTM119
20 - Adjustments
Alternator and A _ C Compressor Belts Tension Adjustment
Injection Pump Static Timing Adjustment
JT05801 Clamp-On Electronic Tachometer Installation
Slow and Fast Idle Adjustment
Speed Control Linkage Adjustment
Yanmar 3.3 L (4TNE98) Engine-Use CTM119
25 - Tests
Air Intake System Leakage Test
Engine Power Test Using Engine Pulldown
Fuel Line Leakage Test
JT05800 Digital Thermometer Installation
JT05801 Clamp-On Electronic Tachometer Installation
Yanmar 3.3 L (4TNE98) Engine-Use CTM119
9015 - ELECTRICAL SYSTEM
05 - System Information
Component Identification Table
Electrical Circuit Malfunctions
Electrical Schematic Symbols
Electrical System Visual Inspection
Fuse (Blade-Type) Color Codes
Grounded Circuit
High Resistance Circuit
Multimeter
Open Circuit
Reading a Component Location Diagram
Reading a Connector End View Diagram
Reading a System Functional Schematic
Reading a Wiring Diagram
Schematic, Wiring Diagram, and Component Location Information
Sensor Circuit Shorted to Ground
Sensor Circuit Shorted to Itself
Sensor Circuit Shorted to Power
Seven Step Electrical Test Procedure
Shorted Circuit
10 - System Diagrams
A _ C Harness (Roof Mounted) (W18) Component Location
Blower And A _ C Harness (Door Mounted) (W17) Component Location
Cab Main Harness (W3) Component Location
Cab Main Harness (W3) Connectors, Wire, And Pin Locations
Cab Rear Harness (W6) Component Location
Cab Work Light Harness (W7) Component Location
Cab Work Light Harness (W7) Connectors, Wire, And Pin Locations
Front Console Harness (W4) Component Location
Front Console Harness (W4) Connectors, Wire, And Pin Locations
Fuse Specifications
Loader _ Rear Frame Harness (W2) Component Location
Loader _ Rear Frame Harness (W2) Connectors, Wire, And Pin Locations
Main System Functional Schematic
Main System Functional Schematics and Component Location Legend
Main System Functional Schematic Section Legend
Optional Hydraulic Fourth Function Harness (W16) Component Location
Power And Battery Cables (W1) Component Location
Side Console Harness (W5) Component Location
15 - Sub-System Diagnostics
Brake Lights Circuit Diagnostic Procedures
Brake Lights Circuit Functional Schematic
Brake Lights Circuit Operational Information
Brake Lights Circuit Theory Of Operation
Cab Work, Dome, And Beacon Lights Circuit Functional Schematic
Cab Work, Dome, And Beacon Lights Circuits Diagnostic Procedures
Cab Work, Dome, And Beacon Lights Circuits Theory Of Operation
Charging Circuit Diagnostic Procedures
Charging Circuit Functional Schematic
Charging Circuit Operational Information
Charging Circuit Theory Of Operation
Cooling Fan Drive Low _ High Speed Circuit Functional Schematic
Cooling Fan Drive Low _ High Speed Circuit Operational Information
Cooling Fan Drive Low _ High Speed Circuit Theory Of Operation
Disconnect steering column combination switch connector (X25)
Drive Lights, Marker Lights, And Tail Lights Circuit Diagnostic Procedures
Drive Lights, Marker Lights, And Tail Lights Circuits Functional Schematic
Drive Lights, Marker Lights, And Tail Lights Circuits Operational Information
Drive Lights, Marker Lights, And Tail Lights Circuits Theory Of Operation
Fan Drive Low _ High Speed Circuit Diagnostic Procedures
Front Windshield Wiper And Horn Circuit Diagnostic Procedures
Front Windshield Wiper And Horn Circuit Functional Schematic
Front Windshield Wiper And Horn Circuit Theory Of Operation
Fuel Shut-Off Circuit Diagnostic Procedures
Fuel Shut-Off Circuit Functional Schematic
Fuel Shut-Off Circuit Theory of Operation
Heater Blower And Air Conditioning Circuit Diagnostic Procedures
Heater Blower And Air Conditioning Circuit Functional Schematic
Heater Blower And Air Conditioning Circuit Operational Information
Heater Blower And Air Conditioning Circuit Theory Of Operation
Hydraulic Fourth Function Circuit Diagnostic Procedures
Hydraulic Fourth Function Circuit Functional Schematic
Hydraulic Fourth Function Circuit Operational Information
Hydraulic Fourth Function Circuit Theory Of Operation
Hydrostatic Transmission Control, Park Brake Release, And Backup Alarm Circuits Diagnostic Procedures
Hydrostatic Transmission Control, Park Brake Release, And Backup Alarm Circuits Functional Schematic
Hydrostatic Transmission Control, Park Brake Release, And Backup Alarm Circuits Operational Information
Hydrostatic Transmission Control, Park Brake Release, And Backup Alarm Circuits Specifications
Hydrostatic Transmission Control, Park Brake Release, And Backup Alarm Circuits Theory Of Operation
Monitor Power, Alarm, And Mode Switch Circuits Diagnostic Procedures
Monitor Power, Alarm, And Mode Switch Circuits Functional Schematic
Monitor Power, Alarm, And Mode Switch Circuits Operational Information
Monitor Power, Alarm, And Mode Switch Circuits Theory Of Operation
Neutral Start Circuit Diagnostic Procedures
Neutral Start Circuit Functional Schematic
Neutral Start Circuit Operational Information
Neutral Start Circuit Theory Of Operation
Pilot, Boom Height Kickout, And Return-To-Dig Circuit Functional Schematic
Pilot, Boom Height Kickout, And Return-To-Dig Circuit Operational Information
Pilot, Boom Height Kickout, And Return-To-Dig Circuit Theory Of Operation
Pilot, Boom Height Kickout, And Return-To-Dig Diagnostic Procedures
Power Circuit Diagnostic Procedures
Power Circuit Functional Schematic
Power Circuit Operational Information
Power Circuit Theory Of Operation
Preheat And Start Release Circuits Diagnostic Procedures
Preheat And Start Release Circuits Functional Schematic
Preheat And Start Release Circuits Operational Information
Preheat And Start Release Circuits Theory Of Operation
Radio And Accessories Circuit Functional Schematic
Radio And Accessories Circuit Theory Of Operation
Rear Windshield Wiper Circuit Diagnostic Procedures
Rear Windshield Wiper Circuit Functional Schematic
Rear Windshield Wiper Circuit Theory Of Operation
Turn Lights And Flasher Circuit Diagnostic Procedures
Turn Lights And Flasher Circuit Functional Schematic
Turn Lights And Flasher Circuit Operational Information
Turn Lights And Flasher Circuit Theory Of Operation
20 - References
Alternators And Starting Motors-Use CTM119
Battery Operation
Battery Specifications
Change Monitor Speed Display-Metric _ English
Check Battery Electrolyte Level And Terminals
Diagnose Battery Malfunctions
Monitor Service Codes
Procedure For Testing Batteries
Using Booster Batteries-12 Volt System
25 - Tests
Adjust Boom Height Kickout
Adjust Return-To-Dig
Speed Sensor Adjustment
9020 - POWER TRAIN
05 - Theory of Operation
Drive Dampener
Final Drive Operation
Front And Rear Axle Differential Operation
Gear Case Operation
High Pressure Relief Valve Operation
Hydrostatic Motor-Forward (High Speed)
Hydrostatic Motor Operation-Neutral
Hydrostatic Motor-Reverse (Low Speed)
Hydrostatic Pump Control Operation-Forward (Engine Speed At Fast Idle)
Hydrostatic Pump Control Operation-Reverse (Engine Speed At Less Than Fast Idle)
Hydrostatic Pump Operation
Hydrostatic Pump Swashplate Operation
Hydrostatic Transmission-Forward (High Speed)
Hydrostatic Transmission-Forward (Low Speed)
Hydrostatic Transmission Operation-Neutral
Hydrostatic Transmission-Reverse (Low Speed)
Inching Valve Operation
Park Brake Operation
Park Brake Release Solenoid Valve Operation
Power Train Description
Service And Park Brake Description
15 - Diagnostic Information
Diagnose Differential And Axle Malfunctions
Diagnose Driveline Malfunctions
Diagnose Hydrostatic Transmission Malfunctions
Diagnose Park Brake Malfunctions
Diagnose Service Brake Malfunctions
Hydraulic Circuit Symbols
Hydrostatic Transmission Schematic
Power Train Component Location
Service And Park Brake System Component Location
Service And Park Brake System Schematic
20 - Adjustments
Brake _ Inching Pedal Linkage Adjustment
Hydraulic Oil Clean-Up Procedure Using Portable Filter Caddy
Hydrostatic Motor Minimum Displacement Adjustment
Hydrostatic Pump Servo Piston Neutral Adjustment
Hydrostatic Start-Up Procedure
Hydrostatic Transmission Oil Warm-Up Procedure
JT05800 Digital Thermometer Installation
JT05801 Clamp-On Electronic Tachometer Installation
Park Brake Adjustment
25 - Tests
Before Performing Hydrostatic Transmission Tests
Directional Control Valve Spool Leakage Test
High Pressure Relief Valve Test And Adjustment
Hydrostatic Adjusting Screws (With Tamper-Proof Caps)
Hydrostatic Motor Begin Regulation Of Displacement Control Valve Test And Adjustment
Hydrostatic Pump Begin Regulation Test And Adjustment
Hydrostatic Pump Isolation Procedure
Hydrostatic Pump Performance (Timing) Test And Adjustment
Hydrostatic Pump Pressure Override (POR) Valve Pressure Test And Adjustment
Hydrostatic Transmission Oil Warm-Up Procedure
JT05800 Digital Thermometer Installation
JT05801 Clamp-On Electronic Tachometer Installation
Neutral Charge Relief Valve Pressure Test And Adjustment
Park Brake Release Pressure Test
9025 - HYDRAULIC SYSTEM
05 - Theory of Operation
Cooling Fan Pump And Motor Circuit
Loader Control Valve
Main Hydraulic Pump
Main Hydraulic System
Pilot Control Valve
Pilot Lockout Solenoid Valve Operation
Priority Valve
Steering Circuit
Steering Valve, Cylinder Relief Valve
Steering Valve
System And Circuit Relief Valves (With Anti-Cavitation)
15 - Diagnostic Information
Diagnose Hydraulic System Malfunctions
Hydraulic Circuit Symbols
Loader, Fan Drive and Fourth Function System Component Location
Loader, Fan Drive, and Fourth Function System Schematic
Steering System Component Location
Steering System Schematic
20 - Adjustments
Hydraulic Oil Clean-Up Procedure Using Portable Filter Caddy
25 - Tests
Boom and Bucket Cylinder Leakage Test
Boom Lock Installation
Cooling Fan Motor RPM Test
Cooling Fan System Pressure and Pump Flow Test
Cycle Time Test
Hydraulic Oil Warm-Up Procedure
JT05800 Digital Thermometer Installation
JT05801 Clamp-On Electronic Tachometer Installation
Loader Circuit Relief Valve Pressure Test
Loader Cylinder Drift Test
Loader System Relief Valve Pressure Test
Main Hydraulic Pump Flow Test
Pilot Control Valve Pressure Test
Steering Cylinder Leakage Test
Steering System Maximum Pressure Test
Steering Valve Leakage Test
9031 - HEATING AND AIR CONDITIONING
05 - Theory of Operation
Compressor Operation
Condenser Operation
Evaporator Coil Operation
Expansion Valve Operation
Freeze Control Switch Operation
Heat Exchanger Operation
Low _ High Pressure Switch (Door Mounted)
Proper Refrigerant Handling
R134a Refrigerant Cautions
Receiver-Dryer Operation
Refrigerant Theory of Operation
Temperature Control, Blower Switch, and Air Conditioning Switch Operation (Door Mounted)
15 - Diagnostic Information
Diagnose Air Conditioning System Malfunctions
Diagnose Heater System Malfunctions
20 - Adjustments
Air Conditioner System Cleaning Procedures
Charge R134a System
Essential Tools
Evacuate R134a System
Flush Air Conditioner System
Leak Testing
Other Material
Purge Air Conditioner System
R134a Component Oil Charge
R134a Compressor Oil Charge Check
R134a Compressor Oil Removal
R134a Refrigerant Cautions
R134a Refrigerant Recovery, Recycling and Charging Station Installation Procedure
Recover R134a System
Refrigerant Hoses and Tubing Inspection
Service Equipment and Tools
Specifications
25 - Tests
Freeze Control Switch Test
Leak Testing
Low _ High Pressure Switch Test
Operating Pressure Diagnostic Chart
Proper Refrigerant Handling
R134a Air Conditioning System Test
R134a Refrigerant Cautions
Refrigerant Hoses and Tubing Inspection
John Deere 4WD Loader 304H Operation and Test Service Manual (TM1863)