John Deere 6415 6615 7515 Tractors (2WD/MFWD) Diagnostic & Test Service Manual TM8128 - PDF - MJODTM8128.zip

Full service and diagnostics technical guide, complete with electrical schematics, covering John Deere 6415, 6615, and 7515 tractors in 2WD or MFWD configuration — Brazil models. It contains every detail shops need to maintain, troubleshoot, overhaul, and service these machines at a professional level.

The workshop Diagnosis & Tests technical manual for the John Deere 6415, 6615, and 7515 tractors contains:

* 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.

tm8128 - 6415, 6615 and 7515 Tractors Technical Manual.pdf

PRODUCT DETAILS:

Total Pages: 1,633 pages

File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)

Language: English

MAIN SECTIONS

Foreword

Recognize Safety Information

Follow Safety Instructions

Replace Safety Signs

Wear Protective Clothing

Prevent Battery Explosions

Service Tires Safely

Keep ROPS Installed Properly

Park Machine Safely

Handle Fluids Safely-Avoid Fires

Handle Fuel Safely-Avoid Fires

Prepare for Emergencies

Work in Clean Area

Prevent Machine Runaway

Work In Ventilated Area

Avoid High-Pressure Fluids

Use Proper Lifting Equipment

Illuminate Work Area Safely

Use Proper Tools

Live With Safety

General Information

Safety Measures

General References

Diagnostic Trouble Codes

BCU Diagnostic Trouble Codes

Observable Symptoms

Electrical System

SyncroPlus Transmission

PowrQuad Transmissions

Drive Systems

Steering and Brakes

Hydraulic System

Operator`s Cab

System Diagnosis

Electronics

Engine

Operational Checks

Tests and Adjustments

Fuel, Air Intake and Cooling Systems

Tests and Adjustments

Operational Theory

Electrical System - Cab Tractors

Fuse Box

Starting and Charging Circuit

Panel Warning Lights

Lights and Tail Lights

Work Lights

Radio, Dome Light, Console Light and Beacon Light

Horn and Accessories Socket

Fan and A/C

Reverse Light and Backup Alarm

Front Windshield Wiper and Washer

Rear Windshield Wiper and Washer

Trailer Connector

BCU - Turn Signal and Hazard Warning Lights

BCU - Electronic Hitch-Control - 6415/6615

BCU - Electronic Hitch-Control - 7515

BCU - Brakes

BCU - Service Connector

BCU - PTO

BCU - Engine Speed Sensor

BCU - Front-Wheel Drive

BCU - Differential Lock

Component Tests

Connectors

Electrical System - Open Operator`s Station

Fuse Box

Starting and Charging Circuit

Panel Warning Lights

Lights and Tail Lights

Work Lights

Horn

Reverse Light and Backup Alarm

Trailer Connector

BCU - Turn Signal and Hazard Warning Lights

BCU - Electronic Hitch-Control - 6415/6615

BCU - Electronic Hitch-Control - 7515

BCU - Brakes

BCU - Service Connector

BCU - PTO

BCU - Engine Speed Sensor

BCU - Front-Wheel Drive

BCU - Differential Lock

Component Tests

Connectors

Electronic Control Units

Operation and General Information on Diagnostics

Data BUS Systems, Operation

BCU - Basic Control Unit

SyncroPlus Transmission

Preliminary Checks

Operational Check

Tests and Adjustments

Operation

PowrQuad Transmissions

Operational Check

Tests and Adjustments

Operation

Range Box

Drive Systems

Operational Check

Tests and Adjustments

Operation

Steering and Brakes

Preliminary Checks

Operational Check

Tests and Adjustments

Operation

Hydraulic System

Operational Check

Tests and Adjustments

Operation

Operator`s Cab

Tests and Adjustments

Operation

Special Tools (Dealer-Fabricated)

tm8128 - 6415, 6615 and 7515 Tractors

Table of Contents

Foreword

Recognize Safety Information

Follow Safety Instructions

Replace Safety Signs

Wear Protective Clothing

Prevent Battery Explosions

Service Tires Safely

Keep ROPS Installed Properly

Park Machine Safely

Handle Fluids Safely—Avoid Fires

Handle Fuel Safely—Avoid Fires

Prepare for Emergencies

Work in Clean Area

Prevent Machine Runaway

Work In Ventilated Area

Avoid High-Pressure Fluids

Use Proper Lifting Equipment

Illuminate Work Area Safely

Use Proper Tools

Live With Safety

Section 210: General Information

Group 05: Safety Measures

Safety Measures on Electronic Control Units

Group 15: General References

General References—Summary

Unified Inch Bolt and Cap Screw Torque Values

Metric Bolt and Cap Screw Torque Values

Hydraulic System Unified Inch Fitting Torques

Hydraulic system metric fitting torques

Component Identification Table

Diagnostic Diagram and Information on Symbols in DiagramHow to use an Electrical Diagram

Electrical Diagram Symbols

Wire Numbers and Color Codes

Troubleshooting Unsolved Problems

Electrical System Visual Inspection

Circuit Malfunctions

Seven Steps Electrical Test Procedure

Hydraulic System — Circuit Symbols

Section 211: Diagnostic Trouble Codes

Group BCU: BCU Diagnostic Trouble Codes

BCU 000168.16 - System Voltage Too High (Engine Running)

BCU 000168.17 - System Voltage Too Low (Engine Speed Over 1500 rpm)

BCU 000168.18 - System Voltage Too Low (Engine Speed Up to 1500 rpm)

BCU 000190.02 - Engine Speed Sender, Circuit Fault

BCU 000629.12 - Control Unit, Internal Error

BCU 000639.12 - Control Unit, Internal Error

BCU 000639.13 - 29-bit CAN BUS, High Error Rate

BCU 000639.19 - 29-bit CAN BUS, Very High Error Rate

BCU 000746.31 - Differential Lock Solenoid Valve, Circuit Fault

BCU 000980.07 - PTO, Switch Error

BCU 299780.07 - Malfunction at Turn Signal Switch

BCU 302001.31 - OPERATOR INFORMATION 250-Hour Service

BCU 302002.31 - OPERATOR INFORMATION 500-Hour Service

BCU 302003.31 - OPERATOR INFORMATION 750-Hour Service

BCU 302004.31 - OPERATOR INFORMATION 1500-Hour Service

BCU 302071.31 - OPERATOR INFORMATION Turn PTO switch OFF

BCU 302073.31 - PTO Solenoid, Circuit Fault

BCU 302080.31 - Differential Lock, Switch Error

BCU 302082.31 - OPERATOR INFORMATION Actuate Front-Wheel Drive Switch

BCU 302085.31 - Front Wheel Drive, Switch Error

BCU 302086.31 - Front-Wheel Drive Clutch Solenoid, Circuit Fault

BCU 302089.31 - OPERATOR INFORMATION Turn PTO switch OFF

BCU 302106.31 - Control Unit, Internal Error

BCU 302131.31 - Fault in Turn Signal Circuit

BCU 302132.31 - Defective Hazard Warning Light Fuse F113 and/or F114

BCU 302133.31 - PTO, Switch Error

BCU 302240.31 - Control Unit Connected to Wrong Wiring Harness Connector

BCU 303027.31 - Calibration of Hitch Control Unit Not Successful

BCU 303028.31 - Hitch Control Unit Not Calibrated

BCU 303037.03 - 5-Volt Supply Voltage Too High

BCU 303037.04 - 5-Volt Supply Voltage Too Low

BCU 303041.02 - Stepper Motor Coil 1, Open Lead

BCU 303042.02 - Stepper Motor Coil 2, Open Lead

BCU 303043.02 - Stepper Motor Coil 1, Circuit Fault

BCU 303044.02 - Stepper Motor Coil 2, Circuit Fault

BCU 303045.04 - System Voltage Too Low

BCU 303047.03 - System Voltage Too High

BCU 303049.02 - Conflicting Signals from Quick Raise/Lower Switch and Remote Switch

BCU 303049.03 - Rapid Raise/Lower Rocker Switch, Signal Voltage Too High

BCU 303049.04 - Rapid Raise/Lower Rocker Switch, Signal Voltage Too Low

BCU 303051.03 - Left Draft Sender, Signal Voltage Too High

BCU 303051.04 - Left Draft Sender, Signal Voltage Too Low

BCU 303052.03 - Right Draft Sender, Signal Voltage Too High

BCU 303052.04 - Right Draft Sender, Signal Voltage Too Low

BCU 303053.03 - Sensitivity Potentiometer, Signal Voltage Too High

BCU 303053.04 - Sensitivity Potentiometer, Signal Voltage Too Low

BCU 303054.03 - Hitch Height Control Potentiometer, Signal Voltage Too High

BCU 303054.04 - Hitch Height Control Potentiometer, Signal Voltage Too Low

BCU 303055.03 - Position Sensor, Signal Voltage Too High

BCU 303055.04 - Position Sensor, Signal Voltage Too Low

BCU 303056.03 - Raise Limit Potentiometer, Signal Voltage Too High

BCU 303056.04 - Raise Limit Potentiometer, Signal Voltage Too Low

BCU 303057.03 - Rate-of-Drop Potentiometer, Signal Voltage Too High

BCU 303057.04 - Rate-of-Drop Potentiometer, Signal Voltage Too Low

BCU 303058.02 - Remote Control Switch, Erroneous Signal

BCU 303060.02 - Stepper Motor Deadband Out of Range

BCU 303251.02 - Left Draft Sender, Disrupted Signal During Calibration

BCU 303251.03 - Left Draft Sender, Signal Voltage Too High During Calibration

BCU 303251.04 - Left Draft Sender, Signal Voltage Too Low During Calibration

BCU 303252.02 - Right Draft Sender, Disrupted Signal During Calibration

BCU 303252.03 - Right Draft Sender, Signal Voltage Too High During Calibration

BCU 303252.04 - Right Draft Sender, Signal Voltage Too Low During Calibration

BCU 303255.03 - Position Sender, Signal Voltage Too High During Calibration

BCU 303255.04 - Position Sender, Signal Voltage Too Low During Calibration

BCU 303260.16 - Stepper Motor Raising Deadband Above Valid Range During Calibration

BCU 303260.18 - Stepper Motor Raising Deadband Below Valid Range During Calibration

BCU 303261.16 - Stepper Motor Lowering Deadband Above Valid Range During Calibration

BCU 303261.18 - Stepper Motor Lowering Deadband Below Valid Range During Calibration

Section 212: Observable Symptoms

Group 40: Electrical System

Control Unit(s) Not Displayed

Diagnostic Mode Cannot Be Entered or Connection Problems with Service ADVISOR (Cab Tractors)

Diagnostic Mode Cannot Be Accessed or Connection Problems with Service ADVISOR (Open operator's station)

Problems with the Battery

Problems with the Starter Motor

Problems with the Horn — Optional

Problems with the Windshield Wiper

Problems with the Windshield Washer

Group 50: SyncroPlus Transmission

Problems with SyncroPlus Transmission

Group 55: PowrQuad Transmissions

Problems with PowrQuad Transmission

Group 56: Drive Systems

Problems with the PTO

Group 60: Steering and Brakes

Problems with the Brakes

Problems with the Steering

Group 70: Hydraulic System

Problems with the Rockshaft

Problems with the Rockshaft's Remote Control

Group 90: Operator's Cab

Problems with the Air-Conditioning System

Section 213: System Diagnosis

Group 45: Electronics

29-bit CAN BUS - Check (Cab Tractors)

Section 220: Engine

Group 10: Operational Checks

Safety

Preliminary Engine Testing

Group 15: Tests and Adjustments

Dynamometer test

Section 230: Fuel, Air Intake and Cooling Systems

Group 15: Tests and Adjustments

Tests & Adjustments—Summary of References

Safety Information

Explanation Of Checks

Safety

Special Tools

Specification

Testing Air Intake System

Checking the Cooling System for Leaks

Testing Temperature at Which the Thermostat Opens

Hand Throttle Lever and Accelerator Pedal Adjustment

Accelerator Pedal Adjustment

Group 20: Operational Theory

Component Description - Summary of References

Fuel System - Description

Air Intake System - Theory of Operation

Automatic Drive Belt Tensioner - Theory of Operation

Section 240: Electrical System - Cab Tractors

Group 05: Fuse Box

Theory of Operation

Electrical Diagram

Group 05A: Starting and Charging Circuit

Theory of Operation

Electrical Diagram