John Deere 792D LC Excavator Operation & Test Workshop Manual, Electrical Wiring Diagrams, 6076 Engine (TM1595) PDF - MJODTM1595.zip
A full Operation and Test guide featuring Electrical Wiring Diagrams for the John Deere 792D LC Excavator, offering shop-level detail for upkeep, troubleshooting, and repair just as trained technicians would perform it.
Inside the John Deere 792D LC Excavator Operation and Test workshop manual, you'll find:
* 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.
TM1595 - John Deere 792D LC Excavator Technical Manual - Operation and Test.PDF
Total Pages: 588 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
Diagnostic Information
Adjustments
Tests
Electrical System
System Information
System Diagrams
Sub-System Diagnostics
Power Train
Theory Of Operation
Diagnostic Information
Adjustments
Hydraulic System
Theory Of Operation
Diagnostic Information
Adjustments
Tests
tm1595 - 792D LC Excavator Operation and Tests
Table of Contents - Expanded View
Foreword
Help!! Help!! Help!! Help!!
Section 9000: General Information
Group 01: Safety
Follow Safe Procedures
Prepare for Emergencies
Prevent Acid Burns
Handle Chemical Products Safely
Handle Fluids Safely-Avoid Fires
Avoid High-Pressure Fluids
Warn Others of Service Work
Support Machine Properly
Operate Only from Operator's Seat
Park Machine Safely
Stay Clear of Moving Parts
Avoid Power Lines
Use Handholds and Steps
Keep Riders Off Machine
Move and Operate Machine Safely
Wear Protective Clothing
Protect Against Flying Debris
Protect Against Noise
Illuminate Work Area Safely
Service Machines Safely
Remove Paint Before Welding or Heating
Avoid Heating Near Pressurized Fluid Lines
Beware of Exhaust Fumes
Use Proper Lifting Equipment
Service Cooling System Safely
Dispose of Waste Properly
Work in a Clean Area
Use Tools Properly
Replace Safety Signs
Live With Safety
Group 02: General Specifications
792D LC Specifications
792D LC Drain And Refill Capacities
Group 03: Torque Values
Unified Inch Bolt and Cap Screw Torque Values
Metric Bolt and Cap Screw Torque Values
Additional Metric Cap Screw Torque Values
Service Recommendations for O-Ring Boss Fittings
Service Recommendations for Flat Face O-Ring Seal Fittings
Service Recommendations for 37° Flare and 30° Cone Seat Connectors
Service Recommendations For Flared Connections-Straight or Tapered Threads
Service Recommendations For Inch Series Four Bolt Flange Fittings
Service Recommendations for Metric Series Four Bolt Flange Fitting
Group 04: Fuels And Lubricants
Diesel Fuel
Low Sulfur Diesel Fuel Conditioner
Storing Fuel
Fuel Tank
Do Not Use Galvanized Containers
Diesel Engine Oil
Hydraulic Oil
Swing Gearbox, Propel Gearbox And Pump Gearbox Oils
Track Roller, Front Idler, And Carrier Roller Oil
Track Adjuster, Working Tool Pivot, Swing Bearing, And Swing Bearing Gear Grease
Oil Filters
Lubricant Storage
Alternative and Synthetic Lubricants
Mixing of Lubricants
Section 9005: Operational Checkout Procedure
Group 10: Operational Checkout Procedure
Operational Checkout Record Sheet-792D LC Excavator
Operational Checkout
Section 9010: Engine
Group 05: Theory Of Operation
6076 John Deere Engine-Use CTM42
General Engine Description
Engine-Sectional View
Engine Speed Control System Operation
Group 15: Diagnostic Information
6076 John Deere Engine-Use CTM42
Diagnose Engine Malfunctions
Group 20: Adjustments
6076 John Deere Engine-Use CTM42
JT05801 Clamp-On Electronic Tachometer Installation
Alternator Belt Tension Adjustment
Fan Belt Tension Adjustment
Fast And Slow Idle Speed Adjustments
Engine Speed Control Linkage Adjustment
Speed Control Lever Torque Adjustment
Fuel Shut-Off Solenoid Adjustment
Coolant Deaeration Procedure
Group 25: Tests
6076 John Deere Engine-Use CTM42
JT05801 Clamp-On Electronic Tachometer Installation
JT05800 Digital Thermometer Installation
Fuel Line Leakage Test
Engine Power Test Using Turbocharger Boost Pressure
Air Filter Restriction Indicator Switch Test
Air Intake System Leakage Test
Radiator Air Flow Test
Section 9015: Electrical System
Group 05: System Information
Battery Operation
Battery Specifications
Diagnose Battery Malfunctions
Check Battery Electrolyte Level And Terminals
Procedure For Testing Batteries
Using Booster Batteries-24 Volt System
Visually Inspect Electrical System
Electrical Circuit Malfunctions
High Resistance Circuit
Open Circuit
Grounded Circuit
Shorted Circuit
Multimeter
Seven Step Electrical Test Procedure
Wiring Diagram And Schematic Information
Reading A System Functional Schematic
Reading A Wiring Diagram
Electrical Schematic Symbols
Group 10: System Diagrams
Fuse (Blade-Type) Color Codes
Replacing Fuses
Switch Specifications
Engine Coolant Temperature Gauge And Sender
Fuel Gauge Sender
Component Identification Table
Wiring And Schematic Diagrams Legend
Group 15: Sub-System Diagnostics
Power Circuit Operational Information
Power Circuit Theory Of Operation
Charging Circuit Operational Information
Charging Circuit Theory Of Operation
Starting Circuit Operational Information
Starting Circuit Theory Of Operation
Starter Operation
Windshield Wiper, Horn, And Light Circuit Operational Information
Wiper, Horn And Light Circuit Theory Of Operation
Monitor Circuit Operational Information
Monitor Circuit Theory Of Operation
Engine And Pump Controller Circuit Operational Information
Engine And Pump Controller Circuit Theory Of Operation
Start Aid And Propel Alarm Circuit Operational Information
Start Aid And Propel Alarm Theory Of Operation
Starting Aid And Travel Alarm Schematic Drawing
Heater And Dome Light Circuits Operational Information
Heater And Dome Light Theory Of Operation
Section 9020: Power Train
Group 05: Theory Of Operation
Track Adjuster Operation
Propel Gearbox Operation
Group 15: Diagnostic Information
Diagnose Undercarriage Components Malfunctions
Measure Track Roller Wear
Measure Track Carrier Roller Wear
Measure Track Shoe Grouser Wear
Measure Track Link Wear
Measure Track Bushing Wear
Measure Track Chain Pitch
Measure Front Idler Wear
Measure Swing Bearing Wear
Group 20: Adjustments
Adjust Track Sag
Section 9025: Hydraulic System
Group 05: Theory Of Operation
Hydraulic System Diagram
Pilot System Operation
Pilot Pump And Filter Operation
Pilot Pressure Regulating Valve And Solenoid Valve Operation
Engine Speed And Pump Displacement Control Operation
Check Valve Block Operation
Pilot Shut-Off Valve Operation
Pilot Controller Operation-Neutral
Pilot Controller Operation-Metering And Full Stroke
Propel Pilot Controller Operation
Pilot Operation Of Main Control Valve
Flow Regulator Operation
Warm-Up Circuit Operation
Pump Inlet And Delivery Circuits Operation
Return Circuit Operation
Drain Circuit Operation
Return Filter Operation
Main Control Valve Operation
Main Control Valve Check Valves Schematic
Main Control Valve Check Valve Passages
Main Control Valve Check Valve Identification And Function
Dig And Propel System Relief Valves Circuit Operation
Flow Combiner And Swing Brake Release Valve Circuit Operation
Dig System Relief Valve Operation
Propel System Relief Valve And Swing Circuit Relief Valve Operation
Circuit Relief Valve And Anticavitation Valve Operation
Flow Sensing Valve Operation
Bucket And Auxiliary Work Circuits Operation
Boom Up Work Circuit Operation
Boom Down Work Circuit Operation
Arm In Work Circuit Operation
Arm Out Work Circuit Operation
Swing Work Circuit Operation
Control Valve Combined Function Operation
Swing And Arm Work Circuit Combined Function Operation
Propel And Bucket Work Circuit Combined Function Operation
Swing Motor Operation
Swing Motor Crossover Relief And Make-Up Valves Operation
Swing Brake Release Circuit Operation
Swing Gearbox Operation
Cylinder Operation
Splitter Drive Operation
Main Hydraulic Pump Operation
Main Hydraulic Pump Regulator Operation
Main Hydraulic Pump Displacement Operation
Main Hydraulic Pump Minimum Displacement Operation
Main Hydraulic Pump Increasing, Maximum, And Decreasing Displacement Operation
Main Hydraulic Pump Constant Horsepower System Operation
Main Hydraulic Pump Summation System Operation
Main Hydraulic Pump High-Low Maximum Displacement Operation
Propel Circuit Operation
Rotary Manifold Operation
Propel Motor Operation
Propel Control Valve Operation
Propel Motor Counterbalance Valve Propel And Neutral Operation
Propel Motor Counterbalance Valve Braking Operation
Propel Motor Crossover Relief Valve Operation
Propel Park Brake Operation
Group 15: Diagnostic Information
Diagnostic Procedure
Diagnose Hydraulic System Malfunctions
Diagnose Pilot Circuit Malfunctions
Diagnose Dig Circuit Malfunctions
Diagnose Swing Circuit Malfunctions
Diagnose Control Valve Check Valves Malfunctions
Diagnose Propel System Malfunctions
Hydraulic Circuit Symbols
Control Lever Pattern Conversion
Group 20: Adjustments
Pilot Shut-Off Valve Linkage
Group 25: Tests
JT05801 Clamp-On Electronic Tachometer Installation
JT05800 Digital Thermometer Installation
JT02156 Digital Pressure And Temperature Analyzer Installation
Hydraulic System Warm-Up Procedure
Hydraulic Oil Cleanup Procedure Using Portable Filter Caddy
Hydraulic Oil Cleanup Procedure Using Clean-Up Filter
Lower Boom With Engine Stopped
Swing Brake Release Procedure With Engine Stopped
Hydraulic Pump Start-Up Procedure
Swing Motor Start-Up Procedure
Swing Gearbox Start-Up Procedure
Propel Motor Start-Up Procedure
Hydraulic Oil Filter Inspection Procedure
Cycle Time Test
Pilot Pressure Regulating Valve Test And Adjustment
Valve Spool Actuating Pilot Pressure Test
Dig And Propel System Relief Valve Test And Adjustment
Circuit Relief Valve Test And Adjustment
Swing Motor Crossover Relief Valve Test And Adjustment
Propel Motor Crossover Relief Valve Test And Adjustment
Flow Sense Valve Test
Pump Solenoid Valve Test
Pump Performance Test Using Cycle Time Method
Main Hydraulic Pump Displacement Adjustment
Pump Regulator Test And Adjustment-Minimum Flow
Pump Regulator High And Low Maximum Flow Test And Adjustment