John Deere 20A Nursery and Green House Tractor Workshop Repair Service Manual (TM103219) PDF - MJODTM103219.zip
John Deere 20A Nursery and Green House Specialty Tractors Service Technical Manual (TM103219)
A full-coverage manual featuring diagnostic procedures, operational testing, and repair instructions, complete with electrical wiring schematics for the John Deere 20A Nursery and Green House Specialty Tractors. It contains everything needed to service, troubleshoot, fix, and rebuild these machines to the standard of a professional technician.
John Deere 20A Nursery and Green House Specialty Tractor Workshop Diagnostics and Repair 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.
tm103219 - 20A Nursery and Green House Tractors Technical Manual.pdf
Total Pages: 974 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Language: English
MAIN SECTIONS
Foreword
General Information
Safety
General Specifications
Fuel and Lubricants
Serial Number Location
Features and Accessories
Engine Repair
Engine
Cylinder Head and Valves
Cyl. Block, Liners, Pistons and Rods
Crankshaft, Main Bearings and Flywheel
Camshaft and Timing Gear Train
Lubrication System
Fuel and Air Repair
Fuel System
Air Intake and Exhaust System
Speed Control Linkage
Electrical Repair
Battery, Starter and Alternator
Electrical System Components
Wiring Harness
Power Train Repair
Clutch Housing
Clutch Assembly
Transmission
Central Pivot
Rear PTO Drive Shaft
Differential
Final Drives
Steering and Brake Repair
Steering Repair
Brake Repair
Hydraulic Repair
Hydraulic Pump and Filter
Rockshaft
Miscellaneous Repair
Wheels
3-Point Hitch
Operator Station Repair
Seat and Support
ROPS
Operator Platform
Fenders
Operational Checkout Procedures
Operational Checkout Procedures
Engine Operation, Tests and Adjustments
Component Location
Theory of Operation
Diagnosis, Tests and Adjustments
Fuel/Air Operation, Test and Adjustments
Component Location
Theory of Operation
Diagnosis, Tests and Adjustments
Electrical System Operation, Tests and Adjust
Operation and Tests-General
SE01-Starting System
SE02-Charging System
SE03-Instrument Panel
SE04-Lighting System
SE05-Turn Signal and Hazard Warning Lights
SE06-Horn
SE07-Rear PTO Warning System
SE08-7-Pin Trailer Connector
Component Information-Connectors
Component Information-Wiring Harnesses
Component Location-Electrical Parts
Component Information-Ground Connections
Wiring Diagrams
Power Train Operation, Tests and Adjustments
Component Location-Transmission
Theory of Operation-Transmission
Diagnosis, Tests, and Adjustments-Transmission
Steering and Brake Operation, Test & Adjustments
Component Location
Theory of Operation
Diagnosis, Tests and Adjustments
Hydraulic System Operation, Test and Adjustments
Component Location
Theory of Operation
Diagnosis
Hydraulic Tests
Hydraulic Schematics
tm103219 - 20A Nursery and Green House Tractors
Table of Contents
Foreword
Section 10: General Information
Group 05: Safety
Summary of References—Safety
Recognize Safety Information
Understand Signal Words
Follow Safety Instructions
Handle Fuel Safely—Avoid Fires
Prevent Battery Explosions
Prepare for Emergencies
Handling Batteries Safely
Avoid High-Pressure Fluids
Park Machine Safely
Support Machine Properly
Wear Protective Clothing
Work in Clean Area
Work In Ventilated Area
Illuminate Work Area Safely
Replace Safety Signs
Use Proper Lifting Equipment
Service Tires Safely
Avoid Harmful Asbestos Dust
Avoid Heating Near Pressurized Fluid Lines
Remove Paint Before Welding or Heating
Use Proper Tools
Dispose of Waste Properly
Live With Safety
Group 10: General Specifications
General Specifications (Summary of References)
Machine Specifications
Repair Specifications
Ground Speed Estimates
Service Recommendations for O-Ring Boss Fittings
Service Recommendations for Flat Face O-Ring Seal Fittings
Metric Bolt and Cap Screw Torque Values
Unified Inch Bolt and Cap Screw Torque Values
Group 15: Fuel and Lubricants
Fuel and Lubricants (Summary of References)
Handle Fuel Safely—Avoid Fires
Handle Fluids Safely—Avoid Fires
Fuel Storage
Cold Weather Operation
Handling and Storing Diesel Fuel
Diesel Fuel
Minimizing the Effect of Cold Weather on Diesel Engines
Bio-Diesel Fuel
Fill Fuel Tank
Diesel Engine Oil
Oil Filters
Anti-Chatter Transmission/Hydraulic Oil
Use Correct Hydraulic-Transmission Filter Element
Gear Oil
Grease
Group 20: Serial Number Location
Serial Number Location (Summary of References)
Identification Plates
Record Tractor Serial Number
Record Engine Serial Number
Transmission Serial Number
Keep Proof of Ownership
Keep Machines Secure
Group 25: Features and Accessories
Features and Accessories (Summary of References)
Features and Accessories
Standard Features
Section 20: Engine Repair
Group 05: Engine
Engine (Summary of References)
Service Equipment and Tools
Specifications
Remove Engine
Install Engine
Engine Disassembly Sequence
Engine Re-Assembly Sequence
Engine Break-In Guidelines
Diesel Engine Break-In Oil
Group 10: Cylinder Head and Valves
Cylinder Head and Valves (Summary of References)
Special or Essential Tools
Specifications
Torques for Hardware
Cylinder Head - Exploded View
Remove Cylinder Head
Clean Injection Nozzle Bores
Valve Actuating Parts
Remove Valves and Valve Springs
Clean Valve Guides
Measure Valve Guides
Clean and Inspect Valve Seats
Lapping Valve Seats
Check Valve Recess
Remove Valve Seat Inserts
Valve Seat Insert Installation
Check Valves
Grind Valves
Install Valves
Install Cylinder Head
Disassembling and Checking Rocker Arm Shaft
Reassembling Rocker Arm Shaft
Install Rocker Arm Assembly
Valve Clearance
Valve Adjustment Sequence
Install Rocker Arm Cover
Final Work
Group 15: Cyl. Block, Liners, Pistons and Rods
Cyl. Block, Liners, Pistons and Rods (Summary of References)
Special or Essential Tools
Specifications
Torques for Hardware
Exploded View
Connecting Rods - General Information
Remove Pistons and Connecting Rods
Measure Cylinder Liner Bore
Cylinder Liner Deglazing
Remove and Install Cylinder Liners
Measure Connecting Rod Bearing
Rod Bearing Clearance
Measure Connecting Rod Diameter
Parallelism Between Connecting Rod Axies
Clean and Inspect Pistons
Measure Piston Pin
Measure Piston Pin Bore
Piston Ring Grooves
Piston Head and Skirt Checking
Install Piston Rings
Piston Rings Staggering
Piston/Liner Set Information
Assemble Piston and Connecting Rod
Install Piston and Connecting Rod
Measure Piston Protrusion
Complete Final Assembly
Group 20: Crankshaft, Main Bearings and Flywheel
Crankshaft, Main Bearings and Flywheel (Summary of References)
Special or Essential Tools
Specifications
Torques For Hardware
Remove Flywheel Guard
Flywheel Removal
Install Flywheel
Remove Crankshaft Rear Oil Seal
Remove Crankshaft
Crankshaft Inspection
Check Crankshaft Journal Diameter
Determine Crankshaft Main Bearing Clearance Using PLASTIGAGE PLASTIGAGE is a trademark of DANA Corp.
Regrind Crankshaft
Crankshaft Regrinding Guidelines
Replace Crankshaft Gear
Crankshaft Installation
Group 25: Camshaft and Timing Gear Train
Camshaft and Timing Gear Train (Summary of References)
Special or Essential Tools
Specifications
Torques for Hardware
Remove Timing Gear Cover
Remove Camshaft
Measure Height of Cam Lobe
Remove and Install Camshaft Gear
Disassemble, Inspect and Assemble of Camshaft
Install Camshaft
Install Timing Gear Cover
Group 30: Lubrication System
Lubrication System (Summary of References)
Special or Essential Tools
Specifications
Replace Oil Bypass Valve
Remove Oil Pump
Oil Pump Checking
Oil Pump Gear Axial Clearance
Oil Pump Gear Radial Clearance
Oil Pump Installation
Install Oil Pan
Section 30: Fuel and Air Repair
Group 05: Fuel System
Fuel System (Summary of References)
Special or Essential Tools
Specification
Remove, Inspect and Install Fuel Tank
Replace Fuel Filter
Replace Fuel Transfer Pump
Replace Fuel Filter Assembly
Remove Fuel Injection Pump
Repair Fuel Injection Pump
Replace Throttle Lever
Install Fuel Injection Pump
Remove Fuel Injection Nozzle
Clean Fuel Injection Nozzle
Fuel Injection Nozzle Disassembly
Injector Checking and Setting
Install Fuel Injection Nozzle
Group 10: Air Intake and Exhaust System
Air Intake and Exhaust System (Summary of References)
Remove, Inspect, and Install Air Cleaner Elements
Exhaust Manifold Inspection
Group 15: Speed Control Linkage
Inspect and Repair Speed Control Linkage
Section 40: Electrical Repair
Group 05: Battery, Starter and Alternator
Battery, Starter and Alternator (Summary of References)
Remove and Install Battery