Complete service repair manual for John Deere 120C Excavator, with all the shop information to maintain, service and repair like professional mechanics.

John Deere 120C Excavator workshop service & repair 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.

TM1935 - John Deere 120C Excavator Technical Manual (Repair).pdf
tm10285 - John Deere Excavadora 120C.pdf
tm10215 - John Deere Excavatrice 120C.pdf

Category: Repair
Language: Spanish French
Published on 2015/08/30
Total Pages: 515 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)

MAIN SECTIONS
Foreword
   Technical Information Feedback Form
   General Information
      Safety
      Torque Values
   Tracks
      Track System
   Axles and Suspension Systems
      Axle Shaft, Bearings, and Reduction Gears
      Hydraulic System
   Engine
      Removal and Installation
   Engine Auxiliary Systems
      Cooling System
      Intake System
      External Fuel Supply Systems
   Dampener Drive (Flex Coupling)
      Elements
   Frame or Supporting Structure
      Frame Installation
      Chassis Weights
   Operator’s Station
      Removal and Installation
      Operator Enclosure
      Seat and Seat Belt
      Heating and Air Conditioning
   Bulldozers (Backfill Blade)
      Blades
      Hydraulic System
   Excavator
      Buckets
      Frames
      Hydraulic System
   Swing or Pivoting System
      Mechanical Drive Elements
      Hydraulic System
   Dealer Fabricated Tools
   
tm1935 - 120C Excavator
Table of Contents
Foreword
Technical Information Feedback Form
Section 00: General Information
Group 0001: 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 0003: Torque Values
Unified Inch Bolt and Screw Torque Values
Metric Bolt and Screw Torque Values
Additional Metric 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 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
Section 01: Tracks
Group 0130: Track System
Track Roller, Front Idler, and Carrier Roller Oil
Track Roller Repair
Track Carrier Roller Repair
Metal Face Seals Repair
Track Shoe Repair
Track Chain Repair
Broken Track Chain Part Repair
Sprocket Repair
Front Idler Repair
Track Adjuster and Recoil Spring Repair
Track Adjuster Cylinder Repair
Section 02: Axles and Suspension Systems
Group 0250: Axle Shaft, Bearings, and Reduction Gears
Propel Gearbox Repair
Group 0260: Hydraulic System
Propel Motor Repair
Propel Motor Start-Up Procedure
Rotary Manifold Repair
Section 04: Engine
Group 0400: Removal and Installation
Engine Repair
Fuel Injection Pump Repair
Starter Repair
Section 05: Engine Auxiliary Systems
Group 0510: Cooling System
Radiator Repair
Fan, Fan Guard, and Fan Shroud Repair
Fan Belt Repair
Group 0520: Intake System
Air Intake System Leakage Test
Air Cleaner Repair
Group 0560: External Fuel Supply Systems
Fuel Tank Repair
Primary Fuel Filter (Water Separator) Repair
Final Fuel Filter Repair
Section 07: Dampener Drive (Flex Coupling)
Group 0752: Elements
Dampener Drive (Flex Coupling) Remove and Install (S.N. —034261)
Dampener Drive (Flex Coupling) Repair (S.N. 034262— )
Section 17: Frame or Supporting Structure
Group 1740: Frame Installation
Welding On Machine
Welding Repair of Major Structure
Group 1749: Chassis Weights
Counterweight Repair
Section 18: Operator’s Station
Group 1800: Removal and Installation
Cab Repair
Group 1810: Operator Enclosure
Windowpane and Two Piece Molding Repair
Windowpane and One Piece Molding Repair
Sliding Windows Repair
Windowpanes Repair
Group 1821: Seat and Seat Belt
Seat Belt Repair
Group 1830: Heating and Air Conditioning
Refrigerant Cautions and Proper Handling
Flush and Purge Air Conditioner System
R134a Refrigerant Oil Information
R134a Refrigerant Recovery/Recycling and Charging Station Installation Procedure
Recover R134a Refrigerant
Evacuate R134a System
Charge R134a System
Compressor Repair
Receiver-Dryer Repair
Air Conditioner and Heater Repair
Condenser Repair
Section 32: Bulldozers (Backfill Blade)
Group 3201: Blades
Backfill Blade Repair
Group 3260: Hydraulic System
Backfill Blade Pump Repair
Backfill Blade Control Valve Repair
Backfill Blade Pilot Controller Repair
Backfill Blade Pilot Valve Repair
Backfill Blade Cylinder Repair
Section 33: Excavator
Group 3302: Buckets
Bucket Repair
Adjust Bucket Pivot End Play
Bucket Pin-Up Data
Group 3340: Frames
Bucket Links Repair
Arm Repair
Boom Repair
Inspect Boom, Arm, and Bucket Pins, Bushings and Bosses
Bushings and Seals Repair
Group 3360: Hydraulic System
Hydraulic Oil Tank Vent Procedure
Hydraulic Oil Cleanup Procedure Using Portable Filter Caddy
Hydraulic Pump Repair
Hydraulic Pump Start-Up Procedure
Hydraulic Pump Regulator Repair
Pilot Pump Repair
Pilot Pressure Regulating Valve and Filter Repair
Pilot Shut-Off Valve Repair
Propel Speed and Arm Regenerative Solenoid Valve Repair
Pilot Controller Repair
Propel Pilot Controller Repair
Pilot Signal Manifold Repair
Control Valve Repair
Hydraulic Oil Tank Repair
Restriction Valve Repair
Oil Cooler Bypass Valve Repair
Oil Cooler Repair
Boom Cylinder Repair
Arm Cylinder Repair
Bucket Cylinder Repair
Boom, Arm, or Bucket Cylinder Repair
Hydraulic Cylinder Bleed Procedure
Section 43: Swing or Pivoting System
Group 4350: Mechanical Drive Elements
Swing Gearbox Repair
Swing Gearbox Start-Up Procedure
Upperstructure
Swing Bearing Repair
Group 4360: Hydraulic System
Swing Motor and Park Brake Repair
Swing Motor and Park Brake Start-Up Procedure
Section 99: Dealer Fabricated Tools
Group 9900: Dealer Fabricated Tools
ST4920 Track Recoil Spring Disassembly and Assembly Tool
DFT1087 Track Recoil Spring Disassembly and Assembly Guard Tool
DFT1112 Spacer
DF1036A Propel Gearbox Nut Wrench
DFT1109 Holding Bar
Rotary Manifold Lifting Tool
DFT1089 Barrel Support
DFT1113 Guide Pin
DFT1119 Pump Support
DFT1237 Swing Gearbox Nut Spanner Wrench

John Deere 120C Excavator Repair Technical Manual (TM1935)