Complete Diagnostics, Operation and Test manual with electrical wiring diagrams for John Deere Excavators 330CLC, 370C, with all the workshop information to maintain, diagnose, and rebuild like professional mechanics.

John Deere Excavators 330CLC, 370C workshop Operation & 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.

TM1926 - John Deere 330CLC and 370C Excavator Technical Manual - Operation & Test.pdf

Total Pages: 656 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable)
Language: English

MAIN SECTIONS
Foreword
   Technical Information Feedback Form
   General Information
      Safety
   Operational Checkout Procedure
      Operational Checkout Procedure
   Engine
      Theory of Operation
      Diagnostic Information
      Tests
   Electrical System
      System Information
      System Diagrams
      Sub-System Diagnostics
      References
   Power Train
      Theory of Operation
      Diagnostic Information
   Hydraulic System
      Theory Of Operation
      Diagnostic Information
      Tests
   Heating and Air Conditioning
      Theory Of Operation
      Diagnostic Information
      Tests
   Dealer Fabricated Tools

Table of Contents
Foreword
Technical Information Feedback Form
Section 9000: General Information
Group 01: Safety
Recognize Safety Information
Follow Safety Instructions
Operate Only If Qualified
Wear Protective Equipment
Avoid Unauthorized Machine Modifications
Add Cab Guarding for Special Uses
Inspect Machine
Stay Clear of Moving Parts
Avoid High-Pressure Oils
Beware of Exhaust Fumes
Prevent Fires
Prevent Battery Explosions
Handle Chemical Products Safely
Dispose of Waste Properly
Prepare for Emergencies
Use Steps and Handholds Correctly
Start Only From Operator's Seat
Use and Maintain Seat Belt
Prevent Unintended Machine Movement
Avoid Work Site Hazards
Keep Riders Off Machine
Avoid Backover Accidents
Avoid Machine Tip Over
Use Special Care When Lifting Objects
Add and Operate Attachments Safely
Park and Prepare for Service Safely
Service Cooling System Safely
Remove Paint Before Welding or Heating
Make Welding Repairs Safely
Drive Metal Pins Safely
Section 9005: Operational Checkout Procedure
Group 10: Operational Checkout Procedure
Operational Checkout
Section 9010: Engine
Group 05: Theory of Operation
Engine Speed Control System Operation
Group 15: Diagnostic Information
Diagnose Engine Malfunctions
Group 25: Tests
Engine Speed Test
Fuel Line Leakage Test
Air Filter Restriction Indicator Switch Test
Air Intake System Leakage Test
Radiator Air Flow Test
Engine Power Test Using Turbocharger Boost Pressure
Section 9015: Electrical System
Group 05: System Information
Electrical Diagram Information
Group 10: System Diagrams
Explanation of Wire Markings
Fuse Specifications
System Functional Schematic and Master Legend
Overall Machine Harnesses Component Location Diagram
Cab Harness (W1) and Alternator Relay Sub-Harness (W11) Component Location Diagram
Cab Harness (W1) and Alternator Relay Sub-Harness (W11) Component Location Diagram—Harness Connectors
Engine Harness (W2) Component Location Diagram
Engine Harness (W2) Component Location Diagram—Harness Connectors
Monitor Harness (W3) and Windshield Wiper Motor Sub-Harness (W6) Component Location Diagram
Monitor Harness (W3) and Windshield Wiper Motor Sub-Harness (W6) Component Location Diagram—Harness Connectors
Air Conditioner and Heater Harness (W7) Component Location
Air Conditioner and Heater Harness (W7) Wiring Diagram
Pump Harness (W12) Component Location Diagram
Pump Harness (W12) Component Location Diagram—Harness Connectors
Engine Control Unit Harness (W19) Component Location Diagram
Engine Control Unit Harness (W19) Component Location Diagram—Harness Connectors
Engine Control Unit Engine Harness (W20) Component Location Diagram
Engine Control Unit Engine Harness (W20) Component Location—Harness Connectors
Fuel Injector Harness (W22) Component Location Diagram
Fuel Injector Harness (W22) Component Location Diagram—Harness Connectors
Group 15: Sub-System Diagnostics
Starting and Charging Circuit Theory of Operation
Travel Alarm Circuit Theory of Operation
Monitor Controller and Display Circuit Theory of Operation
Engine Control Unit Circuit Theory of Operation
Pump and Valve Controller Circuit Theory of Operation
Windshield Wiper And Washer Circuit Theory of Operation
Air Conditioner and Heater Controller Circuit Theory of Operation
Group 20: References
Diagnostic Display Unit (DDU) Operation
Engine Service Codes
Laptop Computer Connection To Engine Control Unit Using Service ADVISOR
Laptop Computer Connection To Pump and Valve Controller Using Service ADVISOR or Excavator Diagnostic Program
Excavator Diagnostic Program General Description and Overview
Reading Service Codes Without Laptop Computer
Monitor Display Diagnostic System Operation
Monitor Data Items
Pump and Valve Controller Service Codes
Alternator Test Procedure
Fuse Test
Pump and Valve Controller Pressure Sensors Test
Pump and Valve Controller Solenoids Test
Pump and Valve Controller Temperature Sensor Test
Engine Control Unit Pressure Sensors and Solenoids Test
Engine Control Unit Temperature Sensors Test
Engine Control Unit Speed Sensors Test
Engine Speed (N) Sensor Test
Electrical Component Checks
Remove and Install Batteries
Remove and Install Propel Alarm Cancel Switch
Remove and Install Key Switch
Remove and Install Travel Alarm
Remove and Install Windshield Wiper Enable Switch
Remove and Install Rear Cover
Remove and Install Switch Panel (A4)
Remove and Install Monitor Controller and Display (A5)
Disconnect Tab Retainer Connectors
Disconnecting Spring Wire Clip Connectors
Replace DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Connectors
Install DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Contacts
Replace WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Connector
Install WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Contacts
Remove Connector Body from Blade Terminals
Section 9020: Power Train
Group 05: Theory of Operation
Track Adjuster And Recoil Spring Operation
Propel Gearbox Operation—330CLC (S.N. —082518)
Propel Gearbox Operation—330CLC (S.N. 082519— )
Propel Gearbox Operation—370C
Group 15: Diagnostic Information
Diagnose Undercarriage Components Malfunctions
Measure Swing Bearing Wear
Section 9025: Hydraulic System
Group 05: Theory Of Operation
Hydraulic System Diagram and Operation
Pilot System Diagram and Operation
Pilot Pump, Pressure Regulating Valve, and Filter Operation
Pilot Shut-Off Valve Operation
Pilot Controller Operation
Propel Pilot Controller Operation
Flow Regulator Valve and Warm-Up Circuit Operation
Hydraulic Pumps and Drive Gearbox Operation
Hydraulic Pump Regulator Operation
Engine Speed Sensing Control Circuit Operation
Control Valve Operation
Control Valve Check Valves Identification and Operation
System Relief and Power Boost Valve Circuit Operation
Circuit Relief and Anticavitation Valve Operation
Pump Control Valve Operation
Propel Flow Combiner Valve Circuit Operation
Arm Regenerative Valve Circuit Operation
Boom Regenerative Valve Operation
Bucket Regenerative Valve Circuit Operation
Arm Rod End and Boom Reduced Leakage Valves Operation
Arm Head End Reduced Leakage Valve Operation
Boom Manual Lower Needle Valve Operation
Bucket Flow Rate Valve Operation
Propel Flow Rate Valve Operation
Bypass Shut-Off Valve Operation
Swing Gearbox Operation
Swing Motor, Crossover Relief Valve and Make-up Valve Operation
Swing Motor Park Brake Release Valve Operation
Rotary Manifold Operation
Propel Motor and Park Brake Valve Operation—330CLC (S.N. —082518)
Propel Motor and Park Brake Valve Operation—330CLC (S.N. 082519— )
Propel Speed Control Circuit Operation—330CLC
Propel Motor and Park Brake Valve Operation—370C
Propel Speed Control Circuit Operation—370C
Cylinder Operation
Hydraulic System Circuit Symbols
Hydraulic System Schematic
Group 15: Diagnostic Information
Diagnostic Procedure
Diagnose Electronic and Control Valve Component Malfunctions
Diagnose Hydraulic System Malfunctions
Diagnose Pilot Circuit Malfunctions
Diagnose Dig Circuit Malfunctions
Diagnose Swing Circuit Malfunctions
Diagnose Propel System Malfunctions
Control Valve Line Identification
Main Hydraulic System Component Location
Pilot Controllers-to-Flow Regulator Valve Component Location—Excavator Pattern
Pilot Controllers-to-Flow Regulator Valve Component Location—Backhoe Pattern
Pilot Flow Regulator Valve-to-Control Valve Component Location
Propel Hydraulic System Component Location
Group 25: Tests
JT05801 Clamp-On Electronic Tachometer Installation
JT05800 Digital Thermometer Installation
JT02156A Digital Pressure/Temperature Analyzer Installation
Hydraulic Oil Filter Inspection Procedure
Hydraulic Oil Cleanup Procedure Using Portable Filter Caddy
Hydraulic System Warm-Up Procedure
Cylinder Drift Test—Boom, Arm and Bucket
Pilot Pressure Regulating Valve Test and Adjustment
Control Valve Spool Pilot Actuation Pressure Test
System Relief and Power Boost Valve Test and Adjustment
Arm Reduced Leakage 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—330CLC (S.N. —082518)
Propel Motor Crossover Relief Valve Test and Adjustment—330CLC (S.N. 082519— )
Propel Motor Crossover Relief Valve Test and Adjustment—370C
Power Boost, Propel Speed, and Arm Regenerative Solenoid Valve Test and Adjustment
Pump Control Valve Test
Hydraulic Pump Regulator Test and Adjustment—Minimum Flow—330CLC
Hydraulic Pump Regulator Test and Adjustment—Minimum Flow—370C
Hydraulic Pump Regulator Test and Adjustment—Maximum Flow—330CLC
Hydraulic Pump Regulator Test and Adjustment—Maximum Flow—370C
Hydraulic Pump Regulator Test and Adjustment—Engine Pulldown
Hydraulic Pump Flow Test
Swing Motor Leakage Test
Propel Motor Leakage Test—330CLC (S.N. —082518)
Propel Motor Leakage Test—330CLC (S.N. 082519— )
Propel Motor Leakage Test—370C
Section 9031: Heating and Air Conditioning
Group 05: Theory Of Operation
Air Conditioning System Cycle Of Operation
Group 15: Diagnostic Information
Diagnose Air Conditioning System Malfunctions
Diagnose Heater System Malfunctions
Air Conditioner and Heater Diagnostic System Operation
Air Temperature Is Uncontrollable
Vent Control System Is Inoperable
Fresh Air or Recirculated Air Control System is Inoperable
Air Volume is Uncontrollable
Air Conditioner Controller Diagnostic Trouble Codes
21 - Mix Door Open Circuit
-21 - Mix Door Short Circuit
22 - Mode Encoder Open Circuit
23 - In-Cab Ambient Temperature Sensor Open Circuit
-23 - In-Cab Ambient Temperature Sensor Short Circuit
24 - Outdoor Ambient Temperature Sensor Open Circuit
-24 - Outdoor Ambient Temperature Sensor Short Circuit
25 - Coolant Temperature Sensor Open Circuit
-25 - Coolant Temperature Sensor Short Circuit
26 - Solar Radiation Sensor Open Circuit
-26 - Solar Radiation Sensor Short Circuit
Heating and Air Conditioner Component Location
Group 25: Tests
Heating and Air Conditioning System Checks
R134a Air Conditioning System Test
Air Conditioning Compressor Clutch Test
Refrigerant Leak Test
Refrigerant Hoses and Tubing Inspection
Air Conditioner and Heater Sensors Test
Section 9900: Dealer Fabricated Tools
Group 99: Dealer Fabricated Tools
DFT1218 Split Flange Hose Cap

John Deere Excavators 330CLC, 370C Operation & Test Technical Manual (TM1926)