John Deere 340D, 440D Skidder Diagnostic Manual | TM1436
- Type Of Document: Operation and Test Manual
- John Deere
- Type of equipment: Cable Skidder, Grapple Skidder
- Model: 340D, 440D, 448D
John Deere 340D, 440D Skidders and 448D Grapple Skidders Operation and Test Manual (TM1436)
Table of Contents
- Introduction and Safety
- General Information
- General Specifications
- Torque Values
- Fuels and Lubricants
- Operational Checkout Procedure
- Operational Checkout Procedure
- Checks
- Operational Checkout Procedure
- Engine Operation and Tests
- Diagnostic Information
- Make Visual Inspection of Engine Components
- Diagnose Engine Malfunctions
- Adjustments
- Adjustment
- Tests
- Test
- Diagnostic Information
- Electrical System Operation and Tests
- Theory of Operation
- Safety Precautions
- Prevent Fire Hazards When Using Booster Batteries
- Visually Inspect Electrical System
- Operation
- Diagnostic Information
- Electrical System Malfunctions
- Electrical Schematic
- Wiring Diagram
- Wiring Routing Description
- Electrical Schematic Symbols
- Tests
- Service Equipment and Tools
- Test
- Theory of Operation
- Powertrain Operation and Tests
- Theory of Operation
- Operation
- Diagnostic Information
- Diagnose Malfunctions
- Adjustments
- Adjustments
- Theory of Operation
- Hydraulic System Operation and Tests
- Theory of Operation
- Hydraulic System
- Transmission Oil System
- Transmission Filter Relief Valve
- Surge Relief Valve
- Main Hydraulic Pump
- Stroke Control Valve
- Differential Lock Valve
- Pressure Control Valve
- Brake Circuit
- Steering Valve
- Crossover Relief Valve
- Secondary Steering System
- Blade Control Circuit
- Grapple Boom Control Valve
- Circuit Relief Valve
- Grapple Boom Control Valve Anti-Cavitation
- Grapple Rotate Control Valve
- Grapple Valve
- Blade Control Valve and Grapple Control Valve End Plates
- Winch Control Valve
- Winch Warm-Up Circuit
- Park Brake
- Rotary Manifold
- Diagnostic Information
- Seven Basic Steps to Diagnose and Test the Hydraulic System
- Pretest Inspection and Operational Check of the Machine
- Diagnose Malfunctions
- Hydraulic Circuit Symbols
- Hydraulic Schematic
- Tests
- Tachometer/Temperature Reader Installation Procedure
- Hydraulic Oil Warm-Up Procedure
- Charge Pressure
- Surge Relief Valve Pressure
- Transmission Pump Flow
- Main Pump Standby Pressure
- Main Pump Flow
- Pressure Control Valve
- Steering System Leakage
- Steering Crossover Relief Valve Pressure
- Secondary Steering Valve Pressure
- Secondary Steering Accumulator Precharge Pressure
- Park Brake Accumulator Pressure
- Service Brake Accumulator Precharge Pressure
- Brake Bleed Hydraulic System
- Hydraulic System Leakage
- Hydraulic Component Leakage
- Winch System Pressure
- Differential Lock Valve Pressure
- Grapple Crossover Relief Valve Pressure
- System Relief Valve Pressure
- Circuit Relief Valve Test
- Oil Cooler Restriction Test
- Complete Transmission-Hydraulic System
- Specifications and Analysis
- Cycle Time Test.
- Theory of Operation
