John Deere 6200, 6300, 6400, 6500 Tractors (Diagnosis, Operation & Test) Service Manual (TM4524)

The John Deere 6200, 6200L, 6300, 6300L, 6400, 6400L, 6500, 6500L Tractors (Diagnosis, Operation & Test) Service Manual (PN TM4524) provides comprehensive technical guidance for diagnosing, testing, and operating these tractor models. It covers detailed instructions on troubleshooting electrical, hydraulic, and mechanical systems. This manual is essential for ensuring the tractors perform at peak efficiency, highlighting system operations and test procedures. Designed for professionals, it contains diagrams, specifications, and step-by-step procedures. Regular reference to this manual ensures accurate diagnostics, proper operation, and extended equipment longevity.

DOWNLOAD NOW JOHN DEERE 6200, 6200L, 6300, 6300L, 6400, 6400L, 6500, 6500L TRACTORS (DIAGNOSIS, OPERATION & TEST) SERVICE MANUAL (PN TM4524)

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📑 Table of Contents:

- FOREWORD
- Section 210 - SAFETY
- Group 05 - Safety Precautions
- Recognize Safety Information
- Prevent Machine Runaway
- Handle Fluids Safely-Avoid Fires
- Prevent Battery Explosions
- Prepare for Emergencies
- Prevent Acid Burns
- Avoid High-Pressure Fluids
- Service Cooling System Safely
- Remove Paint Before Welding or Heating
- Avoid Heating Near Pressurized Fluid Lines
- Work In Ventilated Area
- Wear Protective Clothing
- Practice Safe Maintenance
- Park Machine Safely
- Use Proper Lifting Equipment
- Support Machine Properly
- Work in Clean Area
- Illuminate Work Area Safely
- Service Machines Safely
- Use Proper Tools
- Service Tires Safely
- Service Front-Wheel Drive Tractor Safely
- Keep ROPS Installed Properly
- Replace Safety Signs
- Dispose of Waste Properly
- Live With Safety
- Section 211 - DIAGNOSTIC TROUBLE CODES
- Group HCU - HCU Diagnostic Trouble Codes
- HCU 022-System Voltage not in Specification
- HCU 027-Calibration not Successful
- HCU 028-Calibration Memory Failure
- HCU 029-Calibration Memory Failure
- HCU 030-Insignificant Fault that has no effect on Tractor Operation
- HCU 041-Stepper Motor Circuit open
- HCU 042-Stepper Motor Circuit open
- HCU 043-Stepper Motor Circuit shorted
- HCU 044-Stepper Motor Circuit shorted
- HCU 045-Potentiometers and Position Sensor Supply Voltage Out of Range
- HCU 046-Draft Sensor Supply voltage Out of Range
- HCU 049-Raise/ Lower Rocker Switch Circuit
- HCU 050-Stepper Motor Deadband out of range
- HCU 051-Left Draft Sensor Circuit
- HCU 052-Right Draft Sensor Circuit
- HCU 053-Load/ Depth Control Potentiometer Circuit
- HCU 054-Hitch Control Lever Potentiometer Circuit
- HCU 055-Rockshaft Position Sensor Circuit
- HCU 056-Raise Limit Control Potentiometer
- HCU 057-Rate-of-Drop Control Potentiometer Circuit
- HCU 058-Remote Control Switch Circuit
- HCU 239-Circuit fault during Calibration
- HCU 241-Hitch Position Sensor Circuit
- HCU 242-Hitch Position Sensor Circuit
- HCU 250-Right Draft Sensor Circuit
- HCU 251-Right Draft Sensor Circuit
- HCU 252-Right Draft Sensor Circuit
- HCU 253-Left Draft Sensor Circuit
- HCU 254-Left Draft Sensor Circuit
- HCU 255-Left Draft Sensor Circuit
- Group RCU - RCU Diagnostic Trouble Codes
- RCU 015-Fault in Detent Solenoid Circuit
- RCU 017-Insignificant Fault that has no Effect on Tractor Operation
- RCU 025-Fault in Detent Solenoid Circuit
- RCU 027-Enable Switch indicates no Pressure
- RCU 029-Enable Pressure Switch indicates Pressure, but Pressure is actually zero
- RCU 031-Fault in Enable Solenoid Circuit
- RCU 032-Park Position, but its Valid Neutral Signal is missing
- RCU 034-Reverser Drive Lever remains in Direction too long while Range Lever is in "Park" (Diagnostic Mode Only)
- RCU 040-Forward and Reverse Switches open, but Not-Neutral Switch is closed
- RCU 041-Forward and Reverse Switches both closed at same Time
- RCU 042-Forward Switch closed, but Not-Neutral Switch open
- RCU 043-Reverse Switch closed, but Not-Neutral Switch open
- RCU 044-Not-Neutral Relay open, but Not-Neutral Switch closed
- RCU 045-Direction of Travel is selected, but enable Solenoid is still closed
- RCU 047-No Neutral Signal after Engine is started
- RCU 048-System Voltage to low
- RCU 051-Reverser Drive Lever in Direction, but Neutral Start Switch indicates neutral
- RCU 053-Reverser Drive Lever in Neutral, but Neutral Start Switch indicates not neutral
- RCU 055-Enable Solenoid stuck in closed Position
- RCU 056-Reverser Drive Lever in forward or reverse when Engine is started
- RCU 057-Transmission Enable Voltage to low during operation
- RCU 058-Transmission Enable Voltage too low when Engine is started
- RCU 064-Fault in Memory of RCU
- RCU 065-Fault in RCU
- RCU 067-Neutral Start Switch indicates Not-Neutral without cause
- Section 220 - ENGINE
- Group 10 - Engine Tests
- Preliminary Engine Tests
- Dynamometer Test
- Section 230 - FUEL, AIR INTAKE AND COOLING SYSTEMS
- Group 10 - System Diagnosis
- Fuel System
- Cooling System
- Group 15 - System Tests
- Special or Essential Tools
- Specifications
- Testing the Air Intake System
- Testing the Low-Pressure Switch in Air Intake System
- Testing Cooling System for Leaks
- Checking Expansion Tank Cap
- Checking the Fuel Transfer Pump
- Group 20A - Fuel System
- General Information
- Description
- Fuel Transfer Pump - Theory of Operation
- Fuel Filter - Theory of Operation
- Group 20B - Air Intake System
- Air Cleaner - Theory of Operation
- Group 20C - Cooling System
- General Information
- Description of Radiator
- Viscous Fan Drive - Theory of Operation
- Automatic Drive Belt Tensioner - Theory of Operation
- Group 20D - Cold Weather Starting Aids
- General Information
- Electrical Starting Aid - Theory of Operation
- Fuel Preheater - Theory of Operation
- Coolant Preheater - Theory of Operation
- Transmission Oil Preheater - Theory of Operation
- Section 240 - ELECTRICAL SYSTEM
- Group 05 - System Information
- Special or Essential Tools
- Using Electrical Section
- Wiring Diagram and Schematic Information
- Component Identification Table
- How to Read a Functional Schematic
- How to Read a Diagnostic Schematic
- How to Read a Wiring and Harness Diagram
- Symbols in Functional Schematic, Wiring and Harness Diagrams
- Visually Inspect Electrical System
- Electrical Circuit Malfunctions
- High Resistance or Open Circuit
- Grounded Circuit
- Shorted Circuit
- Seven Step Electrical Test Procedure
- Group 10 - System Diagrams, Cab
- Fuses (Cab)
- Part Designations in Functional Schematic, Wiring and Harness Diagrams (Cab)
- Section Designations in Functional Schematic (Cab)
- Harness Designation in Wiring Diagram (Cab)
- Functional Schematic (Complete Tractor with Cab)
- Engine Wiring Harness Diagram (W1, W2, W3) and Component Location up to Tractor Serial No. 116858 (Cab)
- Engine Wiring Harness Diagram (W3, W14) and Component Location from Tractor Serial No. 116859 (Cab)
- Cowl Wiring and Harness Diagram (W4, W5, W6, W7) and Component Location up to Tractor Serial No. 135238 (Cab)
- Cowl Wiring and Harness Diagram (W4, W5, W6, W7) and Component Location from Tractor Serial No. 135239 (Cab)
- Cab Roof Wiring and Harness Diagram ( W11) and Component Location up to Tractor Serial No. 135715
- Transmission Wiring and Harness Diagram and Component Location up to Serial No. 178178 (AL70819, W13) (Cab)
- Transmission Wiring and Harness Diagram and Component Location from Serial No. 178179 (AL111539, W13) (Cab)
- Cowl Wiring and Harness Diagram (W4) with Electrical Reverser Control (Cab)
- Transmission Wiring Harness (AL112509; W20) (Cab)
- Back-Up Alarm Wiring Harness (AL81580; W25) (Cab)
- Back-Up Alarm Wiring Harness (AL113003; W26) (Cab)
- Cab Roof Wiring Harness (AL110051; W11) from serial No. 135716 - 183107
- Cab Roof Wiring Harness (AL112968; W11) from serial No. 183108
- Worklight Wiring Harness (AL83139; W18) (Cab)
- Cab Lighting Wiring Harnesses (W21, W22), Low-clearance cab
- Wiper Wiring Harnesses( W23, W24), Low-clearance cab
- Circuit Board of Instrument Unit and Plug Arrangement (Without Digital Control) (Cab)
- Circuit Board of Instrument Unit and Plug Arrangement (With Digital Control) (Cab)
- Group 10A - System Diagrams, 2-Post ROPS
- Fuses (ROPS)
- Part Designations in Functional Schematic, Wiring and Harness Diagrams (ROPS)
- Section Designations in Functional Schematic (ROPS)
- Harness Designation in Wiring Diagram (ROPS)
- Functional Schematic (Complete Tractor-ROPS)
- Engine Wiring Harness Diagram (W3; W2; W1) and Component Location up to Tractor Serial No. 116858 (ROPS)
- Engine Wiring Harness Diagram (W3; W14) and Component Location from Tractor Serial No. 116859 (ROPS)
- Cowl Wiring and Harness Diagram (W4; W9) and Component Location, Standard Version (Rops)
- Cowl Wiring and Harness Diagram (W4; W9) and Component Location, Low Profile Version (ROPS)
- Transmission Wiring and Harness Diagram and Component Location up to Serial No. 178178 (AL70819, W13) (ROPS)
- Transmission Wiring and Harness Diagram and Component Location from Serial No. 178179 (AL111539, W13) (ROPS)
- Back-Up Alarm Wiring Harness (AL81580; W25) (ROPS)
- Back-Up Alarm Wiring Harness (AL113003; W26) (ROPS)
- Circuit Board of Instrument Unit and Plug Arrangement (Standard Version) (ROPS)
- Group 15 - Sub-System Diagnostics, Cab
- Special or Essential Tools
- Specifications
- SE1-Starting Motor and Charging Circuit (Cab) - Functional and Diagnostic Schematic
- Component Test Specifications
- Starter Operational Check
- 2 Isolating Cause for Starting in Gear
- 3 Starter Operational Check-Continued
- 4 Isolating Cause for Slow Cranking Speed
- 5 Starter Solenoid Check
- 6 Causes for Improper Starter Operation
- 7 Causes for Improper Starter Operation
- 8 Causes for No Start or Hard Starting Engine
- 9 Cold Ambient Temperature Related Starting Problems
- 1 Check Alternator Output Voltage
- 2 Alternator Overcharging
- 3 Battery-Alternator Circuit Check
- 4 Exciter Circuit Check
- 5 Alternator Output Voltage Check
- 6 - Causes for Low Alternator Output Are:
- 7 - Electrical System Leakage Check
- 8 - System Leakage Check (Continued)
- 9 - Alternator Check
- 1 - Battery (G01) Inspection
- 2 - Check Electrolyte Level of All Cells
- 3 - Check Specific Gravity of Each Cell
- 4 - Check Battery Voltage
- 5 - Charge Battery
- 6 - Select Charging Rate
- 7 - Charge Battery-Continued
- 8 - Check Battery Condition
- Main Switch (S01)
- Neutral Start Switch (B36)
- Test Overvoltage Protection Relay or Relay for Electronic System Current Supply (K101)
- Fuel Shut-Off Solenoid (K24)
- Electrical Starting Aid Glow Plug (R01)
- Starter Relay (K01)
- Electrical Starting Aid Relay (K02)
- Fuel Preheater Relay (K105)
- Fuel Preheater Glow Plug (R02)
- Fuel Pump (Y02)
- Starter Operational Check
- 2 Isolating Cause for Starting in Gear
- 3 Starter Operational Check-Continued
- 4 Isolating Cause for Slow Cranking Speed
- 5 Starter Solenoid Check
- 6 Causes for Improper Starter Operation
- 7 Causes for Improper Starter Operation
- 8 Causes for No Start or Hard Starting Engine
- 9 Cold Ambient Temperature Related Starting Problems
- 1 Check Alternator Output Voltage
- 2 Alternator Overcharging
- 3 Battery-Alternator Circuit Check
- 4 Exciter Circuit Check
- 5 Alternator Output Voltage Check
- 6 - Causes for Low Alternator Output Are:
- 7 - Electrical System Leakage Check
- 8 - System Leakage Check (Continued)
- 9 - Alternator Check
- 1 - Battery (G01) Inspection
- 2 - Check Electrolyte Level of All Cells
- 3 - Check Specific Gravity of Each Cell
- 4 - Check Battery Voltage
- 5 - Charge Battery
- 6 - Select Charging Rate
- 7 - Charge Battery-Continued
- 8 - Check Battery Condition
- Main Switch (S01)
- Neutral Start Switch (B36)
- Test Overvoltage Protection Relay or Relay for Electronic System Current Supply (K101)
- Fuel Shut-Off Solenoid (K24)
- Electrical Starting Aid Glow Plug (R01)
- Starter Relay (K01)
- Electrical Starting Aid Relay (K02)
- Fuel Preheater Relay (K105)
- Fuel Preheater Glow Plug (R02)
- Fuel Pump (Y02)
- SE2-Instrument Unit and Lighting (Cab) - Functional and Diagnostic Schematic
- Component Tests
- Sending Unit, Tachometer (B01) or Sending Unit, Speedometer (B35)
- Fuel Gauge Sending Unit (B03)
- Hall Sending Unit (B09)
- Sending Unit, Tachometer (B01) or Sending Unit, Speedometer (B35)
- Fuel Gauge Sending Unit (B03)
- Hall Sending Unit (B09)
- SE3-Display Unit (Cab) - Functional and Diagnostic Schematic
- Component Tests
- Air Cleaner Restriction Warning Switch (B02)
- Engine Oil Pressure Sending Unit (B04)
- Oil Filter Warning Light Sending Unit (B07)
- Low Temperature Switch (B29)
- High Temperature Switch (B30)
- Transmission Oil Pressure Sending Unit (B31)
- Coolant Temperature Sending Unit (B08)
- Air Cleaner Restriction Warning Switch (B02)
- Engine Oil Pressure Sending Unit (B04)
- Oil Filter Warning Light Sending Unit (B07)
- Low Temperature Switch (B29)
- High Temperature Switch (B30)
- Transmission Oil Pressure Sending Unit (B31)
- Coolant Temperature Sending Unit (B08)
- SE5-Horn (Cab) - Functional and Diagnostic Schematic
- Component Tests
- Horn Switch (S04)
- Horn (H01)
- Horn Switch (S04)
- Horn (H01)
- SE6-Cigarette Lighter and Operator’s Seat (Cab) - Functional and DiagnosticSchematic
- Component Tests
- Cigarette Lighter (E05)
- Compressor (M09)
- Cigarette Lighter (E05)
- Compressor (M09)
- SE8-Rear PTO (Cab) - Functional and Diagnostic Schematic
- Component Tests
- Rear PTO Switch (S21)
- Rear PTO Solenoid (Y04)
- Seat Switch (S40)
- Rear PTO Speed Sensor (B42)
- Rear PTO Switch (S21)
- Rear PTO Solenoid (Y04)
- Seat Switch (S40)
- Rear PTO Speed Sensor (B42)
- SE9-Front Wheel Drive (Cab) - Functional and Diagnostic Schematic
- Component Tests
- Front Wheel Drive Solenoid (Y03)
- Front Wheel Drive Switch (S05)
- Front Wheel Drive Solenoid (Y03)
- Front Wheel Drive Switch (S05)
- SE10-Differential Lock (Cab) - Functional and Diagnostic Schematic
- Component Tests
- Differential Lock Relay (K110)
- Differential Lock Solenoid (Y05)
- Differential Lock Switch (S22)
- Differential Lock Relay (K110)
- Differential Lock Solenoid (Y05)
- Differential Lock Switch (S22)
- SE12-Hazard Warning Flasher and Turn Signal Lights (Cab) - Functional and Diagnostic Schematic
- Component Tests
- Hazard Warning Light Switch (S07)
- SE13-Lights (Cab) - Functional and Diagnostic Schematic
- Component Tests
- Light Switch (S09)
- High and Low Beam Switch (S10)
- High and Low Beam Relay (K107)
- Light Switch (S09)
- High and Low Beam Switch (S10)
- High and Low Beam Relay (K107)
- SE14-Work Lights (Cab) - Functional and Diagnostic Schematic
- Component Tests
- Work Light Relays (K201, K202, K205 and K206)
- SE15-3-Terminal, 7-Terminal and Front Loader Power Outlet Sockets (Cab) - Functional and Diagnostic Schematic
- SE15- 3 Terminal, 7 Terminal and Front-Loader Power Outlet Sockets (Cab) - Voltage Checks
- SE16-Radio, Dome and Console Lights (Cab) - Functional and Diagnostic Schematic
- Component Tests
- Dome Light Switch (S35)
- Door Switch (B28)
- Dome Light Switch (S35)
- Door Switch (B28)
- SE17-Blower and Air Conditioning System (Cab) - Functional and Diagnostic Schematic
- Component Tests
- Blower Relay (K204)
- Compressor Clutch (M02)
- Blower Switch (S14)
- Resistor (R03)
- Blower Motors (M7 and M10)
- Compressor Switch (S28)
- Blower Relay (K204)
- Compressor Clutch (M02)
- Blower Switch (S14)
- Resistor (R03)
- Blower Motors (M7 and M10)
- Compressor Switch (S28)
- SE18-Windshield Wipers and Washers (Cab) - Functional and Diagnostic Schematic
- Component Tests
- Front Wiper Switch (S15)
- Windshield Washer Switch (S16)
- Windshield Switch (S17 and S20)
- Rear Wiper Switch (S18)
- Wiper Motor (M03 and M04)
- Washer Pump Motors (M05 and M06)
- Front Wiper Switch (S15)
- Windshield Washer Switch (S16)
- Windshield Switch (S17 and S20)
- Rear Wiper Switch (S18)
- Wiper Motor (M03 and M04)
- Washer Pump Motors (M05 and M06)
- SE19-Clutch Cooling (Cab) - Functional and Diagnostic Schematic
- SE19-Clutch Cooling (Cab) - Voltage Checks
- SE20-Beacon Light (Cab) - Functional and Diagnostic Schematic
- Component Tests
- Beacon Light Switch (S36)
- SE21-Electronic Rockshaft Control (Cab) - Functional and Diagnostic Schematic
- SE24-Back-Up Alarm (Cab) - Functional and Diagnostic Schematic
- Component Tests
- Main Switch for Back Up Alarm (S42)
- Back Up Alarm Switch (B49)
- Back Up Alarm Relay (K28)
- Main Switch for Back Up Alarm (S42)
- Back Up Alarm Switch (B49)
- Back Up Alarm Relay (K28)
- SE25-Electrical Reverser Control (Cab) - Functional and Diagnostic Schematic
- Group 15A - Sub-System Diagnostics, 2-Post ROPS
- Special or Essential Tools
- Specifications
- SE1-Starting Motor and Charging Circuit (Rops) - Functional and Diagnostic Schematic
- Component Test Specifications
- 1 - Starter Operational Check
- 2 - Isolating Cause for Starting in Gear
- 3 - Starter Operational Check-Continued
- 4 - Isolating Cause for Slow Cranking Speed
- 5 - Starter Solenoid Check
- 6 - Causes for Improper Starter Operation
- 7 - Causes for Improper Starter Operation
- 8 - Causes for No Start or Hard Starting Engine
- 9 - Cold Ambient Temperature Related Starting Problems
- 1 - Check Alternator Output Voltage
- 2 - Alternator Overcharging
- 3 - Battery-Alternator Circuit Check
- 4 - Exciter Circuit Check
- 5 - Alternator Output Voltage Check
- 6 - Causes for Low Alternator Output Are
- 7 - Electrical System Leakage Check
- 8 - System Leakage Check (Continued)
- 9 - Alternator Check
- 1 - Battery (G01) Inspection
- 2 - Check Electrolyte Level of All Cells
- 3 - Check Specific Gravity of Each Cell
- 4 - Check Battery Voltage
- 5 - Charge Battery
- 6 - Select Charging Rate
- 7 - Charge Battery-Continued
- 8 - Check Battery Condition
- Main Switch (S01)
- Neutral Start Switch (B36)
- Test Overvoltage Protection Relay or Relay for Electronic System Current Supply (K101)
- Fuel Shut-Off Solenoid (K24)
- Electrical Starting Aid Glow Plug (R01)
- Starter Relay (K01)
- Electrical Starting Aid Relay (K02)
- Fuel Preheater Relay (K105)
- Fuel Preheater Glow Plug (R02)
- Fuel Pump (Y02)
- 1 - Starter Operational Check
- 2 - Isolating Cause for Starting in Gear
- 3 - Starter Operational Check-Continued
- 4 - Isolating Cause for Slow Cranking Speed
- 5 - Starter Solenoid Check
- 6 - Causes for Improper Starter Operation
- 7 - Causes for Improper Starter Operation
- 8 - Causes for No Start or Hard Starting Engine
- 9 - Cold Ambient Temperature Related Starting Problems
- 1 - Check Alternator Output Voltage
- 2 - Alternator Overcharging
- 3 - Battery-Alternator Circuit Check
- 4 - Exciter Circuit Check
- 5 - Alternator Output Voltage Check
- 6 - Causes for Low Alternator Output Are
- 7 - Electrical System Leakage Check
- 8 - System Leakage Check (Continued)
- 9 - Alternator Check
- 1 - Battery (G01) Inspection
- 2 - Check Electrolyte Level of All Cells
- 3 - Check Specific Gravity of Each Cell
- 4 - Check Battery Voltage
- 5 - Charge Battery
- 6 - Select Charging Rate
- 7 - Charge Battery-Continued
- 8 - Check Battery Condition
- Main Switch (S01)
- Neutral Start Switch (B36)
- Test Overvoltage Protection Relay or Relay for Electronic System Current Supply (K101)
- Fuel Shut-Off Solenoid (K24)
- Electrical Starting Aid Glow Plug (R01)
- Starter Relay (K01)
- Electrical Starting Aid Relay (K02)
- Fuel Preheater Relay (K105)
- Fuel Preheater Glow Plug (R02)
- Fuel Pump (Y02)
- SE2-Instrument Unit and Lighting (ROPS) - Functional and Diagnostic Schematic
- Component Tests
- Sending Unit, Tachometer (B01) or Sending Unit, Speedometer (B35)
- Fuel Gauge Sending Unit (B03)
- Coolant Temperature Sending Unit (B08)
- Sending Unit, Tachometer (B01) or Sending Unit, Speedometer (B35)
- Fuel Gauge Sending Unit (B03)
- Coolant Temperature Sending Unit (B08)
- SE3-Display Unit (ROPS) - Functional and Diagnostic Schematic
- Component Tests
- Air Cleaner Restriction Warning Switch (B02)
- Engine Oil Pressure Sending Unit (B04)
- Oil Filter Warning Light Sending Unit (B07)
- Low Temperature Switch (B29)
- High Temperature Switch (B30)
- Transmission Oil Pressure Sending Unit (B31)
- Air Cleaner Restriction Warning Switch (B02)
- Engine Oil Pressure Sending Unit (B04)
- Oil Filter Warning Light Sending Unit (B07)
- Low Temperature Switch (B29)
- High Temperature Switch (B30)
- Transmission Oil Pressure Sending Unit (B31)
- SE5-Horn (ROPS) - Functional and Diagnostic Schematic
- Component Tests
- Horn Switch (S04)
- Horn (H01)
- Horn Switch (S04)
- Horn (H01)
- SE8-Rear PTO (ROPS) - Functional and Diagnostic Schematic
- Component Tests
- Rear PTO Switch (S21)
- Rear PTO Solenoid (Y04)
- Seat Switch (S40)
- Rear PTO Speed Sensor (B42)
- Rear PTO Switch (S21)
- Rear PTO Solenoid (Y04)
- Seat Switch (S40)
- Rear PTO Speed Sensor (B42)
- SE9-Front Wheel Drive (ROPS) - Functional and Diagnostic Schematic
- Component Tests
- Front Wheel Drive Solenoid (Y03)
- Front Wheel Drive Switch (S05)
- Front Wheel Drive Solenoid (Y03)
- Front Wheel Drive Switch (S05)
- SE10-Differential Lock (ROPS) - Functional and Diagnostic Schematic
- Component Tests
- Differential Lock Relay (K110)
- Differential Lock Solenoid (Y05)
- Differential Lock Switch (S22)
- Differential Lock Relay (K110)
- Differential Lock Solenoid (Y05)
- Differential Lock Switch (S22)
- SE12-Hazard Warning Flasher and Turn Signal Lights (ROPS) - Functional and Diagnostic Schematic - Low Profile Version
- Component Tests
- Hazard Warning Light Switch (S07)
- SE13-Lights (ROPS) - Functional and Diagnostic Schematic
- Component Tests
- Light Switch (S09)
- High and Low Beam Switch (S10)
- High and Low Beam Relay (K107)
- Light Switch (S09)
- High and Low Beam Switch (S10)
- High and Low Beam Relay (K107)
- SE14-Work Lights (ROPS) - Functional and Diagnostic Schematic
- Component Tests
- Work Light Relays (K201, K202, K205 and K206)
- SE15- 3 Terminal, 7 Terminal and Front-Loader Power Outlet Sockets (ROPS) - Functional and Diagnostic Schematic
- SE15- 3 Terminal, 7 Terminal and Front-Loader Power Outlet Sockets (ROPS) - Voltage Checks
- SE19-Clutch Cooling (ROPS) - Functional and Diagnostic Schematic
- SE19-Clutch Cooling (ROPS) - Voltage Checks
- SE21-Electronic Rockshaft Control (ROPS), Functional and Diagnostic Schematic
- SE24-Back-Up Alarm (ROPS) - Functional and Diagnostic Schematic
- Component Tests
- Main Switch for Back Up Alarm (S42)
- Back Up Alarm Switch (B49)
- Back Up Alarm Relay (K28)
- Main Switch for Back Up Alarm (S42)
- Back Up Alarm Switch (B49)
- Back Up Alarm Relay (K28)
- Group 20 - References
- Battery Specifications
- Battery Operation
- Check Battery Electrolyte Level and Terminals
- Procedure for Testing Batteries
- Diagnose Battery Malfunctions
- Starting With a Booster Battery
- Section 250 - SYNCROPLUS TRANSMISSION
- Group 05 - Operational Checks
- Checking if Clutch Separates Properly
- Checking Clutch for Slippage
- Checking Slip Phase of Clutch
- Checking the Transmission
- Checking Neutral Start Switch
- Group 10 - System Diagnosis
- Explanation of System Diagnosis
- Safety Precautions
- Special or Essential Tools
- Specifications
- Heating Up Hydraulic Oil
- Connecting JT07115 Hydraulic Test Kit
- Layout of Test Ports and Sending Units
- Preliminary Checks
- Checking Gear and Range Engagement
- Checking Clutch Operation
- Checking the Transmission Oil Filter
- System (Engagement) Pressure Test
- Adjusting System (Engagement) Pressure
- Check Components Dependent on System (Engagement) Pressure
- Checking the Filter Relief Valve
- Testing the Engagement Override Valve and Clutch Pedal Valve
- Checking the Modulation of the Clutch Pedal Valve
- Checking the Lube Oil Pressure
- Clutch Cooling System Test (Up to Tractor Serial No. 109779)
- Clutch Cooling System Test (From Tractor Serial No. 109780)
- Measuring the Flow Rate
- Checking the Cooler Relief Valve
- Group 15 - System Tests
- Special or Essential Tools
- Specifications
- Checking Gear and Range Engagement
- Range Transmission Linkage Test
- Adjusting Range Transmission Linkage
- Gear Transmission Linkage Test
- Adjusting Shift Linkage at Gear Transmission
- Adjusting Neutral Start Switch
- Checking Neutral Start Switch
- Adjusting the Shift Linkage
- Adjusting Parking Lock
- Clutch Pedal Adjustment
- Group 20 - Theory of Operation - Syncroplus Transmission
- Layout of 12-Speed Transmission
- Layout of 12-Speed Transmission With Creeper
- Lubrication System
- Shift Operation
- Synchronization
- Transmission Circuit - Theory of Operation
- Group 20A - Theory of Operation - Perma Clutch II
- Components
- Clutch Design
- Power Flow, Clutch Pedal Depressed
- Power Flow, Clutch Pedal Not Depressed
- Transmission Oil Pump - Theory of Operation
- Hydraulic Circuit Diagram
- Description of Valves
- Other Transmission Oil Circuit Components
- Over-Speed Relief and Air-Suction Valves - Theory of Operation
- Clutch Pedal Valve and Engagement Override Valve,Theory of Operation-EngineOn, Clutch Pedal Not Depressed Since Engine Has Been Started
- Clutch Pedal Valve and Engagement Override Valve,Theory of Operation-Engine On, Clutch Pedal Depressed
- Clutch Pedal Valve and Engagement Override Valve, Theory of Operation-Engine On, Clutch Pedal in Process of Being Released
- Clutch Cooling, Theory of Operation-Engine On, Clutch Pedalin Process of Being Released
- Clutch Cooling, Theory of Operation-Engine On, Clutch Almost Fully Engaged
- Clutch Cooling, Theory of Operation -Engine On, Clutch Engaged
- Clutch Cooling, Theory of Operation -Engine On, Clutch in Process of Disengagement
- Clutch Cooling, Theory of Operation -Engine On, Clutch Disengaged
- Clutch Cooling, Theory of Operation -Engine On, Clutch Only Briefly Disengaged
- Pressure Regulating Valve and Filter Relief Valve,Theory of Operation-NormalOperation (Transmission Oil Filter Clean)
- Pressure Regulating Valve and Filter Relief Valve, Theory of Operation-Transmission Oil Filter Clogged
- Pressure Regulating Valve and Filter Relief Valve, Theory of Operation-Transmission Oil Filter Completely Clogged
- Cooler Relief Valve - Theory of Operation
- Lube Relief Valve - Theory of Operation
- Group 20B - Theory of Operation - Gear Transmission
- Gear Transmission Design
- Power Flow in 1st Gear
- Power Flow in 2nd Gear
- Power Flow in 3rd Gear
- Power Flow in Reverse Gear
- Neutral Start Switch
- Group 20C - Theory of Operation - Creeper Transmission
- Layout of Creeper Transmission
- Power Flow With Creeper Disengaged
- Power Flow With Creeper Engaged
- Group 20D - Theory Of Operation - Range Transmission
- Layout
- Power Flow, Range A
- Power Flow, Range B
- Power Flow, Range C
- Power Flow, Range D
- Parking Lock
- Section 255 - POWRQUAD TRANSMISSION
- Group 05 - Operational Checks
- Operational Checks
- Neutral to Gear Modulation Check
- Forward to Reverse Modulation Check
- Gear to Gear Modulation Check
- Range Box Check
- Clutch Modulation Check
- Transmission Creep Check
- Clutch Engagement Check
- Differential Lock Check
- MFWD Operational Check
- PTO Operational Check
- Neutral to Gear Modulation Check
- Forward to Reverse Modulation Check
- Gear to Gear Modulation Check
- Range Box Check
- Clutch Modulation Check
- Transmission Creep Check
- Clutch Engagement Check
- Differential Lock Check
- MFWD Operational Check
- PTO Operational Check
- Group 10 - System Diagnosis
- Use Step-By-Step Hydraulic Diagnostic Charts
- Special or Essential Tools
- Service Equipment and Tools
- Other Material
- Observe Safety Precautions
- Avoid High-Pressure Fluids
- Connecting the Performance Monitor
- Operating the Performance Monitor
- Diagnostic Program
- List of Addresses
- Diagnosis
- 1 Connecting the Performance Monitor
- 2 Commencing the Program
- 3 Calling Up and Cancelling Service Codes
- 4 Carrying Out a Test Drive
- List of Service Codes
- Description of Service Codes
- Service Code RCU 015
- Service Code RCU 017
- Service Code RCU 025
- Service Code RCU 027
- Service Code RCU 029
- Service Code RCU 031
- Service Code RCU 032
- Service Code RCU 034
- Service Code RCU 040
- Service Code RCU 041
- Service Code RCU 042
- Service Code RCU 043
- Service Code RCU 044
- Service Code RCU 045
- Service Code RCU 047
- Service Code RCU 048
- Service Code RCU 051
- Service Code RCU 053
- Service Code RCU 055
- Service Code RCU 056
- Service Code RCU 057
- Service Code RCU 058
- Service Code RCU 064
- Service Code RCU 065
- Service Code RCU 067
- 5 Calling Up Diagnostic Addresses
- List of Diagnostic Addresses
- Performing Diagnosis
- Address RCU 02
- Address RCU 03
- Address RCU 04
- Address RCU 05
- Address RCU 06
- Address RCU 07
- 7 Calling Up RCU Calibration Addresses
- 8 Calling Up RCU Identification Addresses
- Adjust for Correct Pressure and Temperature References
- Shortened Diagnostic Procedure
- System Checks
- Preliminary Checks
- Transmission Oil Filter Check
- Install Test Equipment
- Driving and Pressure Checks
- Tractor Does Not Move, No System Pressure
- Tractor Does Not Move, System and Lube Pressue OK
- Tractor Stops Moving After Shifting
- Tractor Missing Certain Gears
- Heat Transmission/Hydraulic Oil
- Transmission Speed Circuit Leak Check
- Transmission Speed Circuit Pressure Check
- Forward Clutch Circuit Leak Check
- Forward Clutch Circuit Pressure Check
- Control Valve Housing Leakage Points
- Reverse Brake Circuit Leak Check
- Reverse Brake Circuit Pressure Check
- Differential Lock Circuit Leak Check
- PTO Circuit Leak Check
- MFWD Circuit Leak Check
- Excessive Leakage
- Transmission Lube Pressure Check
- Connect Flow Meter for Oil Cooler Flow Check
- Cooler Relief Valve Check
- Incorrect Cooler Relief Valve Setting
- Transmission Pump/Cooling Flow Check
- Low Pump/Cooler Flow
- Lube Pressure Low With Normal Pump Flow
- Transmission System Pressure Check
- Pressure Regulating Valve Adjustment
- Clutch Cooling Circuit Check
- Transmission Air Pump Vacuum Check
- Preliminary Checks
- Transmission Oil Filter Check
- Install Test Equipment
- Driving and Pressure Checks
- Tractor Does Not Move, No System Pressure
- Tractor Does Not Move, System and Lube Pressue OK
- Tractor Stops Moving After Shifting
- Tractor Missing Certain Gears
- Heat Transmission/Hydraulic Oil
- Transmission Speed Circuit Leak Check
- Transmission Speed Circuit Pressure Check
-
- Forward Clutch Circuit Leak Check
- Forward Clutch Circuit Pressure Check
- Control Valve Housing Leakage Points
- Reverse Brake Circuit Leak Check
- Reverse Brake Circuit Pressure Check
-
- Differential Lock Circuit Leak Check
-
- PTO Circuit Leak Check
-
- MFWD Circuit Leak Check
-
- Excessive Leakage
- Transmission Lube Pressure Check
- Connect Flow Meter for Oil Cooler Flow Check
- Cooler Relief Valve Check
- Incorrect Cooler Relief Valve Setting
- Transmission Pump/Cooling Flow Check
- Low Pump/Cooler Flow
- Lube Pressure Low With Normal Pump Flow
- Transmission System Pressure Check
- Pressure Regulating Valve Adjustment
- Clutch Cooling Circuit Check
-
- Transmission Air Pump Vacuum Check
- Summary of Transmission Testing
- Lube Relief Valve Stuck Open
- Transmission Oil Pump Air Leak Check
- Clutch and Brake Element Air Leak Check Using a Blow Gun
- Transmission Control Valve Housing Gasket
- Transmission Slippage
- PTO Clutch Drag
- Hydraulics Fluid Over-Heating
- Other Malfunctions
- Group 15 - Adjustments
- Adjusting the Forward/Reverse Linkage (With Mechanical Reverser Control)
- Adjusting the Shift Linkage and Parking Lock (Previous Version)
- Adjusting the Shift Linkage and Parking Lock (Latest Version), With Reverser Control on Switch Console
- Adjusting the Shift Linkage and Parking Lock (Latest Version), With Reverser Control on Steering Column
- Clutch Pedal Adjustment (Up to Tractor Serial No. 130420)
- Clutch Pedal Adjustment (From Tractor Serial No. 130421)
- Group 20 - Theory of Operation - Powrquad Transmission
- Components of Powrquad Transmission
- Powrquad Housings
- Planetary Operation
- Air Pump
- Transmission Oil Pump
- Clutch Oil Manifold
- Reverse Brake Housing
- Forward/Reverse Controls
- Hydraulic Circuit Diagram - Mechanical Reverser Control (Older Tractor Series)
- Component Layout - Mechanical Reverser Control (Older Tractor Series)
- Hydraulic Circuit Diagram - Mechanical Reverser Control (Latest Tractor Series)
- Hydraulic Circuit Diagram - Electrical Reverser Control
- Filter Relief Valve
- Pressure Regulating Valve
- Forward-Reverse Modulation
- EOV Circuit (With Mechanical Reverser Control)
- Theory Of Operation - Electrical Reverser Control
- Reverse Drive Lever
- Park Switch
- Valve Housing on Powrquad Module
- Relays
- Reverser Control Unit (RCU)
- Detail of Hydraulic Circuit Diagram (Simplified)
- Speed Control Circuit
- Speed Modulation
- Clutch Cooling Components
- Oil Cooler System
- Low-Pressure Clutch Cooling Valve
- High-Pressure Clutch Cooling Valve
- FWD-REV Cooling Control Valve
- Clutch Pedal Control of Cooling Flow:
- Cooler and Lube Circuits
- Module Lube
- Module Lube Flow Paths
- Clutch Cooling Circuit Operation
- Oil Cooler
- Test Ports and Sending Units - With Mechanical Reverser Control
- Test Ports and Sending Units - With Electrical Reverser Control
- Section 256 - DRIVE SYSTEMS (WITHOUT TRANSMISSION)
- Group 05 - Operational Checks
- Checking Rear PTO
- Group 10 - System Diagnosis
- Front Wheel Drive
- Differential
- Hydraulic Pump Drive
- Final Drives
- Rear PTO
- Group 15 - System Tests
- Safety Precautions
- Special or Essential Tools
- Specifications
- Heating Up Hydraulic Oil
- Testing Operating Pressure of Fwd Clutch
- Testing Operating Pressure of Hydraulic Differential Lock
- Testing Rear PTO
- Testing Lube Pressure of Fwd Clutch, Differential Lock and PTO
- Group 20A - Theory of Operation - Front-Wheel Drive Clutch
- Layout (Up to Transmission Serial No. 114447)
- Oil and Power Flows With Front Wheel Drive Engaged
- Oil and Power Flows With Front Wheel Drive Disengaged
- Layout (Transmission Serial No. 114448 to 161066)
- Oil and Power Flows With Front Wheel Drive Engaged
- Oil and Power Flows With Front Wheel Drive Disengaged
- Layout (From Transmission Serial No. 161067)
- Oil and Power Flows With Front-Wheel Drive Engaged
- Oil and Power Flows With Front-Wheel Drive Disengaged
- Group 20B - Theory of Operation - Differential
- Layout
- Power Flow When Moving Straight Ahead
- Power Flow When Cornering
- Oil Flow With Differential Lock Engaged
- Oil Flow With Differential Lock Disengaged
- Group 20C - Theory of Operation - Final Drives
- Description
- Group 20D - Theory of Operation - Rear PTO Options
- Description of Rear PTO Options
- PTO Modulating Valve and Solenoid Valve
- Operation of PTO Clutch and Brake
- PTO Power Flow (540 RPM)
- PTO Power Flow (540/1000 RPM, Reversible)
- Section 260 - STEERING AND BRAKES
- Group 05 - Operational Checks
- Checking the Steering
- Checking the Brakes
- Group 10 - System Diagnosis
- Hydrostatic Steering
- Hydraulic Brakes
- Group 15 - System Tests
- Special or Essential Tools
- Specifications
- Testing Leaf Springs of Steering Valve
- Checking Steering System for External Leakage
- Checking Steering System for Internal Leakage
- Checking Steering Unit
- Steering Valve Hydraulic Connections
- Testing and Adjusting Shock Valves
- Checking Brake System
- Checking Brakes for Air in the System
- Checking Brakes for External Leakage
- Checking Brake Valve for Internal Leakage
- Adjusting Brake Pedals
- Bleeding the Brakes
- Checking Brake Piston Travel
- Adjusting the Stop Light Switch
- Checking Rear Brakes
- Group 20 - Theory of Operation (Complete System)
- Description
- Group 20A - Hydrostatic Steering
- Description of Steering Valve
- Operation of Metering Unit
- Oil Flow in Steering System
- Oil Flow - Neutral Position
- Oil Flow - Emergency Steering
- Group 20B - Hydraulic Brakes
- Brake Valve Layout
- Operation
- Brake Valve - Sectional View
- Hydraulic Circuit Diagram
- Oil Flow During Brake Application
- Rear Brake Operation
- Section 270 - HYDRAULIC SYSTEM
- Group 05 - Operational Checks
- Operational Checks
- Checking the Rockshaft Valve and Stepper MotorTractors with remote control.
- Group 10 - System Diagnosis
- Explanation of System Diagnosis
- Safety Precautions
- Special or Essential Tools
- Connecting Testers to Test Ports
- Heating Up Hydraulic Oil
- Specifications
- System Diagnosis In Hydraulic System
- Hydraulic Pump Inlet Pressure
- Pressure Too Low
- Air In Oil Check
- Pressure Is Too High
- Check Delivery Rate of Charge Pump (Cavitation Test)
- Check System Pressure
- Pressure Is Too Low
- Pressure Too High
- Check Maximum System Pressure
- Pressure Too Low
- Check Load Sense Pressure
- Check Difference In Pressure at Inlet Priority Valve
- Check Steering Pressure (Primary Circuit)
- Steering Pressure Still Too High or Low
- Fault Not Identified
- Hydraulic Pump Inlet Pressure
- Pressure Too Low
- Air In Oil Check
- Pressure Is Too High
- Check Delivery Rate of Charge Pump (Cavitation Test)
- Check System Pressure
- Pressure Is Too Low
- Pressure Too High
- Check Maximum System Pressure
- Pressure Too Low
- Check Load Sense Pressure
- Check Difference In Pressure at Inlet Priority Valve
- Check Steering Pressure (Primary Circuit)
- Steering Pressure Still Too High or Low
- Fault Not Identified
- Information on System Diagnosis
- Hydraulic Test Record
- Group 15 - System Tests
- Explanation of the Hydraulic Tests
- Safety Precautions
- Special or Essential Tools
- Service Equipment and Tools
- Heating Up Hydraulic Oil
- Lube Oil Pressure of Charge Pump
- Checking and Adjusting System Pressure of Hydraulic Pump
- Adjusting the Load Sense Valve on the Hydraulic Pump
- Checking Load Sense Pressure
- Checking the Load Sense Valve
- Pressure Difference (Dynamic)
- Causes of Internal Leakage
- Arrangement of Shuttle Valves
- Hydraulic System Response to a Missing Shuttle Valve
- Diagnosing Faults at the Selective Control Valves
- Check for Leaks at Valve Spools
- Diagnosing Faults at Independent Control Valves
- Checking Pressure Relief Valve of Rockshaft
- Adjusting the Power Beyond Application Valve
- Hydraulic Pump
- Charge Pump
- Checking, Calibrating and Adjusting the Rockshaft Control
- List of Diagnostic and Calibration Procedures
- Hitch Troubleshooting Tips
- Checking With the Performance Monitor
- Checking on Tractors With Dual Gauge Plus Dash Not possible from tractor serial no. 126575 to 132999
- Abbreviations Used in the Display
- Identification of Hitch Controls
- Diagnostic Program
- Commencing Program
- Select HCU
- Calling Up and deleting Service Codes
- Service Code List
- Calling Up Diagnostic Addresses
- Selecting Identification Addresses
- Commencing Program
- Select HCU
- Calling Up and deleting Service Codes
- Service Code List
- Calling Up Diagnostic Addresses
- Selecting Identification Addresses
- Identification of Electronic Control Unit (HCU)
- Address 03 for HCU AL78061
- Address 03 (AL78061) - System Voltage
- Check 4-pin service connector X29
- Address 03 (AL78061) - System Voltage
- Check 4-pin service connector X29
- Address 04 (AL78061) Raising Valve Command
- Address 05 (AL78061) Lowering Valve Command
- Address 06 (AL78061) Supply Voltage For Potentiometer And Position Sensor
- Address 07 (AL78061) Supply Voltage For Draft Sensors
- Address 08 (AL78061) LH Draft Sensor Output Voltage
- Address 09 (AL78061) RH Draft Sensor Output Voltage
- Address 10 (AL78061) Load/Depth Control Potentiometer Output Voltage
- Address 11 (AL78061) Hitch Height Control Potentiometer Output Voltage
- Address 12 (AL78061) Position Sensor output voltage
- Address 13 (AL78061) Raise Limit Potentiometer Output Voltage
- Address 14 (AL78061) Rate Of Drop Potentiometer Output Voltage
- Address 15 (AL78061) Remote Control Switch Position
- Address 16 (AL78061) Voltage of Raise/Lower Rocker Switch
- Address 19 (AL78061) Stepper Motor Position
- Address 03 (HCU AL81198, AL110388, AL112325 And AL116824) Voltage of Raise/Lower Rocker Switch
- Address 04 (HCU AL81198, AL110388, AL112325 and AL116824) LH Draft Sensor Output Voltage
- Address 05 (HCU AL81198, AL110388, AL112325 and AL116824) RH Draft Sensor Output Voltage
- Address 06 (HCU AL81198, AL110388, AL112325 and AL116824) Load/Depth Control Potentiometer Output Voltage
- Address 07 (HCU AL81198, AL110388, AL112325 and AL116824) Hitch Height Control Potentiometer Output Voltage
- Address 08 (HCU AL81198, AL110388, AL112325 and AL116824) Position Sensor Output Voltage
- Address 09 (HCU AL81198, AL110388, AL112325 and AL116824) Raise Limit Potentiometer Output Voltage
- Address 10 (HCU AL81198, AL110388, AL112325 and AL116824) Rate Of Drop Potentiometer Output Voltage
- Address 11 (HCU AL81198, AL110388, AL112325 and AL116824) Remote Control Switch In Raising Position
- Address 12 (HCU AL81198, AL110388, AL112325 and AL116824) Remote Control Switch In Lowering Position
- Address 13 (HCU AL81198, AL110388, AL112325 and AL116824) Supply Voltage For Potentiometer And Position Sensor
- Address 14 (HCU AL81198, AL110388, AL112325 and AL116824) Supply Voltage For Draft Sensors
- Address 16 (HCU AL81198, AL110388, AL112325 and AL116824) Stepper Motor Position
- Address 17 (HCU AL81198, AL110388, AL112325 and AL116824) Raise/Lower Valve Command
- Address 18 for HCU AL81198, AL110388, AL112325 and AL116824)
- Address 03 (AL78061) - System Voltage
- Check 4-pin service connector X29
- Address 18 - System Voltage
- Check 4-pin service connector X29
- Calibration Procedure
- Preliminary Work
- Commencing Program
- Commencing Calibration, Address 20
- Calibrating Hitch and Bleeding System
- Calibrating Raise Limit
- Calibrating Lowering Valve
- Calibrating Raising Valve
- Calibrating Volume of Lift Cylinder
- Calibrating Rate of Drop
- Calibrating Load/Depth
- Calibrating Draft Sensor
- End of Calibration
- Preliminary Work
- Commencing Program
- Commencing Calibration, Address 20
- Calibrating Hitch and Bleeding System
- Calibrating Raise Limit
- Calibrating Lowering Valve
- Calibrating Raising Valve
- Calibrating Volume of Lift Cylinder
- Calibrating Rate of Drop
- Calibrating Load/Depth
- Calibrating Draft Sensor
- End of Calibration
- CalibrationWith performance monitor -Brief Instructions for HCU AL78061
- Calibration Procedure
- Preliminary Work
- Commencing Program
- Commencing Calibration Address 20
- Bleeding the System and calibrating the hitch
- Calibrating Raise Limit
- Calibrating Lowering Valve
- Calibrating Raising Valve
- Calibrating Volume of Lift Cylinder
- Calibrating Rate of Drop
- Calibrating Load/Depth
- Calibrating Draft Sensor
- Checking the Raise/Lower Rocker
- Checking Remote Control Switch
- End of Calibration
- Preliminary Work
- Commencing Program
- Commencing Calibration Address 20
- Bleeding the System and calibrating the hitch
- Calibrating Raise Limit
- Calibrating Lowering Valve
- Calibrating Raising Valve
- Calibrating Volume of Lift Cylinder
- Calibrating Rate of Drop
- Calibrating Load/Depth
- Calibrating Draft Sensor
- Checking the Raise/Lower Rocker
- Checking Remote Control Switch
- End of Calibration
- Additional Checks
- Checking for Leaks at the Rockshaft Valve
- Checking the Stepper Motor and Rockshaft Valve
- Centering the Stepper Motor
- Checking Depth to Which Raising and Lowering Valves are Screwed In
- Checking and Adjusting the Position Sensor
- Checking and Adjusting the Draft Sensor
- Procedure With Service Code 050
- Procedure With Service Code 050
- Group 20 - Hydraulic System
- Hydraulic Symbols (ISO 1219)
- Hydraulics - A Description
- Hydraulic System - Theory of Operation
- Symbolic Representation of Hydraulic System
- Hydraulic System - Schematic View
- Hydraulic System - Three-Dimensional View
- Group 20A - Charge Pump
- Charge Pump - Description and Theory of Operation
- Group 20B - Hydraulic Pump
- Description of Hydraulic Pump
- Location of Oil Lines
- Pump Operation
- Operating Modes
- Group 20C - Hydraulic System Valves
- Hydraulic Oil Filter With Filter Relief Valve
- Oil Cooler
- Primary Filter
- Description of Shuttle Valves
- Shuttle Valves - Theory of Operation
- Main Block With Inlet Priority Valve
- Inlet Priority Valve - Theory of Operation
- Power Beyond Valve
- Group 20D - Rockshaft and Lift Cylinders
- Description of Rockshaft
- Rockshaft Control - Theory of Operation
- Rockshaft Valve - Theory of Operation
- Position Sensor
- Draft Sensor
- Operation Unit
- Hitch Control Unit (HCU)
- Direct Control of Rockshaft
- Group 20E - Selective Control Valves and Couplers
- Selective Control Valves
- 200 Series Selective Control Valve- Neutral
- 200 Series Selective Control Valve-Extend
- 200 Series Selective Control Valve- Retract
- 200 Series Selective Control Valve-Float
- 300 Series Selective Control Valve Operation- Neutral
- 300 Series Selective Control Valve - Extend
- 300 Series Selective Control Valve- Retract
- 300 Series Selective Control Valve- Float
- Couplers
- Group 20F - Independent Control Valve
- Description
- Independent Control Valve - Sectional View
- Oil Flow Through the Independent Control Valve
- Section 290 - OPERATOR’S STATION
- Group 05 - Operational Checks
- A/C System Operational Checks
- Engine Off Checks
- With Tractors Up to Serial No. 135238
- With Tractors From Serial No. 135239
- Engine Running Checks
- Temperature Drop Check
- Check Heater Valve Operation
- Engine Off Checks
- With Tractors Up to Serial No. 135238
- With Tractors From Serial No. 135239
- Engine Running Checks
- Temperature Drop Check
- Check Heater Valve Operation
- Results of Operational Checks
- Group 10A - Air Conditioning - System Diagnosis
- Safety at Work
- Handling Refrigerant
- Safety Equipment
- In an Emergency
- Storage of Refrigerant Containers
- R134A Refrigerant
- Important Note
- Service Equipment and Tools
- Other Material
- Specifications
- A/C System Diagnosis
- Compressor Clutch Engagement Check
- Static Pressure Check
- Circulator Motor Check With Tractors Up to Serial No. 135238
- Circulator Motor Check With Tractors From Serial No. 135239
- Isolate Malfunction
- Check Voltage and Continuity
- Check Fuse F206 With Tractors Up to Serial No. 135238
- Reason for Failed Fuse With Tractors Up to Serial No. 135238
- Loss of Battery Power Before Fuse With Tractors Up to Serial No. 135328
- Loss of Battery Power After Fuse
- Check Air Outlet Distribution
- System Cooling Check
- Temperature Drop Check
- Check Heater Valve Operation
- Install Test Equipment
- System Static Pressure Check
- No Gauge Pressure
- Low Pressure
- Clutch Cycle Check
- Causes of Frequent Clutch Cycling
- Sight Glass Check
- Leak Check System
- Add Refrigerant
- System Pressure Check
- Recharge System
- Check Expansion Valve Operation
- Pressure Does Not Change
- Defrost Evaporator
- Temperature Drop Check
- Engine Coolant Leak Check
- Engine Coolant Not Shut Off
- Excessive Air Leakage From Cab
- Possible Causes for Lack of Cooling Are
- Internal Line Restriction Check
- Possible Causes for Poor Cooling Are
- High/Low Pressure Switch Check (Low Pressure)
- High/Low Pressure Switch Check (High Pressure)
- Thermo Switch Check
- System Testing Summary
- Remove Moisture From System
- Compressor Clutch Engagement Check
- Static Pressure Check
- Circulator Motor Check With Tractors Up to Serial No. 135238
- Circulator Motor Check With Tractors From Serial No. 135239
- Isolate Malfunction
- Check Voltage and Continuity
- Check Fuse F206 With Tractors Up to Serial No. 135238
- Reason for Failed Fuse With Tractors Up to Serial No. 135238
- Loss of Battery Power Before Fuse With Tractors Up to Serial No. 135328
- Loss of Battery Power After Fuse
- Check Air Outlet Distribution
- System Cooling Check
- Temperature Drop Check
- Check Heater Valve Operation
- Install Test Equipment
- System Static Pressure Check
- No Gauge Pressure
- Low Pressure
- Clutch Cycle Check
- Causes of Frequent Clutch Cycling
- Sight Glass Check
- Leak Check System
- Add Refrigerant
- System Pressure Check
-
- Recharge System
- Check Expansion Valve Operation
- Pressure Does Not Change
-
- Defrost Evaporator
- Temperature Drop Check
- Engine Coolant Leak Check
- Engine Coolant Not Shut Off
- Excessive Air Leakage From Cab
- Possible Causes for Lack of Cooling Are
- Internal Line Restriction Check
- Possible Causes for Poor Cooling Are
- High/Low Pressure Switch Check (Low Pressure)
- High/Low Pressure Switch Check (High Pressure)
- Thermo Switch Check
- System Testing Summary
- Remove Moisture From System
- Group 10B - Ventilation and Heater - System Diagnosis
- Diagnosing Faults at Ventilation and Heater
- Group 10C - Operator’s Seat - System Diagnosis
- Faults
- Check the Compressor (Fault 1)
- Check if Bowden Cable is Broken (Fault 1)
- Replace Level Control (Fault 1)
- Check Fuse F201 And Wires (Fault 1)
- Check Wires And Cable Connection At Micro-Switch (Fault 1)
- Check Compressor (Fault 1)
- Bridge Over (By-Pass) the Two Plugs at the Micro-Switch (Fault 1)
- Replace Compressor (Fault 1)
- Check If Bowden Cable Is Broken (Fault 2)
- Check Bowden Cable Support (Fault 2)
- Check Routing of Hose (Fault 2)
- Replace Level Control (Fault 2)
- Check Air Connections and Lines for Leaks (Fault 3)
- Seal or Replace Hose Connections (Fault 3)
- Determine Air Loss at the Level Control Valves (Fault 3)
- Replace Level Control (Fault 3)
- Check Air Spring (Fault 3)
- Replace Compressor (Fault 3)
- Actuate Electric Switch in Level Control Several Times By Hand
- Replace Level Control (Fault 4)
- Check if Air Line is Bent (Fault 5)
- Check Level Control (Fault 5)
- Replace Level Control (Fault 5)
- Replace Level Control (Fault 6)
- Check the Compressor (Fault 1)
- Check if Bowden Cable is Broken (Fault 1)
- Replace Level Control (Fault 1)
- Check Fuse F201 And Wires (Fault 1)
- Check Wires And Cable Connection At Micro-Switch (Fault 1)
- Check Compressor (Fault 1)
- Bridge Over (By-Pass) the Two Plugs at the Micro-Switch (Fault 1)
- Replace Compressor (Fault 1)
- Check If Bowden Cable Is Broken (Fault 2)
- Check Bowden Cable Support (Fault 2)
- Check Routing of Hose (Fault 2)
- Replace Level Control (Fault 2)
- Check Air Connections and Lines for Leaks (Fault 3)
- Seal or Replace Hose Connections (Fault 3)
- Determine Air Loss at the Level Control Valves (Fault 3)
- Replace Level Control (Fault 3)
- Check Air Spring (Fault 3)
- Replace Compressor (Fault 3)
- Actuate Electric Switch in Level Control Several Times By Hand
- Replace Level Control (Fault 4)
- Check if Air Line is Bent (Fault 5)
- Check Level Control (Fault 5)
- Replace Level Control (Fault 5)
- Replace Level Control (Fault 6)
- Group 20A - Air Conditioning System - Theory Of Operation
- Principle of Heat Exchange
- R134A Refrigerant
- Layout of Refrigerant Circuit
- Description of How Refrigerant Circuit Functions
- Compressor
- Condenser
- Receiver-Drier
- Expansion Valve
- Thermostat Switch
- Evaporator
- Temperature Selection Knob and Compressor Switch
- Group 20B - Ventilation and Heater - Theory of Operation
- Ventilation and Heater
- Section 299 - SPECIAL TOOLS (DEALER-FABRICATED)
- Group 05 - Special Tools (Dealer-Fabricated)
- DFRW2-Needle Valve Test Hose Assembly
- DFRW85-Reverse Brake Test Plate

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