JOHN DEERE 1470 1570 W330 COMBINE (DIAGNOSIS & TESTS) SERVICE MANUAL (TM801119)

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📑 Table of Contents:

- REFERENCES IN THIS MANUAL

- Section 205 - SAFETY

- Group 05 - Safety Information

- Live With Safety

- Work in Clean Area

- Work In Ventilated Area

- Wear Protective Clothing

- Service Machines Safely

- Prepare for Emergencies

- Avoid High-Pressure Fluids

- Service Accumulator Systems Safely

- Park Machine Safely

- Transporting the Combine Safely

- Handle Fluids Safely—Avoid Fires

- Prevent Battery Explosions

- Prevent Acid Burns

- Support Machine Properly

- Remove Paint Before Welding or Heating

- Avoid Heating Near Pressurized Fluid Lines

- Illuminate Work Area Safely

- Replace Safety Signs

- Use Proper Lifting Equipment

- Service Tires Safely

- Practice Safe Maintenance

- Use Proper Tools

- Dispose of Waste Properly

- Section 211 - DIAGNOSTICS

- Group 05 - Trouble Codes During Calibrations

- Group 10 - INFO-TRAK Trouble Codes

- Group 20 - CCU Trouble Codes

- Group 25 - HCU Trouble Codes

- Section 220 - ENGINE SYSTEM

- Group 05 - General Information

- How to Use this Section

- Engine Diagnostic Specifications

- Group 10 - Test and Adjustment Procedures

- Do Not Modify the Fuel System

- Checking for Air in Fuel Return Line

- Bleeding Fuel System—1470 (6.8 L)

- Bleeding Fuel System—1570 (6.8 L)

- Bleeding Fuel System—1570 (8.1 L)

- Engine Oil Pressure Test 6.8 L

- Engine Oil Pressure Test 8.1 L

- Fuel Transfer Pump Pressure Test—1570 (6.8 L)

- Fuel Transfer Pump Pressure Test—1570 (8.1 L)

- Turbocharger Pressure Test

- Group 15 - Engine Diagnostics

- About Theory of Operation

- Electronic Control System Operation—1570 (6.8 L)

- Fuel System Flow

- Fuel System Diagram—1470 (6.8 L) and 1570 (8.1 L)

- Fuel System Diagram—1570 (6.8 L)

- Group 20 - Identification and Location of Components

- Fuel Transfer Pump—1470 (6.8 L)

- Fuel Transfer Pump—1570 (6.8 L)

- Fuel Transfer Pump—1570 (8.1 L)

- Fuel Tank Drain

- Final Fuel Filter—1470 (6.8 L)

- Final Fuel Filter—1570 (6.8 L)

- Final Fuel Filter—1570 (8.1 L)

- Primary fuel filter—1470

- Primary fuel filter—1570

- Fuel Cooler—1570 (6.8 L)

- Fuel Tank Breather

- Fuel Level Sensor

- Drain Plug of the Final Fuel Filter—1470 (6.8 L)

- Drain Plug of the Final Fuel Filter—1570 (6.8 L)

- Drain Plug of the Final Fuel Filter—1570 (8.1 L)

- Turbocharger—1470 (6.8 L)

- Turbocharger—1570 (6.8 L)

- Turbocharger—1570 (8.1 L)

- Overflow Valve—1470 (6.8 L)

- Overflow Valve—1570 (6.8 L)

- Overflow Valve—1570 (8.1 L)

- Section 230 - COOLING AND AIR INTAKE SYSTEMS

- Testing Precautions

- Aftercooler Leak Test—1570 (6.8 L)

- Aftercooler Test Tool Manufacturing Procedure—1570 (6.8 L)

- Testing Radiator Cap—1470 (6.8 L) and 1570 (8.1 L)

- Testing Cooling System—1470 (6.8 L) and 1570 (8.1 L)

- Testing Expansion Tank Cap—1570 (6.8 L)

- Testing Cooling System—1570 (6.8 L)

- Inspect Thermostat and Test Thermostat Operating Temperature

- Radiator Inspection

- Group 15 - Air Intake System Diagnostic

- Theory of Operation

- Air Intake Diagram

- Air Intake System Flow

- Group 15A - Engine Cooling System Diagnostic

- Rotary Screen

- Vacuum Duct

- Radiators

- Engine Fan

- Engine Coolant Flow

- engine Cooling System Diagram—1470 (6.8 L) and 1570 (8.1 L)

- Engine Cooling System Diagram—1570 (6.8 L)

- Aftercooler of Engine and Radiator—1570 (6.8 L)

- Engine Air Filter—1470 (6.8 L)

- Engine Air Filter—1570 (6.8 L)

- Engine Air Filter—1570 (8.1 L)

- Engine Cooling Fan

- Radiator and Air Conditioning Condenser—1470 (6.8 L) and 1570 (8.1 L)

- Hydrostatic Oil Cooler, Air Conditioning Condenser and Fuel Cooler—1570 (6.8 L)

- Hydrostatic Oil Cooler—1470 (6.8 L) and 1570 (8.1 L)

- Recovery Tank—1470 (6.8 L) and 1570 (8.1 L)

- Expansion Tank—1570 (6.8 L)

- Dust Ejector Valve

- Thermostat—1470 (6.8 L)

- Thermostat—1570 (6.8 L)

- Thermostat—1570 (8.1 L)

- Section 240 - ELECTRICAL SYSTEM

- Group 05 - How To Use Diagnostic Information

- How To Use Electrical Diagnostic Group

- Visual Inspection of Electrical System

- Handling of Basic Electrical Components/Precautions with Vehicles Equipped with Computer Controlled Systems

- Wiring Harness/Electrical Connector Repair and Handling

- Diagnosis of Intermittent Failures

- Diagnostic Diagram and Information on Symbols in DiagramHow to use an Electrical Diagram

- Electrical Diagram Symbols

- Seven Steps Electrical Test Procedure

- Know the System

- Ask the Operator

- Inspect the System

- Operate the Machine (if possible)

- List the Possible Causes

- Come to a Conclusion

- Test your Conclusion

- Service Tools and EquipmentRecommended Tools

- ESD - Eletrostatic Discharge

- Factors Causing Static Electricity

- Prevention

- Equipment

- Precautions while Working

- Group 10 - Trouble Codes

- Cab Alarm Priorities

- Trouble Codes While Calibrating

- INFO-TRAK Trouble Codes

- CCU Trouble Codes

- HCU Trouble Codes

- Group 15 - Fuse Board

- A50 - Fuse Board

- Group 15A - Starting the Engine

- Electrical Diagram

- Group 15B - Engine Shut-Off—1470 (6.8 L)

- Group 15C - Engine Shut-Off—1570 (8.1 L)

- Group 15D - Recharging Battery

- Group 15E - Engine Speed Sensor—1470 (6.8 L) and 1570 (8.1 L)

- Group 15F - ECU - Power Feed—1570 (6.8 L)

- Group 15G - ECU - Fuel System and Throttle—1570 (6.8 L)

- Group 15H - ECU - Sensors—1570 (6.8 L)

- Group 15I - ECU - Warning Light and Interface—1570 (6.8 L)

- Display of Diagnostic Gauge Data Parameters (Murphy Gauge)

- Diagnostic Indicator Active DTC View

- Stored DTC View for Diagnostic Indicator

- Clean DTC Stored in Diagnostic Indicator

- Group 15J - CCD Bus - Communication between Boards

- Group 15K - CCU - Power Feed

- Group 15L - CCU - Separator Engage

- Identification of Hydraulic System Type

- Electrical Diagram - A-Type

- Electrical Diagram - B-Type

- Group 15M - CCU - Separator Speed Adjustment

- Group 15N - CCU - Header Engage

- Group 15O - CCU - Unloading Auger Engage

- Group 15P - CCU - Unloading Auger Engage

- Group 15Q - CCU - Reverser Engage

- Group 15R - CCU - Chaff Spreader Speed Adjustment

- Group 15S - CCU - Straw Chopper Engage

- Group 15T - CCU - Straw Chopper Speed Sensor

- Group 15U - CCU - Fan Speed Adjustment

- Group 15V - CCU - Fan Speed Sensor

- Group 15W - CCU - Concave Adjustment

- Group 15X - CCU - Fuel Level

- Group 15Y - CCU - Engine Coolant Temperature

- Group 15Z - CCU - Engine Oil Pressure - 1470 (6.8 L) and 1570 (8.1 L)

- Group 15AA - CCU - Engine Oil Pressure - 1570 (6.8 L)

- Group 15AB - CCU - Parking Brake

- Group 15AC - CCU - Tailings Elevator Auger Speed Sensor

- Group 15AD - CCU - Straw Walker Crankshaft Speed Sensor

- Group 15AE - CCU - Clean Grain Elevator Auger Speed Sensor

- Group 15AF - CCU - Engine Air Filter Sensor - 1470 (6.8 L) and 1570 (8.1 L)

- Group 15AG - CCU - Engine Air Filter Sensor - 1570 (6.8 L)

- Group 15AH - CCU - Hydraulic Oil Temperature Sensor

- Group 15AI - CCU - Hydraulic Oil Level and Filter Sensor

- Group 15AJ - CCU - Grain Tank Filling Level Sensor

- Group 15AK - CCU - Plugging Sensors

- Group 15AL - CCU - Reel speed

- Group 15AM - HCU - Power Feed

- Group 15AN - HCU - Automatic Cutting Height Control - Flex Header

- Group 15AO - HCU - Automatic Cutting Height Control - Rigid Header

- Group 15AP - HCU - Automatic Cutting Height Control - Corn Header

- Group 15AQ - HCU - Manual Cutting Height Control

- Group 15AR - HCU - Cutting Platform Automatic Lateral Tilt Control

- Group 15AS - HCU - Corn Header Automatic Lateral Tilt Control

- Group 15AT - HCU - Header Manual Lateral Tilt Control

- Group 15AU - HCU - Manual Control of Reel Horizontal Position

- Group 15AV - HCU - Manual Control of Reel Vertical Position

- Group 15AW - HCU - Cutterbar Pressure Adjustment

- Group 15AX - HCU - Corn Header Deck Plates Adjustment

- Group 15AY - INFO-TRAKINFO-TRAK is a trademark of the Deere & Company Monitor/ Drive Shaft Speed Monitor

- Operational Information — INFO-TRAK INFO-TRAK is a trademark of Deere & Company Monitor

- INFOTRAK™ Monitor

- INFO-TRAK Monitor Functions

- Setting and Displaying Time

- Tire Rolling Radius Code

- Input of Machine-Specific Data

- INFO-TRAK INFO-TRAK is a trademark of the Deere & Company Monitor Service Information

- Group 15AZ - Harvest Performance Monitor

- Group 15BA - Hectaremeter

- How to Reset a Password

- Group 15BB - Windshield Washer

- Group 15BC - Windshield Wiper

- Group 15BD - Radio

- Group 15BE - A/C

- Identification of Type

- Theory of Operation - A-Type

- Theory of Operation - B-Type

- Group 15BF - Horn

- Group 15BG - Cigarette Lighter

- Group 15BH - Fuse Tester

- Fuse Tester

- Group 15BI - Pneumatic Seat Compressor

- Group 15BJ - Cab Interior Light

- Group 15BK - Cab Auxiliary Work Lights

- Group 15BL - Work Lights and Spot Lights On Mirror Arms

- Group 15BM - Headlights

- Group 15BN - Unloading Auger Lighting

- Group 15BO - Reverse Light and Backup Alarm

- Group 15BP - Engine and Sieves Lighting

- Group 15BQ - Brake Lights

- Group 15BR - Switch Lighting

- Group 15BS - Turn Signal and Hazard Warning Lights

- Group 15BT - Indicators

- Group 15BU - Beacon Lights and Grain Tank Lighting

- Group 15BV - Four-Wheel Drive

- Group 15BW - AutoTrac Power Feed

- Group 15BX - HCU Test Procedures

- Functions of leveled Control Handle

- Header Control System Troubleshooting Tips

- ‘Limp Home” Feature

- Header Test Procedures—HCU

- Diagnostic Mode Access Procedures—INFO-TRAK Monitor™

- HCU Fault Codes

- Go to HCU display mode 0001

- Stored codes

- Note down codes and clear display

- Faults still exist

- Checking header controls

- Test Procedure No. 2 , Intermittent Circuit Tests

- Battery Voltage to Logic Circuit

- Battery voltage check

- Go to HCU display mode 0003

- Battery Voltage to Valves (Y12, Y18, and Y19)

- Go to HCU display mode 0004

- Battery Voltage Feed to Valves (Y3, Y4, Y14, Y15, Y16, Y17 and Y38)

- Battery voltage feed to valves check

- Sensor power

- Sensor power test

- Test Procedure No. 7, Header Raise/Lower Valves Duty-Cycle

- Reel Raise/Lower and Tilt Manual Control Switches

- Switch testing

- Lateral tilt switch test

- Reel raise/lower switch test

- Reel extend/retract switch test

- Manual Flex Pressure Switch—600 Series Flex Header

- Header pressure switch test

- Height control setting pot

- Header Raise/Lower Sensitivity Pot (R4)

- Feeder House Angle Sensor

- Left-Hand Tilt Sensor

- Right-Hand Tilt Sensor

- Test Procedure No. 17, Cutterbar Pressure Sensor (R14)

- Test Procedure No. 18, Reverse switch (S55)

- Height Sensor

- Resume Switch Positions

- Header Switch Test (S34)

- Return to Cut Switch Test (S28)

- Break Off Cut Switch Test (S6)

- Tilt and Height Switches

- Tilt engage switch test (S61)

- Height engage switch test (S32)

- Hydraflex Select Valve or Reel Raise/Lower Select Valve

- Hydraflex select valve or reel raise/lower select valve test

- Test Procedure No. 25, Header Raise/Lower Speed Display

- Reel and Tilt Valve Control

- Valve control test

- Header tilt valve test

- Reel raise/lower valve test

- Reel extend/retract valve test

- Test Procedure No. 30, Calibration Mode

- Calibrating Procedure

- Header Calibration Procedure—Step by Step

- Test Procedure N? 32, Header Type

- Test Procedure No. 33, Period of Time Raise Valve ON

- Test Procedure No. 34, Cutting Height Setting Display

- Test Procedure N?. 35, Height System Deadband

- Test Procedure N?. 36, Tilt System Deadband

- Test Procedure No. 37, Enable/Disable Header Raise in Reverse Mode

- Group 15BY - CCU Test Procedures

- CCU Test Procedures

- CCU Fault Codes

- Go to CCU display mode 0001

- Checking CCU controls

- Test Procedure No. 2, Intermittent Circuit Tests

- Threshing pressure transducer:

- Header Pressure Transducer

- Unloading auger pressure transducer

- Hydraulic Oil Return Pressure Sensor

- Engine Water Temperature Sensor

- Hydraulic Oil Temperature Sensor

- Air Conditioning Temperature Sensor

- Air Conditioning Adjustment Pot

- Reel RPM setting potentiometer

- Straw Chopper Speed Sensor

- Clean grain elevator speed sensor

- Tailings Elevator Speed Sensor

- Straw walker speed sensor

- Fuel Transducer

- Atmospheric pressure transducer

- Test Procedure No. 20, Diesel Oil Density Setting

- Test Procedure No. 21, Fuel Quantity Setting

- Go to CCU display mode 0022

- Battery Voltage to Valves (Y21, Y22, Y26 and Y28)

- Go to CCU display mode 0023

- Battery Voltage to Valves (Y1, Y2, Y5, Y20, Y23 and Y24)

- Go to CCU display mode 0024

- Test procedure no. 26, Machine Adjustments

- Test procedure no. 27, Calibrating Unloading Auger Position

- Test Procedure No. 28, Unloading Auger Opening Time Calibration

- Test Procedure No. 29, Priority Selection for Reel Speed Control

- Threshing, Header, Unloading Auger Softkeys

- Threshing engagement softkey test

- Header engagement softkey test

- Unloading auger engage softkey test

- Reel, Threshing, Fan and Concave setting softkeys

- Reel speed setting softkey test

- Threshing speed setting softkey test

- Fan speed setting softkey test

- Concave setting softkey test

- Emergency Stop and Chaff Spreader Speed Setting Softkeys and Operator Seat and Reverser Switches

- Reverser switch test

- Emergency stop softkey test

- Operator′s Seat Switch Test

- Chaff spreader speed setting softkey test

- Test Procedure No. 33, Separator Belt, Header and Unloading Auger Adjustment Mode

- Charging, Threshing, Header and Unloading Auger Valves Status

- Threshing engagement solenoid test

- Header engagement solenoid test

- Unloading auger engage solenoids test

- Charge Valves, Unloading Auger Engage, Threshing Speed Set and Straw Chopper Engage Status

- Charge Valve Test

- Threshing speed set solenoid test

- Straw chopper engage solenoid test

- Reverser, Reel Speed Set, Chaff Spreader and Concave Set Speed Status

- Reverser engagement solenoid test

- Concave engine set test

- Reel speed setting valve test

- Chaff spreader speed setting valve test

- Group 20 - Connectors

- How to Use Connector Data

- Wire Colors and Code Numbers

- A4 - Loss Monitor Board Connector

- A4a - CCD Connector

- A8 - Engine Control Unit Connector (ECU)

- A10 - Engine Diagnostic Gauge (Murphy Gauge) Connector

- A13 - CB Radio Connector

- A18 - Area Counter Connector

- B2 - Engine Oil Pressure Sensor Connector

- B3 - Air Conditioning Temperature Sensor Connector

- B4 - Coolant Temperature Sensor Connector

- B5 - Reel Speed Sensor

- B6 - Ground Speed Sensor Connector

- B7 - Hydraulic Oil Filter Sensor Connector

- B8 - Hydraulic Oil Temperature Sensor Connector

- B9 - Reel Speed Control Switch Connector

- B10 - Engine Air Filter Sensor Connector—1570 (6.8 L)

- B10 - Engine Air Filter Sensor Connector

- B11 - Fuel Tank Sensor Connector

- B12 - Horn Connector

- B13 - Air Conditioning Air Temperature Adjustment Potentiometer Connector - A-Type

- B13 - Air Conditioning Air Temperature Adjustment Potentiometer Connector - B-Type

- B14 - Low Pressure Switch Connector

- B15 - High Pressure Switch Connector

- B16 - Straw Chopper Impeller Speed Sensor Connector

- B17 - Tailings Elevator Sensor Connector

- B18 - Engine Oil Pressure Sensor Connector

- B19 - Clean Grain Elevator Auger Speed Sensor Connector

- B20 - Straw Walker Crankshaft Speed Sensor Connector

- B21 - Left-hand Straw Walker Performance Sensor External Connector

- B22 - Right-hand Straw Walker Performance Sensor External Connector

- B23 - Cleaning Shoe Performance Sensor Connector

- B26 - 3/4 Full Grain Tank Sensor Connector

- B27 - Full Grain Tank Sensor Connector

- B28 - Engine Speed Sensor Connector—1470 (6.8 L) and 1570 (8.1 L)

- B28 - Engine Speed Sensor Connector—1570 (6.8 L)

- B29 - Threshing Cylinder Speed Sensor Connector

- B30 - Fan Speed Sensor Connector

- B31 - Coolant Temperature Sensor Connector

- B32 - Fuel Pressure Sensor Connector

- B34 - Manifold Air Temperature Sensor Connector

- B39 - Left-hand Speaker Connector

- B39 - Right Height Sensor - Corn Head

- B40 - Right-hand Speaker Connector

- B40 - Central Height Sensor - Corn Head

- B41 - Water-In Fuel Gauge Sensor Connector

- B41 - Left Height Sensor - Corn Head

- B43 - Rear Buzzer Connector

- B47 - Deck plates position sensor - Corn head

- B49 - Separator Pressure Sensor Connector

- B50 - Grain Tank Unloading Pressure Sensor Connector

- B51 - Header Transmission Pressure Sensor Connector

- B54 - Fuel Temperature Sensor Connector

- E1 - Left-hand Headlight Connector

- E2 - Right-hand Headlight Connector

- E4 - Right-hand Auxiliary Work Light Connector

- E5 - Right-hand Auxiliary Work Light Connector

- E6 - Left-hand Auxiliary Work Light Connector

- E7 - Left-hand Auxiliary Work Light Connector

- E8 - Unloading Auger Light Connector

- E9 - Cigarette Lighter Socket Connector

- E10 - Grain Tank Light Connector

- E12 - Cab Interior Light Connector

- E13 - Left-Hand Tail Light Connector

- E14 - Right-Hand Tail Light Connector

- E15 - Left-hand Front Indicator Light Connector

- E16 - Right-hand Front Indicator Light Connector

- E18 - Right-hand Work Lamp Connector

- E19 - Left-hand Work Lamp Connector

- E20 - Engine Light Connector

- E21 - Chaffer Light Connector

- E23 - Left Reverse Light Connector

- E24 - Right Reverse Light Connector

- E25 - Left-hand Outside Mirror Work Spot Lamp Connector

- E26 - Right-hand Outside Mirror Work Spot Lamp Connector

- F51 - 20 A Fuse

- G2 - Alternator Connectors

- H13 - Left-Hand Tail Light Connector

- H14 - Left-Hand Tail Light Connector

- H15 - Left-hand Front Turn Signal Connector

- H16 - Right-hand Front Turn Signal Connector

- H20 - Cab Interior Alarm Connector

- H21 - Cab Intermittent Indicator Light Connector

- H34 - Indicators Connector

- H36 - Engine Compartment Intermittent Indicator Light Connector

- H43 - Left-hand brake Connector

- H44 - Right-hand brake Connector

- J1 - CCU Connector

- J2 - CCU Connector

- J3 - CCU Connector

- K1 - Starting engine Relay Connectors

- K4 - Power Supply Relay

- K5 - Air Heater Relay Connectors

- K13 - Injection pump feed relay

- K16 - Engine Air Filter Sensor Relay

- M1 - Starter Motor Connectors

- M3 - Windshield Wiper Motor Connector

- M4 - Cab Fan Connector - A-Type

- M4 - Cab Fan Connector - B-Type

- M5 - Seat Compressor Engine Connector

- M8 - Concave Adjustment engine Connector

- M9 - Fan engine Connector

- M11 - Windshield Washer Motor Connector

- P1 - Coolant Temperature Gauge Connector

- P2 - Fuel Gauge Connector

- P5 - Straw Walker Performance Monitor Connector

- P6 - INFO-TRAK INFO-TRAK is a trademark of the Deere & Company Monitor Connector

- P7 - Cleaning Shoe Performance Monitor Connector

- R1 - Air Conditioning Fan Resistor Connector

- R2 - Engine Air Intake Heater Connector

- R3 - Header Height Control Switch Connector

- R4 - PWM Setting Pot Connector

- R14 - Cutterbar Pressure Sensor Connector

- R23 - Left-hand Tilt Sensor Connector

- R24 - Right-hand Tilt Sensor Connector

- R25 - Height Sensor Connector

- R26 - Feeder House Position Sensor Connector

- R31 - Concave Sensor Connector

- S1 - Starter Key Connector

- S2 - Road Safety Switch Connector

- S5 - Parking Brake Switch Connector

- S7 - Brake Light Switch Connector

- S8 - Horn Switch Connector

- S10 - Reel Speed Manual Adjustment Switch Connector

- S11 - Hazard Light Switch Connector

- S12 - Turn Signal Switch Connector

- S13 - Clearance Lights/ Headlights Switch Connector

- S14 - Grain Tank Lighting Switch Connector

- S15 - Chaff Spreader Switch Connector

- S16 - Straw Walker Plugging Sensor Connector

- S17 - Straw Chopper Plugging Sensor Connector

- S18 - Beacon Lights Switch Connector.

- S19 - Cab Auxiliary Work Light Switch Connector

- S20 - Windshield Wiper Switch Relay Connector

- S21 - Windshield Washer Motor Switch Connector

- S22 - Air Conditioning Fan Switch Connector - A-Type

- S22 - Air Conditioning Fan Switch Connector - B-Type

- S23 - Reverse Light Switch Connector

- S24 - Feeder House Reverser Switch Connector

- S25 - Air Conditioning Temperature Control Knob Connector - A-Type

- S25 - Air Conditioning Temperature Control Knob Connector - B-Type

- S31 - Road Safety Switch Connector

- S32 - Automatic Cutting Control Enable Switch Connector

- S33 - Separator Drive Switch Connector

- S34 - Header Drive Switch Connector

- S35 - Unloading Auger Drive Switch Connector

- S36 - Concave Adjustment Switch Connector

- S37 - Engine Compartment Spot Lamp Switch Connector

- S39 - Unloading Auger Swing Switch Connector

- S40 - Threshing Cylinder Speed Adjustment Switch Connector

- S41 - Fan Speed Adjustment Switch

- S42 - Parking Brake Engage Switch Connector

- S44 - Throttle Switch Connector

- S45 - Seat Switch

- S46 - Four Wheel Drive Switch Connector

- S48 - Work lights and spot lights on mirror arms switch connector

- S49 - Full/Dipped Beam Switch Connector

- S50 - Cutterbar Pressure Select Valve Switch Connector

- S52 - Demoisturizer Switch Connector

- S55 - Reverse Travel Switch Connector

- S57 - Third Gear Switch Connector

- S61 - Tilt Enable Switch Connector (Automatic)

- S63 - Battery Switch Connector

- S66 - Header Lateral Tilt /Reel Horizontal Position Commuting Switch Connector (Manual Mode)

- S67 - Fan Motor Limiting Switch Connector

- S69 - Straw Chopper Inclinable Cover Switch Connector

- S70 - Cleaning Shoe Spot Lamp Switch Connector

- S71 - Unloading Auger Spot Lamp Switch Connector

- X0 - Main Cab Harness Ground

- X2 - Radio Connector

- X3 - Front Main Harness Ground

- X4 - Electrical Box Harness Grounding

- X6 - Relay Board Connector

- X7 - Relay Board Connector

- X8 - Relay Board Connector

- X15 - Trailer Socket

- X15 - Fuse Board Connector

- X16 - Fuse Board Connector - A-Type

- X16 - Fuse Board Connector - B-Type

- X17 - Fuse Board Connector

- X18 - Fuse Board Connector

- X19 - Fuse Board Connector

- X19 - Indicator Lights Panel Connector

- X20 - Electrical Box Power Feed Connector

- X20 - Indicator Lights Panel Connector

- X21 - Auxiliary Relays Board Connector

- X22 - Auxiliary Relays Board Connector

- X23 - Connector (W11 and W13)

- X24 - Auxiliary Relays Board Connector

- X25 - Connector (W1 and W11)

- X26 - Connector (W1 and W11)

- X27 - Connector (W1 and W11)

- X29 - Connector (W6 and W8)

- X30 - Connector (W6 and W8)

- X35 - Connector (W1 and W2)

- X36 - Connector (W1 and W3)

- X36 - Joystick Connector

- X37 - Connector (W1 and W3)

- X43 - Load Solenoid Connector

- X44 - Connector (W1 and W6)

- X45 - Connector (W6 and W11)

- X46 - Connector (W1 and W13)

- X49 - Connector (W1 and W5)

- X51 - Main Valve Stack Connector

- X52 - Secondary Valve Stack Connector

- X53 - HCU Board Connector

- X54 - Unified Valve Block Connector

- X55 - HCU Board Connector

- X63 — ATU Connector

- X64 - Diagnostic Connector of Engine Control Unit

- X65 - Connector (W13 and W16)

- X66 - Connector (W1 and W4) - A-Type

- X66 - Connector (W1 and W4) - B-Type

- X72 - Connector (W9 and W11)

- X73 - Connector (W6 and W10)

- X74 - Connector (W6 and W29)

- X74 - HYDRA-FLEX Bypass Valve Solenoid Connector

- X75 - Connector - Cutterhead

- X76 - Connector (W6 and W17)

- X81 - Heating Valve Connector

- X91 - Cab Auxiliary Work Light Connector

- X92 - Beacon Light Connector

- X117 - Fuse Board Connector

- X118 - Fuse Board Connector

- Y1 - Injection Pump Connector

- Y2 - Reel Speed Setting Valve Connector

- Y3 - Header Raise Solenoid Connector

- Y4 - Header Lower Solenoid Connector

- Y7 - Chaff Spreader Solenoid Connector

- Y9 - Fuel Secondary Solenoid Connector—1470 (6.8 L)

- Y9 - Fuel Pump Solenoid Connector—1570 (8.1 L)

- Y26 - Reverser Valve Solenoid Connector

- Y27 - Left-hand Four Wheel Drive Solenoid Connector

- Y29 - Straw Chopper Engage Solenoid Connector

- Y32 - Right-hand Four Wheel Drive Solenoid Connector

- Y33 - Air Conditioning Compressor Clutch Connector

- Y37 - Four Wheel Drive Solenoid Connector

- Y39 - Fuel Transfer Pump Connector

- Section 250 - DRIVE TRAIN

- Group 05 - Specifications

- Hydrostatic Drive

- Hydrostatic Drive Components

- Group 10 - Checking Parts for Wear

- Inspection of Parts

- Insufficient Lubrication

- Contamination with Abrasive Substances

- Cavitation

- Excessive rotation

- Shaft Seal Inspection

- Inspection of Thrust Plate

- Inspection of Fixed Swashplate

- Inspection of Piston Shoe

- Inspection of Piston Retainer

- Inspection of Cylinder Block

- Inspection of Bearing Plate

- Inspection of Valve Plate

- Inspection of Bearing and Race

- Inspection of Servo Piston

- Inspection of Drive Shaft

- Group 15 - Hydrostatic System Test

- Specification

- Special Tools

- Recommended Special Tool

- Hydrostatic Pump Pre-Charge Pressure

- Retract Pressure Relief Valve

- Extend Pressure Relief Valve

- Pressure of Reservoir Backflow Limiter Valve

- Group 20 - Transmission

- Three-Speed Transmission—Operation

- Lubrication Of Three-Speed Transmission

- Transmission Lube Pressure Check

- Section 255 - FOUR-WHEEL DRIVE

- Group 10 - Two-Speed Four-Wheel Drive

- Operational Theory

- Section 260 - BRAKES, STEERING AND REAR AXLE

- Group 05 - Brake System

- Brake System

- Brake Fluid Reservoir

- Adjusting Foot Brakes

- Parking Brake

- Brake Master Cylinder

- Pressure Equalizing Valve

- Group 10 - Drum Brakes

- Drum Brakes

- Group 15 - Steering System

- Hydraulic Schematic

- Hydrostatic Unit

- Operation Of the Metering Element Impeller

- Manual Operation Of The Unit

- Section 270 - HYDRAULIC SYSTEM

- Hydraulic Symbols

- Precautions to be Taken Prior to Disassembling A Valve

- Description of Hydraulic System - A-Type

- Description of Hydraulic System - B-Type

- Quadruple Hydraulic Pump

- Pump Failures

- Group 10 - Identification of Type

- Group 10A - Main and Secondary Control Block - A-Type

- Secondary Control Block

- Charging Valve

- Cutterbar pressure and reel raise/lower select valve

- Reel Raise/Lower Valve

- Reel Forward/Reverse Valve

- Lateral Tilt Valve

- Unloading auger Valve

- Group 10B - Unified Hydraulic Valve Block - B-Type

- Unified Hydraulic Valve Block

- Load Valve

- Cutterbar Pressure Select and Reel Raise/Lower Valve

- Reel Extend/Retract Valve

- Unloading Auger Valve

- Group 15 - Steering

- Group 20 - Reel and Reverser (Without Chaff Spreader)

- Reel and reverser valve diagnosis

- Group 20A - Reel, Reverser and Chaff Spreader

- Group 25 - Header Raise

- Header Valve Diagnosis

- Group 30 - Hydrostatic Drive

- Diagram - Without Four Wheel Drive

- Diagram - With Four Wheel Drive

- Group 35 - Location of Hydraulic Components

- A52 - Main Valve Stack

- A53 - Secondary Valve stack

- A54 - Unified Valve Block

- B8 - Oil Temperature Sensor

- B49 - Separator Pressure Sensor

- B50 - Unloading Auger Pressure Sensor

- B51 - Header Transmission Pressure Sensor

- H1 - Pressure Accumulator

- H2 - Header Raise Cylinder

- H3 - Separator Drive Cylinder

- H4 - Straw Chopper Drive Cylinder

- H5 - Reel Raise/Lower Master Cylinder

- H6 - Reel Raise/Lower Auxiliary Cylinder

- H8 - Unloading Auger Swing Cylinder

- H10 - Threshing Cylinder Speed Variator

- H12 - Header Tilt Cylinder

- H13 - HYDRA-FLEX HYDRA-FLEX is a trademark of Deere & Company Cutterbar Cylinder

- H14 - HYDRA-FLEX HYDRA-FLEX is a trademark of Deere & Company Cutterbar Left Cylinder

- H15 - Left Steering Cylinder

- H16 - Right Steering Cylinder

- H17 - Steering Servostat

- H18 - Quadruple hydraulic pump

- H19 - Return Filter

- H20 - Divider block

- H22 - Unloading Auger Drive cylinder

- H23 - Reel, reverser and spreader valve

- H24 - Reel Hydraulic Motor

- H25 - Hydraulic/Hydrostatic System Oil Reservoir

- H29 - Threshing Pressure Accumulator

- H30 - Cutterbar Pressure Accumulator

- H35 - Header Drive Cylinder

- H37 - Reel Fore/Aft Master Cylinder

- H38 - Reel Fore/Aft Auxiliary Cylinder

- H39 - Hydraulic Reverser Motor

- H40 - Select Valve

- H41 - Header Hitch Valve

- H52 - Chaff Spreader Hydraulic Engines

- H57 - Flow Control Valve—Extend

- H58 - Flow Control Valve—Retract

- Section 290 - CAB

- Group 05 - Cab and Operator′s Seat

- Cab

- Cab Air Filter

- Air Intake And Distribution

- Operator′s Seat And Passenger′s Seat

- Mechanical Adjustment of Seat Position

- Adapting Seat to Operator’s Weight

- Air Comfort Seat

- System Diagnosis of Mechanical Seat

- Section 290A - AIR CONDITIONING AND HEATING

- Group 05 - Air Conditioning and Heating

- Compressor and Drive

- Air Conditioning and Heating Unit - A-Type

- Air Conditioning and Heating Unit - B-Type

- Air Conditioning Housing

- Air Conditioning Housing (Left-Hand Side) - A-Type

- Air Conditioning Housing (Left-Hand Side) - B-Type

- Air Conditioning Housing (Right-Hand Side)

- Air Conditioning Housing (Hose Connections)

- Temperature Control Switch With Sensor - A-Type

- Temperature Control Switch With Sensor - B-Type

- Air Conditioning Housing in Open Position - A-Type

- Air Conditioning Housing in Open Position - B-Type

- Evaporator With Expansion Valve

- Air Control Flap - A-Type Only

- Cab Rear and Lateral Wall Connectors and Hoses

- Heater Control Valve and Air Conditioning System Low Pressure Switch

- Group 10 - Ventilation and Heating—Troubleshooting

- Ventilation and Heating

- Group 15 - Operational Tests and Troubleshooting

- Test Sequence

- Air conditioning

- Tests with the engine shut off

- Procedure

- Air flow check

- Tests with engine started up

- Temperature Test

- Safety in the Workplace

- Handling Refrigerant

- In the event of an Emergency

- Storage of Containers of Refrigerant

- R134a Refrigerant

- Specifications

- Troubleshooting

- Explanation Of Checks

- Air Conditioning Compressor

- Visual Checks

- Switches

- Refrigerant Leak at Evaporator Housing

- Evaporator

- Expansion Valve

- Compressor — Pressure Test

- Pressure Deviations

- Group 20 - Air Conditioning System Operation

- Principle Of Heat Exchange

- Layout Of Refrigerant Circuit

- Description Of Refrigerant Circuit Function

- Description Of Refrigerant Circuit Operation (Continued)

- Compressor

- Condenser

- Filter-Drier

- Temperature Adjustment Mechanism - A-Type

- Temperature Adjustment Mechanism - B-Type

- Temperature Control Switch - A-Type

- Temperature Control Switch - B-Type

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