John Deere 4700 Sprayer Diagnostic & Test Service Manual TM1833 PDF

tm1833 - 4700 self-propelled sprayer Technical Manual Main Sections Foreword General Information Safety Operational Checks

Engine Operation and Tests General Information

Fuel, Air Intake, and Engine Cooling Systems Fuel/Air System Theory of Operation

Electrical Operation and Tests System Information System Diagrams Starting Circuit Power Circuit Charging Circuit Wiper Circuit Seat Circuit Cigarette Lighter Circuit Horn Circuit Dome Lamp Circuit

Radio and Clock Circuits Lighting Circuits Chassis Computer Unit/Spray Rate Control (CCU/SRC) Circuits Hydraulic Oil Temperature Sensor Circuit Engine Coolant Temperature Sensor Circuit Engine Oil Pressure Sensor Circuit Fuel Level Sensor Circuit Air Filter Restriction Sensor Circuit Radar Circuit Wheel Speed Sensor Circuit Throttle Circuit Agitation/Rinse Circuit Air Quality Circuit Tread Adjust Circuit Ladder Circuit SprayStar SprayStar is a trademark of Deere & Company.

System Circuit 24.4 and 27.4 M (80 and 90 Ft.) Boom Circuit Engine Speed Sensor Circuit Solution Pressure Sensor Circuit 76 L (20 gal) Foam Marker Circuit 132 L (35 gal) Foam Marker Circuit Wiring Harness Routings

Power Train Operation and Tests System Operational Checks Diagnostic Information Test

Adjust Theory of Operation

Steering and Brake Operation and Tests System Operational Checks Diagnostic Information System Tests Theory of Operation

Suspension and Tread Adjust System Operational Checks Diagnostic Information System Adjustments System Tests Theory of Operation

Hydraulic System Operation, Tests and Adjustments System Operational Checks Diagnostic Information System Tests Theory of Operation-Hydraulic System Theory of Operation-18.3 M (60 Ft) Boom (SN-6000) Theory of Operation-18.3 M (60 Ft) Boom (SN 6001-) Theory of Operation-24.4 and 27.4 M (80 and 90 Ft) Boom (SN-6000) Theory of Operation-24.4 and 27.4 M (80 and 90 Ft) Boom (SN 6001-) Hydraulic Circuit Symbols

Solution System Checks, Tests & Adjustments System Operational Checks Diagnostic Information Tests Adjustments Theory of Operation

76 L (20 Gal) Foam Marker System Operation, Tests and Adjustments System Operational Checks Diagnostic Information Tests Theory of Operation

132 L (35 Gal) Foam Marker System Operation, Tests and Adjustments System Operational Checks Diagnostic Information Tests Theory of Operation

Operator Station Operation, and Tests Operational Checks Theory of Operation

Dealer Fabricated Tools Dealer Fabricated Tools

Table of Contents

Table of Contents Table of Contents tm1833 - 4700 self-propelled sprayer Table of Contents

2 26 26

Foreword

26

Section 210: General Information

26

Group 05: Safety

26

Handle Fluids Safely-Avoid Fires

26

Prevent Battery Explosions

26

Prepare for Emergencies

26

Prevent Acid Burns

26

Avoid High-Pressure Fluids

26

Park Machine Safely

26

Support Machine Properly

26

Wear Protective Clothing

26

Work In Clean Area

26

Service Machines Safely

26

Work In Ventilated Area

26

Illuminate Work Area Safely

26

Replace Safety Signs

26

Use Proper Lifting Equipment

26

Remove Paint Before Welding or Heating

26

Avoid Heating Near Pressurized Fluid Lines

26

Service Tires Safely

26

Avoid Harmful Asbestos Dust

26

Use Proper Tools

26

Construct Dealer-Made Tools Safely

26

Dispose of Waste Properly

26

Live With Safety

26

Group 10: Operational Checks

26

Before You Start

27

Electrical System Operational Checks

27

Air Conditioning System Operational Checks

27

Section 220: Engine Operation and Tests

27

Group 05: General Information

27

Engine Operation and Tests

27

Repair Engine-Use CTM104

27

Section 230: Fuel, Air Intake, and Engine Cooling Systems Group 05: Fuel/Air System Theory of Operation

27 27

Fuel System

27

Air Intake and Exhaust System

27

Engine Cooling System

27

Section 240: Electrical Operation and Tests

27

Group 05: System Information

27

Using Electrical Section

27

Wiring Diagram and Schematic Information

27

Reading a System Functional Schematic

27

Electrical Schematic Symbols

27

Visually Inspect Electrical System

27

Seven Step Electrical Test Procedure

27

Electrical Circuit Malfunctions

27

High Resistance or Open Circuit

27

Grounded Circuit

27

Shorted Circuit

27

Understanding Electrical vs Electronic Circuit Voltage Test Readings

27

Intermittent Electronic Problems

27

Battery Operation

27

Diagnose Battery Malfunctions

27

Check Battery Electrolyte Level and Terminals

27

Procedure for Testing Batteries

28

Using a Booster Battery or Battery Charger

28

Group 10: System Diagrams

28

Component Identification Legend

28

Component Identification Table

28

Legend for System Functional Schematic

28

System Functional Schematic SE 1

28

System Functional Schematic SE 2

28

System Functional Schematic SE 3

28

System Functional Schematic SE 4

28

System Functional Schematic SE 5

28

System Functional Schematic SE 6

28

System Functional Schematic SE 7A, SE 7.1A and SE 8A (P.I.N. -1999)

28

5

Table of Contents System Functional Schematic SE 7B, SE 7.1B and SE 8B (P.I.N. -1999)

28

System Functional Schematic SE 7 (P.I.N. 2000-)

28

System Functional Schematic SE 8 (P.I.N. 2000-)

28

System Functional Schematic SE 9

28

System Functional Schematic SE 10

28

System Functional Schematic SE 11

28

System Functional Schematic SE 11.1

28

System Functional Schematic (SE 12)

28

System Functional Schematic SE 13

28

System Functional Schematic SE 14

28

System Functional Schematic SE 14A

28

System Functional Schematic SE 15

28

System Functional Schematic SE 16

28

System Functional Schematic SE 16.1

28

System Functional Schematic SE 17

28

System Functional Schematic SE 18

28

System Functional Schematic SE 19

28

System Functional Schematic SE19A

29

System Functional Schematic SE19B

29

System Functional Schematic SE 20

29

Chassis Harness Location Drawing

29

Chassis Harness Connectors P.I.N. -2000

29

B5-Hydro Oil Temperature

29

B9-Water Pressure Sensor

29

B10-Flowmeter

29

B19-Reverse Boost

29

K34-Left Boom Raise/Fold

29

K35-Left Boom Lower/Unfold

29

K36-Right Boom Lower/Unfold

29

K37-Right Boom Raise/Fold

29

M4-Front Washer

29

M6-Rear Washer

29

M10-Left Spray Valve

29

M11-Left Center Spray Valve

29

M12-Center Spray Valve

29

M13-Right Center Spray Valve

29

M14-Right Spray Valve

29

M15-Ladder Actuator

29

X11-Chassis Harness to Cab Harness

29

X22-Chassis Harness to Engine Harness

29

X23-Foamer

29

X24-Right Taillight/Hazard/Boom Light

29

X25-Rear Tread Adjust

29

X26-Rear Tread Adjust

29

X27-Agitation Pressure

29

X28-Wheel Speed Sensor

29

X30-Left Fence Nozzle

29

X31-Right Fence Nozzle

30

X32-Left Tail Light/Hazard Light/Boom Light

30

X46-Service Brake

30

X47-27.4 M (90 Ft.) Boom (Optional)

30

Y3-Traction Control 1

30

Y5-Left Boom Fold ValveY18-Left Boom Raise Valve

30

Y6-Left Boom Unload Valve Y19-Left Boom Lower Valve

30

Y7-Right Boom Unfold Valve Y20-Center Frame Lower ValveY22-Right Boom Lower Valve

30

Y8-Right Boom Fold Valve Y21-Center Frame Raise ValveY23-Right Boom Raise Valve

30

Y14-Mid/High Range

30

Y15-High Range

30

Y17-Park Brake

30

Y32-Solution Pump Speed Valve

30

Y34-Traction Control 2

30

Chassis Harness Connectors P.I.N. 2000-

30

B5-Hydro Oil Temperature

30

B19-Reverse Boost

30

K34-Left Boom Raise/Fold

30

K35-Left Boom Lower/Unfold

30

K36-Right Boom Lower/Unfold

30

K37-Right Boom Raise/Fold

30

M4-Front Washer

30

M6-Rear Washer

30

M15-Ladder Actuator

30

X11-Cab Harness to Chassis Harness

30

X22-Chassis Harness to Engine Harness

30

X23-Foamer

30

X25-Rear Tread Adjust

30

X26-Rear Tread Adjust

30

X27-Agitation Pressure

30

X28-Wheel Speed Sensor

31

X46-Service Brake

31

X49-Chassis Harness to Boom Harness

31

X50-Left-Hand Taillights

31

6

Table of Contents X51-Right-Hand Taillights

31

X52-Left-Hand Boom Lights

31

X53-Right-Hand Boom Lights

31

Y3-Traction Control 1

31

Y14-Mid/High Range

31

Y15-High Range

31

Y17-Park Brake

31

Y32-Solution Pump Speed Valve

31

Y34-Traction Control 2

31

Cab Harness Location Drawing

31

Cab Harness Connectors

31

A1-Radio

31

A4-Steering Column Module

31

A03-X1-CCU Logic

31

A03-X2-CCU Logic

31

A03-X3-CCU Driver

31

A03-X4-CCU Driver

31

B11, B12, B13, and B14-Radio Speakers

31

E1-Cigar Lighter

31

E2-Left Entry Light

31

E3-RHC Roof Lamp

31

E16-Right Mid-Body Floods

31

E17-Left Mid-Body Floods

31

F1–F24-Fuses

31

F25-F48-Fuses

31

Relays K1-K3

31

Relays K4-K6

32

Relays K7-K9

32

Relays K10-K12

32

Relays K13-K15

32

Relays K16-K18

32

Relays K19-K22

32

Relays K23-K25

32

Relays K26-K29 and K33

32

K30-Ladder Relay

32

M7-Blower Motor

32

M8-Cab Blower

32

R2-Drop-In Resistor Network

32

S1-Key Switch

32

S3-Road Lights

32

S6-Front Wiper Switch

32

S7-Rear Wiper Switch

32

S8-Blower Switch

32

S9-Deicing Switch

32

S10-High Pressure Switch

32

S11-Low Pressure Switch

32

S15-Start Aid Switch

32

S26-Throttle Switch

32

S31-Differential Lock

32

S32-Solution Pump

32

S33-Pressure Adjust (SN -6000)

32

S34-Rate Select

32

S35-Center Spray

32

S36-Right Center Spray

32

S37-Right Spray

32

S38-Left Spray

32

S39-Left Center Spray

33

S43-Left Entry Light Switch

33

S44-Left Door Switch

33

S45-Boom Switch

33

S46-Ground Speed

33

S47-Agitation Pump

33

S48-Foamer

33

S49-Right Fence

33

S50-Left Fence

33

S51-E-Stop

33

S52-Foam Rate

33

V1-Lighting Diode

33

X11-Chassis Harness to Cab Harness

33

X12-Seat Height

33

X13-Armrest Connector

33

X14-RS-232

33

X15-Can Bus

33

X18-Outer Roof Harness

33

X19-Outer Roof Harness

33

Engine Harness Location Drawing

33

Engine Harness Connectors

33

B3-Engine RPM MPU

33

B4-Air Filter Restriction

33

B7-Engine Oil Pressure

33

B8-Engine Temperature

33

7

Table of Contents G1-Alternator

33

R1-Manifold Heater

33

X22-Engine Harness to Chassis Harness

33

X34-Radar

33

X35-Auxiliary Lighting

33

X36-Front Tread Adjust

34

X37-Front Tread Adjust

34

X38-Throttle Actuator

34

X45-Grille Harness

34

Y1-A/C Compressor Clutch

34

18.3 (60 Ft) Boom Harness Connectors P.I.N. 2000-

34

B9-Water Pressure Sensor

34

B10-Flowmeter

34

H2-Right-Hand Warning Lamp

34

H3-Left-Hand Warning Lamp

34

M10-Left-Hand Spray Valve

34

M11-Left-Hand Center Spray Valve

34

M12-Center Spray Valve

34

M13-Right-hand Center Spray Valve

34

M14-Right-hand Spray Valve

34

X30-Left-Hand Fence Nozzle

34

X31-Right-Hand Fence Nozzle

34

X54-Boom Harness to Chassis Harness

34

Y5-Left-Hand Boom FoldY18-Left-Hand Boom Raise

34

Y6-Left-Hand Boom Unfold Y19-Left-Hand Boom Lower

34

Y7-Right-Hand Boom UnfoldY20-Center Boom Frame LowerY22-Right-Hand Boom Lower

34

Y8-Right-Hand Boom FoldY21-Center Boom Frame RaiseY23-Right-Hand Boom Raise

34

Boom Harness Location Drawing

34

24.4 and 27.4 M (80 and 90 Ft) Boom Harness Connectors P.I.N. 2000-

34

B9-Water Pressure Sensor

34

B10-Flowmeter

34

K38-Left-Hand Inner Unfold/Left-Hand Outer Unfold Relay

34

K39-Right-Hand Roll Bias/Center Frame Lower Relay

34

K40-Left-Hand Roll Bias/Center Frame Raise Relay

34

K41-Right-Hand Inner Unfold/Right-Hand Outer Unfold Relay

34

M10-Left-Hand Spray Valve

35

M11-Left-Hand Center Spray Valve

35

M12-Center Spray Valve

35

M13-Right-Hand Center Spray Valve

35

M14-Right-Hand Spray Valve

35

S54-Left-Hand Outer Boom Switch

35

S55-Left-Hand Inner Boom Switch

35

S56-Right-Hand Outer Boom Switch

35

S57-Right-Hand Inner Boom Switch

35

X30-Left-Hand Fence Nozzle

35

X31-Right-Hand Fence Nozzle

35

X48-Boom Harness to Chassis Harness

35

Y5-Left-Hand Inner FoldY21-Center Frame RaiseY40-Left-Hand Outer Fold

35

Y6-Left-Hand Inner UnfoldY20-Center Frame LowerY41-Left-Hand Outer Unfold

35

Y7-Right-Hand Inner UnfoldY45-Right-Hand Outer Unfold

35

Y8-Right-Hand Inner FoldY44-Right-Hand Outer Fold

35

Y18-Left-Hand Boom RaiseY23-Right-Hand Boom Raise

35

Y19-Left-Hand Boom LowerY22-Right-Hand Boom Lower

35

Y42-Right-Hand Roll Bias

35

Y43-Left-Hand Roll Bias

35

Group 15A: Starting Circuit

35

Starting Circuit Operational Information

35

Starting Circuit Theory of Operation

35

Starting Circuit Schematic

35

Starting Motor Operation

35

Voltage Checks

35

Group 15B: Power Circuit

35

Power Circuit Operational Information

35

Power Circuit Theory of Operation

35

Power Supply Circuit Schematic

36

Group 15C: Charging Circuit

36

Charging Circuit Operational Information

36

Charging Circuit Theory of Operation

36

Charging Circuit Schematic

36

Temperature Correction Chart

36

Group 15D: Wiper Circuit

36

Wiper Circuit Operational Information

36

Wiper Circuit Theory of Operation

36

Wiper Circuit Schematic

36

Voltage Checks

36

Group 15E: Seat Circuit

36

Seat Circuit Operational Information P.I.N. -4650

36

Seat Circuit Operational Information P.I.N. 4651-

36

Seat Circuit Theory of Operation P.I.N. -4650

36

Seat Circuit Theory of Operation P.I.N. 4651-

36

8

Table of Contents Seat Circuit Schematic

36

Voltage Checks

36

Group 15F: Cigarette Lighter Circuit

36

Lighter Circuit Operational Information

36

Lighter Circuit Theory of Operation

36

Cigarette Lighter Circuit Schematic

36

Voltage Checks

36

Group 15G: Horn Circuit

36

Horn Circuit Operational Information

36

Horn Circuit Theory of Operation

36

Horn Circuit Schematic

36

Voltage Checks

36

Group 15H: Dome Lamp Circuit

36

Dome Lamp Circuit Operational Information

37

Dome Lamp Circuit Theory of Operation

37

Dome Lamp Circuit Schematic

37

Voltage Checks

37

Group 15I: Radio and Clock Circuits

37

Radio and Clock Circuit Operational Information

37

Radio and Clock Circuit Theory of Operation

37

Radio and Clock Circuits Schematic

37

Voltage Checks

37

Group 15J: Lighting Circuits

37

Lighting Circuit Operational Information

37

Lighting Circuit Theory of Operation

37

Turn Signal and Warning Lights Circuit Theory of Operation

37

Lighting Circuit Operation

37

Lighting Circuit-Road/High Beam

37

Lighting Circuit-Road/Low Beam

37

Lighting Circuit-Field 1/High Beam

37

Lighting Circuit-Field 1/Low Beam

37

Lighting Circuit-Field 2/High Beam

37

Lighting Circuit-Field 2/Low Beam

37

Left Turn Signal Circuit Schematic

37

Right Turn Signal Circuit Schematic

37

Warning Lights Circuit Schematic

37

Group 15K: Chassis Computer Unit/Spray Rate Control (CCU/SRC) Circuits Chassis Computer Unit (CCU) Circuit

37 37

Proportional Valve Circuit

37

Group 15L: Hydraulic Oil Temperature Sensor Circuit

37

Hydraulic Oil Temperature Sensor Circuit

37

Hydraulic Oil Temperature Sensor Circuit Schematic

37

Voltage Checks

38

Group 15M: Engine Coolant Temperature Sensor Circuit

38

Engine Coolant Temperature Sensor Circuit

38

Engine Coolant Temperature Sensor Circuit Schematic

38

Voltage Checks

38

Group 15N: Engine Oil Pressure Sensor Circuit

38

Engine Oil Pressure Sensor Circuit

38

Engine Oil Pressure Sensor Circuit Schematic

38

Voltage Checks

38

Group 15O: Fuel Level Sensor Circuit

38

Fuel Level Sensor Circuit

38

Fuel Level Sensor Circuit Schematic

38

Voltage Checks

38

Fuel Level Sensor Circuit

38

Group 15P: Air Filter Restriction Sensor Circuit

38

Air Filter Restriction Sensor Circuit

38

Air Filter Restriction Sensor Circuit Schematic

38

Voltage Checks

38

Air Filter Restriction Switch Circuit

38

Group 15Q: Radar Circuit

38

Radar Circuit

38

Radar Sensor Circuit Schematic

38

Group 15R: Wheel Speed Sensor Circuit

38

Wheel Speed Sensor Circuit

38

Wheel Speed Sensor Circuit Schematic

38

Voltage Checks

38

Wheel Speed Sensor Circuit

38

Group 15S: Throttle Circuit

38

Throttle Circuit Operational Information

38

Throttle Circuit Theory of Operation

39

Throttle Circuit Schematic

39

Group 15T: Agitation/Rinse Circuit

39

Agitation Circuit Operational Information

39

Agitation Circuit Theory of Operation

39

Agitation Circuit Schematic

39

9

Table of Contents Group 15U: Air Quality Circuit

39

Air Quality Circuit

39

Air Quality Circuit Schematic

39

Voltage Checks

39

Group 15V: Tread Adjust Circuit

39

Tread Adjust Circuit Operational Information

39

Tread Adjust Circuit Theory of Operation

39

Tread Adjust Circuit Schematic

39

Group 15W: Ladder Circuit

39

Ladder Circuit Operational Information

39

Ladder Circuit Theory of Operation

39

Ladder Circuit Schematic

39

Group 15X: SprayStar SprayStar is a trademark of Deere & Company. System Circuit

39

SprayStar SprayStar is a trademark of Deere & Company. System Circuit Operational Information

39

SprayStarSPRAYSTAR is a trademark of Deere & Company System Circuit Schematic

39

Passive and Active Terminator Diagnostics and Theory of Operation

39

Group 15Y: 24.4 and 27.4 M (80 and 90 Ft.) Boom Circuit

39

24.4 and 27.4 M (80 and 90 Ft.) Boom Circuit Theory of Operation

39

24.4 and 27.4 M (80 and 90 Ft.) Boom Circuit Schematic

39

Voltage Checks

39

90 Foot Boom Fold Diagnostics

39

Group 15Z: Engine Speed Sensor Circuit

39

Engine Speed Sensor Circuit

40

Engine Speed Sensor Circuit Schematic

40

Voltage Checks

40

Group 15AA: Solution Pressure Sensor Circuit

40

Solution Pressure Sensor Circuit

40

Solution Pressure Sensor Circuit Schematic

40

Group 15AB: 76 L (20 gal) Foam Marker Circuit

40

76 L (20 gal) Foam Marker Circuit Operational Information

40

76 L (20 gal) Foam Marker Circuit Theory Of Operation

40

76 L (20 gal) Foam Marker Circuit Schematic

40

Group 15AC: 132 L (35 gal) Foam Marker Circuit

40

132 L (35 gal) Foam Marker Circuit Theory of Operation

40

132 L (35 gal) Foam Marker Circuit with Single Drop Nozzles Schematic

40

132 L (35 gal) Foam Marker Circuit with Dual Drop Nozzles Schematic

Group 20: Wiring Harness Routings

40

40

Ground Point Locations

40

Section 250: Power Train Operation and Tests

40

Group 05: System Operational Checks

40

System Operational Checks

40

Group 10: Diagnostic Information

40

Preliminary Checks

40

Diagnose Malfunctions of Hydrostatic System

40

Group 15: Test

40

Test Hydrostatic System Charge Pressure

40

Measure Pressure Difference Between Hydrostatic Pumps

40

Test Hydrostatic Pump Pressures-Independently

40

Checking Case Drain Flow of Front Motors

40

Checking Case Drain Flow of Rear Motors

40

Test Hydrostatic Pump Limiter Pressure

40

Test Hydrostatic Pump Limiter Pressure-Independently

41

Test Procedures and Adjustments

41

Flush Hydrostatic System

41

Traction Control Operational Test

41

Group 20: Adjust

41

Adjust Charge Pressure Relief Valve

41

Clean Charge Flush Orifice

41

Adjust Hydrostatic Forward High Pressure Relief Valves

41

Adjust Hydrostatic Reverse High Pressure Relief Valves (P.I.N. -2000)

41

Adjust Reverse Dual Stage Multi-function Valves (P.I.N. 2001 -)

41

Adjust Hydrostatic Pump Linkage

41

Group 25: Theory of Operation

41

Component Location Drawing-Hydrostatic System

41

Hydrostatic System-Neutral Operation

41

Hydrostatic System-Forward Operation

41

Hydrostatic System-Reverse Operation

41

Hydrostatic System-First Speed Range Operation

41

Hydrostatic System-Second Speed Range Operation

41

Hydrostatic System-Third Speed Range Operation

41

Multi-Function Valve Forward Operation

41

Dual Stage Multi-function Valve Reverse Operation (P.I.N. 2001-)

41

Planetary Drive Operation

41

Hydrostatic Schematic

41

Traction Control Operation

41

Hydraulic Circuit Symbols

41

10