Case IH Axial-Flow 5088, Axial-Flow 6088, Axial-Flow 7088 Service Manual
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Template Date: 1994_04_05
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84242801 (Replaces 87719026)
5088, 6088,
7088 COMBINE
Service Manual
84242798
Replaces 87719025
5088, 6088,
7088 COMBINE
Service Manual
84242798
Replaces 87719025
5088, 6088,
7088 COMBINE
Service Manual
84242798
Replaces 87719025
5088, 6088,
7088 COMBINE
Service Manual
84242798
Replaces 87719025
AXIAL-FLOW® 5088, 6088 AND 7088 COMBINE MASTER TABLE OF CONTENTS
84242800 - 1
NOTE: Engine repair information is not contained within this Service Manual. Refer to the Service Manuals for the
8.3 9L 6-Cylinder 24 Valve CNH Engine (5088 and 6088 Combines) and 9.0L Engine (7088 Combine).
BOOK 1 - 87719028
ELECTRICAL SCHEMATIC POSTER - PRIOR TO PIN Y8G000101......................................................... 87719035
ELECTRICAL SCHEMATIC POSTER - PIN Y8G000101 AND AFTER...................................................... 87474621
HYDRAULIC SCHEMATIC POSTER - PRIOR TO PIN Y8G000101 .......................................................... 87719034
HYDRAULIC SCHEMATIC POSTER - PIN Y8G000101 AND AFTER ....................................................... 87474623
STANDARD TORQUE SPECIFICATIONS ........................................................................................ SECTION 1001
TORQUE SPECIFICATIONS - DECIMAL HARDWARE ............................................................................ 1001-2
TORQUE SPECIFICATIONS - METRIC HARDWARE ............................................................................... 1001-3
TORQUE SPECIFICATIONS - STEEL HYDRAULIC FITTINGS ................................................................ 1001-4
LOCTITE CHART ....................................................................................................................................... 1001-5
STATIONARY AIR SCREEN.............................................................................................................. SECTION 2004
Nozzle Drive Motor ..................................................................................................................................... 2004-3
Removal .................................................................................................................................................... 2004-3
Installation ................................................................................................................................................. 2004-5
Vacuum Fan and Rotating Arm ................................................................................................................... 2004-7
Removal .................................................................................................................................................... 2004-7
Installation ................................................................................................................................................ 2004- 0
ENGINE REMOVAL ........................................................................................................................... SECTION 2020
SPECIFICATIONS ....................................................................................................................................... 2020-2
SPECIAL TORQUES ................................................................................................................................... 2020-2
SPECIAL TOOLS ......................................................................................................................................... 2020-2
ENGINE REMOVAL .................................................................................................................................... 2020-3
ENGINE INSTALLATION .......................................................................................................................... 2020-17
ELECTRICAL SCHEMATICS ............................................................................................................. SECTION 4001
SCHEMATIC COLOR LEGEND ................................................................................................................. 4001-2
SUBSYSTEM INDEX .................................................................................................................................. 4001-4
ACTUATORS .............................................................................................................................................. 4001-6
POWER DISTRIBUTION ............................................................................................................................ 4001-8
STARTING AND CHARGING SYSTEM ..................................................................................................... 4001-9
CHASSIS GROUNDS ............................................................................................................................... 4001-10
CHASSIS GROUNDING POINT LOCATIONS ......................................................................................... 4001-11
CLEAN GROUNDS ................................................................................................................................... 4001-12
POWER DISTRIBUTION (FUSE BLOCKS) ............................................................................................. 4001-13
UNLOADER CONTROL ........................................................................................................................... 4001-16
GRAIN TANK COVERS CONTROL ......................................................................................................... 4001-17
CHAFFER SPREADER CONTROL .......................................................................................................... 4001-18
BACKUP ALARM ........................................................................................................................................ 4001-19
FEEDER AND SEPARATOR CONTROL ................................................................................................. 4001-20
SPREADER PATTERN CONTROL .......................................................................................................... 4001-22
HEADER SELECTOR VALVE/DECK PLATE CONTROL ........................................................................ 4001-23
CONCAVE CONTROL WITH PRESET MACHINES ................................................................................ 4001-24
FAN CONTROL WITH PRESET MACHINES ........................................................................................... 4001-26
ROTOR CONTROL WITH PRESET MACHINES ..................................................................................... 4001-28
AXIAL-FLOW® 5088, 6088 AND 7088 COMBINE MASTER TABLE OF CONTENTS
84242800 - 2
SIEVE CONTROL ..................................................................................................................................... 4001-30
MULTIFUNCTION PROPULSION HANDLE ............................................................................................ 4001-34
SIDE KNIVES (CAB)................................................................................................................................... 4001-35
HEADER REEL CONTROL ...................................................................................................................... 4001-36
HEADER HEIGHT/TILT CONTROL CAB ................................................................................................. 4001-38
HEADER HEIGHT/TILT CONTROL CHASSIS........................................................................................... 4001-40
SPEED MONITOR .................................................................................................................................... 4001-44
A-POST INSTRUMENTATION ................................................................................................................. 4001-46
GRAIN SCAN MONITOR .......................................................................................................................... 4001-48
RADIO ....................................................................................................................................................... 4001-49
WIPERS ...................................................................................................................................................... 4001-49
AUXILIARY POWER / HORN / DOME LIGHTS ....................................................................................... 4001-50
POWER GUIDE AXLE / VARIABLE PROPULSION ................................................................................. 4001-51
LUBE SYSTEM ......................................................................................................................................... 4001-52
RIDE CONTROL ........................................................................................................................................ 4001-52
ENGINE AND THROTTLE CONTROL/GRID HEATER ........................................................................... 4001-53
ENGINE CONTROL.................................................................................................................................... 4001-54
HVAC / CAB PRESSURE / AIR SEAT ..................................................................................................... 4001-56
AUTO GUIDANCE .................................................................................................................................... 4001-58
PRECISION FARMING ............................................................................................................................. 4001-61
BACKLIGHTING / POWER ....................................................................................................................... 4001-62
BACKLIGHTING / GROUNDS .................................................................................................................. 4001-63
SIEVE LIGHT & UNDERPANEL LIGHT ................................................................................................... 4001-64
TURN SIGNALS, TAIL/POSITION, AND BRAKE LIGHTS ....................................................................... 4001-66
PARKING BRAKE CONTROL .................................................................................................................. 4001-71
BEACON LIGHTS ..................................................................................................................................... 4001-72
EUROPEAN HEADLIGHTS/BEACON LIGHTS ........................................................................................ 4001-73
FRONT ROOF WORK LIGHTS ................................................................................................................ 4001-74
REAR, SIDE AND HEADER WORK LIGHTS ........................................................................................... 4001-76
CAN BUS AND RS232 SYSTEM .............................................................................................................. 4001-78
ELECTRICAL SYSTEM...................................................................................................................... SECTION 4003
SPECIAL TOOLS ........................................................................................................................................ 4003-3
INSTRUMENTATION AND CONTROLS .................................................................................................... 4003-4
FUSE AND RELAY IDENTIFICATION ....................................................................................................... 4003-8
CAB CONNECTOR AND COMPONENT LOCATIONS ............................................................................ 4003-12
GRAIN MOISTURE/BYPASS UNIT CONNECTOR LOCATIONS ............................................................ 4003-20
ROTOR SPEED CONTROL CONNECTOR LOCATIONS ....................................................................... 4003-21
ENGINE COMPARTMENT CONNECTOR LOCATIONS ......................................................................... 4003-22
BRAKE SWITCH CONNECTOR LOCATIONS ......................................................................................... 4003-24
MACHINE GROUND LOCATIONS ........................................................................................................... 4003-25
GROUND POINT LOCATIONS ................................................................................................................ 4003-26
COMBINE SENSOR LOCATIONS ........................................................................................................... 4003-33
COMBINE SENSOR TESTING ................................................................................................................ 4003-44
ELECTRICAL CONNECTORS PINOUT INFORMATION ........................................................................ 4003-51
CAN TERMINATOR LOCATIONS ............................................................................................................ 4003-93
STARTING SYSTEM CHECKLIST ........................................................................................................... 4003-95
STARTING SYSTEM POWER DISTRIBUTION ....................................................................................... 4003-95
STARTER SYSTEM TROUBLESHOOTING ............................................................................................ 4003-96
AXIAL-FLOW® 5088, 6088 AND 7088 COMBINE MASTER TABLE OF CONTENTS
84242800 - 3
BOOK 2 - 87719029
STEERING CYLINDER ...................................................................................................................... SECTION 5030
SPECIAL TORQUES .................................................................................................................................. 5030-2
STEERING CYLINDER .............................................................................................................................. 5030-3
Removal .................................................................................................................................................... 5030-3
Installation ................................................................................................................................................. 5030-5
STEERING AXLE ............................................................................................................................... SECTION 5040
Wheel Bearings ........................................................................................................................................... 5040-3
DIsassembly .............................................................................................................................................. 5040-3
Assembly ................................................................................................................................................... 5040-5
Servicing the Steering Tie Rod End ............................................................................................................ 5040-6
Removal .................................................................................................................................................... 5040-6
Installation ................................................................................................................................................. 5040-8
Toe in Adjustment ..................................................................................................................................... 5040-9
Steering Axle Assembly ............................................................................................................................ 5040-11
Axle Extension Positions ........................................................................................................................... 5040-12
Height Positions ...................................................................................................................................... 5040-12
Width Positions ....................................................................................................................................... 5040-13
Center Section .......................................................................................................................................... 5040-14
Removal .................................................................................................................................................. 5040-14
Installation ............................................................................................................................................... 5040-18
Steering Knuckle ....................................................................................................................................... 5040-22
Disassembly ............................................................................................................................................ 5040-23
Assembly ................................................................................................................................................. 5040-23
Bushing Replacement ............................................................................................................................... 5040-24
Removal .................................................................................................................................................. 5040-24
Installation ............................................................................................................................................... 5040-25
POWER GUIDE AXLE ....................................................................................................................... SECTION 5054
Motor Removal ............................................................................................................................................ 5054-3
Power Guide Axle - Exploded View .......................................................................................................... 5054-4
Motor Installation ......................................................................................................................................... 5054-5
HYDROSTATIC DRIVE PUMP .......................................................................................................... SECTION 6017
Removal .................................................................................................................................................... 6017-3
Inspection .................................................................................................................................................. 6017-7
Installation ................................................................................................................................................. 6017-7
PROPULSION SYSTEM AIR REMOVAL ................................................................................................. 6017-11
Combines without Power Guide Wheels ................................................................................................. 6017-11
Combines with Power Guide Wheels ...................................................................................................... 6017-12
HYDROSTATIC MOTOR ................................................................................................................... SECTION 6035
Removal ...................................................................................................................................................... 6035-3
Illustration of One Speed and Two Speed Hydrostatic Motors ................................................................... 6035-4
Installation ................................................................................................................................................... 6035-5
TRANSMISSION REMOVAL AND INSTALLATION ................................................................................... 6035-7
ILLUSTRATION OF TRANSMISSION REMOVAL ..................................................................................... 6035-9
Installation ................................................................................................................................................. 6035-10
GEAR SHIFT CONTROL CABLE ADJUSTMENT .................................................................................... 6035-12
PROPULSION SYSTEM AIR REMOVAL ................................................................................................. 6035-13
Combines without Power Guide Wheels ................................................................................................. 6035-13
Combines with Power Guide Wheels ...................................................................................................... 6035-14
AXIAL-FLOW® 5088, 6088 AND 7088 COMBINE MASTER TABLE OF CONTENTS
84242800 - 4
BRAKE ASSEMBLY AND TRANSMISSION COVER REMOVAL...................................................... SECTION 6040
SPECIFICATIONS ...................................................................................................................................... 6040-3
SPECIAL TORQUES .................................................................................................................................. 6040-3
SPECIAL TOOLS ........................................................................................................................................ 6040-3
BRAKE ASSEMBLY AND TRANSMISSION COVER REMOVAL .............................................................. 6040-5
SHIFTER RAILS AND SHIFT FORK REMOVAL ........................................................................................ 6040-7
INPUT HOUSING AND SHAFT REMOVAL ............................................................................................. 6040-10
CHANGE GEAR SHAFT REMOVAL AND DISASSEMBLY ..................................................................... 6040-13
DIFFERENTIAL REMOVAL AND DISASSEMBLY ................................................................................... 6040-16
DIFFERENTIAL PINION SHAFT REMOVAL AND DISASSEMBLY ......................................................... 6040-21
DIFFERENTIAL PINION SHAFT ASSEMBLY AND INSTALLATION ....................................................... 6040-27
Setting The Differential Pinion Shaft End Play ........................................................................................ 6040-34
DIFFERENTIAL ASSEMBLY AND INSTALLATION ................................................................................. 6040-36
Measuring the Shim Thickness for Differential Bearing Cap ................................................................... 6040-40
CHANGE GEAR SHAFT ASSEMBLY ...................................................................................................... 6040-43
INPUT HOUSING AND SHAFT ASSEMBLY ............................................................................................ 6040-45
CHANGE GEAR SHAFT AND INPUT HOUSING INSTALLATION .......................................................... 6040-47
Setting the Change Gear Shaft End Play ................................................................................................ 6040-49
Measuring the Internal Spline Shaft Wear .............................................................................................. 6040-51
SHIFTER RAILS AND SHIFT FORK ASSEMBLY .................................................................................... 6040-53
TRANSMISSION COVER AND BRAKE INSTALLATION ........................................................................ 6040-57
CROSS-SECTIONAL DRAWING OF TRANSMISSION ........................................................................... 6040-60
FINAL DRIVE SERVICE..................................................................................................................... SECTION 6060
SPECIFICATIONS ...................................................................................................................................... 6060-2
SPECIAL TOOLS ........................................................................................................................................ 6060-2
FINAL DRIVE SERVICE ............................................................................................................................. 6060-3
CROSS-SECTIONAL DRAWING OF FINAL DRIVE ................................................................................ 6060-23
PTO GEARBOX ................................................................................................................................. SECTION 6065
Section 6065 is in Book 4 of this Service Manual. It was issued with the first revision of this manual.
PTO HOUSING SERVICE.................................................................................................................. SECTION 6071
SPECIFICATIONS ...................................................................................................................................... 6071-2
SPECIAL TORQUES .................................................................................................................................. 6071-2
SPECIAL TOOLS ........................................................................................................................................ 6071-2
PTO HOUSING SERVICE .......................................................................................................................... 6071-3
PTO Input Shaft Disassembly ................................................................................................................... 6071-3
Separator Shaft Disassembly .................................................................................................................... 6071-5
PTO Input Shaft Assembly ........................................................................................................................ 6071-5
Separator Shaft Assembly ........................................................................................................................ 6071-6
Shimming the Bevel Pinion Gear .............................................................................................................. 6071-7
Separator Housing Installation and Bevel Gear Setting .......................................................................... 6071-10
Bevel Gear Pattern Check ...................................................................................................................... 6071-11
BRAKE ASSEMBLIES SERVICE ....................................................................................................... SECTION 7010
SPECIFICATIONS ...................................................................................................................................... 7010-2
BRAKE ASSEMBLIES SERVICE ............................................................................................................... 7010-3
Disassembly .............................................................................................................................................. 7010-3
Inspection .................................................................................................................................................. 7010-8
Assembly ................................................................................................................................................. 7010-10
AXIAL-FLOW® 5088, 6088 AND 7088 COMBINE MASTER TABLE OF CONTENTS
84242800 - 5
BOOK 3 - 87719030
HYDRAULIC SYSTEM - HOW IT WORKS ........................................................................................ SECTION 8001
GENERAL INTRODUCTION ...................................................................................................................... 8001-3
BASIC PRINCIPLES OF THE HYDRAULIC SYSTEM ............................................................................... 8001-3
LOAD SENSE SIGNAL TO PFC PUMP COMPENSATOR ........................................................................ 8001-4
HYDRAULIC SYSTEM COMPONENT LOCATION .................................................................................... 8001-5
HYDRAULIC SYSTEM RESERVOIR ......................................................................................................... 8001-6
HYDRAULIC SYSTEM PRESSURE SCREEN ........................................................................................... 8001-7
HYDRAULIC SYSTEM FILTRATION ......................................................................................................... 8001-8
PISTON PUMP AND COMPENSATOR VALVE ......................................................................................... 8001-9
PFC PUMP SYSTEM SCHEMATIC ......................................................................................................... 8001-10
PFC PUMP SYSTEM ................................................................................................................................ 8001-14
PFC PUMP EXPLODED VIEW ................................................................................................................. 8001-15
AUXILIARY PUMP SYSTEM .................................................................................................................... 8001-16
FEEDER DRIVE HYDRAULICS ............................................................................................................... 8001-22
CHAFF SPREADER (OPTIONAL) ............................................................................................................ 8001-24
CHAFF SPREADER HYDRAULICS ......................................................................................................... 8001-25
MAIN VALVE COMPONENT LOCATIONS .............................................................................................. 8001-26
STATIONARY AIR SCREEN (SAS) SYSTEM .......................................................................................... 8001-31
STATIONARY AIR SCREEN (SAS) HYDRAULIC SYSTEM .................................................................... 8001-32
FEEDER REVERSER SYSTEM ............................................................................................................... 8001-34
FEEDER REVERSER HYDRAULICS ...................................................................................................... 8001-35
STEERING SYSTEM ................................................................................................................................ 8001-36
HYDRAULIC SYSTEM COMPONENT LOCATION .................................................................................. 8001-37
STEERING RELIEF SETTING AND ADJUSTMENT ................................................................................ 8001-40
HIGH PRESSURE STANDBY CHECK AND ADJUSTMENT ................................................................... 8001-41
LOW PRESSURE STANDBY CHECK AND ADJUSTMENT .................................................................... 8001-42
PRESSURE REGULATOR VALVE PRESSURE CHECK (400 PSI) ........................................................ 8001-43
REGULATED PRESSURE CHECK (290 to 320 PSI) AND ADJUSTMENT ............................................. 8001-44
REEL DRIVE RELIEF PRESSURE CHECK AND ADJUSTMENT ........................................................... 8001-45
PRESSURE REGULATOR VALVE .................................................................................................... SECTION 8015
Removal ...................................................................................................................................................... 8015-3
Disassembly and Inspection ....................................................................................................................... 8015-4
Assembly .................................................................................................................................................... 8015-5
REMOVING AIR FROM THE HYDRAULIC SYSTEM ................................................................................ 8015-6
AIR-CONDITIONING TROUBLESHOOTING..................................................................................... SECTION 9010
SAFETY PROCEDURES ............................................................................................................................ 9010-4
SPECIAL TOOLS ........................................................................................................................................ 9010-5
ACCESSING THE EVAPORATOR/HEATER ASSEMBLY ......................................................................... 9010-6
THEORY OF OPERATION ......................................................................................................................... 9010-7
Serviceable Components - Automatic Temperature Control (ATC) .......................................................... 9010-7
ATC Systems ............................................................................................................................................ 9010-9
Temperature Range .................................................................................................................................. 9010-9
Smart Pressure Switch Cycling System .................................................................................................. 9010-10
A/C OPERATION ...................................................................................................................................... 9010-10
ATC WIRING SCHEMATIC ...................................................................................................................... 9010-12
ATC TROUBLESHOOTING ...................................................................................................................... 9010-13
ATC Electrical Troubleshooting ................................................................................................................ 9010-13
AXIAL-FLOW® 5088, 6088 AND 7088 COMBINE MASTER TABLE OF CONTENTS
84242800 - 6
ATC Fault Codes ...................................................................................................................................... 9010-17
1 - High Pressure Switch and Circuit Test .............................................................................................. 9010-20
2 - Low Pressure Switch and Circuit Test ............................................................................................... 9010-20
3 - Blower Potentiometer and Circuit Test .............................................................................................. 9010-22
4 - Temperature Potentiometer and Circuit Test ..................................................................................... 9010-23
5 - Cab Temperature Sensor and Circuit Test ........................................................................................ 9010-24
6 - Evaporator Temperature Sensor and Circuit Test ............................................................................. 9010-24
7 - ATC Controller Power Supply and Ground Test ................................................................................ 9010-25
8 - Blower Motor Power Supply and Ground Test ................................................................................... 9010-26
9 - Clutch Relay Power Supply and Ground Test ................................................................................... 9010-27
10 - Heater Control Valve Power Supply and Ground Test .................................................................... 9010-27
11 - ATC Switch and Circuit Test ............................................................................................................ 9010-28
12 - PWM Module Power Supply and Circuit Test .................................................................................. 9010-28
13 - LCD Display and Circuit Test ........................................................................................................... 9010-29
14 - Cab Pressurizer Blower Motor and Circuit Test ............................................................................... 9010-29
EXTERNAL COMPRESSOR CHECK ...................................................................................................... 9010-30
Compressor and Fan Belts ..................................................................................................................... 9010-30
Compressor Mounting Brackets .............................................................................................................. 9010-30
Compressor Clutch ................................................................................................................................. 9010-31
Pulley and Belt Alignment ....................................................................................................................... 9010-32
OPERATIONAL MODES .......................................................................................................................... 9010-33
Keyed Power - Automatic Mode .............................................................................................................. 9010-33
Defog/Defrost Mode ................................................................................................................................ 9010-34
BLOWER AND TEMPERATURE CONTROL ........................................................................................... 9010-35
Blower Motor ........................................................................................................................................... 9010-35
Blower Speed Control - Temperature Control - ATC Switch - LCD Display ............................................ 9010-35
Controller Initialization ............................................................................................................................. 9010-36
Blower Motor ........................................................................................................................................... 9010-37
ATC Switch ............................................................................................................................................... 9010-37
ATC CONTROLLER ................................................................................................................................. 9010-38
ATC Controller .......................................................................................................................................... 9010-38
Low and High Pressure Switches ........................................................................................................... 9010-39
Compressor Clutch ................................................................................................................................. 9010-40
CAB TEMPERATURE CHECK ................................................................................................................. 9010-41
Air Louvers .............................................................................................................................................. 9010-41
Air Conditioner Hose Check .................................................................................................................... 9010-41
Lower Louver Temperature ..................................................................................................................... 9010-42
Compressor Hoses ................................................................................................................................. 9010-43
Leak Finding Check ................................................................................................................................ 9010-43
Heater Hoses .......................................................................................................................................... 9010-43
Heater Control Valve ............................................................................................................................... 9010-44
EVAPORATOR AND PLENUM CHECK ................................................................................................... 9010-45
Evaporator Core ...................................................................................................................................... 9010-45
Plenum Sealing ....................................................................................................................................... 9010-45
Filters ...................................................................................................................................................... 9010-45
CAB AND EVAPORATOR TEMPERATURE SENSORS ......................................................................... 9010-46
CAB PRESSURIZER BLOWER ............................................................................................................... 9010-47
ATC COMPONENT LOCATIONS ............................................................................................................. 9010-48
AXIAL-FLOW® 5088, 6088 AND 7088 COMBINE MASTER TABLE OF CONTENTS
84242800 - 7
HVAC SYSTEM SERVICE ................................................................................................................. SECTION 9020
SPECIFICATIONS ...................................................................................................................................... 9020-2
SPECIAL TORQUES .................................................................................................................................. 9020-2
SPECIAL TOOLS ........................................................................................................................................ 9020-3
SAFETY PROCEDURES ............................................................................................................................ 9020-4
AIR CONDITIONER SYSTEM REFRIGERANT RECOVERY .................................................................... 9020-5
A/C Compressor ........................................................................................................................................ 9020-9
Oil Level Check or Adjustment .................................................................................................................. 9020-9
Injection Method ........................................................................................................................................ 9020-9
Dipstick Method ....................................................................................................................................... 9020-10
Removal .................................................................................................................................................. 9020-13
Installation ............................................................................................................................................... 9020-15
Compressor Belt Adjustment .................................................................................................................. 9020-17
AIR CONDITIONER SYSTEM EVACUATION AND RECHARGING ........................................................ 9020-18
AXIAL FLOW AIR CONDITIONING TEMPERATURE/PRESSURE CHART ........................................... 9020-22
COMPRESSOR CLUTCH ........................................................................................................................ 9020-23
Removal .................................................................................................................................................. 9020-23
Assembly ................................................................................................................................................. 9020-27
THERMAL EXPANSION VALVE TESTING .............................................................................................. 9020-33
THERMAL EXPANSION VALVE REPLACEMENT .................................................................................. 9020-35
ATC COMPONENTS ................................................................................................................................ 9020-38
CONDENSER, RECEIVER-DRIER AND TUBES ..................................................................................... 9020-40
INSTALLATION OF EVAPORATOR TEMPERATURE SENSOR ............................................................ 9020-41
HEATER AND EVAPORATOR CORE ..................................................................................................... 9020-42
Accessing the A/C Unit ........................................................................................................................... 9020-42
Heater And Evaporator Core Removal ................................................................................................... 9020-43
Heater and Evaporator Core Installation ................................................................................................. 9020-47
AUTOMATIC TEMPERATURE CONTROL MODULE REPLACEMENT .................................................. 9020-53
CAB RECIRCULATION AIR FILTER SERVICE ....................................................................................... 9020-54
CAB AIR INTAKE FILTER SERVICE ....................................................................................................... 9020-54
CAB PRESSURIZATION TEST ................................................................................................................ 9020-55
THREE SPEED ROTOR GEARBOX (Detent in Cover) ..................................................................... SECTION 9102
Section 9102 is in Book 4 of this Service Manual. It was issued with the first revision of this manual.
THREE SPEED ROTOR GEARBOX (Detent in Housing................................................................... SECTION 9103
Section 9103 is in Book 4 of this Service Manual. It was issued with the first revision of this manual.
FEEDER HOUSING AND ROTOR REMOVAL .................................................................................. SECTION 9104
SPECIFICATIONS ...................................................................................................................................... 9104-2
SPECIAL TORQUES .................................................................................................................................. 9104-2
SPECIAL TOOLS ........................................................................................................................................ 9104-2
FEEDER HOUSING .................................................................................................................................... 9104-3
Removal .................................................................................................................................................... 9104-3
Installation ............................................................................................................................................... 9104-10
ROTOR ..................................................................................................................................................... 9104-17
Removal .................................................................................................................................................. 9104-17
Inspection And Repair ............................................................................................................................. 9104-23
Installation ............................................................................................................................................... 9104-23
REPLACING THE ROTOR FRONT BEARING ........................................................................................ 9104-28
WITHOUT REMOVING THE ROTOR ...................................................................................................... 9104-28
Rotor Impeller Blade Clearance Check ................................................................................................... 9104-36
FEEDER AND CLEANING FAN GEARBOX ...................................................................................... SECTION 9106
SPECIFICATIONS ...................................................................................................................................... 9106-2
SPECIAL TORQUES .................................................................................................................................. 9106-2
FEEDER AND CLEANING FAN GEARBOX .............................................................................................. 9106-3
AXIAL-FLOW® 5088, 6088 AND 7088 COMBINE MASTER TABLE OF CONTENTS
84242800 - 8
ELEVATOR DRIVE JACKSHAFT ...................................................................................................... SECTION 9109
SPECIAL TORQUES .................................................................................................................................. 9109-2
SPECIFICATIONS ...................................................................................................................................... 9109-2
ELEVATOR DRIVE JACKSHAFT REMOVAL ............................................................................................ 9109-3
SERVICING THE ELEVATOR DRIVE JACKSHAFT .................................................................................. 9109-4
Disassembly .............................................................................................................................................. 9109-4
Assembly ................................................................................................................................................. 9109-14
ELEVATOR DRIVE JACKSHAFT INSTALLATION .................................................................................. 9109-23
POWER GRAIN BIN DOORS ............................................................................................................ SECTION 9118
Replacement of Actuator when able to power open covers ........................................................................ 9118-3
Adjustments ................................................................................................................................................ 9118-7
Replacement of Actuator when NOT able to power open covers ............................................................... 9118-8
STRAW CHOPPER GEARBOX ......................................................................................................... SECTION 9125
SPECIAL TORQUES .................................................................................................................................. 9125-2
SPECIFICATIONS ...................................................................................................................................... 9125-2
STRAW CHOPPER GEARBOX ................................................................................................................. 9125-3
Removal .................................................................................................................................................... 9125-3
Disassembly .............................................................................................................................................. 9125-4
Assembly ................................................................................................................................................. 9125-14
Cross-Sectional Drawing of Straw Chopper Gearbox ............................................................................. 9125-22
Installation ............................................................................................................................................... 9125-23
BOOK 4 - 84242802
PTO GEARBOX ................................................................................................................................. SECTION 6065
GENERAL SAFETY INFORMATION .......................................................................................................... 6065-3
Removal .................................................................................................................................................... 6065-4
Installation ................................................................................................................................................. 6065-7
THREE-SPEED ROTOR GEARBOX (with Detent in Gearcase Cover) ............................................. SECTION 9102
GEARBOX REMOVAL PROCEDURE ........................................................................................................ 9102-3
GEARBOX DISASSEMBLY ........................................................................................................................ 9102-8
GEARBOX ASSEMBLY ............................................................................................................................ 9102-26
GEARBOX INSTALLATION PROCEDURE .............................................................................................. 9102-33
THREE-SPEED ROTOR GEARBOX (with Detent in Gearcase Housing) ......................................... SECTION 9103
GEARBOX REMOVAL PROCEDURE ........................................................................................................ 9103-3
GEARBOX DISASSEMBLY ........................................................................................................................ 9103-8
GEARBOX ASSEMBLY ............................................................................................................................ 9103-26
GEARBOX INSTALLATION PROCEDURE .............................................................................................. 9103-33
SHAKER SYSTEM ALIGNMENT ....................................................................................................... SECTION 9135
GENERAL INFORMATION ......................................................................................................................... 9135-3
GENERAL SAFETY INFORMATION .......................................................................................................... 9135-3
SPECIAL TOOLS, LOCTITE® AND CLEANING SOLVENT ...................................................................... 9135-4
ALIGNMENT PROCEDURE ....................................................................................................................... 9135-5
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The Case IH Axial-Flow 5088, Axial-Flow 6088, and Axial-Flow 7088 Engines Repair Manual is a comprehensive guide designed for professional mechanics and DIY enthusiasts. It provides detailed instructions for removal, installation, disassembly, and assembly of the engines, along with step-by-step guidance for repair and maintenance tasks.
In addition to the mechanical aspects, this manual includes an electrical wiring diagram and hydraulic schematic to help troubleshoot and identify any electrical or hydraulic issues. Diagnostic procedures are outlined to assist in pinpointing the root cause of problems, enabling efficient issue resolution.
Specifications and torque values are provided to ensure adherence to the manufacturer's guidelines, thereby maintaining the performance and longevity of your Case IH Axial-Flow engine.
Models covered in this manual:
- Axial-Flow 5088
- Axial-Flow 6088
- Axial-Flow 7088
