
Part number 84370073
3rd edition English
October 2010
Replaces part number 84298546
OPERATORS MANUAL
AXIAL-FLOW
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7120
AXIAL-FLOW
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8120
AXIAL-FLOW
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9120
Combine
NOT FOR REPRODUCTION

Contents
1 GENERAL INFORMATION
Note to the Owner .......................................................................... 1-2
Ecology and the Environment - Ecology and the environment ............................ 1-4
General specification - Biodiesel Fuels .................................................... 1-5
Tracks - Quadtrac rubber tracks ........................................................... 1-6
Product identification ....................................................................... 1-7
2 SAFETY INFORMATION
Precautionary Statements .................................................................. 2-1
Travelling on public roads .................................................................. 2-2
Proposition 65 .............................................................................. 2-3
Personal safety ............................................................................. 2-4
Safety signs ................................................................................ 2-5
Universal Symbols ......................................................................... 2-12
International symbols ...................................................................... 2-16
Safety rules - Protective Devices ......................................................... 2-17
Guide for Recommended Inspection and Cleaning Practices ............................. 2-23
Machine cleaning .......................................................................... 2-24
Safety rules ................................................................................ 2-30
3 CONTROLS/INSTRUMENTS
OPERATOR’S SEAT
Operator’s seat ......................................................................... 3-1
FORWARD CONTROLS
Steering column and control pedals .................................................... 3-4
AFS PRO 600 MONITOR OPERATION ................................................ 3-8
Instrument panel - Control identification - Display Alarms ............................ 3-19
Automatic Crop Settings ............................................................... 3-28
Reel Position Switch ................................................................... 3-36
Reel speed ............................................................................ 3-37
Header Height Control ................................................................. 3-40
Header tilt .............................................................................. 3-49
RIGHT-HAND SIDE CONTROLS
Start Console .......................................................................... 3-50
Multi Function Handle ................................................................. 3-51
Right hand console .................................................................... 3-61
OVERHEAD CONTROLS
Overhead Controls .................................................................... 3-76
Heating, ventilation or air-conditioning control ........................................ 3-84
Display panel - Overview .............................................................. 3-87
EXTERIOR CONTROLS
Lighting and Mirrors ................................................................... 3-88
FRAME AND CAB
Operator’s Platform.................................................................... 3-94
Fuses and relays ...................................................................... 3-96
NOT FOR REPRODUCTION

Engine, Rear Platform Access ........................................................ 3-97
Grain tank - Access/Exit .............................................................. 3-100
Side shield - Open/Close ............................................................. 3-102
Service Platforms and Shielding ..................................................... 3-105
Module Adjustment Access .......................................................... 3-107
Grain Tank Extensions ............................................................... 3-108
Emergency Exit ....................................................................... 3-110
4 OPERATING INSTRUCTIONS
COMMISSIONING THE UNIT
Track System - Rubber Track Warranty ............................................... 4-1
Rubber Track Conditioning ............................................................. 4-2
Tracks Hard Surface Road Transporting .............................................. 4-3
Track Transmission Unlock ............................................................. 4-4
STARTING THE UNIT
Before Driving the Combine ............................................................ 4-5
Daily Start up Procedure ............................................................... 4-6
STOPPING THE UNIT
Stopping the machine .................................................................. 4-8
MOVING THE UNIT
Moving the machine .................................................................... 4-8
Travelling on public roads ............................................................. 4-13
Parking Brake - Manual Release ..................................................... 4-14
Manual release of the parking brake - Manual Release .............................. 4-15
5 TRANSPORT OPERATIONS
PREPARING FOR ROAD TRANSPORT
Transporting on a trailer - Tie Downs for Shipping ..................................... 5-1
Attaching a Trailer ...................................................................... 5-3
RECOVERY TRANSPORT
Towing the machine .................................................................... 5-4
6 WORKING OPERATIONS
GENERAL INFORMATION
Introduction to Harvesting .............................................................. 6-1
Combine Settings....................................................................... 6-3
Initial Crop Settings - AFX Rotor ....................................................... 6-5
Initial Crop Settings ..................................................................... 6-9
Kill-Stall Diagnosis ..................................................................... 6-11
Losses ................................................................................. 6-12
Crop setup values - Crop Condition Adjustment ...................................... 6-15
CALIBRATIONS
Basic Operation ................................................................... 6-18
Feeder Height ..................................................................... 6-19
Header Height ..................................................................... 6-22
Multifunction Handle ............................................................... 6-23
Tire Radius ........................................................................ 6-27
Groundspeed Hydrostat ........................................................... 6-29
NOT FOR REPRODUCTION

Concave Position .................................................................. 6-32
Upper Sieve ....................................................................... 6-33
Lower Sieve ....................................................................... 6-34
Self-leveling Shoe ................................................................. 6-35
CVT Rotor ......................................................................... 6-37
CVT Feeder ....................................................................... 6-38
Rotary airscreen ................................................................... 6-39
HEADER CONNECTION
Attaching the Header to the Combine ............................................. 6-41
Detaching the Header from the Combine ......................................... 6-44
Header Setup ...................................................................... 6-46
Row Header Setup ................................................................ 6-47
Platform Header Setup ............................................................ 6-52
FEEDING
Feeder ............................................................................. 6-58
Rock Trap.......................................................................... 6-62
Feeder Cradle ..................................................................... 6-64
Conveyor Drum Lower Stop ....................................................... 6-66
Feeder drum ....................................................................... 6-67
Feeder chain Link Removal ....................................................... 6-68
THRESHING
Threshing and Seperating - Rotor ................................................ 6-69
Overview - Rotor Modules ........................................................ 6-75
Module Position Overview ......................................................... 6-80
Module Adjustment ................................................................ 6-82
Threshing and separation ......................................................... 6-85
Suggested Start up Configurations for Major Crops ............................... 6-88
Operating the machine ............................................................ 6-89
Sieves - Sieves ................................................................... 6-91
Remove - Sieve ................................................................... 6-95
Install - Sieves .................................................................... 6-97
Cleaning fan - Cleaning Fan ..................................................... 6-101
Returns system - Returns System ............................................... 6-102
Grain storage - Grain Storage ................................................... 6-103
Unloading - Unloading ........................................................... 6-108
Residue handling - Residue Handling ........................................... 6-112
RESIDUE HANDLING - Overview - Discharge Deflector ........................ 6-113
Straw chopper .................................................................... 6-114
Chaff pan - Chaff Pan ............................................................ 6-117
Windrow preparation - Windrow Door ........................................... 6-118
Chaff spreader .................................................................... 6-119
Knife replacement - Knife Replacement ......................................... 6-120
Residue handling - Residue Handling System ................................... 6-122
7 MAINTENANCE
GENERAL INFORMATION
Torque specifications for hydraulic fittings - Standard torque data for hydraulics ..... 7-1
Torque specifications for hardware - Minimum tightening torques for normal assembly 7-3
Overview ............................................................................... 7-8
Overview - Service Screen ............................................................ 7-9
NOT FOR REPRODUCTION

Overview - Rotary Dust Screen and Cooling System ................................. 7-11
Overview - Air Intake System ......................................................... 7-13
MAINTENANCE CHART
Maintenance Chart - Lubricants ...................................................... 7-15
Maintenance Chart - Capacities ...................................................... 7-17
Maintenance Chart - Maintenance Schedule ......................................... 7-18
MAINTENANCE CHECKS AND SERVICES
Grease fittings ........................................................................... 7-21
100 hours Service ..................................................................... 7-21
300 hours Service ..................................................................... 7-23
600 hours Service ..................................................................... 7-25
ENGINE ................................................................................. 7-26
Engine oil level - Engine Oil Level .................................................... 7-26
Change fluid - Engine Oil and Filter FPT Cursor 9 ................................... 7-27
Change fluid - Engine Oil and Filter FPT Cursor 10 and Cursor 13 .................. 7-29
ENGINE - Replace Crankcase Breathing System FPT Cursor 9 ..................... 7-31
Change fluid - Crankcase Breathing System FPT Cursor 10 and Cursor 13 ......... 7-32
Change fluid - Coolant ................................................................ 7-33
MAINTENANCE
Feeder Conveyor Gearbox .............................................................. 7-36
Drive system - Replace Feeder conveyor gearbox - Oil .............................. 7-36
Header Gearbox ......................................................................... 7-38
Drive system - Replace - Header gearbox - Oil ....................................... 7-38
Rotor ..................................................................................... 7-40
Drive system - Replace rotor gearbox - Oil ........................................... 7-40
Tailings Gearbox ......................................................................... 7-42
CROP PROCESSING - Replace tailings gearbox - Oil ............................... 7-42
Bubble-up gearbox oil ................................................................... 7-43
CROP PROCESSING - Replace bubble-up gearbox - Oil ............................ 7-43
Replace - Fuel Prefilter/Water Separator ............................................. 7-44
Replace - Fuel Filter .................................................................. 7-45
Bleed - Fuel System .................................................................. 7-46
HYDRAULIC SYSTEM .................................................................. 7-48
Replace - Hydraulic oil ................................................................ 7-48
FRONT AXLE - Change fluid .......................................................... 7-50
Final drive Lubrication system - Change fluid ......................................... 7-51
UNLOADING DRIVE GEARBOX ........................................................ 7-54
Unloading tube - Change fluid Unloading Drive Gearbox ............................ 7-54
Drive system Unloading tube gearbox - Check Fluid ................................. 7-55
Unloading tube - Adjust Support Cradle .............................................. 7-57
Drive chains ............................................................................. 7-59
Drive and gear Chain drive - Check ................................................... 7-59
PROCESS DRIVE - Adjust ............................................................ 7-60
TRACK SYSTEM ........................................................................ 7-64
WHEELS AND TRACKS Tracks - Change fluid ....................................... 7-64
Track adjustment mechanism - Adjust ................................................ 7-67
Brakes ................................................................................... 7-69
Oil reservoir - Check Service brakes ................................................. 7-69
PARKING BRAKE - Check ............................................................ 7-70
STORAGE
NOT FOR REPRODUCTION

FRAME AND CAB - Storing ....................................................... 7-71
Preseason Service ................................................................ 7-72
8 SPECIFICATIONS
WHEELS AND TRACKS Wheels - Basic instructions Tire care ........................... 8-1
WHEELS AND TRACKS Wheels - Tire pressure - Drive Axle ............................. 8-2
WHEELS AND TRACKS - Basic instructions - Drive Wheel Mounting .................... 8-3
WHEELS AND TRACKS - Basic instructions - Dual Drive Wheel Mounting .............. 8-4
WHEELS AND TRACKS Wheels - Basic instructions - Single Wheel Temporary Transport 8-10
REAR AXLE - Torque...................................................................... 8-13
Hydraulic line - General specification - POWERED REAR AXLE HOSE ROUTING ..... 8-17
Spindle - Basic instructions - Height Position ............................................. 8-19
Support - Basic instructions - Tread Width Position ...................................... 8-21
Tire Combinations and Tread Positions ..................................................... 8-34
9120NA - 8120NA ......................................................................... 8-34
7120NA .................................................................................... 8-39
Approved Tires/Tracks..................................................................... 8-45
Tire / Operator Platform Extension Combinations ......................................... 8-47
6 mph Harvest Speed ....................................................................... 8-49
9120NA - Tire Inflation Pressure and Max Header Size. ................................. 8-49
8120NA - Tire Inflation Pressure and Max Header Size. ................................. 8-52
7120NA - Tire Inflation Pressure and Max Header Size. ................................. 8-55
10 mph Harvest Speed ...................................................................... 8-57
9120NA .................................................................................... 8-57
8120NA - Tire Inflation Pressure and Max Header Size. ................................. 8-60
7120NA .................................................................................... 8-63
Rear Ballast ................................................................................. 8-65
9120NA .................................................................................... 8-65
8120NA .................................................................................... 8-69
7120NA .................................................................................... 8-73
TRACK SYSTEM ............................................................................ 8-77
General Maintenance...................................................................... 8-77
WHEELS AND TRACKS Tracks - General specification .................................. 8-78
Idler wheel - Basic instructions ............................................................ 8-79
Track adjustment mechanism - Basic instructions ........................................ 8-80
Machine Specifications ...................................................................... 8-82
WHEELS AND TRACKS Tracks - General specification .................................. 8-82
Machine Specifications .................................................................... 8-83
FRAME AND CAB - Dimension ........................................................... 8-88
9 ACCESSORIES
OPTIONAL EQUIPMENT - Accessories ................................................... 9-1
10 FORMS AND DECLARATIONS
Fuse and relay box - Overview ............................................................ 10-1
Delivery report - Owner Copy ............................................................. 10-5
Delivery report - Dealer Copy ............................................................. 10-7
Service record - 1st 50 Hour, Customer Copy ............................................ 10-9
Service record - 1st 50 Hour, Dealer Copy .............................................. 10-11
NOT FOR REPRODUCTION

1 - GENERAL INFORMATION
1 - GENERAL INFORMATION
1-1
NOT FOR REPRODUCTION

1 - GENERAL INFORMATION
Note to the Owner
This manual contains information concerning the adjustment and maintenance of your new equipment. You have
purchased a dependable machine, but only by proper care and operation can you expect to receive the performance
and long service built into this equipment. Please have all operators read this manual carefully and keep it available
for ready reference.
Your CASE IH dealer will instruct you in the general operation of your new equipment. (Refer to the ’Delivery Report’ at
the back of this manual.) Your dealer’s staff of factory-trained service technicians will be glad to answer any questions
that may arise regarding the operation of your machine.
Your CASE IH dealer carries a complete line of genuine CASE IH service parts. These parts are manufactured and
carefully inspected to insure high quality and accurate fitting of any necessary replacement parts. Be prepared to give
your dealer the model and product identification number of your new equipment when ordering parts. Locate these
numbers now and record them below. Refer to the ’General Information’ section of this manual for the location of the
model and product identification numbers of your machine.
This Cotton Picker, with standard equipment and authorized attachments, is intended to be used in the harvesting of
ripe cotton bolls from the plant.
DO NOT use this machine for any purpose or in any manner other than as described in the manual, decals, or other
product safety information provided with the machine. These materials define the machine’s intended use.
All persons who will be operating this machine shall possess a valid local vehicle operating permit and/or other appli-
cable local age work permits.
NOTICE: Use only approved accessories and attachments designed for your machine.
NOTICE: Consult your dealer on changes, additions or modifications that may be required for your machine.
NOTICE: Do not make any unauthorized modifications to your machine.
PLEASE RECORD THE FOLLOWING INFORMATION
Model
Product Identification Number (PIN)
Date Purchased
Header Width (As Applicable)
Engine Model (As Applicable)
Engine PIN (As Applicable)
1-2
NOT FOR REPRODUCTION

1 - GENERAL INFORMATION
WARNING
THIS SAFETY ALERT SYMBOL INDICATES IMPORTANT SAFETY MESSAGES IN THIS MANUAL. WHEN YOU
SEE THIS SYMBOL, CAREFULLY READ THE MESSAGE THAT FOLLOWS AND BE ALERT TO THE POSSIBIL-
ITY OF DEATH OR SERIOUS INJURY.
M171C
WARNING
Some illustrations in this manual show shields opened or removed to display areas being serviced. Replace
all shields before operating the machine. Failure to comply could result in death or serious injury.
M1213
IMPROVEMENTS
CNH America LLC is continually striving to improve its products. We reserve the right to make improvements or
changes when it becomes practical and possible to do so, without incurring any obligation to make changes or addi-
tions to the equipment sold previously.
1-3
NOT FOR REPRODUCTION

1 - GENERAL INFORMATION
Ecology and the Environment - Ecology and the environment
Soil, air, and water are vital factors of agriculture and life in general. When legislation does not yet rule the treatment
of some of the substances which are required by advanced technology, sound judgement should govern the use and
disposal of products of a chemical and petrochemical nature.
NOTICE: The following are recommendations which may be of assistance:
•
Become acquainted with and ensure that you understand the relative legislation applicable to your country.
•
Where no legislation exists, obtain information from suppliers of oils, filters, batteries, fuels, antifreeze, cleaning
agents, etc., with regard to their effect on man and nature and how to safely store, use and dispose of these
substances.
•
Agricultural consultants will, in many cases, be able to help you as well.
HELPFUL HINTS
•
Avoid filling tanks using cans or inappropriate pressurized fuel delivery systems which may cause considerable
spillage.
•
In general, avoid skin contact with all fuels, oils, acids, solvents, etc. Most of them contain substances which may
be harmful to your health.
•
Modern oils contain additives. Do not burn contaminated fuels and or waste oils in ordinary heating systems.
•
Avoid spillage when draining off used engine coolant mixtures, engine, gearbox and hydraulic oils, brake fluids,
etc. Do not mix drained brake fluids or fuels with lubricants. Store them safely until they can be disposed of in a
proper way to comply with local legislation and available resources.
•
Modern coolant mixtures, i.e. antifreeze and other additives, should be replaced every two years. They should
not be allowed to get into the soil but should be collected and disposed of properly.
•
Do not open the air-conditioning system yourself. It contains gases which should not be released into the atmos-
phere. Your CASE IH dealer or air conditioning specialist has a special extractor for this purpose and will have to
recharge the system properly.
•
Repair any leaks or defects in the engine cooling or hydraulic system immediately.
•
Do not increase the pressure in a pressurized circuit as this may lead to a component failure.
•
Protect hoses during welding as penetrating weld splatter may burn a hole or weaken them, allowing the loss of
oils, coolant, etc.
1-4
NOT FOR REPRODUCTION
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CASE IH AXIAL FLOW 7120 8120 9120 Combine Operators Manual
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Description
- The CASE IH AXIAL FLOW 7120 8120 9120 COMBINE OPERATORS MANUAL is a comprehensive guide for effectively operating and maintaining your machine.
- This manual includes essential safety precautions, in-depth discussion of controls and instruments, step-by-step procedures for operating the tractor, a well-structured maintenance schedule, a concise troubleshooting section, and detailed specifications.
- Published by CASE COMPANY with the publication number 84370073, this 496-page manual offers an extensive wealth of knowledge without any delay, ensuring instant access to the information you seek.
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- The table of contents provides a clear roadmap to navigate through the manual, covering crucial topics such as safety precautions and decals, detailed specifications, comprehensive information on instruments and controls, step-by-step operating instructions, guidance on transport operation, insights into working operation, a well-structured maintenance section, information on accessories, and a helpful index for quick reference.
- We offer a vast collection of manuals, so feel free to reach out via email if you require any other specific manuals. Trust us to provide you with the information you need, precisely worded to enhance your understanding and maximize your productivity.