Case IH Axial Flow 7120 8120 9120 Combine Harvesters Official Workshop Service Repair Manual

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Case IH Axial Flow 7120 8120 9120 Combine Harvesters Official Workshop Service Repair Manual

The Best PDF Manuals Online Includes : Bookmarks + Searchable Text + Index = Fast Navigation And Best Organization !

This is the COMPLETE Official Service Repair Manual for the Case IH Axial Flow Combine.

This manual contains deep information about maintaining, assembly, disassembly and servicing your Axial Flow Combine.

This PDF file is Bookmarked and SEARCHABLE to make what you need easy to find.

This Manual contains information and data to this model. has specs, diagrams, and actual real photo illustrations, and schemes,
which give you complete step by step operations on repair, servicing, technical maintenance & troubleshooting procedures for your machine.
this manual offers full information you need for repair your machine.
the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service.
all pages are printable, so run off what you need and take it with you into the garage or workshop.

Models & Serials Covered:

Part number 84526978
English
March 2013

Table of Contents:

INTRODUCTION
Engine....................................................................................... 10
[10.001] Engine and crankcase . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.1
[10.202] Air cleaners and lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.2
[10.210] Lift pump and lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.3
[10.310] Aftercooler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.4
[10.400] Engine cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.5
[10.414] Fan and drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.6
[10.418] Rotary screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.7
[10.450] Engine air compressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.8
Main gearbox and drive ............................................................... 14
[14.100] Main gearbox and drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14.1
Transmission.............................................................................. 21
[21.100] Mechanical transmission lubrication system . . . . . . . . .21.1
[21.114] Mechanical transmission . . . . . . . . . . . . . . . . . . . . . . . . . 21.2
[21.130] Mechanical transmission external controls. . . . . . . . . . .21.3
[21.145] Gearbox internal components. . . . . . . . . . . . . . . . . . . . . .21.4
[21.182] Differential. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..21.5
Front axle system ....................................................................... 25
[25.100] Powered front axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25.1
[25.108] Final drive hub, steering knuckles, and shafts . . . . . . . . . 25.2
[25.310] Final drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25.3
Rear axle system........................................................................ 27
[27.100] Powered rear axle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27.1
[27.124] Final drive hub, steering knuckles, and shafts . . . . . . . . 27.2
[27.550] Non-powered rear axle. . . . . . . . . . . . . . . . . . . . . . . . . . . . 27.3
Hydrostatic drive......................................................................... 29
[29.100] Transmission and steering hydrostatic control . . . . . . . . .29.1
[29.202] Hydrostatic transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . 29.2
[29.218] Pump and motor components. . . . . . . . . . . . . . . . . . . . . . .29.3
[29.300] Rear hydrostatic transmission. . . . . . . . . . . . . . . . . . . . . . . 29.4
Power Take-Off (PTO) ................................................................. 31
[31.146] Front Power Take-Off (PTO) . . . . . . . . . . . . . . . . . . . . . . . . . 31.1
Brakes and controls .................................................................... 33
[33.110] Parking brake or parking lock . . . . . . . . . . . . . . . . . . . . . . . 33.1
[33.202] Hydraulic service brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.2
Hydraulic systems....................................................................... 35
[35.000] Hydraulic systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35.1
[35.102] Pump control valves. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35.2
[35.106] Variable displacement pump . . . . . . . . . . . . . . . . . . . . . . . .35.3
[35.220] Auxiliary hydraulic pump and lines . . . . . . . . . . . . . . . . . . .35.4
[35.300] Reservoir, cooler, and filters. . . . . . . . . . . . . . . . . . . . . . . . . 35.5
[35.350] Safety and main relief valves . . . . . . . . . . . . . . . . . . . . . . . .35.6
[35.359] Main control valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35.7
[35.410] Header or attachment height system . . . . . . . . . . . . . . . . 35.8
[35.415] Header or attachment tilting system . . . . . . . . . . . . . . . . .35.9
[35.440] Grain tank unload system . . . . . . . . . . . . . . . . . . . . . . . . . . 35.10
[35.518] Reel control system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35.11
[35.536] Crop processor system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.12
Steering..................................................................................... 41
[41.101] Steering control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41.1
[41.200] Hydraulic control components. . . . . . . . . . . . . . . . . . . . . 41.2
[41.216] Cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41.3
Wheels...................................................................................... 44
[44.511] Front wheels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44.1
[44.520] Rear wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44.2
Tracks and track suspension ......................................................48
[48.100] Tracks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48.1
[48.130] Track frame and driving wheels . . . . . . . . . . . . . . . . . . . . . 48.2
[48.134] Track tension units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48.3
[48.138] Track rollers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48.4
Cab climate control ..................................................................... 50
[50.100] Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50.1
[50.104] Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50.2
[50.200] Air conditioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50.3
Electrical systems ....................................................................... 55
[55.000] Electrical system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.1
[55.010] Fuel injection system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.2
[55.011] Fuel tank system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.3
[55.012] Engine cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.4
[55.013] Engine oil system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.5
[55.014] Engine intake and exhaust system. . . . . . . . . . . . . . . . . . .55.6
[55.015] Engine control system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.7
[55.019] Hydrostatic drive control system . . . . . . . . . . . . . . . . . . . 55.8
[55.021] Transmission pressure sensors . . . . . . . . . . . . . . . . . . . . . 55.9
[55.024] Transmission control system . . . . . . . . . . . . . . . . . . . . . . . 55.10
[55.030] Service brake electrical system . . . . . . . . . . . . . . . . . . . . . 55.11
[55.031] Parking brake electrical system . . . . . . . . . . . . . . . . . . . . . 55.12
[55.036] Hydraulic system control . . . . . . . . . . . . . . . . . . . . . . . . . . .55.13
[55.050] Heating, Ventilation, and Air-Conditioning (HVAC) control system. . .55.14
[55.051] Cab Heating, Ventilation, and Air-Conditioning (HVAC) controls. . . . 55.15
[55.100] Harnesses and connectors. . . . . . . . . . . . . . . . . . . . . . . . . . . 55.16
[55.201] Engine starting system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.17
[55.202] Cold start aid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.18
[55.301] Alternator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.19
[55.302] Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.20
[55.404] External lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.21
[55.405] External lighting switches and relays . . . . . . . . . . . . . . . . . . .55.22
[55.408] Warning indicators, alarms, and instruments . . . . . . . . . . . 55.23
[55.421] Feeding control system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.24
[55.423] Cleaning control system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.25
[55.426] Harvest material flow control system. . . . . . . . . . . . . . . . . . . .55.26
[55.511] Light harnesses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.27
[55.512] Cab controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.28
[55.518] Wiper and washer system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.29
[55.520] Cab harvesting controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.30
[55.610] Ground speed control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.31
[55.624] Residue handling control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.32
[55.628] Threshing electrical control . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.33
[55.633] Baler feeding control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.34
[55.640] Electronic modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.35
[55.661] Cab header controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.36
[55.662] Header height control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.37
[55.670] Header leveling control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.38
[55.780] Shaker shoe leveling system control. . . . . . . . . . . . . . . . . . . . . .55.39
[55.785] Precision farming system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.40
[55.830] Rotary screen drive and cleaning . . . . . . . . . . . . . . . . . . . . . . . . 55.41
[55.834] Sieve electric control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.42
[55.836] Rotary separator control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.43
[55.911] Global Positioning System (GPS) . . . . . . . . . . . . . . . . . . . . . . . . . 55.44
[55.DTC] FAULT CODES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.45
Attachments/Headers.................................................................. 58
[58.130] Attachment/Header frame. . . . . . . . . . . . . . . . . . . . . . . . . . .58.1
Product feeding .......................................................................... 60
[60.105] Floating roll, feed chain, and drive . . . . . . . . . . . . . . . . . . .60.1
[60.110] Feeder housing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60.2
[60.112] Stone trapping system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60.3
[60.150] Feeder drive system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60.4
[60.120] Header drive system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60.5
Threshing .................................................................................. 66
[66.000] Threshing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66.1
[66.110] Concave control system. . . . . . . . . . . . . . . . . . . . . . . . . . . .66.2
[66.260] Threshing mechanism drive system . . . . . . . . . . . . . . . . . 66.3
[66.331] Rotor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66.4
[66.360] Drum/Rotor housing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66.5
Separation ................................................................................. 72
[72.220] Discharge beater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72.1
[72.420] Rotary separator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72.2
Residue handling........................................................................ 73
[73.210] Straw chopper drive system. . . . . . . . . . . . . . . . . . . . . . . . .73.1
[73.215] Straw chopper electro-magnetic clutch support. . . . . . . 73.2
[73.230] Straw chopper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73.3
[73.335] Chaff spreader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73.4
Cleaning .................................................................................... 74
[74.000] Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74.1
[74.100] Self-leveling frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74.2
[74.101] Cleaning drive systems . . . . . . . . . . . . . . . . . . . . . . . . . . . .74.3
[74.110] Grain pan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74.4
[74.114] Upper shaker shoe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74.5
[74.118] Lower shaker shoe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74.6
[74.130] Fan housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74.7
[74.136] Fan drive system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74.8
[74.140] Tailings return system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74.9
Crop storage / Unloading ............................................................. 80
[80.101] Clean grain elevator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80.1
[80.150] Grain tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80.2
[80.175] Grain tank unload drive system . . . . . . . . . . . . . . . . . . . . . . .80.3
[80.180] Grain tank unload . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80.4
Platform, cab, bodywork, and decals ............................................. 90
[90.105] Machine shields and guards . . . . . . . . . . . . . . . . . . . . . . . . . . . .90.1
[90.118] Protections and footboards. . . . . . . . . . . . . . . . . . . . . . . . . . . . .90.2
[90.124] Pneumatically-adjusted operator seat. . . . . . . . . . . . . . . . . . . .90.3
[90.150] Cab. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90.4
[90.151] Cab interior. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90.5

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