International 1440, 1460, 1480 Combines - COMPLETE Service Manual


International 1440, 1460, 1480 Combines - COMPLETE Service Manual

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This is the complete 850+ page digital service manual for the IH 1440, 1460, and 1480 series combines.  Due to the huge popularity of the 1400 series this service manual is almost impossible to find anywhere other than here.

These service manuals were mostly only used for IH mechanics and its no wonder why.  With over 1000 pictures, tables, and diagrams this manual can tell you how to fix any problem you are having with your combine.



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Condensed Table of Contents: 

  • Engine and Fuel Tank
  • Separator Drive Units
  • Hydrostatic Drive
  • Brakes, Transmission, Differential, Final Drives, Guide Wheels and Tracks
  • Hydraulic System
  • Electro Hydraulic System
  • Cutting and Feeding
  • Threshing and Separating
  • Cleaning System
  • Elevators and Grain Tank
  • Operator's Cab and Electrical System

 

Complete Table of Contents:

Section 1 - Engine and Fuel Tank

  • Specifications
  • Tachometer Calibration
  • Engine
    • Removal
    • Installation
  • Fule Tank
    • Removal
  • Sending Unit
    • Removal and Installation

Section 2 - Separator Drive Units

Engine PTO Gear Box

  • System Relief Valve Test-1480 Combine
  • Combine PTO Alignment
  • Removal
  • Disassembly
  • Separator Drive Housing
  • PTO Bearing Housing
  • Reassembly
  • Installation

Separator Drive Jackshaft Without Straw Chopper

  • Removal
  • Disassembly
  • Inspection
  • Reassembly
  • Adjustment
  • Installation
  • Gage Aligning

Separator Drive Jackshaft With Straw Chopper

  • Removal
  • Disassembly
  • Inspection
  • Reassembly
  • Installation
  • Adjustment

Section 3A - Hydrostatic Drive (Eaton Hydrostatic Pumps and Motors)

Principles of Hydrostatics

How it works

Hydrostatic Drive Schematic

Troubleshooting

Specifications

Identification of Hydrostatic

  • Pumps and Motors

Service Procedures

  • Directional Control Valve
  • Charge Pomp, Check Valve and Relief Valve Replacement
  • Removal Of The Hydrostatic Pump
  • Front Seal Replacement
  • Pump Service
  • Installation Of The Hydrostatic Pump
  • Adjustment Of Propulsion Control
  • Removal Of The Hydrostatic Motor
  • Front Seal Replacement
  • Motor Valve Block
  • Fixed Motor 
  • Two Speed Hydrostatic Motor
  • Installation Of The Hydrostatic Motor (Fixed and Two Speed)

Test Procedures

  • Pump and/or Motor 
  • Directional Control Valve Servo Cylinder Circuit Pressure Checks
  • Valve Plate Lift Off
  • Two Speed Hydrostatic Motor

Installation of the Hydrostatic Drive Tubes

Purging the System

Oil Cooler

Foot-N-Inch Valve

Section 3B - Hydrostatic Drive (Sundstrand Hydrostatic Pumps and Motors)

Principles of Hydrostatics

How it works

Hydrostatic Drive Schematic

Troubleshooting

Specifications

Identification of Hydrostatic

  • Pumps and Motors

Service Procedures

  • Charge Pump Replacement, Check and Relief Valve
  • Directional Control Valve
  • Removal of the Hydrostatic Pump
  • Front Seal Replacment
  • Pump Service
  • Installation of the Hydrostatic Pump
  • Adjustment of Propulsion Control
  • Removal of the Hydrostatic Motor
  • Front Seal Replacement
  • Motor Valve Block
  • Motor Service
  • Installation of the Hydrostatic Motor

Test Procedures

  • Pump and/or motor
  • Directional Control Valve Servo Cylinder Circuit Pressure Checks
  • Valve Plate Lift Off

Installation of the Hydrostatic Drive Tubes

Purging the System

Oil Cooler

Foot-N-Inch Valve

Section 4A - Brakes, Transmission, Differential, Final Drives, Guide Wheels, and Tracks (1440 Combine)

General Description

Specifications - 1440 Combines

  • Specifications Torques - 1440 Combines

Ground Travel Speed Chart and Calibration Setting - 1440, 1460, 1480

Transmission Change Gears - 1440 Combines

  • General Information
  • Replacing Change Gears

Transmission - 1440 Combines

  • Removal
  • Dissassembly
  • Motor Adapter and Input Pinion Shaft Assembly
  • Shifting Assembly
  • Input, Intermediate and Main Shaft Assemblies
  • Differential Assembly (Disassembly)
  • Differential Pinion Shaft Assembly
  • Inspection and Repair
  • Reassembly
  • Differential Pinion Shaft Assembly
  • Differential Assembly (Reassembly)
  • Intermediate Shaft Assembly
  • Main Shaft Assembly
  • Input Shaft
  • Motor Adapater and Input Pinion Shaft Assembly
  • Change Gears
  • Shifter Shafts and Forks
  • Case Cover
  • Installation

Final Drive and Pinion Assembly - 1440 Combines

  • Replacing Final Drive Housing-To-Axle Studs

Brakes - 1440 Combines

  • Description
  • Master Brake Cylinder
  • Brake Equalizer Valve
  • Brake Cylinders
  • Servicing the Brake Disc
  • Bleeding the System
  • Brake Adjsustment
  • Master Cylinder
  • Brake Housing
  • Parking Brake

Guide Wheel Axle

  • Removal
  • Installation
  • Steering Knuckle Assembly

Power Guide Drive Wheels

  • General Information
  • Planetary Gear Assembly
  • Removal
    • Hydraulic Motor
    • Planetary Gear Case
    • Box Support Assembly
  • Installation
    • Box Support Assembly
    • Planetary Gear Case 
    • Hydraulic Motor
  • Planetary Gear Case Service
    • Dissasembly
    • Reassembly

Section 4A - Brakes, Transmission, Differential, Final Drives, Guide Wheels, and Tracks (1460 and 1480 Combines)

Specifications - 1460 and 1480 Combines

  • Special Torques - 1460 and 1480

Ground Travel Speed Chart and Calibration Setting - 1440, 1460, 1480

Transmission - 1460 and 1480 Combines

  • Removal
  • Disassembly
  • Shifting Assembly
  • Change Drive Shaft and Input Pinion Shaft Assemblies
  • Differential Assembly (Removal)
  • Differential Pinion Shaft
  • Inspection and Repair
  • Reassembly
  • Differential Pinion Shaft Assembly
  • Differential Assembly (Installation)
  • Brake Assembly
  • Change Drive Shaft Assembly
  • Shifter Shafts and Forks
  • Case Cover
  • Installation

Final Drive and Pinion Assembly - 1460 and 1480 Combines

Brakes - 1460 and 1480 Combines

  • Description
  • Master Brake Cylinder
  • Brake Equalizer Valve 
  • Brake Cylinders - 1460 S/N 32000 & Below -  - 1480 S/N 34000 & Below
  • Brake Cylinders - 1460 S/N 32001 & Above -  - 1480 S/N 34001 & Above
  • Servicing the Brake Disc
  • Bleeding the System
  • Brake Adjustment
  • Master Cylinder
  • Brake Housing
  • Parking Brake

Guide Wheel Axle

  • Removal Installation
  • Steering Knuckle Assembly

Tracks - 1460 and 1480 Combines

  • Specifications
  • Special Torques
  • General Information
  • Maintenance
  • Track Assembly

Power Guide Drive Wheels

  • General INformation
  • Planetary Gear Assembly
  • Removal
    • Hydraulic Motor
    • Planetary Gear Case
    • Box Support Assembly
  • Installation
    • Box Support Assembly
    • Planetary Gear Case
    • Hydraulic Motor
  • Planetary Gear Case Service
    • Disassembly
    • Reassembly

Section 5 - Hydraulic System (1440 S/N 20000 and Below; 1460 S/N 22000 and Below; 1480 S/N 24000 and Below.For Combines Serial Numbers 20001, 22001, 24001 and Above, refer to Section 5A.)

General Description

Hydrostatic Power Steering

  • Principles of Operation
  • Control Valve
  • Manual Pump 
  • Servicing of the Manual Pump
  • Steering Cylinder
  • Filling and Venting the System
  • Steering Performance Testing 
  • Troubleshooting
  • Steering Wheel Slip
  • Troubleshooting Chart

Header Lift

  • Testing System Pressure
  • Header Lift Control Valves
  • Header Lift Cylinders
  • Accumulator (Also Refer to Page 5-53)

Automatic Header Control

  • Operating Principles
  • Automatic Control Adjustments
  • Servicing the Automatic Header Control Valve
  • Accumulator and Third Header Lift Cylinder
  • Setting the Automatic Header Control
  • Troubleshooting the Automatic Header Control

Separator Drive Clutch Hydraulic System (1480 Combine)

Grain Tank Unloader Tube Swing and Reel Lift

  • Circuit Testing
  • Control Valve
  • Unloader Tube Swing Cylinder
  • Hydraulic Reel Lift Master and Slave Cylinders

Hydraulic Reel Drive or Windrow Pick - Up Drive

  • Flow Divider Control Valve
  • Reel Drive or Windrow Pickup Motor
  • Troubleshooting

Feeder Clutch and Separator Clutch Valve

Hydraulic Pumps

Reservoir

Flushing, Cleaning and Purging the Hydraulic System

Power Guide Wheel Hydraulic Components
  • Selector Valve
    • Removal
    • Disassembly
    • Reassembly
    • Installation
  • Forward Positraction Valve Assembly and Reverse Vlave Assembly
    • General Information
    • Reverse Valve Assembly
    • Forward Positraction Vlave Assembly
  • Motor Assembly
    • Removal
    • Dissassembly
    • Inspection and Repair
    • Reassembly
    • Installation
  • Steering Cylinder

Section 5A -  Electro-Hydraulic System (1440 S/N 20001 and Up 1460 S/N 22001 and Up 1480 S/N 24001 and Up.)

Hydrostatic Power Steering

  • General Description
  • Servicing of the Manual Pump -Ross Pumps
  • Servicing of the Manual Pump -Danfoss Pumps
  • Steering Cylinder
  • Troubleshooting

Electro-Hydraulic Control Valves

  • Specifications
  • General Descriptions
  • How it Works
  • Troubleshooting
  • Servicing the Stack Valve
  • Servicing the Separator Clutch Valve (1440 and 1460) or the Feeder Clutch Valve (Direct Acting Style)
  • Servicing the Separator Clutch Valve (1440 and 1460) or the Feeder Clutch Valve (Pilot Operated Style)

Automatic Header Control

  • General Information
  • Controls
  • Adjustments

Accumulator

  • General Information
  • Setting Precharge Pressure With Nitrogen Accumulator Kit
  • Setting Precharge Pressure Without Nitrogen Accumulator Kit
  • Accumulator Valve

Header Lift Cylinders

  • General Information
  • Servicing the Cylinders

Swing Cylinder

  • General Description
  • Servicing the Cylinder

Reel Lift Master and Slave Cylinders

  • Description and Operation
  • Servicing the Master Cylinder
  • Servicing the Slave Cylinder

Clutch Cylinders

  • Servicing the Cylinders

Separator Drive Clutch Hydraulic System (1480 Combine)

  • General
  • Troubleshooting
  • Accumulator
  • Servicing the Separator Clutch Valve

Hydraulic Reel Drive or Windrow Pick-Up Drive

  • General Information
  • Circuit Test
  • Servicing the Drive Pump - Ross
  • Servicing Reel Drive Control Valve -Combines with Cessena Drive Pump
  • Servicing the Drive Motor
  • Troubleshooting

Hydraulic Pump

  • Specifications
  • General Descrption
  • Servicing the Pump

Reservoir

Flushing, Cleaning and Purging the Hydraulic System

Power Guide Drive Wheel Hydraulic Components

  • Servicing the Selector Valve
  • Forward Positraction Valve and Reverse Valve Assembly
  • Motor Assembly
  • Steering Cylinder

 

Section 6 - Cutting and Feeding

Specifications

Feeder and Fan Jackshaft Drive Housing

  • Removal
  • Dissassembly
  • Inspection
  • Reassembly
  • Installation
  • Feeder Jackshaft Clutch

Section 7 - Threashing and Separating

Rotor Drive Gear Case and Torque Sensing Unit

  • Removal
  • Rotor Drive Torque Sensing Unit
  • Rotar Drive Gear Case
  • Installation

Rotor

  • Removal
  • Inspection and Repair
  • Installation

Rotor Front Bearing Replacement

Auger Bed Assembly

  • Augers
  • Drive Gears
  • Auger and Shaker Drive Shaft
  • Auger Bed Bottom

Discharge Beater

  • Removal
  • Installation

Straw Chopper

  • Removal
  • Installation

Combine Performance Check

Corn Loss Tables

Seed Loss Tables

Troubleshooting - Threshing and Separation Problems

Section 8 - Cleaning System

Cleaning Fan
  • Removal 
  • Installation
  • Adjustment

Variable Speed Fan Drive

  • Removal

Section 9 - Elevators and Grain Tank

Grain Tank Unloader Bertical Auger
  • Removal

Unloader Control Adjustment

Unloader Lower Gear Case Assembly

Unloader Upper Gear Case Assembly

Elelvator Drive Jackshaft

  • Removal
  • Installation
  • Slip Clutch

Grain Elevator and Distribution Auger (1480 Rice Combine)

  • Removal
  • Installation
  • Spring Loaded Tightener Adjustment

Tailings Delivery Drive

Section 10 - Operator's Cab and Electrical System

General Description

Servicing the Components

  • Pressurizer Filter
  • Pressurizer System
  • Heater
  • Windshield Wiper Motor

Air Conditioning System

  • Evaporator
  • Receiver - Dryer Assembly
  • Condenser
  • Compressor
  • Troubleshooting

Shaft Speed Monitoring System

  • Console
  • Troubleshooting
  • Monitor Wiring Diagram

Wiring Diagrams (1440 S/N 20000 and Below; 1460 S/N 22000 and Below; 1480 S/N 24000 and Below.)

  • Air Conditioning
  • Audible Alert and Amp. Light
  • Cab Assembly
  • Cigarette Lighter
  • Diode Module Check
  • Elevator and Shaker Warning
  • Engine Coolant and Oil Pressure
  • Ether Start
  • Flasher and Turning Signals
  • Fuel System
  • Gauge Cluster and Diode Module
  • Head, Tail and Night Lights
  • Ingnition, Charging and Cranking System
  • Parking Brake
  • Separator and Feeder Clutch
  • Variable Rotor Drive
  • Warning System
  • Two Speed Hydrostatic Motor (1460 and 1480 Combines Only).
  • Power Guide Drive Wheels

Harness Diagrams

  • Air Conditioning
  • Audible Alert and Amp. Light
  • Cigarette Lighter
  • Cranking Circuit
  • Elevator and Shaker Warning 
  • Engine Coolant and Oil Pressure
  • Ether Start
  • Flasher and Turning Signals
  • Fuel System
  • Gauge Cluster and Diode Module
  • Head, Tail, and Night Lights
  • Ignition and Charging System
  • Parking Brake
  • Separator and Feeder Clutch
  • Shaft SPeed Monitor
  • Two Speed Hydrostatic Motor (1460 and 1480 Combines Only)
  • Variable Fan Speed
  • Variable Rotor Drive
  • Warning System

Wiring and Harness Diagrams (Combines S/N 20001 and 22001 and Above)

  • Air Conditioning
  • Audible Alert and Amp. Light
  • Cigarette Lighter
  • Cranking Circuit
  • Elevator and Shaker Shaft Warning
  • Electro-Hydraulic Automatic Header Control
  • Electro-Hydraulic Header lIft
  • Electro-Hydraulic Reel Lift
  • Electro-Hydraulic Reel Speed
  • Electro-Hydraulic Unloader Swing
  • Engine Coolant and Oil Pressure
  • Ether Start
  • Flasher and Turn Signals
  • Fuel System
  • Gauge Cluster and Diode Module
  • Head, Tail, and Night Lights
  • Ignition and Charging System
  • Parking Brake
  • Separator and Feeder Clutch
  • Shaft Speed Monitor
  • Two Speed Hydrostatic Motor (1460 and 1480 Combines)
  • Variable Fan Speed
  • Variable Rotor Drive
  • Warning System
  • Power Guide Drive Wheels

Troubleshooting

  • Automatic Reel to Ground Speed Control
  • Automatic Feeder Cutoff
  • Automatic HEader Control
  • Dicky-John Grain Loss Monitor System
  • SED Grain Loss Monitor System

Electrical Specifications

  • Alternator
  • Battery
  • Cranking Motor
  • Cranking Motor Switch

Pages:
860
Model:
1440, 1460, 1480 (This manual covers all serial numbers)
Make:
International Harvester
Year:
1985
Manual Code:
GSS-1479B
Manual Type:
Service Manual, Technical Manual

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