Case IH DX21 Repair Manual
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Case IH DX21 Repair Manual

Case IH DX21 Repair Manual

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  • Page 2: Table Of Contents

    DX21 and DX24 Repair manual. Complete Repair part # 87055743. The sections used through out all Case IH product Repair manuals may not be used for each product. Each Repair manual will be made up of one or several books. Each book will be labeled as to which sections are in the overall Repair manual and which sections are in each book.

  • Page 3: Section 00 - General Information

    SECTION 00 - GENERAL INFORMATION BOOK 1 - 87055744 Chapter 1 - General Information CONTENTS Section Description Page Introduction ..............Precautionary Statements .

  • Page 4: Section 10 - Engine Systems

    SECTION 10 - ENGINE SYSTEMS BOOK 1 - 87055744 Chapter 1 - Engine Systems CONTENTS Section Description Page Description and Operation -- General Information ........Identification Chart .
  • Page 5 SECTION 10 - ENGINE SYSTEMS BOOK 1 - 87055744 Chapter 1 - Engine Systems (Continued) CONTENTS Section Description Page Oil Suction Pipe and Strainer ..........Removal .
  • Page 6 SECTION 10 - ENGINE SYSTEMS BOOK 1 - 87055744 Chapter 1 - Engine Systems (Continued) CONTENTS Section Description Page Piston ..............Inspection .
  • Page 7 SECTION 10 - ENGINE SYSTEMS BOOK 1 - 87055744 Chapter 1 - Engine Systems (Continued) CONTENTS Section Description Page Timing Gear Housing ............Front Oil Seal and Steering Pump Seal .
  • Page 8 SECTION 10 - ENGINE SYSTEMS BOOK 1 - 87055744 Chapter 1 - Engine Systems (Continued) CONTENTS Section Description Page Valve Cover ............. . Installation .
  • Page 9 SECTION 10 - ENGINE SYSTEMS BOOK 1 - 87055744 Chapter 1 - Engine Systems (Continued) CONTENTS Section Description Page Overhaul -- Cooling System ........... . 10 406 Radiator .
  • Page 10 SECTION 10 - ENGINE SYSTEMS BOOK 1 - 87055744 Chapter 2 - Fuel System CONTENTS Section Description Page 10 242 Description of Operation -- Injection Pump ......... 10 236 Pumping Elements .

  • Page 11: Section 18 - Single Clutch

    SECTION 18 - SINGLE CLUTCH BOOK 1 - 87055744 Chapter 1 - Single Clutch CONTENTS Section Description Page Description of Operation -- General Information ........Single Clutch .

  • Page 12: Section 21 - Transmission Systems

    SECTION 21 - TRANSMISSION SYSTEMS BOOK 2 - 87055745 Chapter 1 - Transmission Systems CONTENTS Section Description Page Introduction ..............Description of Operation -- 9 x 3 Gear Transmission .
  • Page 13 SECTION 21 - TRANSMISSION SYSTEMS BOOK 2 - 87055745 Chapter 1 - Transmission Systems (Continued) CONTENTS Section Description Page Mid-Mount PTO Idler Shaft ..........Assembly .

  • Page 14: Section 25 - Front Axle - - Front Wheel Drive

    SECTION 25 - FRONT AXLE - - FRONT WHEEL DRIVE BOOK 2 - 87055745 Chapter 1 - Front Axle - - Front Wheel Drive CONTENTS Section Description Page 25 100 Description of Operation -- Front Axle - Front Wheel Drive .

  • Page 15: Section 27 - Differential And Rear Axle

    SECTION 27 - DIFFERENTIAL AND REAR AXLE BOOK 2 - 87055745 Chapter 1 - Differential and Rear Axle CONTENTS Section Description Page Description of Operation -- General Information ........27 106 Differential .

  • Page 16: Section 29 - Hydrostatic Transmission

    SECTION 29 - HYDROSTATIC TRANSMISSION BOOK 2 - 87055745 Chapter 1 - Hydrostatic Transmission CONTENTS Section Description Page 29 202 Description of Operation -- Hydrostatic Transmission ....... . 29 212 Variable Displacement Pump .
  • Page 17 SECTION 29 - HYDROSTATIC TRANSMISSION BOOK 2 - 87055745 Chapter 1 - Hydrostatic Transmission (Continued) CONTENTS Section Description Page Neutral and Feed Valves ........... Disassembly .
  • Page 18 SECTION 29 - HYDROSTATIC TRANSMISSION BOOK 2 - 87055745 Chapter 1 - Hydrostatic Transmission (Continued) CONTENTS Section Description Page Transmission Drive Shaft and PTO Input Shaft ....... . Removal .
  • Page 19 SECTION 29 - HYDROSTATIC TRANSMISSION BOOK 2 - 87055745 Chapter 1 - Hydrostatic Transmission (Continued) CONTENTS Section Description Page Main Shaft ............. . . Assembly .

  • Page 20: Section 31 - Power Take-Off Systems

    SECTION 31 - POWER TAKE-OFF SYSTEMS BOOK 3 - 87055746 Chapter 1 - Power Take-Off Systems CONTENTS Section Description Page Description of Operation -- PTO System ......... . . 31 110 9 x 3 Gear Transmission .

  • Page 21: Section 33 - Brakes

    SECTION 31 - POWER TAKE-OFF SYSTEMS BOOK 3 - 87055746 Chapter 1 - Power Take-Off Systems (Continued) CONTENTS Section Description Page Gearbox and Countershaft ..........Assembly .

  • Page 22: Section 35 - Hydraulic System

    SECTION 35 - HYDRAULIC SYSTEM BOOK 3 - 87055746 Chapter 1 - Hydraulic System CONTENTS Section Description Page Description of Operation -- Hydraulic System ........35 000 Hydraulic System Circuits .
  • Page 23 SECTION 35 - HYDRAULIC SYSTEM BOOK 3 - 87055746 Chapter 1 - Hydraulic System (Continued) CONTENTS Section Description Page Adjustments ..............35 124 Linkage .
  • Page 24 SECTION 35 - HYDRAULIC SYSTEM BOOK 3 - 87055746 Chapter 1 - Hydraulic System (Continued) CONTENTS Section Description Page Overhaul -- Remote Valves ........... . Single Spool Valve (Rear Remote Valve) .

  • Page 25: Section 41 - Power Steering System

    SECTION 41 - POWER STEERING SYSTEM BOOK 3 - 87055746 Chapter 1 - Power Steering System CONTENTS Section Description Page Description of Operation ............41 204 Power Steering System .
  • Page 26 SECTION 41 - POWER STEERING SYSTEM BOOK 3 - 87055746 Chapter 1 - Power Steering System (Continued) CONTENTS Section Description Page Power Steering System ........... . Installation .

  • Page 27: Section 44 - Wheels And Tires

    SECTION 44 - WHEELS AND TIRES BOOK 3 - 87055746 Chapter 1 - Wheels and Tires CONTENTS Section Description Page Specifications ..............Wheels and Tires -- Tread Setting .
  • Page 28 SECTION 55 - ELECTRICAL SYSTEM BOOK 4 - 87055747 Chapter 1 - Electrical System (Continued) CONTENTS Section Description Page Electrical System Components -- Description and Testing ......Key Start Switch .
  • Page 29 SECTION 55 - ELECTRICAL SYSTEM BOOK 4 - 87055747 Chapter 1 - Electrical System (Continued) CONTENTS Section Description Page Safety Controller ............Glow Plug Indicator Light .
  • Page 30 SECTION 55 - ELECTRICAL SYSTEM BOOK 4 - 87055747 Chapter 1 - Electrical System (Continued) CONTENTS Section Description Page Safe Operation Circuit (Operator Not Present) Gear Transmission PTO(s) Not Engaged ............. Safe Operation Circuit (Operator Not Present) HST Transmission Rear PTO Engaged .
  • Page 31 SECTION 55 - ELECTRICAL SYSTEM BOOK 4 - 87055747 Chapter 1 - Electrical System (Continued) CONTENTS Section Description Page Instrument Panel Indicator and Illumination Lights ......Bulb Replacement .
  • Page 32 SECTION 55 - ELECTRICAL SYSTEM BOOK 4 - 87055747 Chapter 1 - Electrical System (Continued) CONTENTS Section Description Page Rear End Frame ............Removal .

  • Page 33: Section 90 - Platform

    SECTION 90 - PLATFORM BOOK 4 - 87055747 Chapter 1 - Platform CONTENTS Section Description Page Description of Operation -- Platform ..........Hood .
  • Page 34 SECTION 00 - - GENERAL INFORMATION - - CHAPTER 1 SECTION 00 - GENERAL INFORMATION Chapter 1 - General Information CONTENTS Section Description Page Introduction ..............Precautionary Statements .
  • Page 35 This repair manual provides the technical informa- On Case IH equipment, left and right are determined tion needed to properly service the Case IH DX21, by standing behind the unit, looking in the direction DX24 tractor. Use this manual in conjunction with the of travel.
  • Page 36 SECTION 00 - - GENERAL INFORMATION - - CHAPTER 1 PRECAUTIONARY STATEMENTS PERSONAL SAFETY Throughout this manual and on machine decals, you will find precautionary statements (“DANGER”, “WARNING”, and “CAUTION”) followed by specific instructions. These precautions are intended for the personal safety of you and those working with you.
  • Page 37 See the list of decals in the Decal alter this tractor or any of its components or section of this manual. functions without first consulting a Case IH Dealer. SERVICING THE TRACTOR 8. The fuel oil in the injection system is under high 1.
  • Page 38 3. Do not bypass the neutral start switches. Consult your Case IH Dealer if your neutral start controls 4. Do not coast or free wheel down hills. Use the malfunction. Use jumper cables only in the same gear when going downhill as is used when recommended manner.
  • Page 39 4. To avoid injury, do not clean, adjust, unclog, or SAFETY FRAME (ROPS) service PTO driven equipment when the tractor Your Case IH tractor is equipped with a safety frame. engine is running. It must be maintained in a serviceable condition. Be 5.
  • Page 40 SECTION 00 - - GENERAL INFORMATION - - CHAPTER 1 SAFETY DECALS If safety or instruction decals become damaged or illegible, new decals should be obtained from your Case IH Dealer and placed at their original positions. SAFETY DECALS WARNING:...
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