New Holland 70 Series Repair Manual
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New Holland 70 Series Repair Manual

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70 Series
70A Series
8701272
6/02
REPAIR
MANUAL

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Summary of Contents for New Holland 70 Series

  • Page 1 REPAIR MANUAL 70 Series 70A Series 8701272 6/02...

  • Page 2: Table Of Contents

    The following pages are the collation of the contents pages from each section and chapter of the 70/70A Series Repair manual. The sections used through out all New Holland product Repair manuals may not be used for each product. Each Repair manual will be made up of one or several books.

  • Page 3: Section 00 - General Information

    SECTION 00 - GENERAL INFORMATION BOOK 1 - 87018723 Chapter 1 - General Information CONTENTS Section Description Page 00 000 Forward ..............Precautionary Statements .
  • Page 4 SECTION 10 - - ENGINE BOOK 1 - 87018723 Chapter 1 - - Engine and Lubrication System (Continued) CONTENTS Section Description Page Engine Lubrication ............Troubleshooting .
  • Page 5 SECTION 10 - - ENGINE BOOK 1 - 87018723 Chapter 2 - - Cooling System CONTENTS Section Description Page 10 000 Specifications ..............Description of Operation .
  • Page 6 SECTION 10 - - ENGINE BOOK 1 - 87018723 Chapter 4 - - Fuel System CONTENTS Section Description Page 10 000 Specifications ..............Fuel System Torque Chart .
  • Page 7 SECTION 10 - - ENGINE BOOK 1 - 87018723 Chapter 4 - - Fuel System (Continued) CONTENTS Injector Leak-off Line ............Fuel Filter .

  • Page 8: Section 21 - Transmission

    SECTION 21 - - TRANSMISSION BOOK 1 - 87018723 Chapter 1 - - Operation and Overview CONTENTS Section Description Page 21 000 Specifications ..............Powershift Transmission .
  • Page 9 SECTION 21 - - TRANSMISSION BOOK 1 - 87018723 Chapter 2 - - Separating the Engine and Front Axle from the Transmission CONTENTS Section Description Page Specifications ............21 000 Special Tools .
  • Page 10 SECTION 21 - - TRANSMISSION BOOK 1 - 87018723 Chapter 4 - - Mechanical System CONTENTS Section Description Page 21 000 Specifications ..............Torque Specifications .
  • Page 11 SECTION 21 - - TRANSMISSION BOOK 1 - 87018723 Chapter 5 - - Hydraulic System CONTENTS Section Description Page 21 000 Specifications ..............Low-pressure Hydraulic System .
  • Page 12 SECTION 21 - - TRANSMISSION BOOK 1 - 87018723 Chapter 6 - - Electrical System CONTENTS Section Description Page 21 000 Specifications ..............Electrical System .

  • Page 13: Section 23 - Drive Lines

    ............70 Series FWD Electronic Control Operation .
  • Page 14 SECTION 25 - - FRONT MECHANICAL DRIVE BOOK 2 - 87018724 Chapter 1 - - Four-Wheel Drive Dana Axle (Continued) CONTENTS Section Description Page 25 104 FWD Tire vs Gear Ratios ..........Four Wheel Drive Lead Factor .
  • Page 15 SECTION 25 - FRONT MECHANICAL DRIVE BOOK 2 - 87018724 Chapter 3 - Four Wheel Drive Carraro Axle CONTENTS Section Description Page Specifications ..............Special Tools .

  • Page 16: Section 27 - Rear Drive Axle

    ......... . 70 Series Differential Lock Control System Operation .

  • Page 17: Section 31 - Power Take-Off

    SECTION 31 - - POWER TAKE-OFF BOOK 3 - 87018725 Chapter 1 - - Mechanical System CONTENTS Section Description Page 31 000 Specifications ..............Special Tools .

  • Page 18: Section 33 - Brakes And Controls

    SECTION 31 - - POWER TAKE-OFF BOOK 3 - 87018725 Chapter 2 - - Electro-hydraulic System (Continued) CONTENTS Section Description Page PTO will not Engage ............PTO will not Disengage .
  • Page 19 SECTION 33 - - BRAKES AND CONTROLS BOOK 3 - 87018725 Chapter 1 - - Power Brakes (Continued) CONTENTS Section Description Page Adjustments ..............Bleeding the Brakes .
  • Page 20 SECTION 33 - - BRAKES AND CONTROLS BOOK 3 - 87018725 Chapter 3 - - Trailer Air Brakes (Not Used in North America) CONTENTS Section Description Page 33 000 Specifications ..............Torque Specifications .

  • Page 21: Section 35 - Hydraulic Systems

    SECTION 33 - - BRAKES AND CONTROLS BOOK 3 - 87018725 Chapter 4 - - Trailer Air Brake Electrical System (Not Used in North America) CONTENTS Section Description Page 33 000 Description of Operation ............Trailer Brake light .
  • Page 22 SECTION 35 - - HYDRAULIC SYSTEMS BOOK 4 - 87018726 Chapter 2 - - Low-Pressure System CONTENTS Section Description Page 35 000 Specifications ..............Description of Operation .
  • Page 23 SECTION 35 - - HYDRAULIC SYSTEMS BOOK 4 - 87018726 Chapter 3 - - Tandem Gear Pump CONTENTS Section Description Page 35 000 Specifications ..............Special Tools .
  • Page 24 SECTION 35 - - HYDRAULIC SYSTEMS BOOK 4 - 87018726 Chapter 4 - - Axial Piston Pump (Continued) CONTENTS Section Description Page Swash Plate Removal ........... . . Input Shaft .
  • Page 25 SECTION 35 - - HYDRAULIC SYSTEMS BOOK 4 - 87018726 Chapter 6 - - 70 Series Remote Valves CONTENTS Section Description Page 35 000 Specifications ..............
  • Page 26 ..............Coupler Mounting Block and Coupler Repair (70 Series BSN D408953 ) .
  • Page 27 SECTION 35 - - HYDRAULIC SYSTEMS BOOK 4 - 87018726 Chapter 10 - - Three-Point Hitch CONTENTS Section Description Page 35 000 Specifications ..............Description of Operation .
  • Page 28 SECTION 35 - - HYDRAULIC SYSTEMS BOOK 4 - 87018726 Chapter 12 - - Hydraulic Brake System CONTENTS Section Description Page 35 000 Closed Center Load Sensing (CCLS) Hydraulic Brake System ......35 000 Operation of the European Trailer Brake System .
  • Page 29 SECTION 35 - - HYDRAULIC SYSTEMS BOOK 4 - 87018726 Chapter 13 - - Pressure and Flow Testing CONTENTS Section Description Page 35 000 Specifications ..............Special Tools .

  • Page 30: Section 41 - Steering

    SECTION 35 - - HYDRAULIC SYSTEMS BOOK 4 - 87018726 Chapter 14 - - EHR Calibration, Diagnostics and Hydraulic System Troubleshooting CONTENTS Section Description Page Set Currents ..............Setting the Flow Control Potentiometer .
  • Page 31 SECTION 44 - - TWO-WHEEL DRIVE AXLE AND WHEELS BOOK 5 - 87018727 Chapter 1 - - Two-wheel Drive Front Axle CONTENTS Section Description Page 44 000 Specifications ..............Special Tools .

  • Page 32: Section 44 - Two-Wheel Drive Axle And Wheels

    SECTION 44 - - TWO-WHEEL DRIVE AXLE AND WHEELS BOOK 5 - 87018727 Chapter 2 - - Four Wheel Drive (FWD) Front Axle Track Spacing CONTENTS Section Description Page 44 520 Specifications ..............Four Wheel Drive (FWD) Front Axle Track Spacing .

  • Page 33: Section 50 - Climate Control

    SECTION 44 - - TWO-WHEEL DRIVE AXLE AND WHEELS BOOK 5 - 87018727 Chapter 4 - - Rear Wheel Removal/Replacement CONTENTS Section Description Page 44 520 Specifications ..............Special Tools .

  • Page 34: Section 55 - Electrical Systems

    ........... 70 Series Indicator, Warning Lamps and Audible Alarm .
  • Page 35 SECTION 55 - - ELECTRICAL SYSTEMS BOOK 6 - 87018728 Chapter 1 - - Electronic Instrument Cluster (EIC) and System Overview (Continued) CONTENTS Section Description Page Headlight High Beam ............System Status .
  • Page 36 ............. . . 70 Series Electrical System Grounds .
  • Page 37 SECTION 55 - - ELECTRICAL SYSTEMS BOOK 7 - 87018729 Chapter 3 - - Starting System (Continued) CONTENTS Section Description Page Cleaning ..............Armature Servicing .
  • Page 38 ............70 Series Seven-pin Trailer Connector .
  • Page 39 SECTION 55 - - ELECTRICAL SYSTEMS BOOK 7 - 87018729 Chapter 5 - - LIGHTING, AUXILIARY POWER AND RADIOS (Continued) CONTENTS Section Description Page Replace Work Sealed Beam Units ..........Replace Roof Mounted Turn Signal Bulbs .
  • Page 40 SECTION 55 - - ELECTRICAL SYSTEMS BOOK 7 - 87018729 Chapter 7 - - Electro-Hydraulic Remote Valve Control System CONTENTS Section Description Page 55 301 System Description ............. Electrical Operation .

  • Page 41: Section 90 - Platform, Cab, And Bodywork

    SECTION 90 - - PLATFORM, CAB, AND BODYWORK BOOK 7 - 87018729 Chapter 1 - - Cab Components CONTENTS Section Description Page 90 000 Description ..............Disassembly and Assembly .
  • Page 42 SECTION 90 - - PLATFORM, CAB, AND BODYWORK BOOK 7 - 87018729 Chapter 3 - - Cab Removal CONTENTS Section Description Page 90 150 Specifications ..............Special Tools .
  • Page 44 SECTION 00 - - GENERAL INFORMATION - - CHAPTER 1 SECTION 00 - - GENERAL INFORMATION Chapter 1 - - General Information CONTENTS Section Description Page 00 000 Forward ..............Precautionary Statements .

  • Page 45: Forward

    All data and illustrations in this manual are subject to variations in build specification. This information was correct at the time of issue, but New Holland policy is one of continuous improvement, and the right to change specifica- tions, equipment, or design at any time, without notice, is reserved.

  • Page 46: Precautionary Statements

    SECTION 00 - - GENERAL INFORMATION - - CHAPTER 1 PRECAUTIONARY STATEMENTS PERSONAL SAFETY Throughout this manual and on machine decals, you will find precautionary statements (“CAUTION”, “WARNING”, and “DANGER”) followed by specific instructions. These precautions are intended for the personal safety of you and those working with you.

  • Page 47: Safety Precautions

    SECTION 00 - - GENERAL INFORMATION - - CHAPTER 1 SAFETY PRECAUTIONS Practically all service work involves the need to drive Hand Protection the tractor. The operator’s manual, supplied with It is advisable to use a protective cream before work each tractor, contains detailed safety precautions to prevent irritation and skin contamination.
  • Page 48 SECTION 00 - - GENERAL INFORMATION - - CHAPTER 1 Hand Tools Work cleanly, disposing of waste material into proper Many cuts, abrasions and injuries are caused by containers. defective tools. Never use the wrong tool for the job, Locate the fire extinguishers and find out how to as this generally leads either to some injury or to a operate them.
  • Page 49 SECTION 00 - - GENERAL INFORMATION - - CHAPTER 1 If it is found necessary to raise the tractor for ease of Use “position control” when equipment or imple- servicing or repair, make sure that safe and stable ments are required to be attached to the hydraulic supports are installed beneath axle housings, linkage either for testing purposes or for transporta- casings, etc., before starting work.

  • Page 50: Health And Safety Precautions

    SECTION 00 - - GENERAL INFORMATION - - CHAPTER 1 HEALTH AND SAFETY PRECAUTIONS Many of the procedures associated with vehicle Resin-Based Adhesive/Sealers (i.e., Epoxide maintenance and repair involve physical hazards or and Formaldehyde Resin Based) other risks to health. This section lists, alphabetically, Mixing should only be carried out in well- ventilated some of these hazardous operations, materials and areas as harmful or toxic volatile chemicals may be...
  • Page 51 SECTION 00 - - GENERAL INFORMATION - - CHAPTER 1 Vapors given off from coolant antifreeze (Glycol) CORROSION PROTECTION MATERIALS arise only when heated. (See Solvents, Fire) CAUTION Antifreeze may be absorbed through the skin in toxic or harmful quantities. Swallowed antifreeze is fatal if HIGHLY FLAMMABLE, COMBUSTIBLE.
  • Page 52 SECTION 00 - - GENERAL INFORMATION - - CHAPTER 1 Do not apply heat or flame to chemical materials, Ensure the cables of mobile electrical equipment except under the manufacturer’s instructions. Some cannot get trapped and damaged, such as in a are highly flammable, and some may release toxic or vehicle hoist.
  • Page 53 SECTION 00 - - GENERAL INFORMATION - - CHAPTER 1 FIRST AID Gasoline (Petrol) Apart from meeting any legal requirements, it is CAUTION desirable for someone in the workshop to be trained HIGHLY FLAMMABLE, COMBUSTIBLE. in first aid procedures. Swallowing can result in mouth and throat irritation; Splashes in the eye should be flushed with clean absorption from the stomach can result in water for at least ten minutes.
  • Page 54 SECTION 00 - - GENERAL INFORMATION - - CHAPTER 1 Diesel Fuel (Gas-Oil) (See Fuels -Kerosene) Wear a suitable breathing mask when using sandblasting equipment, working with asbestos CAUTION based materials, or using spraying equipment. COMBUSTIBLE GLUES (See Adhesive and Sealers) Gross or prolonged skin contact with high boiling gas oils may cause serious skin disorders, including skin HIGH-PRESSURE AIR, LUBRICATION AND...
  • Page 55 SECTION 00 - - GENERAL INFORMATION - - CHAPTER 1 NOISE INSULATION MATERIAL (See Solder spillage and filing should be collected and removed promptly to prevent general air contamina- Foams, Fiber Insulation) tion by lead. PAINTS (See Solvents and Chemical High standards of personal hygiene are necessary in Materials - General) order to avoid ingestion of lead or inhalation of solder...
  • Page 56 SECTION 00 - - GENERAL INFORMATION - - CHAPTER 1 SOUND INSULATION (See Fiber Insulation, applied coatings or contamination of the surfaces being worked on. These gases and fumes may be Foams) toxic; inhalation should always be avoided. The use SPOT WELDING (See Welding) of extraction ventilation to remove the fumes from the working area may be necessary, particularly in cases...
  • Page 57 Identification data is needed to aid in identifying the tractor if it is ever stolen. VEHICLE IDENTIFICATION PLATE The vehicle identification plate on the 70 Series, is located inside the right front lower side panel of the hood at 1.
  • Page 58 SECTION 00 - - GENERAL INFORMATION - - CHAPTER 1 *KEY TO PRODUCTION DATE CODES: The unit heading on the ID plate represents the production date of the tractor. Two types of production date codes are used. One style starts with a numeral (example 4A03B) while the second style starts with a letter (example A0314).
  • Page 59 SECTION 00 - - GENERAL INFORMATION - - CHAPTER 1 FOUR WHEEL DRIVE (FWD) FRONT AXLE IDENTIFICATION The serial number and axle type for the 70 Series is on the plate, 1, located on the front of the axle housing.
  • Page 60 Series, is located on a tag, 2, on the top front of the engine rocker cover. 70-340-33 FUEL INJECTION PUMP IDENTIFICATION NOTE: 70 Series art shown in Figure 9. The serial number and pump information are on the plate, 1, on the pump. NOTE: The plate location differs slightly for all the models.
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