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New Holland 8670 User Manual

New Holland 8670
61 pages
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REPAIR
MANUAL
8701272 6/02
70 Series
70A Series
New Holland North America, Inc., New Holland, PA
Printed in U.S.A.
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New Holland 8670 Specifications

General IconGeneral
FuelDiesel
Cylinders6
Rated RPM2200
Displacement6.7 L (408.5 cu in)
TransmissionFull power shift
Weight14, 330 lbs (6, 500 kg)
Horsepower170 hp
PTO HP145 hp
Engine Power170 hp
Engine Typediesel
PTO Power145 hp
Wheelbase118 inches
Width98.4 inches 249 cm

Summary

SECTION 00 - GENERAL INFORMATION

PRECAUTIONARY STATEMENTS

Explains the meaning of CAUTION, WARNING, and DANGER symbols for personal and machine safety.

SAFETY PRECAUTIONS

Lists personal and equipment safety considerations for maintenance and repair work.

HEALTH AND SAFETY PRECAUTIONS

Lists hazards associated with materials like acids, adhesives, sealers, and antifreeze.

ELECTRIC SHOCK

Details risks of electric shock from faulty equipment and necessary precautions.

SOLVENTS

Details hazards of solvents like acetone and white spirit, focusing on skin contact, inhalation, and flammability.

WELDING

Covers safety precautions for various welding processes, including arc, gas, and resistance welding.

SECTION 10 - ENGINE

SECTION 21 - TRANSMISSION

SECTION 25 - FRONT MECHANICAL DRIVE

SECTION 27 - REAR DRIVE AXLE

SECTION 31 - POWER TAKE-OFF

SECTION 33 - BRAKES AND CONTROLS

Chapter 1 - Power Brakes

Covers the power brake system, including boosters, master cylinders, and troubleshooting.

Chapter 1 - Power Brakes (Continued)

Continues power brake coverage, focusing on adjustments, bleeding, and overhaul.

Chapter 2 - Parking Brake

Details the parking brake system, including its operation, adjustments, and overhaul.

SECTION 35 - HYDRAULIC SYSTEMS

Chapter 1 - Introduction

Introduces the hydraulic systems, including different pump types and components.

Chapter 2 - Low-Pressure System

Covers the low-pressure hydraulic system, including pump drive, filters, and oil cooler.

Chapter 3 - Tandem Gear Pump

Details the tandem gear pump, including its operation, disassembly, and installation.

Chapter 4 - Axial Piston Pump

Covers the axial piston pump, including its disassembly and repair.

Chapter 4 - Axial Piston Pump (Continued)

Continues coverage of the axial piston pump, focusing on components like swash plates and compensator valves.

Chapter 5 - Flow Divider

Details the flow divider, including its operation, disassembly, and repair.

Chapter 6 – 70 Series Remote Valves

Covers the 70 Series remote hydraulic valves, including their logic and operation.

Chapter 7 - 70A Series Electro-Hydraulic Remote Valves

Details the 70A Series electro-hydraulic remote valves and their flow control.

Chapter 8 - Remote Valve Couplers

Covers the remote valve couplers and their repair procedures.

Chapter 9 - Remote Valve Removal and Repair

Provides instructions for removing and repairing remote valves and their sections.

Chapter 10 - Three-Point Hitch

Details the three-point hitch system, including components, adjustments, and troubleshooting.

Chapter 12 - Hydraulic Brake System

Details the hydraulic brake system, including valve operation and bleeding procedures.

Chapter 13 - Pressure and Flow Testing

Covers pressure and flow testing procedures for hydraulic systems.

Chapter 14 - EHR Calibration, Diagnostics and Hydraulic System Troubleshooting

Details EHR calibration, diagnostics, and troubleshooting for hydraulic systems.

Chapter 14 - EHR Calibration, Diagnostics and Hydraulic System Troubleshooting (Continued)

Continues EHR calibration and troubleshooting, covering set currents and lever deadband.

SECTION 41 - STEERING

Chapter 1 - Hydrostatic Steering

Covers hydrostatic steering systems, including components, adjustments, and troubleshooting.

SECTION 44 - TWO-WHEEL DRIVE AXLE AND WHEELS

SECTION 55 - ELECTRICAL SYSTEMS

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