New Holland TN60A / TN70A / TN75A / TN85A / TN95A Service & Repair Manual

87393902 12/05 © 2005 CNH America LLC Printed In U.S.A. TN60A, TN70A, TN75A, TN85A, TN95A REPAIR MANUAL COMPLETE CONTENTS SECTION 00 - GENERAL 2 ............................................ SECTION 10 - ENGINE 2 .............................................. SECTION 18 - CLUTCH 9 .............................................. SECTION 21 - TRANSMISSIONS 11 ..................................... SECTION 23 - FWD TRANSFER BOX 14 ................................. SECTION 25 - FRONT AXLE MECHANICAL FWD 14 ...................... SECTION 27 - REAR MECHANICAL TRANSMISSION 15 ................... SECTION 31 - MECHANICAL POWER TAKE-OFF 15 ...................... SECTION 33 - BRAKING SYSTEM 16 .................................... SECTION 35 - HYDRAULIC SYSTEM 17 .................................. SECTION 41 - STEERING 19 ............................................ SECTION 44 - AXLES AND WHEELS 20 ................................. SECTION 55 - ELECTRICAL SYSTEM 21 ................................. SECTION 90 - PLATFORM, CAB, BODYWORK 26 ........................ The following pages are the collation of the contents pages from each section and chapter of the TNA Series Repair manual. Complete Repair part # 87393899. 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. Each book will be labeled as to which sections are in the overall Repair manual and which sections are in each book. The sections listed above are the sections utilized for the TNA Series Tractors.

2 SECTION 00 - GENERAL BOOK 1 - 87393900 Chapter 1 - General CONTENTS Section Description Page General Instructions 3 ............................................................ Health and Safety 5 .............................................................. Precautionary Statements 15 ..................................................... Safety 16 ...................................................................... Ecology and the Environment 19 .................................................. Minimum Hardware Tightening Torques 20 ......................................... Federal Emissions Warranty 22 ................................................... Lubricants and Fluids 25 ......................................................... SECTION10 -- ENGINE BOOK 1 - 87393900 Chapter 1 -- Engine (Three-Cylinder) CONTENTS Section Description Page Specifications 2 .................................................................. Special Tools 11 ................................................................. Tightening Torques 12 ........................................................... Sectional Views 14 .............................................................. Engine Troubleshooting 16 ....................................................... Overhaul 20 .................................................................... 10 001 10 Engine 20 .................................................................. Removal 20 ............................................................. Installation 21 ............................................................ 10 001 30 Compression Test 22 ..................................................... 10 001 54 Disassembly 23 .......................................................... Assembly 33 ............................................................

3 SECTION10 -- ENGINE BOOK 1 - 87393900 Chapter 1 -- Engine (Three-Cylinder) (Continued) CONTENTS Section Description Page Checks, Dimensions and Repairs 42 ........................................... Cylinder Block 42 ........................................................ Crankshaft 44 ........................................................... Main Bearings 46 ........................................................ Flywheel 47 ............................................................. Connecting Rods 48 ...................................................... Pistons 49 ............................................................... Valves 52 ............................................................... Tappets 52 .............................................................. Camshaft 53 ............................................................. Valve Timing 54 .......................................................... Cylinder Head 55 ........................................................ Valve Seats 56 ........................................................... 10 101 53 Valve Guides 57 ......................................................... 10 101 60 Injector Sleeves 60 ....................................................... 10 102 70 Crankshaft Front Oil Seal 62 ............................................... 10 106 12 Valve/Rocker Arm 64 ..................................................... 10 254 44 Exhaust Pipe 66 ............................................................. Removal 66 ............................................................. Installation 66 ............................................................

4 SECTION10 -- ENGINE BOOK 1 - 87393900 Chapter 2 -- Cooling System (Three-Cylinder) CONTENTS Section Description Page Specifications 2 .................................................................. Special Tools 3 .................................................................. Sectional Views 4 ................................................................ Description and Operation 5 ....................................................... Cooling System 5 ............................................................. Radiator 5 ................................................................ Thermometer 6 ........................................................... Thermostat 6 ............................................................. Thermostatic Switch 6 ..................................................... Overhaul 7 ...................................................................... 10 402 11 Coolant Pump 7 .............................................................. Removal 7 ............................................................... Installation 8 .............................................................. 10 402 28 Disassembly 9 ............................................................ Assembly 9 .............................................................. 10 414 10 Drive Belt Tension Adjustment 10 ........................................... 10 402 30 Cooling System Thermostat 11 ................................................. Removal 11 .............................................................. Installation 12 ............................................................ 10 406 10 Radiator 13 ................................................................. Removal 13 ............................................................. Installation 16 ............................................................

5 SECTION10 -- ENGINE BOOK 1 - 87393900 Chapter 3 -- Lubrication System (Three-Cylinder) CONTENTS Section Description Page Specifications 2 .................................................................. Special Tools 3 .................................................................. Sectional Views 4 ................................................................ Description and Operation 5 ....................................................... Oil Filter 5 ................................................................... Low Oil Indicator 5 ............................................................ Oil Pump 6 .................................................................. SECTION10 -- ENGINE BOOK 1 - 87393900 Chapter 4 -- Fuel System (Three-Cylinder) CONTENTS Section Description Page Specifications 2 .................................................................. Special Tools 4 .................................................................. Description and Operation 6 ....................................................... Fuel Injection Pump (Bosch) 6 .................................................. Turbocharged Models 6 .................................................... All Models 8 .............................................................. Overhaul 9 ...................................................................... 10 216 10 Fuel Tank 9 .................................................................. Removal 9 ............................................................... Installation 10 ............................................................ 10 218 30 Fuel Injectors 11 ............................................................. Removal 11 .............................................................. Installation 12 ............................................................ 10 246 14 Injection Pump 13 ........................................................... Removal 13 ............................................................. Lock Timing the Injection Pump On a Workbench (If Needed) 19 ................... Installation 24 ............................................................ Check Fuel Injection Pump Timing With Pump Installed On the Tractor 25 ..........

6 SECTION10 -- ENGINE BOOK 1 - 87393900 Chapter 5 -- Engine (Four-Cylinder) CONTENTS Section Description Page Specifications 2 .................................................................. Tightening Torques 9 ............................................................. Torque Settings with Angles 10 ................................................ Special Tools 11 ................................................................. Description and Operation 12 ..................................................... Sectional Views 12 .......................................................... Troubleshooting 17 .............................................................. Overhaul 21 .................................................................... 10 001 10 Engine 21 .................................................................. Removal 21 ............................................................. Installation 30 ............................................................ Compression Test 31 ..................................................... Disassembly 32 .......................................................... Assembly 43 ............................................................ Checks, Measurements and Repairs 66 ........................................ Cylinder Block 66 ........................................................ Crankshaft 69 ........................................................... Connecting Rods 71 ...................................................... Pistons 73 ............................................................... Camshaft and Valves 77 .................................................. Tappets 79 .............................................................. Camshaft 80 ............................................................. Cylinder Head 81 ........................................................ Crankshaft Front Seal 82 .................................................. Crankshaft Rear Seal 84 .................................................. Adjusting Valve/Rocker Arm Clearance 87 ...................................

7 SECTION10 -- ENGINE BOOK 1 - 87393900 Chapter 6 -- Cooling System (Four-Cylinder) CONTENTS Section Description Page Specifications 2 .................................................................. Description of Operation 3 ........................................................ Sectional Views 4 ............................................................ Overhaul 5 ...................................................................... 10 402 10 Coolant Pump 5 .............................................................. Removal 5 ............................................................... Installation 6 .............................................................. 10 402 30 Thermostart Valve 7 .......................................................... Removal 7 ............................................................... Installation 8 .............................................................. 10 406 10 Radiator 9 ................................................................... Removal 9 ............................................................... Installation 12 ............................................................ 10 414 10 Coolant Pump and Alternator Belts 13 .......................................... Tension Adjustment 13 .................................................... SECTION10 -- ENGINE BOOK 1 - 87393900 Chapter 7 -- Lubrication System (Four-Cylinder) CONTENTS Section Description Page Specifications 2 .................................................................. Lubrication System Components 4 ................................................. Low Oil Pressure Indicator 5 ................................................... Functional Checks 5 ....................................................... Oil Filter 5 ................................................................... Replacement 5 ...........................................................

8 SECTION10 -- ENGINE BOOK 1 - 87393900 Chapter 8 -- Fuel System (Four-Cylinder) CONTENTS Section Description Page Specifications 2 .................................................................. Special Tools 4 .................................................................. Description and Operation 6 ....................................................... Fuel Injection Pump (BOSCH) 6 ................................................ Turbocharged models 6 .................................................... All Models 8 .............................................................. Overhaul 10 .................................................................... 10 218 30 Fuel Injectors 10 ............................................................ Removal 10 ............................................................. Installation 11 ............................................................. 10 246 14 Bosch Injection Pump 13 ..................................................... Removal 13 ............................................................. Lock-Timing the Injection Pump 15 ............................................. Lock Timing the Fuel Injection Pump On a Workbench 17 ......................... Installation 19 ............................................................ Check Fuel Injection Pump Timing with Pump Installed on the Tractor 21 ............

9 SECTION18 -- CLUTCH BOOK 1 - 87393900 Chapter 1 -- Clutch (3-Cylinder Models) CONTENTS Section Description Page Specifications 2 .................................................................. Models With Mechanical Shuttle 2 .............................................. Models With Power Shuttle 2 ................................................... Tightening Torques 3 ............................................................. Special Tools 3 .................................................................. Sectional Views 4 ................................................................ LUK 11 in/11 in Dual Clutch Pack 4 ............................................. LUK 11 in Single Clutch 5 ...................................................... PTO Servo-Assist Control Valve 6 .............................................. Troubleshooting 7 ................................................................ Description and Operation 8 ....................................................... PTO Clutch Servo-Assist Control 8 .............................................. Engagement 8 ............................................................ Disengagement 9 ........................................................ Adjustment 9 ............................................................. Overhaul 10 .................................................................... Clutch 10 ................................................................... Removal 10 ............................................................. Disassembly 16 .......................................................... Assembly 22 ............................................................ Checks and Repair 23 .................................................... Flywheel 24 ............................................................. Installation 25 ............................................................ Clutch Adjustments 28 ....................................................... PTO Clutch Control Adjustments 29 ............................................

10 SECTION18 -- CLUTCH BOOK 1 - 87393900 Chapter 2 -- Clutch (4-Cylinder Models) CONTENTS Section Description Page Specifications 2 .................................................................. Models With Mechanical Shuttle 2 .............................................. Models With Power Shuttle 2 ................................................... Tightening Torques 3 ............................................................. Special Tools 3 .................................................................. Sectional Views 4 ................................................................ LUK 11 in/11 in Dual Clutch Pack 4 ............................................. LUK 11 in Single Clutch 5 ...................................................... PTO Servo-Assist Control Valve 6 .............................................. Troubleshooting 7 ................................................................ Description and Operation 8 ....................................................... PTO Clutch Servo-Assist Control 8 .............................................. Engagement 8 ............................................................ Disengagement 9 ........................................................ Adjustment 9 ............................................................. Overhaul 10 .................................................................... Clutch 10 ................................................................... Removal 10 ............................................................. Disassembly 17 .......................................................... Assembly 23 ............................................................ Checks and Repair 24 .................................................... Flywheel 25 ............................................................. Installation 26 ............................................................ Clutch Adjustments 29 ....................................................... PTO Clutch Control Adjustments 30 ............................................

New Holland TN60A / TN70A / TN75A / TN85A / TN95A Service & Repair Manual

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