New Holland TT60A & TT75A Service & Repair Manual

84154805 7/08 Replaces 87583295 © 2008 CNH America LLC Printed In U.S.A. TT60A, TT75A REPAIR MANUAL COMPLETE CONTENTS SECTION 00 - GENERAL 2 ............................................ SECTION 10 - ENGINE 3 .............................................. SECTION 18 - CLUTCHES 8 ........................................... SECTION 21 - TRANSMISSION SYSTEM 10 .............................. SECTION 25 - FRONT DRIVE AXLE 12 ................................... SECTION 27 - MECHANICAL REAR WHEEL DRIVE 14 .................... SECTION 31 - POWER TAKE-OFF 16 .................................... SECTION 33 - BRAKING SYSTEM 17 .................................... SECTION 35 - HYDRAULIC SYSTEMS 18 ................................ SECTION 41 - STEERING SYSTEMS 22 .................................. SECTION 44 - FRONT AXLE 24 ......................................... SECTION 55 - ELECTRICAL SYSTEM 25 ................................. SECTION 90 - BODYWORK 31 .......................................... The following pages are the collation of the contents pages from each section and chapter of the TT60A, TT75A Repair manual. Complete Repair part # 84154801. 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 TT60A, TT75A Tractors.

2 SECTION 00 -- GENERAL BOOK 1 - 84154802 Chapter1 -- General CONTENTS Section Description Page General Instructions 2 ............................................................ Important Notice 2 ............................................................ Shimming 2 .................................................................. Rotating Shaft Seals 2 ........................................................ O-Rings 3 ................................................................... Sealers 3 .................................................................... Bearings 3 ................................................................... Spring Pins 3 ................................................................ Precautionary Notice 4 ........................................................ Equipment Notice 4 ........................................................... Spare Parts Notice 4 .......................................................... General Notices 4 ............................................................ Health and Safety 5 .............................................................. Health and Safety Precautions 6 ................................................ General Workshop Tools and Equipment 11 ...................................... Legal Aspects 11 ............................................................. Lubricants and Greases 11 .................................................... Precautionary Statements 15 ..................................................... Safety 16 ...................................................................... The Tractor 16 .............................................................. Driving the Tractor 17 ....................................................... Operating the Tractor 18 ..................................................... Operating the PTO 19 ....................................................... Servicing the Tractor 19 ..................................................... Diesel Fuel 20 .............................................................. Ecology and the Environment 21 .................................................. Minimum Hardware Tightening Torques 22 ......................................... General Dimensions 24 .......................................................... Federal Emissions Warranty 30 ................................................... California Emission Control Warranty Statement 31 .................................. Universal Symbols 33 ........................................................... Safety Decals 34 ................................................................ Safety Decals 35 ............................................................ Instructional Decals 38 .......................................................

3 SECTION10 -- ENGINE BOOK 1 - 84154802 Chapter 1 -- Engine System CONTENTS Section Description Page Specifications 5 .................................................................. Engine Bolt Torque Specifications 13 .............................................. Metric Bolt Torque Specifications 14 ............................................... Special Tools 15 ................................................................ Troubleshooting 16 .............................................................. Description and Operation -- Engine Components 20 ................................. Cylinder Head Assembly 20 ................................................... Camshaft Assembly 20 ....................................................... Cylinder Block Assembly 20 ................................................... Crankshaft Assembly 20 ...................................................... Connecting Rods 20 ......................................................... Pistons 20 .................................................................. Manifolds 20 ................................................................ Timing Gears 21 ............................................................. Lubrication System 22 ........................................................ Cooling System 23 ........................................................... Fuel System 24 ............................................................. Fuel Shut Off (Injection Pump) 24 .......................................... Lift Pump 24 ............................................................. Fuel Filters 24 ........................................................... Engine Preparation 25 ........................................................... Engine Removal -- Installation 26 .................................................. Separating Engine from Transmission Housing 26 ................................ Separating Front Axle from Engine 36 .......................................... Engine Installation 38 ........................................................ Engine Compression Test 39 ..................................................... Test Procedure 39 ........................................................ Test Readings 39 ........................................................ Test Conclusion 39 ....................................................... Rebuild Instructions 39 .................................................... Overhaul 40 ....................................................................

4 SECTION10 -- ENGINE BOOK 1 - 84154802 Chapter 1 -- Engine System (Continued) CONTENTS Section Description Page Cylinder Head 40 ............................................................ Removal 40 ............................................................. Disassembly 45 .......................................................... Repair and Inspection 46 .................................................. Injector Sleeves 47 ....................................................... Valve Settings 49 ......................................................... Valves 49 ............................................................... Valve Guides 50 ......................................................... Valve Springs 51 ......................................................... Tappets and Pushrods 51 ................................................. Rocker Shaft 52 .......................................................... Assembly 52 ............................................................ Installation 53 ............................................................ Front Engine Cover 54 ....................................................... Removal 54 ............................................................. Timing Gear 56 .............................................................. Removal 56 ............................................................. Idler Gear 57 ................................................................ Removal 57 ............................................................. Fuel Pump Drive Gear 57 ..................................................... Removal 57 ............................................................. Fuel Injection Pump Drive Gear 59 ............................................. Removal 59 ............................................................. Camshaft Drive Gear 59 ...................................................... Removal 59 ............................................................. Hydraulic and Power Steering Pump Drive Gear 60 .............................. Removal 60 ............................................................. Inspection and Repair 60 .................................................. Camshaft 60 ................................................................ Inspection and Repair 60 .................................................. Camshaft Drive Gear 61 ...................................................... Inspection and Repair 61 ..................................................

5 SECTION10 -- ENGINE BOOK 1 - 84154802 Chapter 1 -- Engine System (Continued) CONTENTS Section Description Page Camshaft Bearings 62 ........................................................ Replacement 62 ......................................................... Idler Gear Bushing 63 ........................................................ Inspection and Repair 63 .................................................. Camshaft, Fuel Pump Drive Gear, Hydraulic and Power Steering Drive Gears 63 ..... Installation 63 ............................................................ Front Oil Seal 64 ............................................................ Removal -- Installation 64 .................................................. ValveTiming -- TT60A/TT75A 65 ............................................... Adjustment 65 ........................................................... Oil Pan 66 .................................................................. Removal 66 ............................................................. Inspection and Repair 66 .................................................. Installation 66 ............................................................ Dynamic Balancer (TT75A Model only) 67 ...................................... Removal 67 ............................................................. Disassembly 68 .......................................................... Inspection and Installation 68 .............................................. Connecting Rods, Bearings, Pistons and Rings 69 ............................... Removal 69 ............................................................. Inspection and Repair 70 .................................................. Connecting Rod Alignment 71 ................................................. Cylinder Block 73 ............................................................ Inspection and Repair 73 .................................................. Flywheel 75 ................................................................. Removal 75 ............................................................. Inspection and Repair 76 .................................................. Installation 76 ............................................................ Main Bearing and Crankshaft 77 ............................................... Removal 77 ............................................................. Inspection and Repair 80 .................................................. Installation 82 ............................................................

6 SECTION10 -- ENGINE BOOK 1 - 84154802 Chapter 1 -- Engine System (Continued) CONTENTS Section Description Page Fuel System 86 ................................................................. Air Cleaner 86 .............................................................. Service the Engine Air Cleaner Outer Element 86 ............................. Method A 87 ............................................................. Method B 88 ............................................................. Fuel Injection Pump 89 ....................................................... Removal 89 ............................................................. Inspection 89 ............................................................ Installation 89 ............................................................ Checking the Fuel Injection Pump Timing with Pump on the Tractor 90 ........... Lock-Time the Fuel Injection Pump with Pump Removed from the Tractor 94 ..... Fuel System Air Bleeding 99 .................................................. Injector 100 ................................................................. Removal 100 ............................................................ Testing and Overhaul 100 ................................................. Fuel Pump 102 .............................................................. Removal 102 ............................................................ Disassembly 102 ......................................................... Inspection 104 ........................................................... Assembly and Installation 104 .............................................. Lubrication System 105 .......................................................... OIl Pump 105 ............................................................... Removal 105 ............................................................ Disassembly 106 ......................................................... Inspection and Repair 107 ................................................. Assembly 108 ........................................................... Oil Filter 108 ................................................................ Oil Pressure Warning System 108 .............................................. Engine Oil Consumption Diagnosing Procedure 109 .............................. Oil Consumption Test Procedure 109 ........................................ Compression Test 110 ........................................................ Test Readings 110 .......................................................

7 SECTION10 -- ENGINE BOOK 1 - 84154802 Chapter 1 -- Engine System (Continued) CONTENTS Section Description Page Test Conclusion 110 ...................................................... Rework Instructions 110 ................................................... Oil Consumption Test Form 111 .................................................... Cooling System 115 ............................................................. Radiator 115 ................................................................ Removal 115 ............................................................ Repair and Inspection 117 ................................................. Installation 117 ........................................................... Thermostat 118 ............................................................. Removal 118 ............................................................ Testing 118 .............................................................. Installation 118 ........................................................... Water Pump 119 ............................................................ Removal 119 ............................................................ Disassembly 119 ......................................................... Assembly 120 ........................................................... Installation 120 ........................................................... Water Temperature Gauge 120 ................................................ Belt Tension Adjustment 120 ..................................................

8 SECTION 18 -- CLUTCHES BOOK 1 - 84154802 Chapter 1 -- Clutches CONTENTS Section Description page Specifications 3 .................................................................. Description 3 ................................................................ Tightening Torques 4 ............................................................. Special Tools 5 .................................................................. Sealants 5 ...................................................................... Sectional Views 6 ................................................................ Clutch Assembly 6 ............................................................ Clutch Plate 7 ................................................................ Longitudinal Section of 11″/11″ LUK Clutch 8 ..................................... Troubleshooting 9 ................................................................ Description and Operation 10 ..................................................... Operation 10 ................................................................ Overhaul 11 ..................................................................... Clutch Mechanical Release Control 11 ........................................... Clutch Pedal 11 .............................................................. Removal 11 .............................................................. Installation 13 ............................................................ PTO Clutch Lever 15 ......................................................... Removal 15 ............................................................. Installation 16 ............................................................ Cross Shafts 17 ............................................................ Removal 17 ............................................................. Assembly 19 ............................................................ Installation 19 ............................................................ Transmission/PTO Release Bearing Assembly 21 ................................ Disassembly 21 .......................................................... Assembly 22 ............................................................ Transmission Clutch Pedal Free-Travel and Adjustment 23 ........................ Adjusting PTO Clutch Linkage 24 ..............................................

9 SECTION 18 -- CLUTCHES BOOK 1 - 84154802 Chapter 1 -- Clutches (Continued) CONTENTS Section Description page Clutch Assembly 25 .......................................................... Removal 25 ............................................................. Installation 26 ............................................................ Disassembly 28 .......................................................... Release Fingers 30 .......................................................... Disassembly 30 .......................................................... Assembly 31 ............................................................ Inspection and Repair 33 .................................................. Installation 34 ............................................................ Release Lever Height Adjustment 37 ........................................... Important Points To Be Taken Into Account While Replacing Clutch 38 ...........

10 SECTION 21 -- TRANSMISSION SYSTEM BOOK 1 - 84154802 Chapter 1 -- Transmission System CONTENTS Section Description Page Specifications 3 .................................................................. Description 3 ................................................................ Tightening Torques 3 ............................................................. Troubleshooting 4 ................................................................ General Recommendations for Overhauling Operations 5 ............................. Precaution at Flange and Tool Ends 5 ........................................... Reassembling Methods 5 ...................................................... Recommendations Regarding Lubrication 5 ...................................... Shaft Seals 5 ................................................................ O-ring 5 ..................................................................... Adjusting Shims 5 ............................................................ Bearings 5 ................................................................... Sealing 5 .................................................................... Oil Drain 5 ................................................................... Cleaning 5 ................................................................... Inspections 5 ................................................................ Sealants 6 ...................................................................... Special Tools 6 .................................................................. Description and Operation 7 ....................................................... 8 + 2 Transmission 7 .......................................................... Overhaul 9 ...................................................................... Transmission Assembly 9 ...................................................... Removal 9 ............................................................... Installation 13 ............................................................ Transmission -- Internal Components 17 ........................................ Drive Shaft Removal 17 .................................................. Drive Shaft Installation 21 ................................................. End Play Specification 23 .................................................

New Holland TT60A & TT75A Service & Repair Manual

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