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SECTION 10 - ENGINE SYSTEMS

BOOK 1 - 87053136

Chapter 1 - Engine Systems

CONTENTS

Section

Description

Page

Description and Operation -- General Information

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Identification Chart

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Cylinder Head and Valve Train Components

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Cylinder Block Assembly

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Overhaul -- Engine

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Engine Preparation

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Disassembly

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Fuel Injector and Glow Plug

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Removal

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Oil Pressure Switch

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Removal

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Temperature Sending Switch and Alternator

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Removal

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Fan, Water Pump, and External Oil Tube

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Removal

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Valve Cover

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Removal

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Rocker Shaft and Push Rod

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Removal

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Cylinder Head

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Removal

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Valve Tappet

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Removal

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Fuel Shut-off Solenoid

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Removal

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Engine Timing Gear Cover

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Removal

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Timing Gears and Camshaft

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Removal

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Oil Sump

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Removal

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Содержание TC21DA

Страница 1: ...ION 41 POWER STEERING SYSTEM 24 SECTION 44 WHEELS AND TIRES 26 SECTION 55 ELECTRICAL SYSTEM 26 SECTION 90 PLATFORM 32 The following pages are the collation of the contents pages from each section and chapter of the TC21DA and TC24DA Repair manual Complete Repair part 87053135 The sections used through out all New Holland product Repair manuals may not be used for each product Each Repair manual wi...

Страница 2: ...ing the Tractor 4 Operating the Tractor 5 Driving the Tractor 5 Operating the PTO 6 Diesel Fuel 6 Safety Frame ROPS 6 Safety Decals 7 Instruction Decals 9 Product Identification Plate 13 International Symbols 14 Specifications TC21DA TC24DA 15 General Dimensions TC21DA TC24DA 20 Minimum Hardware Tightening Torques 23 Lubricants 25 Adjustments 26 Find manuals at https best manuals com ...

Страница 3: ...embly 8 Fuel Injector and Glow Plug 10 Removal 10 Oil Pressure Switch 10 Removal 10 Temperature Sending Switch and Alternator 11 Removal 11 Fan Water Pump and External Oil Tube 11 Removal 11 Valve Cover 11 Removal 11 Rocker Shaft and Push Rod 12 Removal 12 Cylinder Head 12 Removal 12 Valve Tappet 12 Removal 12 Fuel Shut off Solenoid 13 Removal 13 Engine Timing Gear Cover 13 Removal 13 Timing Gears...

Страница 4: ...Seal 17 Removal 17 Crankshaft and Main Bearing 17 Removal 17 18 110 Cylinder Head 18 Disassembly 18 Inspection 18 Valve Seats 19 Inspection 19 Valves 20 Inspection 20 Valve Guides 22 Inspection 22 Valve Springs 22 Inspection 22 Rocker Arms 23 Inspection 23 Push Rods 23 Inspection 23 Cylinder Head 24 Assembly 24 Cylinder Block 24 Inspection 24 10 105 Pistons Piston Rings and Connecting Rods 25 Disa...

Страница 5: ...ecting Rod 30 Assembly 30 10 103 Crankshaft Main Bearings 31 Removal 31 Inspection 31 Crankshaft 32 Inspection 32 Crankshaft Journal Wear Limit and Bearing Usage 32 Crankshaft Front Main Bearing Bushing 33 Inspection 33 Replacement 33 Crankshaft Main Bearing 34 Assembly 34 Port Block 34 Removal 34 Installation 34 Timing Gear 35 Inspection 35 Camshaft 35 Disassembly 35 Inspection 36 Assembly 36 10 ...

Страница 6: ...ion 39 Piston and Connecting Rod 39 Installation 39 Oil Suction Pipe and Suction Strainer 40 Installation 40 Oil Sump 40 Installation 40 Camshaft and Camshaft Gear 40 Assembly 40 Idler Gear Oil Pump and Injection Timing 41 Installation 41 Timing Gear Cover 41 Installation 41 Crankshaft Pulley 41 Installation 41 Fuel Injection Pump 42 Installation 42 Power Steering Pump 42 Installation 42 Head Gask...

Страница 7: ...re Sending Switch 47 Installation 47 Exhaust Manifold Radiator and Air Cleaner 48 Installation 48 10 304 Description of Operation Engine Lubrication System 49 10 206 Engine Oil Filter 52 10 304 Oil Pump 52 Removal 52 Inspection 52 Installation and Adjustment 53 Engine Oil Pressure Check 54 Oil Pressure Relief Valve 54 Removal 54 Installation 54 10 400 Description of Operation Cooling System 55 Mai...

Страница 8: ... Pump and Thermostat 60 Removal 60 Inspection and Repair 62 Assembly 62 Installation 62 Troubleshooting 64 10 000 Specification 70 Cylinder Head 70 Cylinder Block 71 Piston 71 Piston Ring 72 Connecting Rod 72 Crankshaft 73 Cramshaft 74 Valves 75 Push Rods 76 Rocker Arms 76 Lubrication System 76 Cooling System 77 Torque Specifications 78 Special Tools 79 Compression Test and Tools 79 Find manuals a...

Страница 9: ... Original Pump and Drive Components 7 Install a New Pump or Drive Component 7 Spill timing Procedure 8 Bleeding the Fuel System 12 Full Screw High Idle Adjustment 12 10 230 Description of Operation Governor 13 Governor 15 Disassembly 15 Assembly 16 Adjustments 17 10 218 Description and Operation Injectors 18 Injector 19 Removal 19 Disassembly 20 Assembly and Adjustment 20 Troubleshooting General 2...

Страница 10: ...stallation 13 Assembly 15 Description and Overhaul Servicing Clutch Related Components 23 18 110 Clutch Pilot Bearing 9 x 3 Gear Transmission Only 23 Removal 23 Inspection 23 Installation 23 Clutch Release Bearing 24 Removal 25 Inspection 26 Assembly 26 Flywheel Dimensions 27 Clutch Cross Shaft Bushings 27 Removal 27 Assembly 27 Clutch Pedal Bushings 28 Removal 28 Assembly 28 Clutch Linkage Adjust...

Страница 11: ...ing and the Rear Transmission 9x3 Transmission 12 Removal 12 Transmission Shift Cover 16 Disassembly 18 Assembly 22 Input Shaft Idler Gear and Countershaft Gear 26 Removal 26 Main Shaft 27 Removal 27 Front Wheel Drive Shaft 28 Removal 28 Countershaft 29 Removal 29 Range and Rear PTO Shift Rail and Fork 30 Removal 30 Pinion Shaft 31 Removal 31 PTO Front Countershaft 32 Removal 32 Mid Mount PTO Idle...

Страница 12: ...O Countershaft 37 Assembly 37 Pinion Shaft 38 Installation 38 Shift Rail and Fork 39 Installation 39 Countershaft 40 Assembly 40 Front Wheel Drive Shaft 41 Assembly 41 Front Wheel Drive Shift Cover 41 Assembly 41 Main Shaft 42 Assembly 42 Input Shaft Idler Gear and Countershaft Gear 43 Assembly 43 Reconnecting the Tractor Between the Clutch Housing and the Rear Transmission 9 x 3 Transmission 44 I...

Страница 13: ...ntial 6 Disassembly 6 Differential 6 Inspection 6 Axle 6 Inspection 6 Differential 8 Assembly 8 Pinion 8 Assembly 8 Ring Gear to Pinion Backlash Check Using Original Components 10 Ring Gear to Pinion Backlash Check Using New Components 11 Shim Calculation Alternate Method 12 Pinion To Ring Gear Tooth Contact Adjustment 13 Front Wheel Drive Front Axle 14 Installation 14 Final Pinion and Wheel Shaft...

Страница 14: ... 2 27 110 Differential Lock 2 27 126 Rear Axle and Brakes 2 Overhaul 8 27 106 Differential 8 Removal 8 Drive Pinion 10 Removal 10 Differential 11 Disassembly 11 Inspection 11 Assembly 12 Rear Axle 16 Disassembly 16 Inspection 16 Assembly 16 27 110 Differential Lock 18 Disassembly 18 Assembly 19 Specifications 20 Ring Gear and Pinion Gear Pattern Specification and Adjustment 21 Special Tools 21 ...

Страница 15: ...ic Transmission 12 Transmission Preparation 12 Separation between the Clutch Housing and the Extension Housing the Extension Housing and Rear Transmission 13 29 202 Hydrostatic Unit 17 Removal 17 Precautions Before Disassembly 20 Motor and Port Block 20 Disassembly 20 Hydrostatic Motor 22 Disassembly 22 Hydrostatic Motor Shaft 24 Disassembly 24 Charge Pump 24 Disassembly 24 Swash Plate 25 Disassem...

Страница 16: ...mp and Port Block 36 Assembly 36 Motor and Port Block 38 Assembly 38 29 204 Check Valve 39 Disassembly 39 Inspection 39 Assembly 39 Installation of the Clutch Housing and the Extension Housing the Extension Housing and Rear Transmission 40 Pressure Tests 45 High Pressure Relief Valve 45 Charge Pump Pressure Relief Valve 46 Description and Operation Gearbox 48 29 300 Gearbox 48 Overhaul Gearbox 51 ...

Страница 17: ...WD Drive Shaft FWD Model only 57 Removal 57 Countershaft 59 Removal 59 Range and Rear PTO Shift Rail and Fork 60 Removal 60 Pinion Shaft 61 Removal 61 PTO Front Countershaft 62 Removal 62 Mid Mount PTO Idler Shaft 63 Removal 63 Inspection 63 Shift Rail and Fork 64 Installation 64 Mid Mount PTO Idler Shaft 65 Assembly 65 PTO Front Countershaft 66 Assembly 66 Pinion Shaft 67 Installation 67 Counters...

Страница 18: ...sion Housing the Extension Housing and Rear Transmission 72 Overhaul and Adjustments Control Linkage 77 29 200 Control Linkage 77 Initial Adjustments 78 Control Rod 78 Pedal Stop 78 HST Neutralizer 79 Removal 79 Disassembly 80 Inspection 81 Assembly 82 Installation 83 HST Neutral Adjustment 84 Linkage Damper 85 Removal 85 Pedal 86 Removal 86 Pedal Pivot Shaft 88 Removal 88 Damper Pivot Shaft Pedal...

Страница 19: ...Inspection 5 Assembly 5 HST Rear PTO Output Shaft 7 Removal 7 Inspection 7 Assembly 8 Description and Operation Mid Mount PTO 9 Mid Mount Power Take Off 9 Overhaul Mid Mount PTO 11 31 120 9 x 3 Optional Mid Mount PTO 12 Gearbox and Countershaft 12 Removal 12 Output Shaft 12 Removal 12 Inspection 13 Assembly 13 Gearbox and Countershaft 13 Assembly 13 Hydrostatic Transmission Standard Mid Mount PTO ...

Страница 20: ...Description Page Gearbox and Countershaft 16 Assembly 16 Specifications 17 Rear PTO 17 Mid Mount PTO 17 Metric Bolt Torque Specifications 18 SECTION 33 BRAKES BOOK 3 87053138 Chapter 1 Brakes CONTENTS Section Description Page Overhaul 2 33 120 Brakes and Final Pinion 2 Removal 2 Inspection 3 Assembly 3 Brake Adjustment 4 Specifications 5 ...

Страница 21: ...w 8 Neutral Position 8 35 210 Lifting Position 9 35 210 Lowering Position 10 Cylinder Head and Flow Control Valve 11 Overhaul Hydraulic System 12 35 110 Lift Cylinder 12 Removal 12 Disassembly 16 Inspection and Repair 17 Assembly 18 35 183 Cylinder Head Flow Control Valve 19 Disassembly 19 Inspection 19 Assembly 19 Control Valve 20 Disassembly 20 Inspection 22 Assembly 22 Lowering Valve 25 Adjustm...

Страница 22: ...pair 29 Assembly 29 Description and Operation Remote Valves 30 35 204 Remote Control Valves 30 Hydraulic Manifold Block Diverter Valve 30 Single Spool Remote Control System 32 Oil Flow 32 Neutral Position 32 Raising Position 33 Lowering Position 34 35 184 Front Double Spool Remote Valve 36 Double Spool Remote Control System 37 Oil Flow 37 Bucket and Lift Control Neutral Position 37 Bucket Cylinder...

Страница 23: ...ction 46 Assembly 46 Double Spool Remote Valve 47 Double Spool Remote Valve Front Remote Valve 48 Removal 48 Disassembly 49 Lift Spool 49 Bucket REGEN Spool 49 Inspection 49 Assembly 51 Lift Spool 51 Bucket REGEN Spool 51 Front Remote Valve Linkage 53 Removal 53 Installation 53 Troubleshooting 55 Pressure Testing 56 Main System Relief Valve 56 Specifications 57 Metric Bolt Torque Specifications 58...

Страница 24: ...Valve 4 Relief Valve 4 41 206 Power Steering Pump 5 Power Steering Cylinder 6 Power Steering Operation 7 Fluid Flow Neutral Position 7 Fluid Flow Left Turn 8 Fluid Flow Right Turn 9 Power Steering Manual Operation 10 Overhaul 11 Power Steering System 11 Removal 11 Steering Control Valve 15 Disassembly 15 Inspection 18 Assembly 18 41 216 Steering Cylinder 24 Removal 24 Disassembly 24 Inspection 25 ...

Страница 25: ...TENTS Section Description Page Power Steering System 30 Installation 30 Power Steering Tubes 34 Troubleshooting 35 Pressure Testing 37 Pump Steering Valve and Relief Valve 37 Test Results 37 Steering Cylinder 38 Test Results 38 Specifications 39 Special Tools 40 Metric Bolt Torque Specifications 42 ...

Страница 26: ...ast 4 Tire Inflation vs Permissible Load 5 Wheels and Tires Lug Bolt Torque 6 Front and Rear Wheel Hub Bolt Torque Sequence 6 SECTION 55 ELECTRICAL SYSTEM BOOK 4 87053139 Chapter 1 Electrical System CONTENTS Section Description Page 55 000 Component Location and Function Description and Operation 6 Wiring Harnesses 7 Ground Locations 10 Battery 11 Removal 12 Installation 12 Fuse Block 13 Main Fuse...

Страница 27: ...al Combination Switch 21 Removal 21 Testing 22 Installation 23 55 408 9 x 3 Transmission Main Speed Gears Safety Switch 24 Adjustment 24 Testing 25 Transmission Range Gear Safety Switch HST Models Rear PTO Safety Switch and Mid PTO Safety Switch 26 Range Switch Adjustment HST Transmission 26 Testing 27 55 408 Seat Safety Switch 28 Removal 28 Testing 28 Installation 29 Parking Brake Switch 29 Testi...

Страница 28: ... Models 46 Testing 47 HST Speed Control Cruise Control Switch HST Models Only 47 Testing 48 Glow Plugs 49 Testing 49 55 414 Engine Sensors 50 55 404 Fuel Shutoff Solenoid 52 Testing 52 55 404 Lighting 53 Flasher Warning Light 54 Rear Work Light Optional 55 Electrical Wiring Diagram 56 Starting Circuit Operator Present HST Transmission 58 Starting Circuit Operator Present Gear Transmission 62 Start...

Страница 29: ...k Lights Circuit 102 Front Road Lights Circuit 106 Hazard Flasher Circuit 110 Left Turn Signal Circuit 114 Right Turn Signal Circuit 116 Engine Temperature Gauge Circuit 120 Engine Oil Pressure Indicator Light Circuit 124 Fuel Level Sender Circuit 128 Parking Brake Indicator Light Circuit 132 Rear PTO Indicator Light Circuit 136 Tachometer Circuit 140 Charging Circuit 144 Component Operation and S...

Страница 30: ...ter Motor 159 Removal 159 Disassembly 159 Inspection and Repair 163 Electrical Tests 167 Assembly 169 55 301 Description of Operation Charging System 170 Stator 171 Rotor 171 Rectifier 171 End Frame 172 IC Regulator 172 Improvement of Charging System 172 Detention Function 172 Function 173 Overhaul Charging System 174 Pulley 174 Removal 174 Rear End Cover 175 Removal 175 Brush Holder 175 Removal 1...

Страница 31: ...178 Removal 178 Component Inspection and Repair 178 Stator 178 Rotor 178 Rectifier 179 Diode 180 Testing 180 Brush Hold and Brushes 181 Bearings 181 Fan 181 Drive Pulley 182 Alternator Housing 182 Alternator 183 Assembly 183 Charging System 184 Performance Tests 184 IC Regulator 185 Inspection 185 Voltage Measurement on the Vehicle 187 Troubleshooting 188 Failure in Charging System 188 Preliminary...

Страница 32: ...el 3 Removal 3 Installation 3 Instrument Panel and Console 4 Removal 4 Installation 4 Rear Panels 6 Removal 6 Installation 6 Fuel Tank 7 Removal 7 Installation 8 Seat and Seat Suspension 11 Removal and Disassembly 11 Installation 13 Roll Over Protection System ROPS 15 Removal 15 Installation 15 Fenders 16 Removal 16 Installation 17 Side Steps 18 Removal 18 Installation 18 ...

Страница 33: ...s 3 Safety 4 The Tractor 4 Servicing the Tractor 4 Operating the Tractor 5 Driving the Tractor 5 Operating the PTO 6 Diesel Fuel 6 Safety Frame ROPS 6 Safety Decals 7 Instruction Decals 9 Product Identification Plate 13 International Symbols 14 Specifications TC21DA TC24DA 15 General Dimensions TC21DA TC24DA 20 Minimum Hardware Tightening Torques 23 Lubricants 25 Adjustments 26 ...

Страница 34: ... tion needed to properly service the New Holland TC21DA TC24DA tractor Use this manual in conjunction with the operator s manual for complete operation adjustment and maintenance informa tion On New Holland equipment left and right are determined by standing behind the unit looking in the direction of travel ...

Страница 35: ...avoided could result in death or serious injury The color associated with Warning is ORANGE CAUTION This word CAUTION indicates a potentially hazardous situation that if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices The color associated with Caution is YELLOW FAILURE TO FOLLOW THE DANGER WARNING AND CAUTION INSTRUCTIONS MAY RESULT IN SERIO...

Страница 36: ...nder pressure which is controlled by the radiator cap It is dangerous to remove the cap while the system is hot Always turn the cap slowly to the first stop and allow pressure to escape before removing the cap entirely 2 Keep any type of open flame away from the tractor and do not smoke while refueling Wait for the engine to cool before refueling 3 Keep the tractor and equipment particularly brake...

Страница 37: ... on a steep incline 7 Do not operate the tractor engine in an enclosed building without adequate ventilation Exhaust fumes can cause death or illness 8 If the power steering or engine ceases operating stop the tractor immediately 9 Pull only from the drawbar or the lower link drawbar in the down position Use only a drawbar pin that locks in place Pulling from the tractor rear axle or any point abo...

Страница 38: ...ank 5 Do not fill the fuel tank to capacity Allow room for expansion 6 Wipe up spilled fuel immediately 7 Always tighten the fuel tank cap securely 8 If the original fuel tank cap is lost replace it with a New Holland approved cap A non approved proprietary cap may not be safe 9 Keep equipment clean and properly maintained 10 Do not drive equipment near open fires 11 Never use fuel for cleaning pu...

Страница 39: ...original positions SAFETY DECALS WARNING Pull Only From Drawbar PART NO SBA390194661 LOCATION On Back of Toolbox WARNING Before Starting and Operating PART NO SBA390192273 LOCATION Front of L H Fender WARNING Start Engine Only from Operator s Seat PART NO SBA190196682 LOCATION On the Starting Motor WARNING Do Not Operate With Shield Removed PART NO SBA390198480 LOCATION Inside of Engine Side Shiel...

Страница 40: ... of Battery Support DANGER Explosive Acid Poison PART NO SBA390194390 LOCATION Top of Battery DANGER ROPS PART NO SBA390197530 LOCATION Overhead on ROPS WARNING Drawbar PART NO SBA390198391 LOCATION Top of PTO Shield WARNING Keep Hands and Clothing Away from Rotating Fan PART NO SBA390198470 LOCATION Each Side of Radiator ...

Страница 41: ...This as a preview PDF file from best manuals com Download full PDF manual at best manuals com ...

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