New Holland Tractor TC18D TC21D Repair Manual 6045507100 – PDF DOWNLOAD

Description

New Holland Tractor TC18D TC21D Repair Manual

FILE DETAILS:

New Holland Tractor TC18D TC21D Repair Manual

Size: 27.4 MB
Format: PDF
Language: English
Number of Pages : 641 pages
Brand: New Holland
Type of document: Service Manual
Model: TC18D, TC21D
Part No: 6045507100

DESCRIPTION:

New Holland Tractor TC18D TC21D Repair Manual

GENERAL INFORMATION:

• This section describes the engine overhaul and repair procedures of the Models TC18D and TC21D tractors. Repair procedures are essentially the same for all models except as noted in the repair procedures.
• The tractors are equipped with three-cylinder in-line engines. They are all four cycle, overhead valve, liquid cooled engines. The engines are identified by a code cast into the lower right side of the cylinder block, just behind the hydraulic pump.
• The identification numbers of the engines used is shown in the following chart.The cylinder head incorporates the valve assemblies, rocker arms, rocker shaft, push rods, lifters, and pre-combustion chambers.
• The air intake manifold is incorporated into the left hand side of the valve cover assembly. The exhaustmanifold is bolted on the left-hand side of the cylinder head. The cylinder heads have integral valve guides.
• Standard size valves only are used. Figure 2 provides a cut-away front and side view of an engine. A pre-combustion chamber is located between the injector assembly and the combustion chamber of the cylinder and provides an area for initial ignition of the fuel for improved starting.
• A glow plug located in the head extends into the pre-combustion chamber and, when energized, pre-heats the fuel-air mixture for improved fuel ignition under cold weather conditions.
• The cylinder block assembly contains the pistons, connecting rods, crankshaft, timing gears, and engine oil pump. The engine crankshaft is supported by four main bearings. The front main bearing is a full circle bearing positioned in a bore in the front of the block.
• The second, third, and fourth main bearings are split liners located in holders bolted to the block. The camshaft is supported by two ball bearings one located on each end of the block. The engines utilize a straight connecting rod and a three ring piston.

NEW HOLLAND TRACTOR TC18D TC21D REPAIR MANUAL 6045507100 – PDF DOWNLOAD:

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

New Holland Tractor TC18D TC21D Repair Manual

General Information 1-2
Engine Overhaul 1-4
Disassembly, Inspection, and Assembly of Component Assemblies 1-14
Engine Re-assembly 1-36
Engine Lubrication System 1-47
Cooling System 1-53
Cooling System Overhaul 1-56
Troubleshooting 1-63
Specifications 1-69
Torque Specifications 1-77
Special Tools 1-78
Index 2-30
ENGINE SYSTEMS SECTION 10
Fuel System Chapter 2
Description Page
Injection Pump 2-2
Injection Pump Removal and Installation 2-8
Timing and Governor Adjustments 2-9
Injectors 2-21
Injector Repair and Adjustment 2-22
Troubleshooting – General 2-24
Troubleshooting – Fuel Injectors 2-27
Troubleshooting – Governor 2-28
Specifications 2-29
Index 2-31
SINGLE CLUTCH SECTION 18
Single Clutch Chapter 1
Description Page
General Information 1-2
Single Clutch Overhaul 1-4
Servicing Clutch Related Components 1-6
Troubleshooting 1-13
Specifications 1-14
Special Tools 1-15
Index 1-16
TRANSMISSION SYSTEMS SECTION 21
Gear Transmission Chapter 1
Description Page
Introduction 1-2
6 x 2 Gear Transmission Description and Operation 1-3
6 x 2 Gear Transmission Overhaul 1-9
9 x 3 Gear Transmission Description and Operation 1-34
9 x 3 Gear Transmission Overhaul 1-37
Specifications 1-64
Special Tools 2-66
Index 2-67
TRANSMISSION SYSTEMS SECTION 21
Hydrostatic Transmission Chapter 2
Description Page
Hydrostatic Transmission Description and Operation 2-2
Hydrostatic Transmission Overhaul 2-9
Hydrostatic Transmission Pressure Tests 2-32
Hydrostatic Transmission Gearbox Description and Operation 2-35
Hydrostatic Transmission Gearbox Overhaul 2-38
Hydrostatic Transmission Control Linkage 2-57
Troubleshooting 2-62
Specifications 2-63
Special Tools 2-66
Index 2-67
FRONT AXLE SECTION 25
Two–Wheel Drive Front Axle Chapter 1
Description Page
Front axle – Two-Wheel Drive 1-2
Front axle – Two-Wheel Drive – Overhaul 1-3
Troubleshooting – Front Axle 2-14
Specifications 2-15
Metric Bolt Torque Specifications 2-16
Index 2-17
FRONT AXLE SECTION 25
Front–Wheel Drive Front Axle Chapter 2
Description Page
Front Axle – Front Wheel Drive 2-2
Front Axle – Front Wheel Drive – Overhaul 2-3
Troubleshooting – Front Axle 2-14
Specifications 2-15
Metric Bolt Torque Specifications 2-16
Index 2-17
REAR AXLE SECTION 27
Differential, Rear Axle and Brakes Chapter 1
Description Page
General Information 1-2
Overhaul 1-7
Specifications 1-22
Index 1-24
POWER TAKE–OFF SYSTEMS SECTION 31
Standard Power Take–Off System Chapter 1
Description Page
Standard Power Take-Off 1-2
Standard Power Take-Off Overhaul 1-4
Specifications 2-10
Metric Bolt Torque Specifications 2-11
Index 2-12
POWER TAKE–OFF SYSTEMS SECTION 31
Mid–Mount Power Take–Off System Chapter 2
Description Page
Mid-Mount Power Take-Off 2-2
Mid-Mount Power Take-Off Overhaul 2-4
Specifications 2-10
Metric Bolt Torque Specifications 2-11
Index 2-12
HYDRAULIC SYSTEMS SECTION 35
Hydraulic System Chapter 1
Description Page
Hydraulic System Circuits 1-2
Hydraulic System Circuits Overhaul 1-10
Hydraulic System Circuits Adjustments 1-26
Hydraulic Pump and Filter 1-27
Remote Control Valves 1-30
Remote Control Valve Overhaul 1-44
Troubleshooting 1-52
Pressure Testing 1-53
Specifications 1-54
Special tools 1-56
Index 2-57
STEERING SYSTEMS SECTION 41
Manual Steering System Chapter 1
Description Page
Manual Steering System 1-2
Manual Steering System Overhaul 1-4
Troubleshooting 2-29
Special Tools 2-36
Metric Bolt Torque Specifications 2-37
Index 2-38
STEERING SYSTEMS SECTION 41
Power Steering System Chapter 2
Description Page
Power Steering System 2-2
Power Steering System Overhaul 2-10
Troubleshooting 2-29
Pressure Testing 2-32
Specifications 2-34
Special Tools 2-36
Metric Bolt Torque Specifications 2-37
Index 2-38
WHEELS AND TYRES SECTION 44
Wheels and Tyres Chapter 1
Description Page
Tread Settings 1-2
Weights 1-3
Tire Inflation vs Permissible Load 1-5
Lug Bolt Torque 1-6
Index 1-7
ELECTRICAL SYSTEMS SECTION 55
Elecrical System Components Chapter 1
Description Page
Description and Operation 1-2
Electrical System Components — Description and Testing 1-11
Instrument Panel 1-39
Starting System 1-46
Charging System for Models TC18D 1-59
Charging System for Models TC21D 1-63
Specifications 1-84
Index 2-22
ELECTRICAL SYSTEMS SECTION 55
Wiring Diagrams Chapter 2
Description Page
Wiring Diagram Circuit Description 2-1
How to Use the Linear Wiring Diagrams 2-2
Symbols 2-4
Component Identification and Wiring Diagram Location Key 2-5
Wiring Diagrams 2-8
Index 2-22
SEPARATING THE TRACTOR SECTION 90
Separating the Tractor Chapter 1
Description Page
Two-Wheel Drive Front Axle Removal and Installation 1-2
Front-Wheel Drive Front Axle Removal and Installation 1-4
Separating the Tractor 1-5
Specifications 1-58
Special Tools 1-59
Index

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