New Holland TC24DA User Manual

87053140 9/04
© 2004 CNH America LLC
Printed In U.S.A.
TC21DA, TC24DA
REPAIR MANUAL
COMPLETE CONTENTS
SECTION 00 - GENERAL INFORMATION 2..............................
SECTION 10 - ENGINE SYSTEMS 3....................................
SECTION 18 - SINGLE CLUTCH 10......................................
SECTION 21 - TRANSMISSION SYSTEMS 11.............................
SECTION 25 - FRONT AXLE -- FRONT WHEEL DRIVE 13..................
SECTION 27 - DIFFERENTIAL AND REAR AXLE 14.......................
SECTION 29 - HYDROSTATIC TRANSMISSION 15........................
SECTION 31 - POWER TAKE-OFF SYSTEMS 19..........................
SECTION 33 - BRAKES 20..............................................
SECTION 35 - HYDRAULIC SYSTEM 21..................................
SECTION 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 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 TC21DA and TC24DA
Tractors.

New Holland TC24DA Specifications

General

Manufacturer	New Holland
Model	TC24DA
Category	Tractor
Engine Type	Diesel
Horsepower	24 HP
PTO HP	19 HP
Drive	4WD
Transmission	Hydrostatic
Engine Model	Shibaura N843L
Engine Manufacturer	Shibaura
Cylinders	3
Fuel Tank Capacity	6.6 gal
Hydraulic System Type	Open Center
Three-Point Hitch	Category I
Lift Capacity	1, 323 lbs

Summary

SECTION 00 - GENERAL INFORMATION

Precautionary Statements

Safety warnings and guidelines for personal and machine safety during operation and maintenance.

Servicing the Tractor

Operating the Tractor

Driving the Tractor

Operating the PTO

Procedures and safety guidelines for operating the Power Take-Off (PTO).

Safety Frame (ROPS)

Details and safety precautions related to the Roll Over Protection System (ROPS).

SECTION 10 - ENGINE SYSTEMS

Overhaul - Engine

Detailed procedures for engine overhaul and major repairs.

Fuel Injector and Glow Plug

Removal and installation of fuel injectors and glow plugs.

Specifications

Technical specifications and torque values for engine components.

Cylinder Head

Removal, disassembly, inspection, and assembly of the cylinder head.

Crankshaft

Inspection and service procedures for the crankshaft.

Chapter 2 - Fuel System

Description and Operation - Injection Pump

Injection Pump

Covers removal, repair, and installation of the injection pump.

Governor

Disassembly, assembly, and adjustments for the engine governor.

Injectors

Details on injector removal, disassembly, assembly, and adjustment.

Troubleshooting - Governor

SECTION 18 - SINGLE CLUTCH

Chapter 1 - Single Clutch

Free Play Adjustment

Separating the Tractor Between the Engine and Clutch Housing

Method for separating tractor halves for clutch access.

Disassembly

Troubleshooting

Diagnosis and solutions for clutch-related problems.

SECTION 21 - TRANSMISSION SYSTEMS

Chapter 1 - Transmission Systems

Description and Operation - 9 x 3 Gear Transmission

Separating the Tractor - Between the Clutch Housing and the Rear Transmission

Method for separating tractor halves for transmission work.

Input Shaft, Idler Gear, and Countershaft Gear

Main Shaft

Countershaft

SECTION 25 - FRONT AXLE - FRONT WHEEL DRIVE

Chapter 1 - Front Axle - Front Wheel Drive

Front-Wheel Drive Front Axle

Pinion-To-Ring Gear Tooth Contact Adjustment

Troubleshooting

SECTION 27 - DIFFERENTIAL AND REAR AXLE

Chapter 1 - Differential and Rear Axle

Differential

Procedures for differential removal, disassembly, and assembly.

Rear Axle and Brakes

Rear Axle

SECTION 29 - HYDROSTATIC TRANSMISSION

Chapter 1 - Hydrostatic Transmission

Overview, overhaul, and service for the hydrostatic transmission system.

Overhaul - Hydrostatic Transmission

Comprehensive procedures for hydrostatic transmission overhaul.

Hydrostatic Unit

Removal and service of the hydrostatic unit.

Motor and Port Block

Hydrostatic Motor

Detailed service for the hydrostatic motor.

Charge Pump

Hydrostatic Pump and Port Block

Service for the hydrostatic pump and port block assembly.

Troubleshooting

Diagnosis and repair of hydrostatic transmission issues.

SECTION 31 - POWER TAKE-OFF SYSTEMS

Chapter 1 - Power Take-Off Systems

Overhaul - Rear PTO

Procedures for overhauling the rear PTO.

9 X 3 Rear PTO Output Shaft

HST Rear PTO Output Shaft

Overhaul - Mid-Mount PTO

Procedures for overhauling the mid-mount PTO.

SECTION 33 - BRAKES

Chapter 1 - Brakes

Overhaul

Procedures for overhauling the brake system.

Brakes and Final Pinion

Brake Adjustment

Instructions for adjusting the brakes.

SECTION 35 - HYDRAULIC SYSTEM

Chapter 1 - Hydraulic System

Overview, overhaul, and service for the hydraulic system.

Control Valve Assembly (HPL)

Overhaul - Hydraulic System

Comprehensive overhaul procedures for the hydraulic system.

Diverter Valve and Relief Valve Manifold Assembly

SECTION 41 - POWER STEERING SYSTEM

Chapter 1 - Power Steering System

Overview, overhaul, and service for the power steering system.

Power Steering Control Valve

Power Steering Pump

Power Steering Cylinder

Overhaul

Comprehensive overhaul procedures for the power steering system.

SECTION 55 - ELECTRICAL SYSTEM

Chapter 1 - Electrical System

Electrical System Components - Description and Testing

Electrical Wiring Diagram

Starting System

Charging System