New Holland TD3.50 User manual

SERVICE MANUAL
TD3.50
Tractor
Part number 47840677
English
March 2015
© 2015 CNHI Industrial. All Rights Reserved.
SERVICE
MANUAL
TD3.50
Tractor
1/1
Part number 47840677

TD 3.50
MODEL TRACTOR
REPAIR MANUAL
SECTION
GENERAL 00.....................................................
ENGINE 10.......................................................
CLUTCH 18.......................................................
TRANSMISSION 21................................................
DRIVELINES 23...................................................
FRONT AXLE MECHANICAL TRANSMISSION 25.....................
REAR AXLE AND TRANSMISSION 27...............................
PTO 31...........................................................
BRAKES 33.......................................................
HYDRAULIC SYSTEMS 35.........................................
STEERING 41.....................................................
ELECTRICAL SYSTEM 55..........................................
SERVICE
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INTRODUCTION
(This manual is divided into sections identified by two-figure numbers. Each section has independent page
numbering.
Foreaseofreference,thesesectionshavethesamenumbersandnamesastheRepairsRateBooksections.
(The different sections can easily be found by consulting the table of contents on the following pages.
(The document number of the manual and the edition/update dates are given at the bottom of each page.
(Theinformationcontainedinthismanualwascurrentonthedateprintedoneachsection.AsNEWHOLLAND
constantly improves its product range, some information may be out of date subsequent to modifications
implemented for technical or commercial reasons or to meet legal requirements in different countries.
In the event of conflicting information, consult the NEW HOLLAND Sales and Service Departments.
IMPORTANT WARNINGS
(AllmaintenanceandrepairworkdescribedinthismanualmustbeperformedexclusivelybyNEWHOLLAND
AGRICULTURE service technicians, in strict accordance with the instructions given and using any specific
tools necessary.
(Anyonewho performsthe operationsdescribed hereinwithout strictlyfollowing theinstructions ispersonally
responsible for resulting injury or damage to property.
(The Manufacturer and all organisations belonging to the Manufacturer’s distribution network, including but
not restricted to national, regional or local distributors, will accept no responsibility for personal injury or
damage to property caused by abnormal function of parts and/or components not approved by the
Manufacturer, including those used for maintenance and/or repair of the product manufactured or marketed
by the Manufacturer.
In any case, the product manufactured or marketed by the Manufacturer is covered by no guarantee of any
kindagainst personalinjury ordamage toproperty causedbyabnormalfunction ofparts and/orcomponents
not approved by the Manufacturer.
TEXT AND ILLUSTRATIONS ARE THE PROPERTY
OF NEW HOLLAND.
No part of the text or illustrations
may be reproduced.
PRINTED IN TURKEY
NEW HOLLAND
SERVICE - Technical Publications & Special Tools
Part No:47840677
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NEW
HOLLAND
Service Manual - TD3.50 Tractor
TABLE OF CONTENTS
GENERAL SECTION 00
General Instructions and Health and Safety Chapter 1
Section Description Page
00 000 General Instructions 1............................................................
Notes for spare parts 2...........................................................
Notes for equipment 2............................................................
Safety Rules 3..................................................................
Consumables 6..................................................................
ENGINE SECTION 10
Engine System Chapter 1
Bölüm Tanım Sayfa
10 000 Specifications 2.................................................................
Tightening Torques 14...........................................................
Special Tools 15................................................................
Cross Sectional Views 17........................................................
Engine Cooling System 20.......................................................
Troubleshooting 21.............................................................
Engine - Remove and Install 25...................................................
Engine Removal and Overhaul 37.................................................
Engine Timing Gear Cover, Timing Gears, and Cam Shaft 44.........................
Cylinder Head 46...............................................................
Valves 47......................................................................
Cylinder Block 50...............................................................
Pistons 70.....................................................................
Crankshaft - Main Bearing and Thrust Washer 65...................................
Camshaft 73...................................................................
Hydraulic Oil Pump 83...........................................................
Description of operation - Engine Lubrication System 84.............................
Description of operation - Cooling System 86.......................................
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Clutches Section 18
Section Description Page
18 000 Specifications 1.................................................................
TIGHTENING TORQUES 2.......................................................
Special Tools 3..................................................................
Cross Sectional Views 3..........................................................
Troubleshooting 4...............................................................
Remove - Assembly 5-13.........................................................
Control, Measurement and Repair 15-18............................................
General Maintenance - Overhaul 18-19.............................................
Clutch Adjustments 20-22.........................................................
TRANSMISSION SECTION 21
Mechanical Transmission Chapter 1
Section Description Page
21 000 Specifications 2.................................................................
Tightening Torques ................................................................
2
Liquid Sealants 4...............................................................
Special Tools 5.................................................................
Cross Sectional Views 6.........................................................
Troubleshooting 8...............................................................
Description and Operation 8......................................................
Reverser Chapter 2
Section Description Page
General Recommendations For Overhauling Operations 2............................
Transmission Assembly, Removal - Installation 3....................................
Transmission - Mechanical - Disassemble 8x8 Shuttle Transmission 18.................
Gear and Synchroniser - Remove Transmission Synchroniser Kit and Cluster
Gear Assembly 24...............................................................
Gear and Synchroniser - Inspect Transmission Synchroniser Kit and Cluster Gear Assembly28
Gear and Synchroniser - Install Transmission Synchroniser Kit and Cluster Gear Assembly 29
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DRIVE LINES SECTION 23
Drive Lines Chapter 1
Section Description Page
23 000 Specifications 1.................................................................
Torque Settings and Tools 2......................................................
Cross-Sectional Views 3..........................................................
Transmission shafts and guard (Disassembly - Assembly) 4...........................
Drive gear housing (Removal - Installation) 5........................................
Drive gear housing removed (Disassembly - Assembly) 6.............................
FRONT AXLE MECHANICAL TRANSMISSION SECTION 25
Front Axle Mechanical Transmission Chapter 1
Section Description Page
25 000 Specifications 2.................................................................
TIGHTENING TORQUES 3.......................................................
Tools 6.........................................................................
Cross Sectional Views 7..........................................................
Description and Operation 9.......................................................
25 100 30 Complete front axle. Remove - Install 10...........................................
25 100 38 Front axle. Remove - Install 15...................................................
25 108 46-47 Steering knuckle bearing pins. Replace 22.........................................
Stub axle adjustment 23.........................................................
Wheel hub bearing adjustment 25.................................................
Bevel drive adjustment 26........................................................
25 102 24 Front Axle Differential. Overhaul 32...............................................
25 100 27 Front axle differential with LIM-SLIP. Overhaul 33...................................
44 511 80 Leading drive wheels toe-in check 35..............................................
REAR AXLE AND TRANSMISSION SECTION 27
Rear Axle And Transmission Chapter 1
Section Description Page
21 000 Specifications 2.................................................................
Tightening Torques 3............................................................
Liquid Sealants 6...............................................................
Special Tools 7.................................................................
Cross Sectional Views 7.........................................................
Troubleshooting 10...............................................................
Description and Operation 10......................................................
Low Gear Drive Line Schema 13...................................................
Reverse Gear Drive Shaft 13......................................................
High Gear Drive Shaft 14.........................................................
Transmission Assembly, Removal - Installation 16....................................
Internal Components, Disassembly - Assembly 33...................................
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Diferential Chapter 2
Section Description Page
27 000 Differential Assembly 2
Differential pinion and side gear backlash 4
Repair and Inspection 5
Adjustment of bevel wheel bearings and crown pinion backlash adjustment 6
Final drive housing 8
POWER TAKE-OFF SECTION 31
Mechanical Power Take - Off Chapter 1
Section Description Page
31 000 Specifications 1.................................................................
Tightening Torques 2............................................................
Liquid Sealants 3...............................................................
Cross Sectional Views 4..........................................................
Description and Operation 5.......................................................
RemovalInstallation - Overhaul 7...................................................
BRAKING SYSTEM SECTION 33
Braking System Chapter 1
Section Description Page
33 000 Specifications 2.................................................................
Tightening Torques 3............................................................
Special Tools 4.................................................................
Liquid Sealants 4...............................................................
Cross Sectional Views 5.........................................................
Troubleshooting 6...............................................................
Description and Operation 7......................................................
Brake Control, Removal - Installation 8.............................................
Brake Assembly, Removal - Installation 10..........................................
Brake Pedal Free Play Setting 13..................................................
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HYDRAULIC SYSTEM SECTION 35
Hydraulic System
Chapter 1
35 000 Introduction and Circuit Identification 1.............................................
Open Centre High Pressure Hydraulic Circuit 3.....................................
Hydraulic Circuit Diagram 4......................................................
Sectional view 5................................................................
Hydraulic Pump
Chapter 1
Specifications 1............... ..........................................
Tightening Torques 2............................................................
Special Tools 2.................................................................
Description and Operation 3......................................................
Remove and Install 4............................................................
Disassembly - Assembly 5.......................................................
Hydraulic Pump
Chapter 2
35 000 Specifications 2.................................................................
Tightening Torques 3............................................................
Liquid Sealants 4...............................................................
Special Tools 4.................................................................
Cross Sectional Views 5.........................................................
Troubleshooting 7...............................................................
Description and Operation 8......................................................
Operation of Distributor 12........................................................
Internal Three-Point Hitch 15......................................................
Operation of Internal Lift-O-Matic Levers 21.........................................
Remove and Install 23............................................................
Disassembly - Assembly 25.......................................................
Adjustment and Settings 38.......................................................
STEERING SECTION 41
Steering Chapter 1
Section Description Page
Section Description Page
41 000 Specifications 1.................................................................
Tightening Torques 3............................................................
Special Tools 3.................................................................
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Troubleshooting 3...............................................................
Description and Operation 8......................................................
Removal Installation - Overhaul 12.................................................
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ELECTRICAL SYSTEM SECTION 55
Instruments Section 1
Section Description Page.............................................................
Semi-digital instruments Introduction 1............................................................
Transmitters, sensors and switches 3............................................................ .
Components Chapter 2
Section Description Page.............................................................
55 500 Introduction 1...................................................................
Description of the Component 2...................................................
Starting System Chapter 3
Section Description Page.............................................................
55 000 Technical Information 1...........................................................
TIGHTENING TORQUES 1.......................................................
Description and Operation 2.......................................................
Starter System Circuit 3..........................................................
Operation Description 5..........................................................
Removal and re-installation of starter motor 7........................................
Electrical Test 8.................................................................
Bench tests 10.................................................................
Charging System Chapter 4
Section Description Page.............................................................
55 000 Technical Information 1...........................................................
TIGHTENING TORQUES 1.......................................................
Description and Operation 2.......................................................
Alternator - Removal and Reassembly 4............................................
Alternator component testing and inspection 10.....................................
Battery Chapter 5
Section Description Page.............................................................
55 000 Technical Information 1...........................................................
Description and Operation 1.......................................................
Removal and Re-installation 2.....................................................
Battery Checking and Maintenance 3...............................................
Battery Charging 4...............................................................
Battery Problems - Frequent Causes 7.............................................
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