CASE IH JX60 / JX70 / JX80 / JX90 / JX95 Tractors Service & Repair Manual

JX60 -- JX70 -- JX80 -- JX90 -- JX95 MODEL TRACTORS SERVICE MANUAL SECTIONS GENERAL 00 ..................................................... ENGINE 10 ....................................................... CLUTCH 18 ....................................................... GEARBOX 21 ..................................................... TRANSMISSION OF MOTION 23 .................................... FRONT MECHANICAL TRANSMISSION 25 .......................... REAR MECHANICAL TRANSMISSION 27 ............................ POWER TAKE- OFF 31 ............................................. BRAKES 33 ....................................................... HYDRAULIC SYSTEMS 35 ......................................... STEERING 41 ..................................................... AXLE AND WHEELS 44 ............................................ AUXILIARY EQUIPMENT 50 ........................................ ELECTRICAL SYSTEM 55 .......................................... CAB 90 ........................................................... S E R V I C E

INTRODUCTION ◊ This manual is divided into sections identified by two--figure numbers. Each section has independent page numbering. For ease of reference, these sections have the same numbers and names as the Repairs Rate Book sections. ◊ 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. ◊ The information contained in this manual was current on the date printed on each section. As CASE IH constantly improves its product range, some information may be out of date subsequent to modifications im- plemented for technical or commercial reasons or to meet legal requirements in different countries. In the event of conflicting information, consult the CASE IH Sales and Service Departments. IMPORTANT WARNINGS ◊ All maintenance and repair work described in this manual must be performed exclusively by CASE IH service technicians in strict accordance with the instructions given and using any specific tools necessary. ◊ Anyone who performs the operations described herein without strictly following the instructions is personally 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 Manufac- turer. In any case, the product manufactured or marketed by the Manufacturer is covered by no guarantee of any kind against personal injury or damage to property caused by abnormal function of parts and/or components not approved by the Manufacturer. TEXT AND ILLUSTRATIONS ARE THE PROPERTY OF CNH ITALIA S.p.A. No part of the text or illustrations may be reproduced PRINTED IN ????? CNH ITALIA S.p.A. -- Viale delle Nazioni, 55 -- 41100 MODENA -- Italy Technical Support -- Technical Information Print No. ?????? -- ?? -- ????

Repair Manual -- JX Series Tractors 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 Section Description Page 10 000 General specification 2 ........................................................... Injection pump calibration data 5 ................................................... General specifications 16 ........................................................ Tightening torques 24 ........................................................... Tools 25 ....................................................................... Cross--sectional views 28 ........................................................ Lubrication and cooling system diagrams 32 ........................................ Fault diagnosis 35 .............................................................. 10 001 10 Engine Removal--Installation 39 ................................................... 10 001 54 Engine Bench overhaul 53 ....................................................... Checks, measurements and repairs 78 ............................................ 10 406 10 Radiator Removal--Installation 102 ................................................ 10 102 70 Crankshaft front oil seal removal installation 106 .................................... 10 402 10 Coolant pump removal installation 112 ............................................. 10 402 30 Cooling system thermostat 115 ................................................... 10 206 14 Bosch injection pump removal installation 118 ...................................... Bosch injection pump timing 121 .................................................. Bosch injection pump air bleeding 123 ............................................. 10 218 30 Injectors removal installation 124 .................................................. 10 106 12 Valve clearance adjustment 126 ..................................................

10 402 28 Coolant pump overhaul 129 ...................................................... 10 001 30 Compression test 130 ........................................................... CLUTCH SECTION 18 Clutches Chapter 1 Section Description Page 18 000 General specifications 1 .......................................................... Tightening torques 2 ............................................................. Tools 3 ......................................................................... Cross--sectional views 4 .......................................................... Clutch Troubleshooting 5 ......................................................... 18 110 10 Removal -- Installation 6 .......................................................... Overhaul 14 .................................................................... Minimum permissible dimensions after refacing 18 .................................. Adjustments 19 ................................................................ 18 100 40 Adjustment of the main and PTO clutch control linkage 21 ............................ GEARBOX SECTION 21 Mechanical Transmission (12x4) Chapter 1 Section Description Page 21 000 Main data 1 ..................................................................... Tightening torques 2 ............................................................. Tools 3 ......................................................................... Section views 3&5 ............................................................... Description and operation 8 ....................................................... Fault diagnosis 8 ................................................................ 21 110 Removal -- Refitting see sect 27 .................................................. Reverser (12x12) Chapter 2 Section Description Page 21 000 Main data 1 ..................................................................... Tightening torques 2 ............................................................. Tools 3 ......................................................................... Section views 3 .................................................................. Description and operation 5 ....................................................... Fault diagnosis 5 ................................................................ 21 110 Removal--Refitting 6 ............................................................. Reverser and Creeper (20x12) Chapter 3 Section Description Page 21 000 Main data 1 ..................................................................... Tightening torques 2 ............................................................. Tools 3 ......................................................................... Section views 4 ..................................................................

Description and operation 6 ....................................................... Fault diagnosis 6 ................................................................ 21 110 Removal--Refitting 7 ............................................................. DRIVE LINES SECTION 23 Drive Lines Chapter 1 Section Description Page 23 000 Main specification 1 .............................................................. Torque settings and Tools 2 ....................................................... Cross--Sectional views 3 .......................................................... 23 101 26 Transmission shafts and guard (Disassembly -- Assembly) 4 ........................... 23 101 40 Drive gear housing (Removal -- Installation) 5 ........................................ 23 101 42 Drive gear housing removed (Disassembly -- Assembly) 7 ............................. FRONT AXLE MECHANICAL TRANSMISSION SECTION 25 Front Axle Mechanical Transmission Chapter 1 Section Description Page 25 000 Main data 1 ..................................................................... Tightening torques 4 ............................................................. Tools 6 ......................................................................... Cross--sectional views 7 .......................................................... Description and operation 9 ....................................................... 25 100 30 Complete front axle. Removal -- Installation 10 ..................................... 25 100 38 Front axle. Removal -- Installation 14 .............................................. 25 108 46--47 Steering knuckle bearing pins. Replacement 24 .................................... Stub axle adjustment 25 ......................................................... Wheel hub bearing adjustment 27 ................................................. Bevel drive adjustment 29 ........................................................ 25 102 24 Front axle differential. Overhaul 36 ................................................ 25 100 27 Front axle differential with LIM--SLIP. Overhaul 37 ................................... Front axle differential with NO SPIN. Overhaul 39 ................................... 44 511 80 Leading drive wheels toe--in check 42 ............................................. REAR AXLE AND TRANSMISSION SECTION 27 Rear Axle And Transmission Chapter 1 Section Description Page 27 000 Main data 1 ..................................................................... Tightening torques 3 ............................................................. Special tools 5 .................................................................. Cross--sectional views 7 .......................................................... Description and operation and troubleshooting 9 .....................................

21.118.10 -- 12 Transmission--gearbox casing Removal--Installation 10 .............................. 21.118.85 Transmission--gearbox casing Disassembly--Overhaul 27 ............................ Gearbox driven shaft end float adjustment 35 ....................................... Differential lock engagement sleeve adjustment 36 .................................. Determining the bevel pinion positioning adjustment ring 37 .......................... Adjusting the taper roller bearings for the bevel pinion shaft 39 ........................ Adjusting the bearings and checking the backlash 40 ............................... Differential pinion and side gear backlash adjustment 44 ............................. POWER TAKE--OFF SECTION 31 Mechanical Power Take -- Off Chapter 1 Section Description Page 31 000 Main specification 1 .............................................................. Tools 3 ......................................................................... Torque settings 4 ................................................................ Sectional drawings 5 ............................................................. Description and operation 9 ....................................................... Troubleshooting 10 .............................................................. Removal -- Refitting 11 ........................................................... 31 101 Bench overhaul 14 .............................................................. BRAKING SYSTEM SECTION 33 Braking System Chapter 1 Section Description Page 33 000 Main data 1 ..................................................................... Tightening torques 2 ............................................................. Cross--sectional views 2 .......................................................... Description & Operation 9 ......................................................... Tools -- Troubleshooting 10 ....................................................... 33.206 Front brake assembly mod. JX60 and JX70 removal and refitting -- overhauling on the bench 11 ...................................................... 33.202.60 Service brake removal and refitting 14 ............................................. 33.202.50 Removal--Refitting of front brake pumps 19 ......................................... 33.202.40 Bleeding air from the front braking system 23 ....................................... 33.120.08 Adjusting service brake pedals travel 24 ........................................... 33.110.08 Parking brake travel adjustment 24 ................................................ HYDRAULIC SYSTEM SECTION 35 Rear Mechanical Hydraulic Lift Chapter 1 Section Description Page 35 000 Main specification 1 ............................................................. Tightening torques 3 ............................................................

Tools 6 ........................................................................ Cross--sectional views 7 ......................................................... Description & Operation 9 ........................................................ Hydraulic circuit 9 ............................................................... Description and operation of lift phases 10 ......................................... Fault diagnosis 13 .............................................................. 35 110.30 Hydraulic lift -- disassembly reassembly 15 ......................................... 35.110.40--42--46 Hydraulic lift -- bench overhaul 21 ................................................. Adjusting the lift 26 .............................................................. 35.110.08 Linkage adjustment 32 .......................................................... 35.110.30 Pressure relief valve -- disassembly reassembly 34 .................................. 35.110.32 Pressure relief valve -- setting 34 .................................................. 35.110.14 Lift control valve -- disassembly assembly and overhaul on bench 36 .................. 35.0101.10 Lift pump 41 .................................................................... Open Centre System Auxiliary Control Valves Chapter 2 Section Description Page 35 000 Maindata -- Tools 1 .............................................................. Auxiliary control valves -- sectional views 2 .......................................... Description and operation 3 ....................................................... Fault diagnosis see chapter 1 ..................................................... 35 204 46 Auxiliary controlvalves -- Assembly--Disassembly 7 .................................. Spool binding test 15 ............................................................ Spool leakage test 16 ........................................................... Adjustment of the automatic detent release pressure 17 .............................. Trailer Brake Auxiliary Control Valve Chapter 3 Section Description Page 35 000 Section views 1 .................................................................. Description and operation 1 ....................................................... Hydraulic diagram 2 .............................................................. Description and operation of valve phases 3 ......................................... Trailer brake auxiliary control valve linkage adjustment 6 .............................. STEERING SECTION 41 Steering Chapter 1 Section Description Page 41 000 Principal data 1 .................................................................. Tightening torques 3 ............................................................. Section views 4 .................................................................. Hydraulic diagram 6 .............................................................. Operation 7 ..................................................................... Fault diagnosis 9 ................................................................ Tools 10 ....................................................................... 41 204 30 Hydrostatic steering control valve -- Removal--Installation 11 ........................... 41 204 34 Hydrostatic steering control valve -- Disassembly--Assembly 14 ....................... 41 204 38 Hydrostatic steering control valve -- Bench testing 28 ................................ Hydrostatic steering oil pump -- Disassembly--Assembly 30 ........................... 41 216 20 Steering cylinder (two--wheel drive axle) -- Removal--Refitting 32 ...................... Steering cylinder (four wheel drive axle) -- Removal--Refitting 33 ...................... FRONT AXLE AND WHEELS SECTION 44

Front Axle And Wheels Chapter 1 Section Description Page 44 000 Principal data 1 .................................................................. Sectional views 3 ................................................................ Torque settings 4 ................................................................ Equipment -- Fault diagnosis 5 ..................................................... 44 101 30 Removal--Refitting--Overhaul 6 .................................................... 44 101 22 Wheel hub disassembly--assembly 9 ............................................... 44 101 46 Stub axle overhaul 16 ........................................................... 44 101 80 Checking wheel alignment 20 .................................................... AUXILIARY UNITS SECTION 50 Auxiliary Units Chapter 1 Section Description Page 50 000 Safety instructions 2 ............................................................. General characteristics 3 ......................................................... Equipment 4 .................................................................... Operating principles 5 ............................................................ Fault diagnosis 7 ................................................................ Cab controls 11 .................................................................. Use 14 ........................................................................ Main components of the cab air conditioning system 15 ............................. Refrigerant recovery--recycling and evacuation--charging stations 20 .................. 50 200 04 Drying recharging and checking cooling 22 ......................................... 50 200 03 Functional testing of air conditioning system 27 ..................................... Summary of the cab air--conditioning system charging operations 28 .................. Checking for refrigerant leaks using an electronic leak detector 30 ..................... Summary of fault diagnosis and maintenance 31 ................................... Air conditioning and heating pipes -- Replacement 33 ............................... 50 200 04--74 Receiver--drier -- Replacement 36 ................................................ 50 200 04--72 Condenser -- Replacement 38 ................................................... 50 200 04--26 Compressor -- Removal--Refitting 39 .............................................. 50 200 10 Compressor drive belt tension adjustment 41 ...................................... ELECTRICAL SYSTEM SECTION 55 Instruments Chapter 1 Section Description Page .............................................................. Analogue instruments Introduction 1 .............................................................. Transmitter and switch 4.

Components Chapter 2 Section Description Page .............................................................. 55 500 Introduction 1 ................................................................... Component description 1 ......................................................... Starting System Chapter 3 Section Description Page .............................................................. 55 000 Technical information 1 ........................................................... Tightening torques 1 ............................................................. Description and operation 2 ....................................................... Starting circuit 3 ................................................................. System tests 5 .................................................................. 55 201 Removal and re--installation of starter motor 8 ....................................... Servicing 9 ...................................................................... Bench tests 10 ................................................................. Charging System Chapter 4 Section Description Page .............................................................. 55 000 Technical information 1 ........................................................... Tightening torques 1 ............................................................. Description and operation 2 ....................................................... System testing and trouble--shooting 4 .............................................. 55 301 Removal, re--installation and servicing 10 .......................................... Battery Chapter 5 Section Description Page .............................................................. 55 000 Technical information 1 ........................................................... Description and operation 1 ....................................................... 55.301.040 Removal and re--installation 2 ..................................................... Battery checking and maintenance 3 ............................................... Charging the battery 4 ............................................................ Battery problems -- Frequent causes 7 .............................................. Electrical Circuits Chapter 6 Section Description Page .............................................................. 55 100 Contents 1 ........ Fuses (all versions) 2 ............................................................ Symbols used in electrical circuits 4 ................................................ Electrical wire colour coding 5 ..................................................... Ground locations 5 ............................................................... Electrical diagrams ............................................................... -- General diagrams (W/Cab) 9 .............................................

-- General diagrams (W/Out Cab) 15 ........................................ -- Analogue instrument circuit and connector overview 19 ...................... -- Start--up circuit and connector overview 21 ................................. -- Direction indicator & hazard warning light circuit and connector overview 25 .... -- Windscreen and rear window wiper/washer circuit and connector overview 31 ... -- Brake light circuit and connector overview 35 ............................... -- Heating and air--conditioning system circuit and connector overview 41 ........ -- Work lamp (without cab circuit and connector overview) 45 ................... -- Work lamp (without cab circuit and connector overview) 49 ................... -- Side lights,main and dipped headlights, parking light circuit and connector overview 53 BODYWORK AND DRIVER POSITION SECTION 90 Bodywork And Driver Position Chapter 1 Section Description Page .............................................................. 90 160 42 -- 43 90 120 10 Control levers, seat and electrical controls -- disassembly and reassembly 2 ............. 90 156 52 Rear window, handle and lock -- disassembly and reassembly 10 ..................... 90 154 30 Left--hand door exterior handle and lock -- disassembly and reassembly 11 .............. 90 154 10 Left--hand door -- disassembly and reassembly 12 ................................... 90 160 60 55 518 52 Windscreen wiper motor -- disassembly and reassembly 13 .......................... 90154 24 90 156 10 -- 14 90 156 28 Cab windows -- replacement 15 ...................................................

CASE IH JX60 / JX70 / JX80 / JX90 / JX95 Tractors Service & Repair Manual

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