Case TX742 TX842 TX945 Telehandlers Service Manual 87684642B – PDF DOWNLOAD

Description

Case TX742 TX842 TX945 Telehandlers Service Manual 87684642B – PDF DOWNLOAD

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Case TX742 TX842 TX945 Telehandlers Service Manual 87684642B – PDF DOWNLOAD

GENERAL INSTRUCTIONS
IMPORTANT NOTICE
All maintenance and repair interventions listed in this Manual must be performed exclusively by the Service
Network of the Manufacturer, complying strictly with the indications herein and using, when required, the
prescribed special tools.
Whoever performs service operations described herein without complying strictly with the instructions becomes
solely responsible for any consequential damage that could occur.
ADJUSTING SHIMS
For each adjustment select the adjusting shims, measuring them one by one with a micrometer and adding to
gether subsequently, the values measured. Do not rely on the measurement of the entire pack, that could be
wrong, or the nominal value indicated on each ring.
SEALS FOR ROTATING SHAFTS
For correct installation of the seals for rotating shafts, please comply with the following precautions:
— prior to installation, keep the seals soaking for at least half an hour in the same oil they are going to seal;
— clean thoroughly the shaft and make sure that its working face is undamaged;
— direct the sealing lip toward the fluid; in the event the lip is of the hydro dynamic type, the grooves must be
directed so that, in relation to the rotating direction of the shaft, they tend to return the fluid toward the inside
of the sealing device;
— smear the sealing lip with a film of lubricant (oil to be preferred to grease) and fill with grease the gap between
sealing lip and dust lip in twin lip seals;
— insert the seal in its seat, pressing it with a punch with a flat face; never strike it with a hammer or mallet;
— when pressing in the seal, make sure that it is inserted perpendicularly in relation to the seat and, once in
position, make sure that, when required, it contacts the shoulder;
— to prevent the sealing lip of the seal being damaged by the shaft, insert appropriate protection during the
installation of the two parts.

TABLE OF CONTENTS:

Case TX742 TX842 TX945 Telehandlers Service Manual 87684642B – PDF DOWNLOAD

SECTION 00 — GENERAL
Description Page
General instructions 1
Safety rules 3
Product identification 6
Environmental considerations 11
Maintenance techniques 12
SECTION 10 — ENGINE
Description Page
Main specifications of engines 2
Troubleshooting 5
Generalities engine F4GE9484F*J600/F4GE9484J*J600 19
Removal and installation of the motor and the radiator 24
Spaecial tools 36
SECTION 21 — POWERSHIFT GEARBOX
Description Page
Powershift Gearbox 4×4 2
Driving with the powershift gearbox 2
Gearbox assembly 5
Idler gear case assembly 7
Gearbox operation 8
Transmission and Hydraulic oil circuit diagrams 15
Modulation valve operation 31
Torque converter and heat exchanger hydraulic oil circuit 34
Troubleshooting guide 35
Troubleshooting procedures 35
Troubleshooting 37
Pressure testing clutch and high pressure circuit 38
Pressure testing torque converter and cooler circuit 39
Check points 40
Assembly instructions 42
Overhaul 46
Special tools 114
4 GENERAL LIST OF CONTENTS
87684642B — 10 — 2008
SECTION 25 — FRONT AXLE
Description Page
Specifications 1
Description 2
Operation 3
Troubleshooting 4
Wheel toe–in check 5
Component overhaul 5
Front axle removal procedure 6
Front axle overhaul 7
Axle drive pinion bearing adjustment 52
How to install and adjust the axle drive pinion 54
Front drive shaft 57
SECTION 27 — REAR AXLE
Description Page
Specifications 1
Description 2
Operation diagram 3
Component overhaul 5
Rear axle removal procedure 5
Overhaul 6
Special tools 7
SECTION 33 — BRAKES
Description Page
Specifications 1
Power brakes 2
Parking brake 4
Brake disc adjustment 8
Troubleshooting 9
Brakes disassembly 10
SECTION 35 — HYDRAULIC SYSTEM
Description Page
Technical data 2
Description and operation 3
Introduction 3
Steering valve 3
Telescopic boom hydraulic circuit 4
Component operation 15
GENERAL LIST OF CONTENTS 5
87684642B — 10 — 2008
Hydraulic pump 15
Delivery side divider valve 15
Pressure reduction valve (version TX742) 17
Pressure reduction valve (version TX842–TX945) 18
Front loader controls 19
Balancing valves 22
Power steering (OSPQ) 24
Telescopic boom distributor 25
Auxiliary control distributor (with stabilizer) 41
Auxiliary control distributor (without stabilizer) 42
Cylinders 44
Boom 55
SECTION 55 — ELECTRICAL SYSTEM
Description Page
Chapter 1 – Electrical system general
Electrical equipment specifications 1
Electrical system and fuses 2
Controls and instruments 9
Powershift gearbox 4×3 20
Switches 21
Bulb replacement 34
Protecting the electrical systems during charging or welding 36
Starting the machine using jump leads 37
Temporary wiring repairs 38
Electrical system–general fault finding 40
Chapter 2 – Circuit diagrams
List of connectors version ON–OFF / ELECTRO–PROPORTIONAL 42
List of components version ON–OFF 44
List of components version ELECTRO–PROPORTIONAL 45
How to use the circuit diagrams 48
Diagram 1: Starting/Recharge/Warning/Indicators lights 50
Diagram 2: Transmission 54
Diagram 3: Wheel alignment/Hydraulic solenoids/Brake system 58
Diagram 4: Boom control 62
Diagram 5: Frame leveling/Parking brake devise 68
Diagram 6: Lights 72
Diagram 7: Work lamps/Roof beacon light 76
Diagram 8: Wiper motors 80
Diagram 9: Heating / Sound system / Electric socket / Roof lamp 82
Diagram 10: Air conditioner 84
6 GENERAL LIST OF CONTENTS
87684642B — 10 — 2008
SECTION 60 – AIR CONDITIONING SYSTEM
Description Page
Air conditioning system 2
Operation 2
Cab heating–ventilation controls 3
Components 5
Precautions for use 11
Connections for servicing tools 14
Draining the refrigerant 15
Recharging with refrigerant 15
Leak test 16
Special tools 18
Fault finding 19

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