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HU1-2-1

INTRODUCTION WX90

15501   9-35990

2.

INTRODUCTION

2.1

INTRODUCTION

This service manual has been prepared in order to increase repair quality, providing to the technicians the
elements for a good knowledge of the product and showing the proper procedures to carry out the
maintenance operations. We recommend to thoroughly read the content and follow it when necessary.

It is a concise guide for a specific machine. It covers construction features, operation principle, troubleshooting,
disassembly and assembly of components and repair action.

Using this manual in systematic and rational way it is possible to reduce the repairing errors and delay that
could cause machine stop with a detriment of cost management.

The information quoted in this service manual are supplied also to be used for training aids. Therefore it is
advisable to be used in the training of new personnel that will be employed in the machine maintenance.

All the information, illustrations and specifications contained in this service manual are based on the latest
product information available at the time of publication.

CASE

 reserves the right to makes changes at any time without notice to this service manual for technical or

trading reasons.

2.2

MANUAL HANDLING

2.2.1 CHANGES AND SUPPLEMENTS

This service manual is carried out in loose-leaf and therefore can be easily kept up-to-date.
The personnel in charge is responsible for updating the manual and will insert the changes or supplements
that 

CASE

 will issue to its service organisation.

Find manuals at http://best-manuals.com/search?&s=CASE-935990

Содержание WX90

Страница 1: ...Excavator WX90 Service Manual Cre 9 35990...

Страница 2: ...ion and design of the machine without prior notice and without incurring any obligation to modify units previously sold The description of the models shown in this manual has been made in accordance w...

Страница 3: ...to the following Operation and maintenance instruction manual Spare parts catalog DESCRIPTION OF THE COMPLETE WORKSHOP MANUAL The complete repair manual consists of one volume WX90 Workshop Manual Exc...

Страница 4: ...t an accident The complete observance of one simple rule would prevent many thousand serious injuries each year That rule is Never attempt to clean oil or adjust a machine while it is in motion ATTENT...

Страница 5: ...INDEXES HU1 1 1 Group 2 INTRODUCTION HU1 2 1 2 1 Introduction 2 2 Manual handling 2 3 Symbols and indications Group 3 FEATURES OF THE MANUAL HU1 3 1 3 1 Manual composition 3 2 Brief information for m...

Страница 6: ...15501 9 35990 Find manuals at http best manuals com search s CASE 935990...

Страница 7: ...V4 5 Group 6 CENTER JOINT CJ4 6 Group 7 STEERING VALVE SV4 7 Group 8 BRAKE PEDAL VALVE BRV4 8 Group 9 ACCUMULATORS ACC4 9 Group 10 SOLENOID VALVES SOV4 10 SECTION 5 UNDERCARRIAGE Group 1 UNDERCARRIAGE...

Страница 8: ...oup 3 PREPARATION FOR PERFORMANCE TEST PT10 3 Group 4 EXCAVATOR PEFORMANCE TEST PT10 4 Group 5 COMPONENTS PERFORMANCE TEST PT10 5 SECTION 11 ENGINE Group 10 GENERAL INFORMATION EM11 10 Group 11 SPECIF...

Страница 9: ...of cost management The information quoted in this service manual are supplied also to be used for training aids Therefore it is advisable to be used in the training of new personnel that will be empl...

Страница 10: ...age When you see this symbol be alert to the potential for personal injury Strictly follow the recommended precautions 2 3 2 INDICATIONS Reading this service manual you can find indications as IMPORTA...

Страница 11: ...uring the use and maintenance are given in this Section Furthermore safety decals and relate indications used on the machine are listed on this Section SECTION 3 SPECIFICATION This Section quotes the...

Страница 12: ...describes the electric system of the machine the main electrical component and the connection with the electrical users SECTION 9 TROUBLESHOOTING IIn this Section information is provided for troubles...

Страница 13: ...embly D A Disassembly Assembly In the Operation Principle the assemblies and their components are described with technical data In the disassembly and assembly the procedures are described to perform...

Страница 14: ...HU1 3 4 FEATURES OF THE MANUAL WX90 15501 9 35990 NOTES...

Страница 15: ...1 INFORMATION SECTION SR2 1 1 Generalities Starting Operating Stopping Group 1 Maintenance SR2 1 5 Generalities Transfers and transportation Engine Electrical system Hydraulic system Tools Removing tw...

Страница 16: ...15501 9 35990...

Страница 17: ...or shoes with the soles made of highly no slip rubber Do not leave the machine until it has come to a complete stop Always check height width and weight limitations which may be encountered in the wo...

Страница 18: ...Operators must know the performance of the machine they are driving When working on slopes or near sudden level drops in the terrain pay attention not to lose adherence and avoid loose soft ground si...

Страница 19: ...or within the excavator operating range for any reason whatever Never exceed specified loading capacity Incorrect fastening of slings or chains may cause boom dipper failure or failure of the lifting...

Страница 20: ...This signal man flag man must be in direct communication with the Operator and the Operator must pay undivided attention to the signals supplied When working in or near pits in ditches or very high wa...

Страница 21: ...operator s seat Before starting the machine or moving its attachment sound the horn and require that nobody remains near the machine Raise the attachment slowly Always lock all moving components or p...

Страница 22: ...erator s compartments of the machines involved are fitted with proper guards against cable or chain backlash Keep the maintenance area clean and dry at all times Clean immediately all water and oil sp...

Страница 23: ...able to remove harmful exhaust fumes Do not place head body limbs feet hands or fingers near rotating fans or belts Be especially careful near blower fans Loosen the radiator cap very slowly to reliev...

Страница 24: ...s proper securing devices are provided TYRES AND WHEELS Make sure that the inflation pressure of the tyres is according to the specifications issued by the Manufacturer and check it periodically Shoul...

Страница 25: ...ndicates an imminent hazardous situation which if not avoided will result in death or serious injury WARNING indicated a potential hazardous situation which if not avoided could result in death or ser...

Страница 26: ...ons Unauthorised changes to the machine may impair function and or safety and affect machine life Safety messages in this Chapter SAFETY PRECAUTIONS are intended to illustrate basic safety procedures...

Страница 27: ...hine Operating equipment safely requires the full attention of the operator Do not wear radio or music headphones while operating the machine PROTECT AGAINST NOISE Prolonged exposure to loud noise can...

Страница 28: ...d off a moving machine Be careful of slippery conditions of platforms steps and handrails when leaving the machine ADJUST THE OPERATOR S SEAT A seat poorly adjusted for operator or work requirements m...

Страница 29: ...Be sure to remain seated with the seat belt securely fastened at all times when the machine is in operation to minimise injury hazard in case of accident After a significant accident replace the seat...

Страница 30: ...ll procedures detailed in the chapter OPERATING INSTRUCTIONS The operator should be sitting in the driver s seat to keep the machine under control when the engine starts Starting the engine with boost...

Страница 31: ...road shoulders When working on an incline or road shoulder employ a signal person as required Confirm that your machine is equipped with a F O P S Falling Object Protective Structure cab before workin...

Страница 32: ...e Make sure that all personnel obey the signal person s directions F3614 CONFIRM DIRECTION WHERE THE MACHINE IS TO BE DRIVEN Instinctive travel pedal operation may result in serious injury and even de...

Страница 33: ...cause the machine skidding or overturning When travelling up or down a slope make sure the tyres are oriented in the slope direction Turning on an incline may cause the machine to tip over If turning...

Страница 34: ...achine Do not park the machine on a grade Park at a reasonable distance from other machines Lower the bucket and or other work tools to the ground Lower blade and stabilizers to the ground Run the eng...

Страница 35: ...ody is standing in that area USE A SIGNAL PERSON WHEN BACKING UP IF YOUR VIEW IS OBSTRUCTED ALWAYS KEEP THE SIGNAL PERSON IN VIEW Use hand signals which conform to your local regulations when work con...

Страница 36: ...rea of the bucket swing radius to prevent anyone from entering the work area F5045 NEVER MOVETHE BUCKET OVER ANY ONE Never lift move or swing bucket above anyone or a truck cab Serious injury or machi...

Страница 37: ...and close to the machine Reduce machine operating speed to avoid tipping or slipping Avoid changing direction when travelling on grades NEVER attempt to travel across a grade steeper than 15 degrees...

Страница 38: ...wer gas telephone water sewers telecommunications etc to obtain information about underground utility lines F2446 OPERATE WITH CAUTION If the front attachment or any other part of the machine hits aga...

Страница 39: ...injury F1466 PARK MACHINE SAFELY Before working on the machine Park the machine on a level surface Lower the bucket to the ground Turn the auto idle A I switch off Move the upperstructure swing lever...

Страница 40: ...inders as shown in the homologation configuration Lock cylinders cocks reference marks Lift stabilizers and or blade as shown in the homologation configuration Fit lighting devices as shown in the hom...

Страница 41: ...auto idle A I switch off when loading or unloading the machine to avoid unexpected speed increase due to unintentional operation of a control lever 5 Always select the slow speed mode with the travel...

Страница 42: ...tipping while the upperstructure is rotating 10 Keep the dipper tucked under and rotate the upperstructure slowly for best stability 11 Securely fasten machine frame using chains or cables Refer to t...

Страница 43: ...not leave the machine unattended if servicing requires the engine running If the machine is to be raised place boom and dipper at an angle of 90 to 110 Lock machine components which should be raised f...

Страница 44: ...the machine first Always lower the attachment or tool to the ground before working on the machine If you must work on a lifted machine or attach ment securely support the machine or attachment Do not...

Страница 45: ...Slow down or stop and let tyres get cool When adjusting tyre pressure keep at a certain distance and protect yourself Use an extension equipped with a quick connection for the valve handling Always s...

Страница 46: ...ome hot during operation The engine hoses lines and other parts become hot as well Wait for the oil and components to cool down before starting any maintenance or inspection work F1477 F1469 AVOID HIG...

Страница 47: ...shift or after eight hours of operation for loose kinked hardened or frayed electrical cables and wires DO NOT OPERATE MACHINE if cable or wires are loose kinked etc Tighten repair or replace any loos...

Страница 48: ...osition if there is time Use a fire extinguisher if there is time Exit the machine F3638 F1446 BEWARE OF EXHAUST FUMES Prevent asphyxiation Engine exhaust fumes can cause sickness or death If you must...

Страница 49: ...pipes or tubes that contain flammable fluids Clean them thoroughly with non flammable solvent before welding or flame cutting them F5840 F1470 AVOID HIGH PRESSURE FLUIDS Avoid this hazard by relievin...

Страница 50: ...acid Flush your eyes with water for 10 15 minutes Get medical attention immediately If acid is swallowed Drink large amounts of water of milk Then drink milk of magnesia beaten eggs or vegetable oil...

Страница 51: ...This as a preview PDF file from best manuals com Download full PDF manual at best manuals com...

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