Case WX90 Service Manual
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Case WX90 Service Manual

Case WX90 Service Manual

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Excavator
WX90
Service Manual
Cre 9-35990

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Summary of Contents for Case WX90

  • Page 1 Excavator WX90 Service Manual Cre 9-35990...
  • Page 2 NOTE: CASE Company reserves the right to make changes in the specification 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 with the technical spec- ifications known as of the date of design of this document.
  • Page 3 ZI Paris Nord II - 93420 Villepinte - Read this manual carefully for correct FRANCE information about repair procedures. - For any question or comment, or in case ADDITIONAL REFERENCE MANUALS • In addition to this Workshop Manual, refer also...

  • Page 4: Avoid Accidents

    CASE FRANCE SA COPYRIGHT BY 18, place des Nymphéas ZI Paris Nord II - 93420 Villepinte France All rights reserved. Reproduction of text and illustrations in whole or in part, is strictly prohibited. Find manuals at http://best-manuals.com/search?&s=CASE-935990...
  • Page 5 INDEX WX90 - 1 - 1 WX90 SECTION 1 HOW TO USE INDEX Group 1 - SECTIONS AND GROUPS 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...
  • Page 6 Find manuals at http://best-manuals.com/search?&s=CASE-935990...
  • Page 7 HU1-1-1 SECTIONS AND GROUPS INDEXES WX90 SECTIONS AND GROUPS INDEXES PAGE SECTION 1 - HOW TO USE Group 1 - SECTIONS AND GROUPS INDEXES ............HU1-1 Group 2 - INTRODUCTION .................... HU1-2 Group 3 - FEATURES OF THE MANUAL ..............HU1-3 SECTION 2 - SAFETY RULES Group 1 - GENERAL INFORMATION ................
  • Page 8 Group 12 - CYLINDER HEAD ASSEMBLY ..............EM11-12 Group 13 - PISTON AND CONNECTION ROD ............EM11-13 Group 14 - CRANKSHAFT ..................EM11-14 Group 15 - TIMING CASE COVER AND DRIVE ............EM11-15 Group 16 - GENERAL DESCRIPTION ............... EM11-16 Group 17 - ENGINE TIMING ..................EM11-17 Group 19 - LUBRICATION SYSTEM .................

  • Page 9: Manual Handling

    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.
  • Page 10 Reading this service manual you can find indications as “IMPORTANT” or “NOTE” that have the following meaning: • IMPORTANT Indicates a situation which, if not avoided, could caused damages to the machine. • NOTE Indicates supplementary technical information or know-how. Find manuals at http://best-manuals.com/search?&s=CASE-935990...

  • Page 11: Section 1 - How To Use

    HU1-3-1 FEATURES OF THE MANUAL WX90 FEATURES OF THE MANUAL MANUAL COMPOSITION This service manual is divided into eleven Sections. The Section names and its contents are as below. To fully use this service manual it is essential to understand how it is organised. Therefore, in order to speed up the searching of wished subject, it is advisable to carefully read this chapter.
  • Page 12 HU1-3-2 FEATURES OF THE MANUAL WX90 SECTION 6 - FRONT-END ATTACHMENT This Section describes the front-end attachment and its components and maintenance rules with related disassembly/assembly. SECTION 7 - HYDRAULIC SYSTEM This Section describes the operation of the machine from hydraulic point of view.
  • Page 13 HU1-3-3 FEATURES OF THE MANUAL WX90 BRIEF INFORMATION FOR MANUAL CONSULTATION The manual is divided into section, each of them quotes a specific portion of the machine or specific related subject. Some section (those related to main mechanical assembly) are divided into: •...
  • Page 14 HU1-3-4 FEATURES OF THE MANUAL WX90 NOTES:...
  • Page 15 INDEX WX90 - 2 - 1 WX90 SECTION 2 SAFETY RULES INDEX Group 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 twin wheels Group 2 - SAFETY RULES ....................

  • Page 17: Safety Precautions

    SR2-1-1 SAFETY PRECAUTIONS GENERALITIES Assess exact paths of gas ducts, water mains, Read the Operator's Manual carefully before starting, telephone lines, sewers, overhead and underground operating, maintaining, fuelling or servicing the machine. electric lines and all other possible obstacles. Carefully read the explanation to each and all safety Such paths should be opportunely defined by signs in the special section of this Manual before competent Authorities.
  • Page 18 The gradient you may attempt to overcome is limited case of cable or chain failure or detachment. by factors such as ground conditions, load being Be alert of soft ground conditions close to newly handled, machine type and speed, and visibility.
  • Page 19 – The machine should necessarily be equipped with - Define together which precautions should be taken the special option supplied by CASE. Follow also to guarantee work safety. safety rules for the excavator used as lifting means.
  • Page 20 SR2-1-4 SAFETY PRECAUTIONS standpoint more favourable than the Operator’s. When working in or near pits, in ditches or very high This signal man (flag-man) must be in direct walls, check that the walls are sufficiently propped up communication with the Operator and the Operator to avoid cave-in hazards.

  • Page 21: Maintenance

    SR2-1-5 SAFETY PRECAUTIONS slopes before stopping it at the end of the working maintenance purposes, do not raise or lower the day. attachment from any other position than sitting in the Align the upperstructure to the tracks in order to allow operator’s seat.
  • Page 22 In case of field service, move the machine to level The attachment is kept constantly in position by an oil ground and block it. If work on an incline cannot be column trapped into the high pressure circuit.

  • Page 23: Electrical System

    TRANSFERS AND TRANSPORTATION matter free in the air. Before moving or transporting the machine, block Do not refuel with the engine running, especially if hot, as this increases fire hazard in case of fuel spillage. upperstructure swing prevent accidental Never attempt to check or adjust fan belt tensions movement.

  • Page 24: Tyres And Wheels

    Prior to any maintenance or repair work, install all supports necessary to this aim according to local and national safety regulations. In case the attachment is to be operated for maintenance or repair purposes, do so exclusively while sitting in the driver’s seat. Sound the horn before starting the machine or moving the attachment.

  • Page 25: Understand Signal Words

    SR2-2-1 SAFETY PRECAUTIONS RECOGNISE SAFETY INFORMATION • This is your SAFETY ALERT SYMBOL. - When you see this symbol on your machine or in this Manual, be alert of the potential for personal injury. - Follow recommended precautions and safe operating practices.

  • Page 26: Prepare For Emergencies

    - If a safety sign or this Manual are damaged or mis- sing, obtain a replacement from your Dealer CASE in the same way you order a spare part (be sure to detail machine model and serial number upon ordering).

  • Page 27: Wear Protective Clothing

    SR2-2-3 SAFETY PRECAUTIONS WEAR PROTECTIVE CLOTHING • Wear close-fitting clothing and safety equipment appropriate to the job. You need: - A hard hat; - Safety shoes; - Safety glasses or face shield; - Heavy gloves; - Ear protection; - Reflective clothing; - Waterproof clothing;...

  • Page 28: Use Hand Holds And Steps

    SR2-2-4 SAFETY PRECAUTIONS USE HAND HOLDS AND STEPS • Falling is one of the major causes of personal injury. - When you get on and off the machine, always face the machine and maintain a three-point contact with the steps and handrails. - Do not use any control as a handhold.

  • Page 29: Move And Operate Machine Safely

    F3261 - 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 belts even though they do not look damaged.
  • Page 30 SR2-2-6 SAFETY PRECAUTIONS OPERATE ONLY FROM THE DRIVER'S SEAT • Avoid possible injury or machine damage. - DO NOT start the engine by shorting across starter terminals. - NEVER start the engine while standing on the track or on the ground. - Do not start the engine by shorting across starter motor terminals.

  • Page 31: Investigate Job Site Before Hand

    PROTECTION OF CAB • In case of operation of the excavator under conditions where land slides with falling rocks or any conditions where there is a potential falling of objects of different nature that could endanger the operator, it is necessary to install a F.O.P.S.
  • Page 32 SR2-2-8 SAFETY PRECAUTIONS PROVIDE SIGNALS FOR JOBS INVOLVING A NUMBER OF MACHINES • For jobs involving several machines, provide signals commonly known by all personnel involved. Also, appoint a signal person to co-ordinate the job site. Make sure that all personnel obey the signal person’s directions.

  • Page 33: Drive Machine Safely

    SR2-2-9 SAFETY PRECAUTIONS DRIVE MACHINE SAFELY • Before starting the machine, carefully read this manual (refer to the chapter OPERATING IN- STRUCTIONS). - Before moving the machine, confirm which way to move travel pedals/levers for the corresponding direction you wish to go. - When traveling up or down a grade, keep the F7731 bucket in the direction of travel, approximately 20...
  • Page 34 SR2-2-10 SAFETY PRECAUTIONS AVOID INJURY FROM UNEXPECTED MACHINE MOVEMENT • Death or serious injury may result if you attempt to get on or off a moving machine. • To avoid roll-aways: - Select level ground when possible to park the machine.

  • Page 35: Avoid Injury From Back-Over And Swing Accidents

    SR2-2-11 SAFETY PRECAUTIONS AVOID INJURY FROM BACK-OVER AND SWING ACCIDENTS • If any person is present near the machine when backing or swinging the upperstructure, the machine may hit or run over that person, resulting in serious injury or death. •...

  • Page 36: Avoid Undercutting

    SR2-2-12 SAFETY PRECAUTIONS KEEP PERSONNEL CLEAR FROM WORKING AREA • A person may be hit severely by the swinging front attachment or counterweight and/or may be crushed against an other object, resulting in serious injury or death. - Keep all persons clear from the area of operation and machine movement.

  • Page 37: Never Undercut A High Bank

    SR2-2-13 SAFETY PRECAUTIONS AVOID OVERTURNING • The danger of tipping is always present when operating on a grade, possibly resulting in serious injury or death. • To avoid tipping: - Be extra careful before operating on a grade. - Prepare machine operating area flat by grading. - Keep the bucket low to the ground and close to the machine.

  • Page 38: Dig With Caution

    F2451 AVOID POWER LINES • Serious injury or death can result from contact with electric lines. - In case of works near air electrical lines respect the necessary safety distances: Operation Voltage Safety distance up to 1000 V 1.0 m from 1 kV to 110 kV 3.0 m...

  • Page 39: Protect Against Flying Debris

    SR2-2-15 SAFETY PRECAUTIONS PROTECT AGAINST FLYING DEBRIS • If flying debris hit eyes or any other part of the body, serious injury may result. - Guard against injury from flying pieces of metal or debris; wear goggles or safety glasses. - Keep bystanders away from the working area before striking any object, to avoid personal injury.
  • Page 40 SR2-2-16 SAFETY PRECAUTIONS RULES FOR ROAD TRANSFER • The machine is equipped with safety locks to be used for road transfer. • When transferring the machine: - Locate upper carriage towards swinging front axle. Insert upperstructure anti-swing lock. - Locate cylinders as shown in the homologation configuration.

  • Page 41: Safety Transporting

    SR2-2-17 SAFETY PRECAUTIONS SAFETY TRANSPORTING • The danger of tipping is present when loading/ unloading the machine onto/from a truck or trailer bed. - Be sure to observe local regulations when transporting the machine on public roads. - Provide an appropriate truck or trailer for F5048 transporting the machine.
  • Page 42 SR2-2-18 SAFETY PRECAUTIONS Prevent possible injury from machine 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 the chapter “SAFETY SIGNS” in this manual.

  • Page 43: Safe Maintenance

    SR2-2-19 SAFETY PRECAUTIONS SAFE MAINTENANCE • To avoid accidents: - Understand maintenance procedure before start- ing the work. - Keep the working area clean and dry. - Do not spray water or steam inside the cab. - Do not lubricate or service the machine when it is in motion.

  • Page 44: Warn Others Of Service Work

    SR2-2-20 SAFETY PRECAUTIONS WARN OTHERS OF SERVICE WORK • Unexpected machine movement can cause serious injury. - Before performing any work on the machine, at- tach a maintenance in progress tag (see also SAFETY PLATES in this Chapter). This tag can be applied to the left-hand control lever, safety le- ver or cab door.

  • Page 45: Store Attachments Safely

    SR2-2-21 SAFETY PRECAUTIONS PREVENT PARTS FROM FLYING OFF • Tyres are charged with pressure. - Tyre and/or rim parts burst may result in serious injury or death. - Only skilled staff can replace tyres. - Always keep the correct tyre pressure. - Never exceed the recommended pressure when inflating tyres.

  • Page 46: Prevent Burns

    SR2-2-22 SAFETY PRECAUTIONS PREVENT BURNS Hot spraying fluids: • After operation, engine coolant is hot and under pressure. Hot water or steam is contained in the engine, radiator and heater lines. Skin contact with escaping hot water or steam can cause severe burns.

  • Page 47: Prevent Fires

    SR2-2-23 SAFETY PRECAUTIONS PREVENT FIRES • Check for oil leaks: - Fuel, hydraulic oil and lubricant leaks can lead to fires that may result in serious injury. - Check for missing or loose clamps, kinked hoses, lines or hoses that rub against each other, damaged oil-cooler, and loose oil-cooler flange bolts, for oil leaks.

  • Page 48: Evacuating In Case Of Fire

    SR2-2-24 SAFETY PRECAUTIONS EVACUATING IN CASE OF FIRE • If a fire breaks out, evacuate the machine in the following way: - Stop the engine by turning the starter switch key to the OFF position if there is time; - Use a fire extinguisher, if there is time;...

  • Page 49: Avoid Heating Near Pressurized Fluid Lines

    SR2-2-25 SAFETY PRECAUTIONS AVOID HEATING NEAR PRESSURIZED FLUID LINES • Flammable spray can be generated by applying heat near pressurized fluid lines, resulting in severe burns to yourself and bystanders. - Do not heat by welding, soldering, or using a torch near pressurized fluid lined or other flammable materials.

  • Page 50: Prevent Acid Burns

    SR2-2-26 SAFETY PRECAUTIONS PREVENT ACID BURNS • Sulfuric acid in battery electrolyte is poisonous. It is strong enough to burn skin, eat holes in clothing, and cause blindness if splashed into eyes. - Avoid the hazard by: Filling batteries in a well-ventilated area. Wearing eye protection and rubber gloves.
  • Page 51 This as a preview PDF file from best-manuals.com Download full PDF manual at best-manuals.com...

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