Case CX40B and CX50B - Service Manual - Manuale di Officina - Manuel de Reparation - Reparaturanleitung

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CASE HYDRAULIC EXCAVATOR CX40B - CX50B - SERVICE MANUAL - MANUALE DI OFFICINA - MANUEL DE REPARATION - REPARATURANLEITUNG

- English, Italian, French, Spanish and German Service Manual, in PDF format, to excavators Case CX40B and CX50B.
 

CONTENTS:

- SAFETY PRECAUTIONS
- GENERAL SAFETY INFORMATION
- SAFETY PRECAUTIONS
- 1. OUTLINE
- 1.1 GENERAL PRECAUTIONS FOR REPAIRS
- 1.2 INTERNATIONAL UNIT CONVERSION SYSTEM (Based on MARKS’ STANDARD HANDBOOK FOR MECHANICAL ENGINEERS)
- 2. SPECIFICATIONS
- 2.1 COMPONENTS NAME
- 2.2 MACHINE DIMENSIONS
- 2.3 SPECIFICATIONS AND PERFORMANCE
- 2.4 MACHINE & COMPONENTS WEIGHT (DRY)
- 2.5 TRANSPORTATION
- 2.6 TYPE OF CRAWLER SHOES
- 2.7 TYPE OF BUCKET
- 2.8 ENGINE SPECIFICATIONS
- 3. ATTACHMENT DIMENSIONS
- 3.1 BOOM
- 3.2 ARM
- 3.3 BUCKET
- 3.4 DOZER
- 3.5 SWING
- 11. TOOLS
- 11.1 TORQUE SPECIFICATIONS FOR CAPSCREWS & NUTS
- 11.2 SCREW AND TOOL SIZES
- 11.3 TORQUE SPECIFICATIONS FOR JOINTS AND HOSES
- 11.4 TORQUE SPECIFICATIONS FOR SLEEVE TYPE TUBE FITTINGS
- 11.5 SPECIAL SPANNERS FOR TUBES
- 11.6 SPECIAL TOOLS
- 11.7 APPLICATION OF SCREW LOCKING AND SEALING COMPOUNDS
- 11.8 COUNTERWEIGHT LIFTING JIG
- 11.9 UPPER FRAME LIFTING JIG
- 12. STANDARD MAINTENANCE TIME TABLE
- 12.1 STANDARD WORKING TIME TABLE FOR THE MAINTENANCE OF EXCAVATOR
- 13. MAINTENANCE STANDARDS AND TEST PROCEDURES
- 13.1 HOW TO USE MAINTENANCE STANDARDS AND PRECAUTIONS
- 13.2 PERFORMANCE INSPECTION STANDARD TABLE
- 13.3 MEASURING ENGINE SPEED
- 13.4 MEASURING HYDRAULIC OIL PRESSURE
- 13.5 MEASURING TRAVEL PERFORMANCES
- 13.6 MEASURING SLEW PERFORMANCES
- 13.7 MEASURING ATTACHMENT OPERATING PERFORMANCES
- 13.8 MEASURING SLEW BEARING PERFORMANCES
- 13.9 MEASURING CRAWLER TENSION
- 22. HYDRAULIC SYSTEM
- 22.1 SUMMARY
- 22.2 HYDRAULIC CIRCUITS AND COMPONENT MODELS
- 22.3 HYDRAULIC CIRCUIT OPERATION
- 23. ELECTRICAL SYSTEM
- 23.1 HOW TO READ CIRCUIT DIAGRAM AND HARNESS CONNECTION
- 23.2 ELECTRICAL EQUIPMENT & HARNESS
- 24. COMPONENTS SYSTEM
- 24.1 HYDRAULIC COMPONENTS
- 24.2 ELECTRICAL EQUIPMENT
- 31. GENERAL DISASSEMBLY AND ASSEMBLY
- 31.1 GENERAL DISASSEMBLY AND ASSEMBLY
- 32. ATTACHMENTS
- 32.1 REMOVING AND INSTALLING
- 32.2 DISASSEMBLING AND ASSEMBLING
- 33. UPPER SLEWING STRUCTURE
- 33.1 REMOVING AND INSTALLING
- 33.2 DISASSEMBLING AND ASSEMBLING
- CX40-50_2.pdf
--- 34.1.1 NAME OF TRAVEL SYSTEM PARTS
--- 2. Craweler
--- 3. Upper roller
--- 4. Lower roller
--- 5. Front idler
--- 6. Idler adjuster
--- 7. Sprocket
--- 8. Travel motor
--- 9. Slewing bearing
--- 34.1.2 CRAWLER
--- 34.1.2.1 REMOVAL AND INSTALLATION PROCEDURES
--- 34.1.2.1.1 Removing Rubber Crawler
--- 34.1.2.1.2 Installing rubber crawler
--- 34.1.2.2 REMOVAL AND INSTALLATION PROCEDURES (STEEL: OPT)
--- 34.1.2.3 CONSTRUCTION
--- 34.1.2.4 MAINTENANCE STANDARDS
--- 34.1.3 UPPER ROLLER
--- 34.1.3.1 REMOVAL AND INSTALLATION PROCEDURES
--- 34.1.3.1.1 Removal
--- 34.1.3.1.2 Installation
--- 34.1.3.2 CONSTRUCTION
--- 34.1.3.3 DISASSEMBLY AND ASSEMBLY
--- 34.1.3.3.1 Disassembling
--- 34.1.3.3.2 Installing
--- 34.1.4 MAINTENANCE STANDARDS
--- 34.1.5 TOOLS AND JIGS
--- 34.1.5.1 Tightening tools
--- 34.1.5.2 Jig
--- 34.1.6 LOWER ROLLER
--- 34.1.6.1 REMOVAL AND INSTALLATION PROCEDURES
--- 34.1.6.1.1 Removing
--- 34.1.6.1.2 Installing
--- 34.1.6.2 CONSTRUCTION
--- 34.1.6.3 DISASSEMBLY AND ASSEMBLY
--- 34.1.6.3.1 Disassembling
--- 34.1.6.3.2 Assembly
--- 34.1.6.4 MAINTENANCE STANDARDS
--- 34.1.7 FRONT IDLER
--- 34.1.7.1 REMOVAL AND INSTALLATION PROCEDURES
--- 34.1.7.1.1 Removing
--- 34.1.7.1.2 Installing
--- 34.1.7.2 CONSTRUCTION
--- 34.1.7.3 DISASSEMBLY AND ASSEMBLY
--- 34.1.7.3.1 Disassembly
--- 34.1.7.3.2 Assembly
--- 34.1.7.4 MAINTENANCE STANDARDS
--- 34.1.7.5 TOOLS AND JIGS
--- 34.1.8 IDLER ADJUSTER
--- 34.1.8.1 REMOVAL AND INSTALLATION PROCEDURES
--- 34.1.8.1.1 Removing
--- 34.1.8.1.2 Installing
--- 34.1.8.2 CONSTRUCTION
--- 34.1.8.3 DISASSEMBLY AND ASSEMBLY
--- 34.1.8.4 MAINTENANCE STANDARDS
--- 34.1.9 SPROCKET
--- 34.1.9.1 REMOVAL AND INSTALLATION PROCEDURES
--- 34.1.9.1.1 Removing
--- 34.1.9.1.2 Installing
--- 34.1.9.2 MAINTENANCE STANDARDS
--- 34.1.10 TRAVEL MOTOR
--- 34.1.10.1 REMOVAL AND INSTALLATION PROCEDURES
--- 34.1.10.1.1 Removing
--- 34.1.10.1.2 Installing
--- 34.1.10.2 MAINTENANCE STANDARDS
--- 34.1.11 SLEWING BEARING
--- 34.1.11.1 REMOVAL AND INSTALLATION PROCEDURES
--- 34.1.11.1.1 Removing
--- 34.1.11.1.2 Installing
--- 34.1.11.2 CONSTRUCTION
--- 34.1.11.3 DISASSEMBLY AND ASSEMBLY
--- 34.1.11.3.1 Disassembling
--- 34.1.11.3.2 Assembling
--- 34.1.11.4 MAINTENANCE STANDARDS
--- 34.2 DISASSEMBLING AND ASSEMBLING
--- 34.2.1 TRAVEL MOTOR
--- 34.2.1.1 SUMMARY
--- 34.2.1.3.1 PREPARATIONS FOR DISASSEMBLY
--- 34.2.1.3.2 GENERAL PRECAUTIONS FOR WORKING
--- 34.2.1.3.3 DISASSEMBLING
--- 34.2.1.4 ASSEMBLY
--- 34.2.1.4.1 PREPARATION
--- 34.2.1.4.2 GENERAL PRECAUTIONS FOR ASSEMBLY
--- 34.2.1.4.3 ASSEMBLING PROCEDURE
--- NOTE: After replacing any of the following parts with new ones, adjust the preload of the ball bearing and thickness of the snap ring without fail:
--- NOTE: When replacing any of the above parts, use the parts previously adjusted. Otherwise, the travel motor may malfunction resulting in premature breakage.
--- NOTE: If the tapped hole of carrier (3) is smeared oil or grease, degrease it by using the tap (M8 1.25). After that clean it wi...
--- 34.2.1.5 34.2.1.5 MAINTENANCE STANDARDS
--- 34.2.1.6 Performance verification test
--- 42.1 GENERAL PRECAUTIONS 42-3
--- 42.1.1 CONFIRM ACTUAL TROUBLED CONDITIONS AT SITE 42-3
--- 42.2 TROUBLE DIAGNOSIS: HYDRAULIC 42-4
--- 42.3 TROUBLESHOOTING 42-5
--- 42.3.1 ATTACHMENT 42-5
--- 42.3.2 TRAVEL OPERATION 42-7
--- 42.3.3 SLEWING OPERATION 42-10
--- 42.3.4 PUMP 42-11
--- 42.1 GENERAL PRECAUTIONS
--- 42.1.1 CONFIRM ACTUAL TROUBLED CONDITIONS AT SITE
--- Fig. 42-1 Make field investigation
--- Fig. 42-2 Verifying background of trouble occurred.
--- Fig. 42-3 Diagnosing trouble by means troubleshooting.
--- 42.2 TROUBLE DIAGNOSIS: HYDRAULIC
--- 42.3 TROUBLESHOOTING
--- 42.3.1 Attachment
--- 42.3.1.1 Attachment operational failure (Excluding swing operations)
--- 42.3.1.2 Attachment speed is slow
--- 42.3.1.3 Attachment operating power is low
--- 42.3.1.4 Malfunction of attachment
--- 42.3.2 Travel operation
--- 42.3.2.1 Travel operational failure
--- 42.3.2.2 Travel speed is slow
--- 42.3.2.3 Travel power is low
--- 42.3.2.4 It deviates in travel independent operation
--- 42.3.3 Slewing operation
--- 42.3.3.1 Slewing operational failure
--- 42.3.3.2 Slewing speed is slow
--- 42.3.3.3 Slewing power is low
--- 42.3.3.4 Malfunction of slewing operation
--- 42.3.4 Pump
--- 42.3.4.1 Engine speed is reduced due to pump load
--- 42.3.4.2 Malfunction of pump
--- 43.1 TROUBLE DIAGNOSIS: ELECTRIC SYSTEM 43-3
--- 43.2 TROUBLESHOOTING 43-4
--- 43.2.1 GENERAL 43-4
--- 43.2.2 ATTACHMENT OPERATION 43-8
--- 43.2.3 TRAVEL OPERATION 43-9
--- 43.2.4 DECELERATION 43-10
--- 43.1 TROUBLE DIAGNOSIS: ELECTRIC SYSTEM
--- 43.2 TROUBLESHOOTING
--- 43.2.1 GENERAL
--- 43.2.1.1 Engine does not start.
--- 43.2.1.2 Horn does not sound.
--- 43.2.1.3 Working light does not light up.
--- 43.2.1.4 Hourmeter does not actuate.
--- 43.2.1.5 Fuel gauge does not actuate.
--- 43.2.1.6 Water temperature meter does not actuate.
--- 43.2.2 Attachment operation
--- 43.2.2.1 All controls do not function (Excluding swing operations)
--- 43.2.3 Travel operation
--- 43.2.3.1 Travel 1 & 2 speed change can not be carried out.
--- 43.2.4 Deceleration
--- 43.2.4.1 Decel change operation in option can not be carried out.
--- 44.1 TROUBLE DIAGNOSIS: ENGINE 44-3
--- 44.2 TROUBLESHOOTING 44-6
--- 44.2.1 STARTING TROUBLE 44-6
--- 44.2.2 E/G ROTATION TROUBLE 44-8
--- 44.2.3 OUTPUT DROPS DOWN 44-9
--- 44.2.4 OTHER TROUBLE 44-10
--- 44.3 ELECTRICAL EQUIPMENT 44-13
--- 44.3.1 ELECTRICAL EQUIPMENT LIST 44-13
--- 44.1 TROUBLE DIAGNOSIS: ENGINE
--- 44.2 TROUBLESHOOTING
--- 44.2.1 STARTING TROUBLE
--- 44.2.1.1 Starter does not rotate
--- 44.2.1.2 Starter rotates but hard to start
--- NOTE: Check with the engine start key being in ON position.
--- 44.2.2 E/G ROTATION TROUBLE
--- NOTE: Check the above items in the condition of coolant temperature at more than 50°C. (122°F)
--- 44.2.3 OUTPUT DROPS DOWN
--- 44.2.3.1 Engine output not enough
--- NOTE: Check in the condition of operating at high speed.
--- 44.2.3.2 Knocking at high temperature
--- NOTE: Check in the condition at engine coolant temperature of more than 50°C. (122°F)
--- 44.2.4 OTHER TROUBLE
--- 44.2.4.1 Exhaust trouble
--- NOTE: Note: Check in the condition at engine coolant temperature of more than 50°C. (122°F)
--- NOTE: A breather mechanism of blow-by gas reduction system is applied to the engine as shown in the right drawing. Remove and plug the suction manifold to check blow-by gas.
--- Costruction of breather mechanism
--- 44.2.4.2 Excessive oil consumption
--- NOTE: Check in the condition of no engine oil leakage.
--- 44.2.4.3 Excessive fuel consumption
--- NOTE: Check in the condition the proper fuel is used.
--- 44.2.4.4 Engine not stop when key turned OFF
--- NOTE: Check with the engine start key being in OFF position.
--- 44.3 ELECTRICAL EQUIPMENT
--- 44.3.1 ELECTRICAL EQUIPMENT LIST
--- 71.1 HYDRAULIC CIRCUIT DIAGRAM 71-1
--- 71.1.1 STANDARD SPECIFICATION 71-1
--- 71.1.2 HYDRAULIC CIRCUIT OPERATION 71-3
--- 71.1.3 SCHEMATIC PIPING FOR HYDRAULIC SYSTEM 71-13
--- 71.2 ELECTRIC CIRCUIT DIAGRAM 71-15
- MIR CX40B -50B_A3_gb.pdf
--- Fig. 71- 13 (3/3)
- MIR CX40B -50B_A3_gb.pdf
--- Fig. 71- 13 (3/3)
- 0051_MOTORE.pdf