Case CX40B and CX50B
CX40B - CX50B - WORKSHOP MANUAL - MANUALE DI OFFICINA - MANUEL DE REPARATION - REPARATURANLEITUNG
CASE HYDRAULIC EXCAVATOR CX40B - CX50B - WORKSHOP MANUAL - MANUALE DI OFFICINA - MANUEL DE REPARATION - REPARATURANLEITUNG - English, Italian, French, Spanish and German Workshop 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
Case CX40B and CX50B - Workshop Manual - Manuale di Officina - Manuel de Reparation - Reparaturanleitung
inicio - index
coche - car
moto
4x4
quad - buggy
cami n - truck
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