Bobcat X56, X76 Excavator Service Manual – 6570475 (5-88)

This workshop repair service manual PDF download for the X-56 & X-76 Bobcat Mini Hydraulic Excavator has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to fully at every opportunity.

APPLICABLE MODELS :

Bobcat Excavator X 56
Bobcat Excavator X 76

TABLE OF CONTENTS :

10 ENGINE
11 STRUCTURE AND FUNCTION
13 DISASSEMBLY AND ASSEMBLY

20 POWER TRAIN
21 STRUCTURE AND FUNCTION
23 DISASSEMBLY AND ASSEMBLY
24 MAINTENANCE STANDARD

30 UNDERCARRIAGE
31 STRUCTURE AND FUNCTION
34 MAINTENANCE STANDARD

60 HYDRAULIC SYSTEM
61 STRUCTURE AND FUNCTION
62 TESTING AND ADJUSTING
63 DISASSEMBLY AND ASSEMBLY
64 MAINTENANCE STANDARD

70 WORK EQUIPMENT
71 STRUCTURE AND FUNCTION
74 MAINTENANCE STANDARD

80 ELECTRICAL SYSTEM
81 STRUCTURE AND FUNCTION

SERVICE MANUAL REVISION

MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Product Code : 6570475 (5-88)
Total Pages : 256

This service repair workshop manual PDF download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having completly searcheble PDF files instead of a hard-printed manual is that you can use the Search feature in your PDF reader software (Adobe Acrobat) to find just what your looking for and just print out the exact pages you need or all manual easily. This is the same manual your local dealer will use when doing a repair. This is a must for the Do-It-Yourselfer! Saving Yourself $$$$$$ In Service Repair And Maintenance Costs !!!!

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CONTENTS
SAFETY
GENERAL PRECAUTIONS
PREPARATIONS FOR WORK
PRECAUTIONS DURING WORK
FOREWORD
HOISTING INSTRUCTIONS
STANDARD TIGHTENING TORQUE
STANDARD TIGHTENING TORQUE OF BOLTS AND NUTS
TIGHTENING TORQUE OF SPLIT FLANGE BOLTS
TIGHTENING TORQUE FOR NUTS OF FLARED
COATING MATERIALS
WEIGHT TABLE
LIST OF LUBRICANT AND WATER
ENGINE STRUCTURE AND FUNCTION
ENGINE MOUNT AND PTO (Power Take-Off) 56
ENGINE MOUNT 76
PTO (Power Take Off) 76
RADIATOR 56
RADIATOR 56 (12001 & Above)
RADIATOR 76
RADIATOR 76 (12001 & Above)
FUEL TANK AND PIPING 56
FUEL TANK AND PIPING 76
FUEL CONTROL 56
FUEL CONTROL 76
ENGINE DISASSEMBLY AND ASSEMBLY
REMOVAL OF RADIATOR ASSEMBLY 56
INSTALLATION OF RADIATOR ASSEMBLY 56
REMOVAL OF ENGINE ASSEMBLY 56
INSTALLATION OF ENGINE ASSEMBLY 56
REMOVAL OF ENGINE ASSEMBLY 76
INSTALLATION OF ENGINE ASSEMBLY 76
POWER TRAIN STRUCTURE AND FUNCTION
POWER TRAIN 56
POWER TRAIN 56 (12001 & Above)
POWER TRAIN 76
POWER TRAIN 76 (12001 & Above)
SWING CIRCLE 56
SWING CIRCLE 56 (12001 & Above)
SWING CIRCLE 76
SWING CIRCLE 76 (12001 & Above)
POWER TRAIN DISASSEMBLY AND ASSEMBLY
REMOVAL OF SWING CIRCLE ASSEMBLY 56
INSTALLATION OF SWING CIRCLE ASSEMBLY 56
REMOVAL OF SWING CIRCLE ASSEMBLY 76
INSTALLATION OF SWING CIRCLE ASSEMBLY 76
POWER TRAIN MAINTENANCE STANDARD
SWING CIRCLE 56
SWING CIRCLE 56 (12001 & Above)
SWING CIRCLE 76
SWING CIRCLE 76 (12001 & Above)
UNDERCARRIAGE STRUCTURE AND FUNCTION
TRACK FRAME AND RECOIL SPRING 56
TRACK FRAME AND RECOIL SPRING 56 (12001 & Above)
TRACK FRAME AND RECOIL SPRING 76
TRACK FRAME AND RECOIL SPRING 76 (12001 & Above)
IDLER
TRACK ROLLER
56
76
TRACK SHOE 56
TRACK SHOE 76
UNDERCARRIAGE MAINTENANCE STANDARD
TRACK FRAME AND RECOIL SPRING 56
TRACK FRAME AND RECOIL SPRING 56 (12001 & Above)
TRACK FRAME AND RECOIL SPRING 76
TRACK FRAME AND RECOIL SPRING 76 (12001 & Above)
TRACK ROLLER 56
TRACK ROLLER 56 (12001 & Above)
TRACK ROLLER 76
TRACK ROLLER 76 (12001 & Above)
IDLER
IDLER 56 (12001 & Above)
IDLER 76 (12001 & Above)
TRACK SHOE 56
TRACK SHOE 56 (12001 & Above)
TRACK SHOE 76
TRACK SHOE 76 (12001 & Above)
HYDRAULIC SYSTEM STRUCTURE AND FUNCTION
HYDRAULIC PIPING 56
HYDRAULIC PIPING 56 (12001 & Above)
HYDRAULIC PIPING 76
HYDRAULIC PIPING 76 (12001 & Above)
HYDRAULIC DIAGRAM 56
HYDRAULIC DIAGRAM 76
HYDRAULIC CIRCUIT 56
HYDRAULIC CIRCUIT 56 (12001 & Above)
HYDRAULIC CIRCUIT 76
HYDRAULIC CIRCUIT 76 (12001 & Above)
HYDRAULIC TANK 56
HYDRAULIC TANK 56
HYDRAULIC TANK 56 (12001 & Above)
HYDRAULIC TANK 76
HYDRAULIC TANK 76 (12001 & Above)
HYDRAULC PUMP 56
HYDRAULIC PUMP 56 (12001 & Above)
HYDRAULIC PUMP 76
HYDRAULIC PUMP 76 (12001 & Above)
8-SPOOL CONTROL VALVE 56
8-SPOOL CONTROL VALVE 56 (12001 & Above)
6-SPOOL CONTROL VALVE 76
6-SPOOL CONTROL VALVE 76 (12001 & Above)
2-SPOOL CONTROL VALVE 76
2-SPOOL CONTROL VALVE 76 (12001 & Above)
1-SPOOL CONTROL VALVE 56 (12001 & Above)
1-SPOOL CONTROL VALVE 76 (12001 & Above)
CENTER SWIVEL JOINT 56
CENTER SWIVEL JOINT 76
SWING MOTOR 56
SWING MOTOR 56 (12001 & Above)
SWING MOTOR 76
SWING MOTOR 76 (12001 & Above)
TRAVEL MOTOR
56 (12001 & Above)
76 (12001 & Above)
BRAKE VALVE
56 (12001 & Above)
76 (12001 & Above)
HYDRAULIC MOTOR
TRAVEL MOTOR BRAKE VALVE
HYDRAULIC CYLINDER 56
HYDRAULIC CYLINDER 56 (12001 & Above)
HYDRAULIC CYLINDER 76
HYDRAULIC CYLINDER 76 (12001 & Above)
VALVE CONTROL 56
VALVE CONTROL 56 (12001 & Above)
VALVE CONTROL 76
VALVE CONTROL 76 (12001 & Above)
HYDRAULIC SYSTEM TESTING AND ADJUSTING
TABLE OF STANDARD AND PERMISSABLE SPECIFICATIONS
56 HYDRAULIC PUMP
Checking the Output of the Hydraulic Pump
Checking the Output of the Hydraulic Pump at the Arm Cylinder
Adjusting the Main Relief Valve
Checking the Port Relief Pressure
76 HYDRAULIC PUMP
Checking the Output of the Hydraulic Pump at the Boom Cylinder
Checking the Output of the Hydraulic Pump at the Arm Cylinder
Checking the Output of the Hydraulic Pump at the Blade Cylinder
Adjusting the Main Relief Valve
Checking the Port Relief Valve Pressure
HYDRAULIC SYSTEM DISASSEMBLY AND ASSEMBLY
REMOVAL OF 8-SPOOL CONTROL VALVE ASSEMBLY 56
INSTALLATION OF 8-SPOOL CONTROL VALVE ASSEMBLY 56
DISASSEMBLY OF 8-SPOOL CONTROL VALVE ASSEMBLY 56
ASSEMBLY OF 8-SPOOL CONTROL VALVE ASSEMBLY 56
REMOVAL OF TRAVEL MOTOR ASSEMBLY 56
INSTALLATION OF TRAVEL MOTOR ASSEMBLY 56
REMOVAL OF CENTER SWIVEL JOINT ASSEMBLY 56
INSTALLATION OF CENTER SWIVEL JOINT ASSEMBLY 56
DISASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY 56
ASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY 56
REMOVAL OF 6-SPOOL CONTROL VALVE ASSEMBLY 76
INSTALLATION OF 6-SPOOL CONTROL VALVE ASSEMBLY 76
REMOVAL OF 2-SPOOL CONTROL VALVE ASSEMBLY 76
INSTALLATION OF 2-SPOOL CONTROL VALVE ASSEMBLY 76
DISASSEMBLY OF CONTROL VALVE ASSEMBLY 76
ASSEMBLY OF CONTROL VALVE ASSEMBLY 76
REMOVAL OF TRAVEL MOTOR ASSEMBLY 76
INSTALLATION OF TRAVEL MOTOR ASSEMBLY 76
REMOVAL OF CENTER SWIVEL JOINT ASSEMBLY 76
INSTALLATION OF CENTER SWIVEL JOINT ASSEMBLY 76
DISASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY 76
ASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY 76
HYDRAULIC SYSTEM MAINTENANCE STANDARD
HYDRAULIC PUMP 56
HYDRAULIC PUMP 56 (12001 & Above)
HYDRAULIC PUMP 76
HYDRAULIC PUMP 76 (12001 & Above)
8-SPOOL CONTROL VALVE 56
8-SPOOL CONTROL VALVE 56 (12001 & Above)
6-SPOOL CONTROL VALVE 76
6-SPOOL CONTROL VALVE 76 (12001 & Above)
2-SPOOL CONTROL VALVE 56
2-SPOOL CONTROL VALVE 76 (12001 & Above)
1-SPOOL CONTROL VALVE 56 (12001 & Above)
1-SPOOL CONTROL VALVE 76 (12001 & Above)
TRAVEL MOTOR BRAKE VALVE
TRAVEL MOTOR BRAKE VALVE 56 (12001 & Above)
TRAVEL MOTOR BRAKE VALVE 76 (12001 & Above)
HYDRAULIC CYLINDER 56
HYDRAULIC CYLINDER 56 (12001 & Above)
HYDRAULIC CYLINDER 76 (12001 & Above)
WORK EQUIPMENT STRUCTURE AND FUNCTION
WORK EQUIPMENT
56
76
WORK EQUIPMENT MAINTENANCE STANDARD
WORK EQUIPMENT 56
WORK EQUIPMENT 56 (12001 & Above)
WORK EQUIPMENT 76
WORK EQUIPMENT 76 (12001 & Above)
ELECTRICAL SYSTEM STRUCTURE AND FUNCTION
ELECTRICAL WIRING DIAGRAM 56
ELECTRICAL WIRING DIAGRAM 76
ELECTRICAL WIRING DIAGRAM 76 (12001 & Above)
ELECTRICAL CIRCUIT DIAGRAM 56
ELECTRICAL CIRCUIT DIAGRAM 56 (12001 & Above)
ELECTRICAL CIRCUIT DIAGRAM 76
ELECTRICAL CIRCUIT DIAGRAM 76 (12001 & Above)
SERVICE MANUAL REVISION
56/76-1
56/76-2

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