Bobcat Backhoe Workshop Repair Service Manual – 6904107

This workshop repair service manual PDF download for the Bobcat Backhoe 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 :

(Bob-Tach Mounted) S/N: 074600101 & Above
(406) – S/N: 631010000 & Below
(406) – S/N: 631010001 & Above
(506) – S/N: 631110000 & Below
(506) – S/N: 631110001 & Above
(607) – S/N: 775002278 & Above
(607) – S/N: A5CW00101 & Above
(709) – S/N: 270007245 & Above
(709) – S/N: A54M00101 & Above
(709FDS) – S/N: 584101444 & Above
(709FDS) – S/N: A5F300101 & Above
(8811) – S/N: 630100101 & Above
(8811) – S/N: A55800101 & Above
(MO6) – S/N: 631200101 & Above

TABLE OF CONTENTS :

406 & 506 BACKHOE
PREVENTIVE MAINTENANCE
HYDRAULIC SYSTEM
MAIN FRAME
SPECIFICATIONS AND SCHEMATICS

607 & 709 BACKHOE
PREVENTIVE MAINTENANCE
HYDRAULIC SYSTEM
MAIN FRAME
SPECIFICATIONS AND SCHEMATICS

8811 BACKHOE
PREVENTIVE MAINTENANCE
HYDRAULIC SYSTEM
MAIN FRAME
SPECIFICATIONS AND SCHEMATICS

MO6 BACKHOE
PREVENTIVE MAINTENANCE
HYDRAULIC SYSTEM
MAIN FRAME
SPECIFICATIONS AND SCHEMATICS

BOB-TACH MOUNTED BACKHOE
PREVENTIVE MAINTENANCE.
HYDRAULIC SYSTEM
MAIN FRAME
SPECIFICATIONS AND SCHEMATICS

MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
P/N : 6904107 (8-08)
Total Pages : 350

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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MAINTENANCE SAFETY
ALPHABETICAL INDEX
CONTENTS
SERIAL NUMBER LOCATION
IDENTIFICATION AND MACHINE SIGNS (DECALS)
406 & 506 Backhoes
607 & 709 Backhoes With Telescoping Stabilizers
607 & 709 Backhoes With Outrigger Stabilizers
8811 Backhoe
MO6 Backhoe
Bob-Tach Mounted Backhoe

PREVENTIVE MAINTENANCE
406 BACKHOE (S/N: 631010000 & BELOW, S/N: 631010001 & ABOVE) 506 BACKHOE (S/N: 631110001 & BELOW, S/N: 631110001 & ABOVE)
TROUBLESHOOTING
INSPECTION
Hand Lever Bob-Tach Inspection
Power Bob-Tach Inspection
Backhoe Inspection
LUBRICATION
BOOM SWING ADJUSTMENT
BUCKET REMOVAL

HYDRAULIC SYSTEM
406 BACKHOE (S/N: 631010000 & BELOW, S/N: 631010001 & ABOVE) 506 BACKHOE (S/N: 631110001 & BELOW, S/N: 631110001 & ABOVE)
CONTROL VALVE (S/N: 631010000 & BELOW, S/N: 631110000 & BELOW)
Removal And Installation
Parts Identification
Disassembly And Assembly
CONTROL VALVE (S/N: 631010001 & ABOVE, S/N: 631110001 & ABOVE
Removal And Installation
Parts Identification
Disassembly And Assembly
RELIEF VALVE
Removal And Installation
HYDRAULIC CYLINDER
Bucket Cylinder Removal And Installation
Arm Cylinder Removal And Installation
Boom Cylinder Removal And Installation
Parts Identification
Disassembly
Assembly

MAIN FRAME
406 BACKHOE (S/N: 631010000 & BELOW, S/N: 631010001 & ABOVE) 506 BACKHOE (S/N: 631110001 & BELOW, S/N: 631110001 & ABOVE)
BUCKET
Removal and Installation
ARM
Removal And Installation
BOOM
Removal And Installation
SWING CHAIN
Adjustment
Removal And Installation
RUBBER STOPS
Removal And Installation
BOOM, ARM AND BUCKET
Removal And Installation
BACKHOE MOUNTING FRAME
Removal And Installation

SPECIFICATIONS AND SCHEMATICS
406 BACKHOE (S/N: 631010000 & BELOW, S/N: 631010001 & ABOVE) 506 BACKHOE (S/N: 631110001 & BELOW, S/N: 631110001 & ABOVE)
HYDRAULIC SCHEMATIC
406 (S/N: 631010000 & Below) & 506 (S/N: 631110000 & Below)
406 (S/N: 631010001 & Above) & 506 (S/N: 631110001 & Above)
BACKHOE SPECIFICATIONS

PREVENTIVE MAINTENANCE
607 BACKHOE (S/N: 775002278 & ABOVE), (S/N: A5CW00101 & ABOVE) 709 BACKHOE (S/N: 270007245 & ABOVE, S/N: 584101444 & ABOVE), (S/N: A54M00101 & ABOVE, S/N: A5F300101 & ABOVE)
TROUBLESHOOTING
INSPECTION
Hand Lever Bob-Tach Inspection
Power Bob-Tach Inspection
Backhoe Inspection
LUBRICATION

HYDRAULIC SYSTEM
607 BACKHOE (S/N: 775002278 & ABOVE), (S/N: A5CW00101 & ABOVE) 709 BACKHOE (S/N: 270007245 & ABOVE, S/N: 584101444 & ABOVE), (S/N: A54M00101 & ABOVE, S/N: A5F300101 & ABOVE)
HYDRAULIC CONTROL VALVE (S/N: 270007245 & ABOVE, S/N: 584101444 & ABOVE, S/N: 7750002278 & ABOVE)
Checking The Main Relief Valve On The Backhoe
Checking The Port Relief Valve on the Backhoe
Removal
Installation
Description (Sauer-Danfoss)
Parts Identification
Disassembly And Assembly
Centering Mechanism
HYDRAULIC CONTROL VALVE (S/N: A5CW00101 & ABOVE, S/N: A54M00101 & ABOVE, S/N: A5F300101 & ABOVE)
Checking The Main Relief Valve On The Backhoe
Checking The Port Relief Valve on the Backhoe
Removal And Installation
Description (Nimco)
Parts Identification
Disassembly And Assembly
HYDRAULIC CYLINDERS
Removing Air From The Swing Cylinder
Removal And Installation
607 Backhoe Cylinders
709 Backhoe Cylinders
Hydraulic Cylinder Disassembly
Hydraulic Cylinder Assembly
PISTON NUT TORQUE PROCEDURE

MAIN FRAME
607 BACKHOE (S/N: 775002278 & ABOVE), (S/N: A5CW00101 & ABOVE) 709 BACKHOE (S/N: 270007245 & ABOVE, S/N: 584101444 & ABOVE), (S/N: A54M00101 & ABOVE, S/N: A5F300101 & ABOVE)
BOOM AND ARM
Removal And Installation
BACKHOE MOUNTING FRAME
Removal and Installation
SWING FRAME
Swing Frame Removal
Swing Frame Installation
Side Shift Frame Removal
Side Shift Frame Installation
LOCKING MECHANISM
Removal and Installation
TENSION SPRING ASSEMBLY
Disassembly
Assembly
Adjustment
SAFETY CHAIN
Inspection and Maintenance

SPECIFICATIONS AND SCHEMATICS
607 BACKHOE (S/N: 775002278 & ABOVE), (S/N: A5CW00101 & ABOVE) 709 BACKHOE (S/N: 270007245 & ABOVE, S/N: 584101444 & ABOVE), (S/N: A54M00101 & ABOVE, S/N: A5F300101 & ABOVE)
HYDRAULIC SCHEMATIC
607 (S/N: 270007245 & Above), 709 (S/N: 584101444 & Above), 709FDS (S/N: 775002278 & Above)
607 (S/N: A5CW00101 & Above), 709 (S/N: A5F4M00101 & Above), 709FDS (S/N: A5F300101 & Above)
BACKHOE SPECIFICATIONS
709 Dimensions
709 Hydraulic Specifications
709 Transport
709 Operational
607 Dimensions
607 Hydraulic Specifications
607 Transport
607 Operational
Lift Capacities
BUCKET SPECIFICATIONS

PREVENTIVE MAINTENANCE
8811 BACKHOE (S/N: 630100101 & ABOVE, S/N: A55800101 & ABOVE)
TROUBLESHOOTING
INSPECTION
Hand Lever Bob-Tach Inspection
Power Bob-Tach Inspection
Backhoe Inspection
LUBRICATION

HYDRAULIC SYSTEM
8811 BACKHOE (S/N: 630100101 & ABOVE) (S/N: A55800101 & ABOVE)
HYDRAULIC CONTROL VALVE (S/N: 630100101 & ABOVE)
Checking The Main Relief Valve On The Backhoe
Checking The Port Relief Valve on the Backhoe
Removal
Installation
Description (Sauer-Danfoss)
Parts Identification
Disassembly And Assembly
HYDRAULIC CONTROL VALVE (A55800101 & ABOVE)
Checking The Main Relief Valve On The Backhoe
Checking The Port Relief Valve on the Backhoe
Removal
Description (Nimco)
Parts Identification
Disassembly And Assembly
HYDRAULIC CYLINDERS
Removing Air From The Swing Cylinder
Removal And Installation
Backhoe Cylinders
Hydraulic Cylinder Disassembly
Hydraulic Cylinder Assembly
PISTON NUT TORQUE PROCEDURE

MAIN FRAME
8811 BACKHOE (S/N: 630100101 & ABOVE, S/N: A55800101 & ABOVE)
BOOM AND ARM
Removal And Installation
BACKHOE MOUNTING FRAME
Removal and Installation
SWING FRAME
Removal
Installation
Side Shift Frame Removal
Side Shift Frame Installation
LOCKING MECHANISM
Removal and Installation
TENSION SPRING ASSEMBLY
Disassembly
Assembly
Adjustment
SAFETY CHAIN
Inspection and Maintenance

SPECIFICATIONS AND SCHEMATICS
8811 BACKHOE (S/N: 630100101 & ABOVE, S/N: A55800101 & ABOVE)
8811 BACKHOE SPECIFICATIONS
Hydraulic Schematic (S/N: 630100101 & Above)
Hydraulic Schematic (S/N: A55800101 & Above)
Dimensions
Hydraulic Specifications
Transport
Operational
Lift Capacities
BUCKET SPECIFICATIONS

PREVENTIVE MAINTENANCE
MO6 BACKHOE (S/N: 631200101 & ABOVE)
TROUBLESHOOTING
INSPECTION
Hand Lever Bob-Tach Inspection
Power Bob-Tach Inspection
Backhoe Inspection
LUBRICATION
BOOM SWING ADJUSTMENT
BUCKET REMOVAL
SEAT ADJUSTMENT

HYDRAULIC SYSTEM
MO6 BACKHOE (S/N: 631200101 & ABOVE)
HYDRAULIC CYLINDER
Arm Cylinder Removal And Installation
Arm Cylinder Parts Identification
Boom Cylinder Removal And Installation
Boom Cylinder Parts Identification
Bucket Cylinder Removal And Installation
Bucket Cylinder Parts Identification
Stabilizer Cylinder Removal And Installation
Stabilizer Cylinder Parts Identification
Swing Cylinder Removal And Installation
Swing Cylinder Parts Identification
Disassembly
Assembly
CONTROL VALVE
Removal And Installation
Parts Identification
Disassembly
Assembly
Hydraulic Hose Installation

MAIN FRAME
MO6 BACKHOE (S/N: 631200101 & ABOVE)
ARM
Removal And Installation
BOOM
Removal And Installation
BUCKET
Removal And Installation
STABILIZER
Removal And Installation
BOOM ASSEMBLY
Removal And Installation

SPECIFICATIONS AND SCHEMATICS
MO6 BACKHOE (S/N: 631200101 & ABOVE)
SPECIFICATIONS
HYDRAULIC SCHEMATIC

PREVENTIVE MAINTENANCE
BOB-TACH MOUNTED BACKHOE (S/N: 074600101 & ABOVE)
TROUBLESHOOTING
INSPECTION
Hand Lever Bob-Tach Inspection
Power Bob-Tach Inspection
Backhoe Inspection
LUBRICATION

HYDRAULIC SYSTEM
BOB-TACH MOUNTED BACKHOE (S/N: 074600101 & ABOVE)
HYDRAULIC CYLINDER
Bucket Cylinder Removal And Installation
Bucket Cylinder Parts Identification
Swing Cylinder Removal And Installation
Swing Cylinder Parts Identification
Disassembly
Assembly
HYDRAULIC CONTROL VALVE
Removal and Installation
Parts Identification
Disassembly
Assembly

MAIN FRAME
BOB-TACH MOUNTED BACKHOE (S/N: 074600101 & ABOVE)
BUCKET
Removal and Installation
BUCKET TEETH
Removal and Installation
X-CHANGE®
Removal and Installation
Disassembly
Assembly
BOOM
Removal and Installation

SPECIFICATIONS AND SCHEMATICS
BOB-TACH MOUNTED BACKHOE (S/N: 074600101 & ABOVE)
HYDRAULIC SCHEMATIC
ELECTRICAL SCHEMATIC
7-Pin Connector
7-Pin Connector With 14-Pin Adapter Harness
SPECIFICATIONS

SERVICE MANUAL REVISION
Backhoe-1
Backhoe-2

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