Service manual Bobcat Backhoe 7BH, 9BH | 6990887 (11-17)

MAINTENANCE SAFETY
CONTENTS
FOREWORD
SERIAL NUMBER LOCATION
Attachment Serial Number
MANUAL STORAGE LOCATION
DELIVERY REPORT
BACKHOE IDENTIFICATION
FEATURES AND ACCESSORIES
Options And Accessories
SAFETY AND MAINTENANCE
TROUBLESHOOTING
Chart
LUBRICATING THE BACKHOE
Lubrication Locations
DAILY INSPECTION
Attachment Mounting Frame
Bob-Tach
X-Change
Pin-On Attachment
BUCKET REMOVAL AND INSTALLATION
Pin-On X-Change
Pin-On Bucket
ATTACHMENT STORAGE AND RETURN TO SERVICE
Storage
Return To Service
SEAT ADJUSTMENT
HYDRAULIC SYSTEM
HYDRAULIC CONTROL VALVE
Checking The Main Relief Valve On The Backhoe
Checking A Port Relief Valve On The Backhoe
Hose And Tubeline Routing
Removal And Installation
Parts Identification
Disassembly And Assembly
HYDRAULIC CYLINDER REMOVAL AND INSTALLATION
Preparing Backhoe For Cylinder Removal
Bucket Cylinder Removal And Installation
Arm Cylinder Removal And Installation
Boom Cylinder Removal And Installation
Swing Cylinder Removal And Installation
Removing Air From The Swing Cylinder
Stabilizer Cylinder Removal And Installation
HYDRAULIC CYLINDER DISSASSEMBLY AND ASSEMBLY
Backhoe Cylinder Parts Identification
Hydraulic Cylinder Disassembly
Hydraulic Cylinder Assembly
MAINFRAME
BOOM, ARM, AND BUCKET GROUP
Removal And Installation
PIN ON X-CHANGE
Removal And Installation
ARM
Removal And Installation
Arm Pivot Bushing Removal And Installation
Boom
Removal And Installation
Boom Pivot Bushing Removal And Installation
SWING FRAME
Removal
Installation
SWING CYLINDER WEAR PLATE
Removal And Installation
LOCKING MECHANISM and tension spring
Removal And Installation
Disassembly
Assembly
Adjustment
SPECIFICATIONS
7BH BACKHOE SPECIFICATIONS
Dimensions
Hydraulic Specifications
Transport
Operational
Lift Capacities
7BH Bucket Specifications
9BH BACKHOE SPECIFICATIONS
Dimensions
Hydraulic Specifications
9BH Transport
Operational
9BH Bucket Specifications
SCHEMATICS
Hydraulic Schematic 7BH And 9BH
TORQUE SPECIFICATIONS FOR BOLTS
Torque For General SAE Bolts
Torque For General Metric Bolts
HYDRAULIC CONNECTION SPECIFICATIONS
O-ring Face Seal Connection
Straight Thread O-ring Fitting
Tubelines And Hoses
Flare Fitting
Port Seal Fitting
ALPHABETICAL INDEX