Bobcat 450 and 453 Skid-Steer Loader Service Manual

These service manual contains all the information required to assist you or a trained service engineers with all work, repairs and maintenance on this Skid-Steer Loader.

Language English, Format: PDF

Bobcat 453 Loader:
S/N 515011001 & Above
S/N 515111001 & Above
Service Manual – 294 Pages
Operation & Maintenance Manual – 96 Pages
Wiring Schematic – 2 Pages
Hydraulic Hydrostatic Schematics – 2 Pages

Bobcat 450 Loader:
450 S/N 561711001 & Above
453 S/N 561811001 & Above
Service Manual – 350 Pages
Operation & Maintenance Manual – 92 Pages
Operation & Maintenance Manual S/N 561811001 – 86 Pages

CONTENTS:

• FOREWORD
• SAFETY INSTRUCTIONS
• SERIAL NUMBER LOCATIONS
• DELIVERY REPORT
• BOBCAT LOADER IDENTIFICATION
• PREVENTIVE MAINTENANCE
  • AIR CLEANER SERVICE
  • ALTERNATOR BELT ADJUSTMENT (453)
  • AUXILIARY CONTROL LOCKBOLT
  • BOB TACH
  • ELETRICAL SYSTEM
  • ENGINE COOLING SYSTEM
  • ENGINE LUBRICATION SYSTEM
  • FINAL DRIVE TRANSMISSION (CHAINCASE)
  • FUEL SYSTEM
  • HYDRAULIC/HYDROSTATIC SYSTEM
  • LIFT ARM SUPPORT DEVICE
  • LIFTING AND BLOCKING THE LOADER
  • LIFTING THE LOADER
  • LUBRICATION OF THE LOADER
  • OPERATOR CAB
  • PIVOT PINS
  • REMOTE START SWITCH
  • SEAT BAR RESTRAINT SYSTEM
  • SPARK ARRESTOR MUFFLER
  • TIRE MAINTENANCE
  • TOWING THE LOADER
  • TRANSPORTING THE LOADER
• HYDRAULIC SYSTEM
  • CONTROL PEDALS
  • HYDRAULIC CONTROL VALVE
  • HYDRAULIC CYLINDERS
  • HYDRAULIC FILTER BLOCK
  • HYDRAULIC PUMP
  • HYDRAULIC RESERVOIR
  • HYDRAULIC SYSTEM INFORMATION
  • LIFT ARM BY PASS BLOCK
  • LIFT CYLINDER(S)
  • PEDAL INTERLOCK LINKAGE
  • TILT CYLINDER
  • TROUBLESHOOTING
• HYDROSTATIC SYSTEM
  • CONTROL SHIELD AND STEERING LEVER PANELS
  • DRIVE BELT
  • HYDROSTATIC MOTOR
  • HYDROSTATIC PUMP
  • HYDROSTATIC SYSTEM INFORMATION
  • STEERING LEVERS
  • STEERING LINKAGE
  • TENSION PULLEY AND SPRING
  • TROUBLESHOOTING
• DRIVE SYSTEM
  • AXLE HUB
  • AXLE SEAL
  • AXLE, BEARINGS, AND SPROCKET
  • CHAINCASE COVERS
  • CHAINCASE FLUID
  • DRIVE CHAIN
  • PARKING BRAKE PEDAL
  • PARKING BRAKE DISC
• MAIN FRAME
  • BOB TACH
  • FUEL TANK
  • LIFT ARMS
  • OPERATOR CAB
  • OPERATOR CAB GAS SPRING
  • OPERATOR SEAT
  • REAR DOOR
  • REAR WINDOW
  • SEAT BAR
• ELECTRICAL SYSTEM
  • ALTERNATOR (450)
  • ALTERNATOR (453)
  • BATTERY
  • ELECTRICAL SYSTEM INFORMATION
  • FRONT LIGHTS (OPTIONAL)
  • INSTRUMENT PANEL
  • REAR LIGHTS (OPTIONAL)
  • STARTER (450)
  • STARTER (453)
  • TROUBLESHOOTING
• ENGINE SERVICE
  • ENGINE SERVICE (KOHLER 450)
  • ENGINE SERVICE (KUBOTA 453)
• SYSTEMS ANALYSIS
  • BOBCAT INTERLOCK CONTROL SYSTEM (BICS )
  • BICS SYSTEM CONTROLLER
  • LIFT AND TILT LOCK BY PASS VALVE
  • SEAT BAR SENSOR
  • SEAT SENSOR
  • TRACTION LOCK
• SPECIFICATIONS
  • DECIMAL AND MILLIMETER EQUIVALENTS
  • ENGINE SPECIFICATIONS 450 (KOHLER)
  • ENGINE SPECIFICATIONS 453 (KUBOTA)
  • GLOSSARY OF HYDRAULIC SYMBOLS
  • HYDRAULIC CONNECTION SPECIFICATIONS
  • HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS
  • 450 LOADER SPECIFICATIONS
  • 453 LOADER SPECIFICATIONS
  • TORQUE SPECIFICATIONS FOR BOLTS
  • U.S. TO METRIC CONVERSION