Bobcat Loader 620 Service Manual 6549846

MAINTENANCE SAFETY
INTRODUCTION
– SYMBOLS
– SERIAL NUMBER IDENTIFICATION
– LOADER SERIAL NUMBER
– ENGINE SERIAL NUMBER
– PREDELIVERY INSPECTION
– 30 HOUR INSPECTION
PREVENTIVE MAINTENANCE
– SERVICE SCHEDULE
– AIR CLEANER SERVICE
– ENGINE FUEL SYSTEM
– ENGINE OIL AND FILTER REPLACEMENT
– CLEANING ENGINE COOLING SYSTEM
– TIRES
– LOADER LUBRICATION
– SEAT AND SEAT BELTS
– ROLLOVER PROTECTIVE STRUCTURE
– CONTROLS
– CHOKE LINKAGE ADJUSTMENT
– THROTTLE ADJUSTMENT
– ELECTRICAL SYSTEM
– CHAIN ADJUSTMENT
– BRAKE ADJUSTMENT
– HYDRAULIC HYDROSTATIC SYSTEM SERVICE
LOADER HYDRAULIC SYSTEM
– OPERATION OF THE HYDRAULIC SYSTEM
– GENERAL INFORMATION
– TROUBLESHOOTING CHART FOR HYDRAULIC SYSTEM
– CHARGING THE VANE PUMP AND CHECKING FOR SUCTION LEAKS
– CHECKING RELEASE PRESSURE
– CHECKING THE CONDITION OF THE VANE PUMP
– VANE PUMP SERVICE
– CONTROL VALVE AND HYDRAULIC CYLINDER CHECKS
– HYDRAULIC CYLINDER REPAIR
– CONTROL VALVE REPAIR
HYDROSTATIC DRIVE SYSTEM
– HYDROSTATIC DRIVE SYSTEM
– TROUBLESHOOTING CHART
– PROBLEM ANALYSIS CHARTS
– STEERING LINKAGE
– CHECKING THE HYDROSTATIC SYSTEM
– CHECK VALVE SERVICE
– REPLENISHING VALVES
– HYDROSTATIC MOTOR REPLACEMENT
– REPLACEMENT OF TRANSMISSION PUMP ASSEMBLY
– HYDROSTATIC TRANSMISSION RECONDITIONING PROCEDURE
– STARTUP AFTER REPAIR
MECHANICAL FINAL DRIVE SYSTEM
– FINAL DRIVE SYSTEM MECHANICAL
– REPAIR AND REPLACEMENT OF BRAKE ASSEMBLY
– FINAL DRIVE
– CHAIN REMOVAL AND INSTALLATION
– MOTOR SPROCKET SERVICE
– UPPER JACKSHAFT SERVICE
– IDLER SPROCKET SERVICE PRIMARY AND SECONDARY
– SERVICING LOWER JACKSHAFT SPROCKET
– FINAL DRIVE TIGHTENER SERVICE
– WHEEL AND AXLE REPAIR
MAIN FRAME
– THE BOBTACH
– LOADER LIFT ARM ASSEMBLY
– GRILL ASSEMBLY
– FUEL TANK
ELECTRICAL SYSTEM
– ELECTRICAL CIRCUITRY
– PROBLEM ANALYSIS CHARTS
– GENERATOR DRIVE BELT
– TO CHECK WIRING
– TO CHECK GENERATOR OUTPUT
– TO CHECK THE REGULATOR
– GENERATOR SERVICE
– STARTER SERVICE
WISCONSIN ENGINE SERVICE
– TROUBLESHOOTING THE ENGINE
– ENGINE IGNITION SYSTEM
– CARBURETOR SERVICE
– LP CARBURETOR SERVICE
– VAPORIZER PRIMARY REGULATOR SERVICE
– LP FUEL FILTER LOCKOFF
– ENGINE SERVICE
SPECIFICATIONS, SPECIAL TOOLS AND ETC.
– FUEL SPECIFICATIONS
– ENGINE OIL SPECIFICATIONS
– HYDRAULIC HYDROSTATIC TRANSMISSION FLUID
– FITS, CLEARANCE AND ADJUSTMENTS
– SPECIAL TOOLS
– TORQUE SPECIFICATIONS
– DECIMAL AND MILLIMETER EQUIVALENTS
– U.S. TO METRIC CONVERSION
– LOADER SPECIFICATIONS
ALPHABETICAL INDEX
– 6201