Bobcat Loader 974 975 Service Manual 6556214

MAINTENANCE SAFETY
CONTENTS
– FOREWORD
– SAFETY INSTRUCTIONS
– FIRE PREVENTION
PREVENTIVE MAINTENANCE
– INTRODUCTION
– SERVICE SCHEDULE
– REAR DOOR AND ENGINE COVER
– REMOVAL OF SIDE PANEL FENDER
– TILTING THE ROPS Operator Enclosure
– CONTROL LEVER LOCK
– TO CLEAN ROPS ANS SKID PLATE AREA
– ENGINE MAINTENANCE
– CRANKCASE VENT TUBE
– REPLACEMENT OF ENGINE OIL AND FILTER
– ENGINE AIR INLET SYSTEM Air Cleaner
– ENGINE COOLING SYSTEM
– FLUSHING THE COOLING SYSTEM
– ADJUSTMENT OF FAN BELT
– FUEL SYSTEM General
– FUEL SPECIFICATIONS
– 974 FUEL SYSTEM SERVICE
– CHARGING FUEL SYSTEM
– 975 FUEL SYSTEM SERVICE
– REMOVAL OF FUEL TANK
– ELECTRICAL SYSTEM MAINTENANCE
– ADJUSTMENT OF CLUTCHBRAKE
– HYDRAULICHYDROSTATIC SYSTEM General
– HYDRAULIC FLUID
– HYDRAULIC FLUID FILTERS
– HYDRAULIC RESERVOIR REMOVAL OF WATER OR HYDRAULIC FLUID
– HYDRAULIC FLUID TO CHECK, ADD OR REPLACE
– REMOVAL OF HYDRAULIC RESERVOIR
– TO CHECK FOR HYDRAULIC SYSTEM LEAKS
– TO CLEAN 100 MESH FILTER SCREEN
– OIL COOLER
– HYDROSTATIC TRANSMISSION
– FINAL DRIVE CHAIN
– TO TRANSPORT
– TIRES
– TIRE MAINTENANCE
– TIRE ROTATION
– TIRE REPLACEMENT
– LUBRICATION
– WHEEL NUTS
– BOBTACH
– MELROE TRACKS
HYDRAULIC SYSTEM
– HYDRAULICHYDROSTATIC SCHEMATICS
– BASIC OPERATING PRINCIPLE OF THE HYDRAULIC SYSTEM
– HYDRAULIC CONTROLS
– TROUBLESHOOTING
– HYDRAULIC FILTER SERVICE
– HYDRAULIC TESTING
– HYDRAULIC PUMP
– HYDRAULIC PUMP TYRONE 974SN 12818 Above 975SN 12639 Above
– REMOVAL OF CONTROL VALVE
– CONTROL VALVE SERVICE
– CHECK HYDRAULIC LIFT AND TILT CYLINDERS
– INSPECTION OF HYDRAULIC CYLINDER
– LIFT CYLINDER SERVICE
– TILT CYLINDER SERVICE
HYDROSTATIC SYSTEM
– HYDROSTATIC OPERATING PRINCIPLE
– HYDROSTATIC CIRCUITRY
– TROUBLESHOOTING
– ADJUSTMENT OF DIRECTIONAL CONTROL
– REMOVAL OF CONTROL ASSEMBLY
– ADJUSTMENT OF PUMP AND MOTOR CONTROL
– FLUID AND FILTERS
– TRANSMISSION STARTING PROCEDURE
– HYDROSTATIC CHARGE PUMP
– DISPLACEMENT CONTROL VALVE
– REMOVAL OF CHECK VALVE
– REMOVAL OF HYDROSTATIC PUMP OR HYDROSTATIC MOTOR
– MANIFOLD BLOCK
– OIL COOLER
MECHANICAL DRIVE SYSTEM
– GENERAL INFORMATION
– CLUTCH SERVICE
– TRANSFER CHAINCASE SERVICE
– REDUCTION GEARCASE DESCRIPTION
– ADJUSTMENT OF FINAL DRIVE CHAIN
– AXLES
– INSTALLATION OF FINAL DRIVE CHAIN
– FINAL DRIVE CHAIN With Pivot Bolt
– FINAL DRIVE IDLER With Floating Pivot Pin
MAIN FRAME
– ROPS Operator Enclosure
– ROPS TILT CONTROL SERVICE
– REMOVAL AND INSTALLATION OF ROPS
– LIFT ARMS
– REPLACEMENT OF LIFT ARM PIVOT PIN
– REPLACEMENT OF LIFT ARM PIVOT BUSHING
ELECTRICAL SYSTEM
– ELECTRICAL SCHEMATICS
– INSTALLATION OF BATTERY
– WIRING HARNESS
– ELECTRICAL CIRCUITRY
– PROBLEM ANALYSIS CHARTS
– TO CHECK WIRING
– TO CHECK GENERATOR OUTPUT
– GENERATOR SERVICE
– STARTER SERVICE
– SERVICING THE NIPPONDENSO STARTER
ENGINE SERVICE 974 PERKINS
– REMOVAL OF ENGINE
– INTRODUCTION TO ENGINE REPAIR
– UNIFIED THREADS
– ENGINE NUMBER
– ENGINE DESCRIPTION
– LUBRICATING OIL PAN
– CRANKCASE VENTILATION
– CYLINDER HEAD
– REMOVAL OF PISTONS AND CONNECTING RODS
– CYLINDER LINERS
– CRANKSHAFT AND MAIN BEARINGS
– REMOVAL OF CRANKSHAFT
– CRANKSHAFT REAR OIL SEAL
– BALANCE UNIT
– BALANCER UNIT CENTER MOUNTED
– CRANKSHAFT FRONT OIL SEAL
– REMOVAL OF TIMING CASE COVER
– REMOVAL OF CAMSHAFT AND TAPPETS
– TO CHECK VALVE TIMING
– LUBRICATION SYSTEM
– COOLING SYSTEM
– FUEL SYSTEM
– HOW THE THERMOSTART UNIT WORKS
– ENGINE STARTING PROCEDURE
– HOW TO USE THE THERMOSTART
– CHARGING THE FUEL LINE
– FUEL INJECTORS
– REMOVAL OF FLYWHEEL
– REMOVAL OF FLYWHEEL HOUSING
– FUEL TIMING INJECTION PUMP
– SMOKE DIAGNOSIS CHART
– TROUBLESHOOTING THE PERKINS ENGINE
ENGINE SERVICE 975 JOHN DEERE
– GENERAL INFORMATION
– PRELIMINARY ENGINE TESTING
– ENGINE TUNEUP
– TUNEUP PROCEDURE
– DETAILED TUNEUP PROCEDURES
– REMOVAL OF ENGINE
– CYLINDER HEAD, VALVES, CAMSHAFT AND TIMING GEAR TRAIN
– VALVE TRAIN
– CYLINDER HEAD AND VALVES
– INSTALLATION OF CYLINDER HEAD
– ADJUSTMENT OF VALVE CLEARANCE
– CAMSHAFT
– TIMING GEAR TRAIN
– BALANCER SHAFTS
– CYLINDER BLOCK, LINERS, PISTONS AND RODS
– CRANKSHAFT, MAIN BEARINGS AND FLYWHEEL
– LUBRICATION SYSTEM
– COOLING SYSTEM
– FUEL SYSTEM
– SPECIAL TOOLS
TECHNICAL DATA
– 974 LOADER SPECIFICATIONS
– TECHNICAL DATA PERKINS ENGINE
– MANUFACTURING DATA AND DIMENSIONS
– TIMING GEARS
– LUBRICATION SYSTEM
– COOLING SYSTEM
– BALANCE UNIT
– OIL PUMP Center Mounted Balancer Unit
– FUEL SYSTEM
– PERKINS DIESEL SERVICE TOOLS
– 975 LOADER SPECIFICATIONS
– TECHNICAL DATA JOHN DEERE
– ENGINE BREAKIN INSTRUCTIONS After overhaul
– LOADER TORQUE SPECIFICATIONS
– DECIMAL AMD MILLIMETER EQUIVALENTS
– U.S. TO METRIC CONVERSION
– STANDERD TORQUE SPECIFICATIONS FOR BOLTS
– LOADER SPECIFICATIONS 974
– LOADER SPECIFICATIONS 975
ALPHABETICAL INDEX
SERVICE BULLETINS
– 900001
– 900002
– 900003
– 900004
– 900005
– 900006
– 900007
– 900008
SERVICE MANUAL REVISIONS
– 9749751
– 9749752
– 9749753
– 9749754
– 9749755
– 9749756
– 9749757
– 9749758
– 9749759
– 97497510
– 97497511
– 97497512
– 97497513
– 97497514
– 97497515