Bobcat 642B Skid-Steer Loader Repair Service Manual - 6570275

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This workshop repair service manual PDF download for the 642B Bobcat Skid-Steer Loader 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 :

Bobcat Loader 642B 


TABLE OF CONTENTS :

PREVENTIVE MAINTENANCE
HYDRAULIC SYSTEM
HYDROSTATIC SYSTEM
DRIVE SYSTEM
MAIN FRAME
ELECTRICAL SYSTEM
ENGINE SERVICE
TECHNICAL DATA
SPECIFICATIONS
SERVICE MANUAL REVISIONS


MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
P/N : 6570275 (4–86)
Total Pages : 228


This 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 !!!! 

Instant Download means there is NO shipping costs or waiting for a CD or paper manual to arrive in the mail! You will receive this manual TODAY via Instant Download on completion of payment via our secure payment processor. We accept ALL major credit/debit cards/paypal.

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MAINTENANCE SAFETY
CONTENTS
    FOREWORD
    SAFETY INSTRUCTIONS
    SERIAL NUMBER LOCATIONS
    LOADER SERIAL NUMBER
    ENGINE SERIAL NUMBER
    DELIVERY REPORT
    BOBCAT LOADER IDENTIFICATION
    
PREVENTIVE MAINTENANCE
    SERVICE SCHEDULE
    LIFTING AND BLOCKING THE BOBCAT LOADER
        Procedure
    TRANSPORTING THE BOBCAT LOADER
        Procedure
    LIFT ARM STOP
        Procedure
    OPERATORS CAB
        Raising the Operator Cab
        Lowering the Operator Cab
    SEAT BAR SYSTEM
    USING EXTRA BATTERY (JUMP START)
        Procedure
        Seat Bar Description
        Seat Bar Inspection
        Seat Bar Maintenance
    REMOTE START SWITCH
        Procedure
        
HYDRAULIC SYSTEM
    HYDRAULIC / HYDROSTATIC SCHEMATICS
    TROUBLESHOOTING
    HYDRAULIC SYSTEM INFORMATION
        Flare Connections
        Straight Thread O–ring Fitting
        Tubelines and Hoses
    LIFT CYLINDER
        Checking the Lift Cylinder(s)
        Removal and Installation
    TILT CYLINDER
        Checking the Tilt Cylinder
        Removal and Installation
        Rod End Seal
    HYDRAULIC CONTROL VALVE
        Checking the Main Relief Valve with Auxiliary Couplers (Opt.)
        Checking The Main Relief Valve W/O Auxiliaries
        Main Relief Valve Removal And Installation
        Adjusting The Main Relief Valve
        Removal And Installation
    HYDRAULIC PUMP
        Checking The Output Of The Hydraulic Pump
        Removal And Installation
    PORT BLOCK
        Removal And Installation
        Cold Weather By–Pass Valve
        Case Drain Relief Valve
    HYDRAULIC FLUID FILTER HOUSING
        Removal and Installation
        Sender Switch
    HYDRAULIC FLUID RESERVOIR
        Removal And Installation
    HYDRAULIC CONTROL PEDALS
        Removal And Installation
        Adjustment
    PEDAL LOCK LINKAGE
        Adjustment
        
HYDROSTATIC SYSTEM
    TROUBLESHOOTING
        Chart
    HYDROSTATIC SYSTEM INFORMATION
        High Pressure Relief/Replenishing Valve Function
    FRONT PANEL
        Removal And Installation
    STEERING LEVERS
        Removal And Installation
        Repairing The Steering Levers
    STEERING LINKAGE
        Steering Linkage Adjustment
        Removal And Installation 
        Repairing The Pintle Lever
    HYDROSTATIC MOTOR
        Removal And Installation
    HYDROSTATIC PUMP
        Checking Charge Pressure
        Charge Pressure Relief Valve
        Checking High Pressure Relief Valves
        Removal And Installation
        High Pressure Hose Routing
        Tow Valves
        
DRIVE SYSTEM
    PARKING BRAKE
        Adjustment
        Removal and Installation
        Block and Pucks
    AXLES, SEALS AND BEARINGS
        Removal
        Installation
    FINAL DRIVE CHAIN
        Removal
        Installation
    CHAINCASE FLUID
        Replacing the Chaincase Fluid
        
MAIN FRAME
    OPERATOR CAB
        Removal And Installation
    OPERATOR CAB GAS CYLINDER
        Removal And Installation
    REAR DOOR
        Door Latch Adjustment
        Removal And Installation
    LIFT ARMS
        Removal And Installation
    BOB–TACH FRAME (40 Series)
        Removal and Installation
        Tilt Cylinder Rod End Seal
        Disassembly and Assembly
    BOB–TACH (50 Series)
        Removal And Installation
        Bob–Tach Lever And Wedge
    FUEL TANK
        Removal And Installation
        
ELECTRICAL SYSTEM
    ELECTRICAL SCHEMATICS
    ELECTRICAL SYSTEM
        Description
    TROUBLESHOOTING
        Chart
    BATTERY
        Checking The Battery
        Removal And Installation
    ALTERNATOR
        Checking The Alternator Output
        Checking the Alternator Regulator
        Removal and Installation
        Disassembly And Assembly
    STARTER
        Checking The Starter
        Removal And Installation
        Disassembly And Assembly
        Cleaning and Inspection
        Replacing the Brushes
        
ENGINE SERVICE
    TROUBLESHOOTING
        Chart
    VALVE CLEARANCE
        Adjustment
    ENGINE COMPRESSION
        Checking
    IGNITION TIMING
        Procedure
    DISTRIBUTOR
        Removal And Installation
        Point Gap Adjustment
        Disassembly And Assembly
        Checking Centrifugal Advance
        Checking Vacuum Advance
    CARBURETOR
        Description
        Removal And Installation
        Disassembly And Assembly
        Inspection
        Adjustment
        Governor Adjustment
        Governor Oil Level
    FUEL PUMP
        Removal And Installation
        Inspection
        Check The Fuel Pump
        Fuel Filter
    ENGINE BELT SHIELD
        Removal And Installation
    REAR GRILL
        Removal and Installation
    ENGINE
        Removal And Installation
    OIL COOLER AND BLOWER HOUSING
        Removal And Installation
    RADIATOR
        Removal And Installation
    ENGINE MUFFLER
        Removal And Installation
    ENGINE FLYWHEEL AND U–JOINT
        Removal And Installation
        Flywheel Ring Gear
    ROCKER ARMS
        Removal
        Inspection
        Installation
    CAMSHAFT
        Removal And Installation
        Inspection
    CYLINDER HEAD
        Removal And Installation
        Inspection
    VALVES
        Removal
        Installation
        Reconditioning The Valve And Valve Seat
        Valve Seat Inserts
        Valve Guide
        Valve Spring
    PISTON AND CONNECTING ROD
        Removal
        Disassembly
        Inspection
        Assembly
        Installation
    PISTON PIN
        Assembly Of The Tool
        Removal Of The Piston Pin
        Installation Of The Piston Pin
    CYLINDER LINERS
        Checking
    CRANKSHAFT AND MAIN BEARINGS
        Description
        Removal
        Checking
        Checking Oil Clearance (Plastic Gauge)
        Installation
        Crankshaft End Play
        Rear Oil Seal
    TIMING BELT
        Adjustment
        Removal
        Inspection
        Assembly
    FRONT CASE AND OIL PAN
        Removal And Installation
    OIL PUMP
        Removal
        Inspection
        Installation
        Relief Valve
    FRONT CASE SEAL
        Removal And Installation
    WATER PUMP
        Removal And Installation
        Inspection
    THERMOSTAT
        Removal And Installation
        Inspection
    ANTI–DIESEL SYSTEM
        Function
        Removal and Installation
        
SPECIFICATIONS
    LOADER SPECIFICATIONS
        OPERATIONS & PERFORMANCE
        ENGINE
        HYDRAULIC SYSTEM
        ELECTRICAL
        DRIVE SYSTEM
        CAPACITIES
        TIRES
    ENGINE SPECIFICATIONS
        General
        Cylinder Head
        Cylinder Block
        Piston
        Piston Pin 
        Connecting Rod
        Crankshaft
        Flywheel
        Camshaft
        Valve Train
        Valve Guide
        Valve Spring
        Rocker Arm and Shaft
        Oil Pump
        Fuel Pump
        Carburetor
        Water Pump
        Thermostat
        Starter
        Alternator
        Distributor
        Spark Plug
        Engine Torque
    TORQUE FOR GENERAL METRIC BOLTS
    TORQUE SPECIFICATIONS FOR LOADER
    HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS
        Specifications
    DECIMAL AND MILLIMETER EQUIVALENTS
    U.S. TO METRIC CONVERSION
    STANDARD TORQUE SPECIFICATIONS FOR BOLTS
    
SERVICE MANUAL REVISIONS
    642B-1
    642B-2
    642B-3
    642B-4
    642B-5
    642B-6
    642B-7
    642B-8
    642B-9
    642B-10
    
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