Manual

Bobcat 873 Skid-Steer Loader Repair Service Manual – 6724280

Download Ebook

(S/N 514114999 & Below) (S/N 514212999 & Below)
– 
This workshop repair service manual PDF download for the 873 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 873 

S/N: 514114999 & Below
S/N: 514212999 & Below

TABLE OF CONTENTS :

MAINTENANCE SAFETY
ALPHABETICAL INDEX
PREVENTIVE MAINTENANCE
HYDRAULIC SYSTEM
HYDROSTATIC SYSTEM
DRIVE SYSTEM
MAIN FRAME
ELECTRICAL SYSTEM
ENGINE SERVICE
SYSTEMS ANALYSIS
SPECIFICATIONS
SERVICE MANUAL REVISIONS

MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
P/N : 6724280 (7-10)
Total Pages : 508

This 864, 864H Bobcat Loader 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 !!!! 

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MAINTENANCE SAFETY
ALPHABETICAL INDEX
CONTENTS
    FOREWORD
    SAFETY INSTRUCTIONS
    SERIAL NUMBER LOCATIONS
    LOADER SERIAL NUMBER
    ENGINE SERIAL NUMBER
    DELIVERY REPORT
    BOBCAT LOADER IDENTIFICATION
    OPTIONS AND ACCESSORIES
PREVENTIVE MAINTENANCE
    SERVICE SCHEDULE
    LIFTING AND BLOCKING THE LOADER
        Procedure
    TRANSPORTING THE LOADER
        Procedure
    TOWING THE LOADER
        Procedure
    STOPPING THE BOBCAT LOADER
        Procedure
    LIFT ARM SUPPORT DEVICE
        To Install The Lift Arm Support Device
        To Remove The Lift Arm Support Device
    OPERATOR CAB
        Description
        Raising The Operator Cab
        Lowering The Operator Cab
        Emergency Exit
    SEAT BAR RESTRAINT SYSTEM
        Description
        Seat Bar Inspection
        Seat Bar Maintenance
    AIR CLEANER SERVICE
        Replacing Filter Element
    FUEL SYSTEM
        Fuel Specifications
        Filling The Fuel Tank
        Fuel Filter
        Removing Air From The Fuel System
    ENGINE LUBRICATION SYSTEM
        Checking Engine Oil
        Replacing Oil And Filter
    ENGINE COOLING SYSTEM
        Cleaning Cooling System (S/N 514111516 – 514114999)
        Cleaning The Cooling System (S/N 514111515 & Below)
    ALTERNATOR BELT
        Adjusting The Alternator Belt
    HYDRAULIC/HYDROSTATIC SYSTEM
        Checking And Adding Fluid
        Hydraulic/Hydrostatic Filter Replacement
        Replacing Hydraulic Fluid
    TIRE MAINTENANCE
        Wheel Nuts
        Tire Rotation
        Tire Mounting
    FINAL DRIVE TRANSMISSION (CHAINCASE)
        Checking And Adding Oil
    FAN GEARBOX
        Checking And Maintaining
    LUBRICATING THE LOADER
        Procedure
    REMOTE START SWITCH
        Procedure
HYDRAULIC SYSTEM
    HYDRAULIC / HYDROSTATIC SCHEMATICS
    TROUBLESHOOTING
    HYDRAULIC SYSTEM INFORMATION
        Flare Connections
        O–ring Face Seal Connection
        Straight Thread O–ring Fitting
        Tubelines And Hoses
    LIFT CYLINDER(S)
        Checking The Lift Cylinder(s)
        Removal And Installation
    TILT CYLINDER(S)
        Checking The Tilt Cylinder(s)
        Removal And Installation
    HYDRAULIC CYLINDER
        Lift Cylinder Identification
        Tilt Cylinder Identification
        Disassembly
        Assembly
    MAIN RELIEF VALVE
        Checking The Main Relief Valve
        Checking The Main Relief Valve Without Auxiliaries
        Removal And Installation
    HYDRAULIC CONTROL VALVE
        Removal And Installation
        Identification Chart
        Disassembly And Assembly
        Load Check Valve
        Main Relief Valve
        Port Relief Valve
        Anti–Cavitation Valve
        Rubber Boot
        Lift Spool And Detent
        Tilt Spool And Centering Spring
        Auxiliary Spool
        Auxiliary Electric Solenoid
        H Port – Auxiliary Section
        Base End Restrictor
        Inspection
        Spool Seal Installation
    HYDRAULIC PUMP
        Checking The Output Of The Pump
        Removal And Installation
        Parts Identification
        Disassembly
        Inspection
        Assembly
    HYDRAULIC FLUID RESERVOIR
        Draining The Fluid Reservoir
        Removal And Installation
    HYDROSTATIC FILTER HOUSING
        Removal And Installation
    HYDRAULIC FILTER HOUSING
        Removal And Installation
    HYDRAULIC/HYDROSTATIC FILTER HOUSING BRACKET
        Removal And Installation
    CONTROL PEDALS
        Removal And Installation
        Pedal Adjustment
    PEDAL INTERLOCK LINKAGE
        Removal And Installation
        Pedal Interlock Linkage Adjustment
    FRONT SIDE PANEL
        Removal And Installation
    REAR AUXILIARY DIVERTER
        Disassembly
        Inspection
        Solenoid Testing
        Assembly
HYDROSTATIC SYSTEM
    TROUBLESHOOTING
    HYDROSTATIC SYSTEM INFORMATION
        Replenishing Valve Function
    FRONT PANEL
        Removal And Installation
    STEERING LEVERS
        Disassembly And Assembly
        Pre–Adjustment Checks
        Adjusting Lever Freeplay
        Adjusting The Wheel RPM Forward Compared To Reverse Travel
        Adjusting The Steering Neutral Setting
        Adjusting The Wheel RPM Left Compared To Right Side
    HYDROSTATIC MOTOR
        Removal And Installation
        Parts Identification
        Disassembly
        Inspection
        Assembly
    MOTOR CARRIER
        Removal And Installation
        Parts Identification
        Disassembly
        Assembly
    HYDROSTATIC PUMP
        Removal And Installation
        Replenishing/High Pressure Relief Valve
        Parts Identification
        Hydraulic Pump Removal
        Hydrostatic Pump Separation
        Charge Pump Disassembly
        Disassembly
        Inspection
        Assembly
        Charge Pump Assembly
        Hydrostatic Pump Connection
        Hydraulic Pump Installation
        Hydrostatic Pump Neutral Adjustment
    DRIVE BELT SHIELD
        Removal And Installation
    DRIVE BELT
        Adjusting The Drive Belt
        Replacing The Drive Belt
    DRIVE BELT TENSIONER PULLEY
        Removal And Installation
        Tension Spring
    OIL COOLER
        Removal And Installation (*S/N 514111516 – 514114999) (*Also S/N  514111504)
        Removal And Installation (S/N 514111515 & Below)
DRIVE SYSTEM
    BRAKE PEDAL
        Removal And Installation
        Disassembly And Assembly
    BRAKE DISC
        Removal And Installation
        Removal And Installation (New Style Disc)
        Removal And Installation (Old Style Disc)
    FRONT CHAINCASE COVER
        Removal And Installation
    REAR CHAINCASE COVER
        Removal And Installation
    AXLE SEAL
        Removal And Installation
    AXLE, BEARINGS AND SPROCKET
        Removal And Installation
    DRIVE CHAIN
        Removal And Installation
        Removing The Fluid From The Chaincase
MAIN FRAME
    SEAT BAR (W/GAS SPRING)
        Removal And Installation
        Assembly
        Compressing The Gas Cylinder
    SEAT BAR (W/COMPRESSION SPRING)
        Removal And Installation
        Assembling Components
        Compression Spring Disassembly And Assembly
    OPERATOR CAB GAS CYLINDER
        Removal And Installation
        Disassembly And Assembly
    OPERATOR CAB
        Removal And Installation
    OPERATOR SEAT
        Removal And Installation
    BOB–TACH
        Removal And Installation
        Bob–Tach Lever And Wedge
            Pivot Pin Bushing And Seal Replacement
    LIFT ARM STABILIZER BAR
        Removal And Installation
    LIFT ARM LINK
        Removal And Installation
    LIFT ARMS
        Removal And Installation
    REAR GRILL
        Removal And Installation
    REAR DOOR
        Removal And Installation
        Hood Removal And Installation
        Bumper Removal And Installation
        Door Latch Removal And Installation
        Door Latch And Catch Adjustment
    FUEL TANK
        Removal And Installation
        Fuel Level Sender
        Inlet Screen
ELECTRICAL SYSTEM
    ELECTRICAL SCHEMATICS
    TROUBLESHOOTING
    ELECTRICAL SYSTEM INFORMATION
        Description
        Fuse Location
    BATTERY
        Removal and Installation
        Servicing the Electrical System
        Using A Booster Battery (Jump Starting)
    ALTERNATOR
        Alternator Output Test
        Rectifier (Diode) Test
        Alternator Regulator Test
        Removal and Installation
        Disassembly
        Stator Continuity Test
        Stator Ground Test
        Rotor Continuity Test
        Rotor Ground Test
        Rectifier Continuity (Diode) Test
        Assembly
    STARTER
        Removal and Installation
        Parts Identification
        Disassembly and Assembly
        External Pinion
        Inspection and Repair
        Magnetic Switch Test
        No Load Test
    STANDARD INSTRUMENT PANEL
        Removal and Installation
    FRONT LIGHTS
        Removal and Installation
    RELAY SWITCHES
        Location
ENGINE SERVICE
    TROUBLESHOOTING
    ENGINE SPEED CONTROL
        Removal And Installation
        Speed Control Cable
        Speed Control Linkage
    ENGINE MUFFLER
        Removal And Installation
    AIR CLEANER HOUSING
        Removal And Installation
    BLOWER HOUSING/FAN GEARBOX
        Removal And Installation
    FAN DRIVE TENSION PULLEY
        Removal And Installation
    BLOWER FAN
        Removal And Installation
    FAN GEARBOX
        Parts Identification
        Disassembly
        Assembly
        Checking Backlash
    ENGINE/HYDROSTATIC PUMP ASSEMBLY
        Removal And Installation
    ENGINE MOUNTS
        Replacement
    ENGINE
        Removal And Installation
    FLYWHEEL
        Removal And Installation
    FLYWHEEL HOUSING
        Removal And Installation
    GLOW PLUG
        Checking The Glow Plug
    VALVE CLEARANCE
        Adjustment
    FUEL INJECTION PUMP
        Description
        Removal
        Installation
    FUEL INJECTOR
        Removal And Installation
        Checking
        Disassembly
        Assembly
    TIMING BELT
        Inspection
        Removal
        Installation
        Belt Replacement In Loader
    VALVE TIMING
        Checking
    DEUTZ ENGINE TOOLS
        Identification Chart
    RECONDITIONING THE ENGINE
        Disassembly
        Assembly
    CYLINDER LINERS
        Checking The Cylinder Liners
    CAMSHAFT BEARINGS
        Checking
        Removal And Installation
    CONTROL ROD GUIDE BUSHING
        Removal
        Installation
    REAR COVER SEAL
        Removal And Installation
    CRANKSHAFT
        Checking The Crankshaft
    CONNECTING ROD
        Checking The Connecting Rod
    PISTON AND PISTON PIN
        Checking The Piston
        Checking Piston Pin
        Installing Piston Rings
    CYLINDER HEAD
        Disassembly
        Checking The Valves
        Checking Valve Seats
        Valve Spring
        Assembly
    ROCKER ARM AND BRACKET
        Checking
    FRONT COVER
        Disassembly
        Assembly
    TURBOCHARGER
        Removal And Installation
        Disassembly
        Inspection
        Assembly
    POSITIVE CRANKCASE VENTILATION SYSTEM
        Description
        Inspection
        Module Removal And Installation
    OIL COOLER
        Removal and Installation
    CRANKSHAFT GEAR MOUNTING BOLT
        Torque Procedure
SYSTEMS ANALYSIS
    BOBCAT INTERLOCK CONTROL SYSTEM (BICS™)
        Inspecting The BICS™ Controller (Engine STOPPED– Key ON)
        nspecting Deactivation Of The Auxiliary HydraulicsSystem (Engine STOPPED – Key ON)
        Inspecting The Seat And Seat Bar Sensors (Engine RUNNING)
        Inspecting The Traction Lock (Engine RUNNING)
        Inspecting The Lift Arm By–Pass Control
        Maintenance
        Troubleshooting Chart
        Troubleshooting Guide
            BICS SYSTEM CONTROLLER
            TRACTION LOCK
            SEAT SENSOR
            SEAT BAR SENSOR
            LIFT LOCK BY–PASS VALVE
    BICS™ SYSTEM CONTROLLER
        Removal And Installation
        Controller Test
    SEAT BAR SENSOR
        Removal And Installation
        Seat Bar Sensor Test
    SEAT SENSOR
        Removal And Installation
        Seat Sensor Test
    TRACTION LOCK
        Removal And Installation
    LIFT LOCK BY–PASS VALVE
        Removal And Installation
        Disassembly And Assembly
    TILT LOCK VALVE
        Removal And Installation (S/N 514111092 & Below)
        Removal And Installation (S/N 514111093 – 514114999)
        Disassembly And Assembly
    BOSS® DIAGNOSTIC TOOL
        Procedure
    SENDER AND SENSOR
        Service Checks
        Components
    RPM SENSOR
        Adjustment
    MONITOR SERVICE CODES
    TROUBLESHOOTING THE BOSS® & LCD DISPLAY
    OPERATION SENSING SYSTEM UNIT
        Removal And Installation
    BOSS® INSTRUMENT PANEL
        Removal And Installation
    PWM MODULE(*S/N 514111443 –514114999) (*Except S/N 514111445)
        Description
    PWM TROUBLESHOOTING
        Conditions
        Chart
    PWM CONTROL HANDLE
        Handle Testing
    PWM ELECTRIC SOLENOID
        Solenoid Coil Testing
    TRACTION LOCK CONTROL SYSTEM
        Description
        Inspection
        Maintenance
    ELECTRICAL/HYDRAULIC CONTROLS REFERENCE
        Controls Identification Chart
SPECIFICATIONS
    LOADER SPECIFICATIONS
        PERFORMANCE
        CONTROLS
        ENGINE
        HYDRAULIC SYSTEM
        ELECTRICAL
        DRIVE SYSTEM
        CAPACITIES
        TIRES
        FLOOR PRESSURE
    ENGINE SPECIFICATIONS
        General
        Fuel System
        Valve and Valve Guide & Seat Insert
        Piston, Rings and Connecting Rod
        Cylinder Head
        Crankshaft and Main Bearings
        Camshaft and Bearings
        Oil Pump
        Engine Torque Specifications
        Torque for General Metric Bolts
    TORQUE SPECIFICATIONS FOR LOADER
    HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS
    STANDARD TORQUE SPECIFICATIONS FOR BOLTS
    DECIMAL AND MILLIMETER EQUIVALENTS
    U.S. TO METRIC CONVERSION
SERVICE MANUAL REVISIONS
    873–001
    873–002
    873–003
    873–004
    873–005
    873-6

    –
    

 

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Bobcat 873 Skid-Steer Loader Repair Service Manual – 6724280.pdf

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