Bobcat 953 Skid-Steer Loader Repair Service Manual - 6724352

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This workshop repair service manual PDF download for the 953 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 953 


TABLE OF CONTENTS :

FOREWORD 
SAFETY INSTRUCTIONS 
SERIAL NUMBER LOCATIONS 
DELIVERY REPORT 
BOBCAT LOADER IDENTIFICATION 
PREVENTIVE MAINTENANCE 
HYDRAULIC SYSTEM 
HYDROSTATIC SYSTEM 
DRIVE SYSTEM 
MAIN FRAME 
ELECTRICAL SYSTEM 
ENGINE SERVICE 
BICS™ SYSTEM 
SPECIFICATIONS 
SERVICE MANUAL REVISIONS


MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
P/N : 6724352 (11–95)
Total Pages : 342


This 953 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
CONTENTS
    FOREWORD
    SAFETY INSTRUCTIONS
    SERIAL NUMBER LOCATIONS
    LOADER SERIAL NUMBER
    ENGINE SERIAL NUMBER
    DELIVERY REPORT
    953 BOBCAT LOADER IDENTIFCATION
    OPTIONS AND ACCESSORIES
    
PREVENTIVE MAINTENANCE
    SERVICE SCHEDULE
    LIFTING AND BLOCKING THE LOADER
        Procedure
    TRANSPORTING THE LOADER
        Procedure
    TOWING THE LOADER
        Procedure
    LIFT ARM SUPPORT DEVICE
        Engaging the Lift Arm Support Device
        Disengaging 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
    REAR DOOR
        Opening the Rear Door
        Adjusting the Rear Door Latch
    AIR CLEANER SERVICE
        Replacing Filter Element
    FUEL SYSTEM
        Fuel Specifications
        Filling the Fuel Tank
        Fuel Filter
        In–Line Fuel Filter
    ENGINE LUBRICATION SYSTEM
        Checking Engine Oil
        Replacing of Oil and Filter
    ENGINE COOLING SYSTEM
        Checking the Coolant Level
        Propylene Glycol
        Cleaning the Cooling System
        Removing Coolant From the Cooling System
    ALTERNATOR BELT
        Adjusting the Alternator Belt
    USING A BOOSTER BATTERY (JUMP STARTING)
        Procedure
    HYDRAULIC/HYDROSTATIC SYSTEM
        Checking and Adding Fluid
        Hydraulic/Hydrostatic Filter Replacement
        Case Drain Filter
        Hydraulic Fluid Replacement
    SPARK ARRESTOR MUFFLER
        Cleaning Procedure
    EXHAUST GAS PURIFIER (Optional)
        Function
        Cleaning the Exhaust Gas Purifier
    TIRE MAINTENANCE
        Wheel Nuts
        Tire Rotation
        Tire Mounting
    FINAL DRIVE TRANSMISSION (CHAINCASE)
        Checking and Adding Oil
    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
        Checking the Lift Cylinder(s)
        Removal and Installation
        Installation
    TILT CYLINDER
        Checking the Tilt Cylinder(s)
        Removal and Installation
        Tilt Cylinder Base End Pivot Pin
    HYDRAULIC CYLINDER REPAIR
        Disassembly
        Assembly
        Base and Rod End Seals
    JUNCTION PORT BLOCK
        Removal and Installation
    QUICK COUPLERS (BRUNING)
        Disassembly and Assembly
    HYDRAULIC CONTROL VALVE
        Removal and Installation
        Remove Bucket Position Valve
        Disassembly and Assembly
        Valve Spool Linkage End O–ring (All Valve Sections)
            Disassembly and Assembly
        Lift Section Detent and Spool
        Front Auxiliary Detent
        Tilt and Rear Auxiliary Centering Spring
        Anti–Cavitation Valve
        Port Relief
    CHARGE PUMP
        Removal and Installation
        Disassembly and Assembly
    HYDRAULIC PUMP
        Removal and Installation
        Disassembly and Assembly
        Inspection
    HYDRAULIC RESERVOIR
        Removing Fluid from the Reservoir
        Removal and Installation
    HYDRAULIC FILTER
        Removal and Installation
        Disassembly and Assembly
    PORT BLOCK
        Removal and Installation
        Disassembly and Assembly
    BUCKET POSITION VALVE
        Removal and Installation
        Disassembly and Assembly
    FAN MOTOR
        Removal and Installation
        Disassembly and Assembly
        
HYDROSTATIC SYSTEM
    TROUBLESHOOTING
    LIFT AND TILT PEDALS
        Removal and Installation
        Pedal Cable Control Linkage
        Pedal Lock Linkage 
        Adjustment
    STEERING LEVERS AND SHAFT
        Removal and Installation
    HYDROSTATIC MOTOR
        Removal and Installation
        Disassembly and Assembly
        Inspection
    HYDROSTATIC PUMP
        High Pressure and Replenishing Valves
        Checking the High Pressure Relief Replenishing Valve
        Checking Charge Relief Pressure
        Removal and Installation
        Disassembly and Assembly
        Inspection
        Neutral Adjustment
    HYDROSTATIC FILTER
        Removal and Installation
        Disassembly and Assembly
        Case Drain Filter
    DRIVE BELT
        Removal and Installation
        Adjustment
    DRIVE BELT TENSION PULLEY
        Removal and Installation
    CONTROL PANEL
        Removal and Installation
        
DRIVE SYSTEM
    PARKING BRAKE
        Removal and Installation
        Disassembly and Assembly
    PARKING BRAKE DISC
        Removal and Installation
    AXLE SEAL AND WEAR RING
        Removal and Installation
    FRONT AXLE AND SPROCKET
        Removal
        Installation
    REAR AXLE, SPROCKET AND DRIVE CHAIN
        Removal
        Installation
    DRIVE CHAINS
        Front Drive Chain Removal and Installation
        Rear Drive Chains
    REDUCTION GEARCASE
        Removal and Installation
        Disassembly and Assembly
    CHAINCASE FLUID
        Removal
    CHAINCASE COVERS
        Center Chaincase Cover Removal and Installation
        Front Chaincase Cover Removal and Installation
        Rear Chaincase Cover Removal and Installation
        
MAIN FRAME
    OPERATOR CAB
        Removal and Installation
    OPERATOR CAB GAS CYLINDER
        Removal and Installation
    SEAT BAR
        Removal and Installation
        Assembly
        Compressing the Gas Cylinder
    REAR GRILL GAS CYLINDER
        Removal and Installation
    REAR DOOR
        Removal and Installation
    LIFT ARMS
        Removal and Installation
        Installation
    BOB–TACH
        Removal and Installation
        Installation
        Bob–Tach Wedges
        Bob–Tach Lever
    FUEL TANKS
        Removal and Installation, Left Side
        Removal and Installation, Right Side
        Fuel Tank Pick–Up Hose
    MAIN FRAME
        Main Frame Bolts
        
ELECTRICAL SYSTEM
    ELECTRICAL SCHEMATICS
    TROUBLESHOOTING
    ELECTRICAL SYSTEM INFORMATION
        Description
    BATTERY
        Checking the Battery
        Removal and Installation
    ALTERNATOR
        Alternator Output Test
        Rectifier (Diode) Test
        Alternator Regulator Test
        Removal and Installation
        Adjusting the Alternator Belt
        Disassembly
        Stator Continuity Test
        Stator Ground Test
        Rotor Continuity Test
        Rotor Ground Test
        Rectifier Continuity (Diode) Test
        Assembly
    STARTER (S/N 11375 & Below)
        Removal and Installation
        Checking the Starter
        Disassembly and Assembly
        Cleaning and Inspection
        Parts Identification
    STARTER (S/N 11376 & Above)
        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
    VALVE CLEARANCE
        Adjustment
    ENGINE COMPRESSION
        Checking
    FUEL FILTER
        Removal and Installation
    FUEL LIFT PUMP
        Checking
        Removal and Installation
    REMOVING AIR FROM FUEL SYSTEM
        Procedure
    FUEL INJECTION PUMP
        Removal and Installation
    ENGINE TIMING TO INJECTION PUMP
        Procedure
    CHECKING TIMING MARK ON INJECTION PUMP FLANGE
        Procedure
    FUEL INJECTOR NOZZLES
        Removal and Installation
    ENGINE
        Removal and Installation
    RADIATOR AND OIL COOLER
        Removal and Installation
    ENGINE MUFFLER
        Removal and Installation
    EXHAUST GAS PURIFIER (Optional)
        Function
        Cleaning the Exhaust Gas Purifier
    ENGINE MOUNTS
        Removal and Installation
    ENGINE FLYWHEEL
        Flywheel Ring Gear
    CYLINDER HEAD
        Removing The Cylinder Head
        Cylinder Head Surface Alignment
        Installing The Cylinder Head
    VALVES
        Removal Of The Valves
        Reconditioning The Valves And Valve Seats
        Installing Valve Guides
        Installing The Valve Seats
        Checking The Valve Springs
    ROCKER ARMS
        Disassembly
        Assembly
    PISTON AND CONNECTING RODS
        Removal
        Disassembly
        Inspection
        Installation
    CYLINDER LINERS
        Removal
        Installation
    MAIN BEARING
        Removal
        Installation
        Crankshaft End Play
    CRANKSHAFT
        Removal
        Checking
        Installation
    REAR MAIN OIL SEAL
        Removal and Installation
    TIMING CASE COVER
        Removal and Installation
    IDLER GEAR AND HUB
        Removal and Installation
    CAMSHAFT GEAR
        Removal and Installation
    FUEL INJECTION PUMP GEAR
        Removal and Installation
        Installation
    CRANKSHAFT GEAR
        Removal
    TIMING CASE
        Removal and Installation
        Installation
    CAMSHAFT
        Removal and Installation
        Inspection
        Installation
    WATER PUMP
        Disassembly of Water Pump
        Inspection of the Water Pump
        Assembly of the Water Pump
    LUBRICATION SYSTEM
        Description
    BALANCER UNIT
        Removal and Installation
        Engine Timing to Balancer Unit
        Oil Pump Removal and Installation
        Oil Pump Inspection
        Oil Pump Relief Valve
        Disassembly and Assembly
        Inspection
        
BICS™ SYSTEMS
    BOBCAT INTERLOCK CONTROL SYSTEM (BICS™)
        Inspecting the BICS™ System Controller (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
        Disassembly and Assembly
        
SPECIFICATIONS
    SKID STEER LOADER SPECIFICATIONS
        PERFORMANCE
        CONTROLS
        ENGINE
        HYDRAULIC SYSTEM
        ELECTRICAL
        DRIVE SYSTEM
        CAPACITIES
        TIRES
        FLOOR PRESSURE
        VIBRATION DATA
    ENGINE SPECIFICATIONS
        Cylinder Head
        Valve Guides
        Exhaust Valves
        Intake Valves
        Valve Springs
        Rocker Arms & Tappets
        Piston & Piston Rings
        Connecting Rod, Piston Pin & Bushing
        Cylinder Block & Liners
        Crankshaft, Main, Connecting Rod Bearings & Thrust Washer
        Camshaft & Thrust Washer
        Timing Case & Timing Gears
        Oil Pump, Gear & Relief Valve
        Cooling System & Water Pump
        Fuel Lift Pump, Injection Pump & Injectors
        De–Rating for Altitude
        Balance Unit (Center Mounted)
        Crankshaft Re–Grind Data
        Engine Torque
        Service Wear Limits
    HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS
    DECIMAL AND MILLIMETER EQUIVALENTS
    U.S. TO METRIC CONVERSION
    STANDARD TORQUE SPECIFICATIONS FOR BOLTS
    
SERVICE MANUAL REVISIONS
    950–1
    950–2
    
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