Bobcat 7753 Skid-Steer Loader Repair Service Manual - 6720899

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This workshop repair service manual PDF download for the 7753 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 7753 


TABLE OF CONTENTS :

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


MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
P/N : 6720899 (6–91)
Total Pages : 332


This 7753 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
    BOBCAT LOADER IDENTIFICATION
    
PREVENTIVE MAINTENANCE
    SERVICE SCHEDULE
    LIFTING AND BLOCKING THE LOADER
        Procedure
    TRANSPORTING THE LOADER
        Procedure
    SINGLE POINT LIFT
    LIFT ARM SUPPORT DEVICE
        Installing Lift Arm Support Device
        Removing 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
        (Standard)
        (Optional)
        Replacing the 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 of Oil and Filter
    COOLING SYSTEM
        Cleaning the Cooling System
        Checking the Coolant Level
        Removing Coolant from the Cooling System
    ALTERNATOR BELT
        Adjusting the Alternator Belt
    USING A BOOSTER BATTERY (JUMP STARTING)
        Procedure
    BATTERY
        Removal and Installation
    HYDRAULIC/HYDROSTATIC SYSTEM
        Checking and Adding Fluid
        Replacing the Hydraulic/Hydrostatic Filter
        Checking the Hydraulic Reservoir Breather Cap
        Replacing the Hydraulic Fluid
    SPARK ARRESTOR MUFFLER
        Cleaning Procedure
    TIRE MAINTENANCE
        Wheel Nuts
        Tire Rotation
        Tire Mounting
    FINAL DRIVE TRANSMISSION (CHAINCASE)
        Checking and Adding Oil
        Removing Oil from the Chaincase
    FAN GEARBOX
        Checking Grease Level
    DRIVE BELT
        Adjustment
        Drive Belt Replacement
        Adjusting the Drive Belt With The Spring Loaded Drive Idler
        Replacing The Drive Belt With The Spring Loaded Drive Idler
    LUBRICATION OF THE BOBCAT LOADER
        Procedure
    PIVOT PINS
    REMOTE START SWITCH
        Procedure
    DIAGNOSTIC TOOL
        Procedure
    SENDER AND SENSOR
        Service Checks
        Component
    MONITOR SERVICE CODES
    TROUBLESHOOTING THE BOSS® & LCD DISPLAY
    
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
        Checking the Tilt Cylinder
        Removal and Installation
        Rod End Seal
        Checking the Main Relief Valve
        Main Relief Valve Removal and Installation
        Removal and Installation
    HYDRAULIC PUMP
        Checking the Output of the Pump
        Removal and Installation (Early Models)
        Removal and Installation (Later Models)
    HYDRAULIC FILTER HOUSING
        Removal and Installation
    HYDRAULIC FLUID RESERVOIR
        Removal and Installation
    CONTROL PEDALS
        Removal and Installation
        Adjustment
    PEDAL INTERLOCK SHIELD AND LINKAGE
        Removal and Installation
        Adjustment
        
HYDROSTATIC SYSTEM
    TROUBLESHOOTING
    HYDROSTATIC SYSTEM INFORMATION
        Replenishing Valve Function
    FRONT PANEL
        Removal and Installation
    STEERING LEVERS
        Disassembly and Assembly
    STEERING LINKAGE (S/N 30758 & Below)
        Steering Linkage Adjustment
        Removal & Installation
        Centering Plate
        Pintle Arm Removal and Installation
        Pintle Arm Lobe Removal and Installation
    STEERING LINKAGE (S/N 30759 & Above)
        Removal and Installation
        Steering Linkage Adjustment
        Steering Neutral Adjustment
    HYDROSTATIC MOTOR
        Removal and Installation
    HYDROSTATIC PUMP
        Removal and Installation
    OIL COOLER
        Removal and Installation
    DRIVE BELT TENSIONER PULLEY
        Disassembly
        Assembly
        Checking Pulley End Play
    SPRING LOADED DRIVE BELT IDLER
        Removal And Installation
        Parts Identification
        Disassembly
        Assembly
        
DRIVE SYSTEM
    PARKING BRAKE
        Adjustment
        Removal and Installation
        Brake Block and Pads
        Brake Discs
    CENTER TRANSMISSION COVER
        Installation
    FRONT CHAINCASE COVER
        Removal and Installation
    MOTOR CARRIER (Later Models)
        Shaft Seal Replacement
        Early Models
        Removal and Installation
        Disassembly and Assembly
    AXLE HUB AND SEAL
        Removal and Installation
    AXLE, SPROCKET AND BEARINGS
        Removal and Installation
    DRIVE CHAIN
        Removal and Installation
    CHAINCASE FLUID
        Replacing the Chaincase Fluid
        
MAIN FRAME
    OPERATOR CAB GAS CYLINDER
        Removal and Installation
        Disassembly and Assembly
    OPERATOR CAB
        Removal and Installation
    REAR DOOR
        Removal and Installation
    REAR GRILL
        Removal and Installation
    SEAT BAR
        Removal
        Installation
    BOB–TACH
        Removal and Installation
        Bob–Tach Lever and Wedge
    LIFT ARM LINK
        Removal and Installation
    LIFT ARMS
        Removal and Installation
    FUEL TANK
        Removal and Installation
        Fuel Level Sender
        
ELECTRICAL SYSTEM
    ELECTRICAL SCHEMATICS
    ELECTRICAL SYSTEM INFORMATION
        Description
    TROUBLESHOOTING
    BATTERY
        Removal and Installation
    ALTERNATOR
        Checking the Alternator Output (Old Style)
        Checking the Alternator Regulator (Old Style)
        Alternator Output Test (New Style)
        Rectifier (Diode) Test (New Style)
        Alternator Regulator Test (New Style)
        Removal and Installation (Old Style)
        Disassembly (Old Style)
        Checking The Rotor (Old Style)
        Checking The Stator (Old Style)
        Checking The Rectifier (Old Style)
        Disassembly (New Style)
        Stator Continuity Test (New Style)
        Stator Ground Test (New Style)
        Disassembly (New Style)
        Rotor Ground Test (New Style)
        Rectifier Continuity (Diode) Test (New Style)
    STARTER
        Checking the Starter
        Removal and Installation
        Disassembly and Assembly
        Cleaning and Inspection
        Parts Identification
    OPERATING SYSTEM UNIT
        Removal and Installation
    INSTRUMENT PANEL
        Removal and Installation
        
ENGINE SERVICE
    TROUBLESHOOTING
    RADIATOR
        Removal and Installation
    ENGINE MUFFLER
        Removal and Installation
    BLOWER HOUSING/FAN GEARBOX
        Removal and Installation
    FAN GEAR BOX
        Disassembly
            Long Housing
            Short Housing
        Assembly
            Long Housing
            Short Housing
        Checking Backlash
        Parts Identification
    TENSION PULLEY
        Removal and Installation
    AIR CLEANER
        Removal And Installation
    ENGINE
        Removal and Installation
    FLYWHEEL
        Removal and Installation
        Flywheel Ring Gear
    BELT SHIELD
        Removal and Installation
    VALVE CLEARANCE
        Adjustment
    ENGINE COMPRESSION
        Checking
    GLOW PLUGS
        Removal and Installation
        Checking
    FUEL INJECTION PUMP
        Checking the Injection Pump
        Adjusting Shut–Off Linkage
        Removal and Installation
        Timing the Injection Pump
    FUEL INJECTION NOZZLES
        Removal and Installation
        Checking the Injector Nozzle
    CYLINDER HEAD
        Removal and Installation
        Disassembly and Assembly
        Servicing the Cylinder Head
        Top Clearance
    VALVE, VALVE SEAT AND GUIDE
        Checking the Valve Guide
        Reconditioning the Valve and Valve Seat
        Valve Spring
    ROCKER ARM AND SHAFT
        Checking
    TIMING GEARCASE COVER
        Removal and Installation
    IDLER GEAR AND CAMSHAFT
        Removal and Installation
        Servicing the Camshaft
        Servicing the Idler Gear and Shaft
    TIMING GEARS
        Checking Backlash
    FUEL CAMSHAFT
        Removal and Installation
        Governor
    CRANKSHAFT GEAR
        Removal and Installation
    OIL PUMP
        Removal and Installation
        Oil Pump Service
        Checking Engine Oil Pressure
        Relief Valve
    PISTON AND CONNECTING ROD
        Removal and Installation
        Servicing the Piston and Connecting Rod
        Connecting Rod Alignment
    CRANKSHAFT AND BEARINGS
        Removal and Installation
        Servicing the Crankshaft and Bearings
    CYLINDER BORE
        Checking the Cylinder Bore
    WATER PUMP
        Disassembly and Assembly
        
SPECIFICATIONS
    LOADER DIMENSIONS
    OPERATIONS & PERFORMANCE
    ENGINE
    HYDRAULIC SYSTEM
    ELECTRICAL
    DRIVE SYSTEM
    CAPACITIES
    TIRES
    ENGINE SPECIFICATIONS
        Fuel Injector Nozzles
        Fuel Injection Pump
        Cylinder Head
        Valves
        Valve Springs
        Valve Timing
        Rocker Arms
        Camshaft
        Tappet
        Cylinders
        Piston Rings
        Pistons
        Connecting Rod
        Oil Pump
        Crankshaft
        Timing Gear
        Thermostat
        Crankshaft Re–Grind Data
        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
    7753–001
    7753–002
    7753–003
    7753–004
    7753–005
    7753–006
    7753–007
    7753–008
    7753–009
    7753–010
    7753–011
    
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