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Bobcat 553 Skid-Steer Loader Repair Service Manual - 6903125


(S/N: 528011001 & Above - S/N: 528111001 & Above) 

This workshop repair service manual PDF download for the 553 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 553 
S/N: 528011001 & Above
S/N: 528111001 & Above


TABLE OF CONTENTS :

FOREWORD
SAFETY INSTRUCTIONS 
FIRE PREVENTION 
SERIAL NUMBER LOCATION 
DELIVERY REPORT 
BOBCAT LOADER IDENTIFICATION 
SAFETY AND MAINTENANCE
HYDRAULIC SYSTEM 
HYDROSTATIC SYSTEM 
DRIVE SYSTEM 
MAIN FRAME 
ELECTRICAL SYSTEM 
ENGINE SERVICE 
SPECIFICATIONS
SERVICE MANUAL REVISION


MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
P/N : 6903125 (2-06)
Total Pages : 409


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
ALPHABETICAL INDEX
CONTENTS
    SAFETY INSTRUCTIONS
        Fire Prevention
    SERIAL NUMBER LOCATION
        Loader Serial Number
        Engine Serial Number
    DELIVERY REPORT
    BOBCAT LOADER IDENTIFICATION
    
SAFETY AND MAINTENANCE
    LIFTING AND BLOCKING THE LOADER
        Procedure
    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
    TRANSPORTING THE BOBCAT LOADER
        Procedure
        Stopping The Bobcat Loader
    TOWING THE LOADER
        Procedure
    REMOTE START
        Procedure
    SERVICE SCHEDULE
        Chart
    AIR CLEANER SERVICE
        Replacing Filter Element
    ENGINE COOLING SYSTEM
        Cleaning The Cooling System
        Checking The Coolant Level
        Replacing The Coolant
    FUEL SYSTEM
        Fuel Specifications
        Filling The Fuel Tank
        Fuel Filter
        Removing Air From The Fuel System
    ENGINE LUBRICATION SYSTEM
        Checking Engine Oil
        Oil Chart
        Replacing Oil And Filter
    HYDRAULIC/HYDROSTATIC SYSTEM
        Description
        Checking And Adding Fluid
        Replacing The Hydraulic/Hydrostatic Filter
        Replacing Hydraulic Fluid
    FINAL DRIVE TRANSMISSION (CHAINCASE)
        Checking And Adding Oil
    AUXILIARY CONTROL LOCKBOLT
        Removal
    BOB-TACH
        Inspection And Maintenance
    LUBRICATION OF THE BOBCAT LOADER
        Procedure
    TIRE MAINTENANCE
        Wheel Nuts
        Rotating
        Mounting
    SPARK ARRESTOR MUFFLER
        Cleaning Procedure
    PIVOT PINS
        Procedure
    SEAT BAR RESTRAINT SYSTEM
        Description
        Seat Bar Inspection
        Seat Bar Maintenance
    RUBBER COUPLER LUBRICATION
        Procedure
        
HYDRAULIC SYSTEM
    HYDRAULIC/HYDROSTATIC SCHEMATICS
    HYDRAULIC SYSTEM INFORMATION
        Tighten Procedures
        Troubleshooting Chart
    CYLINDER (LIFT)
        Checking
        Removal And Installation
        Identification
        Disassembly And Assembly
    CYLINDER (TILT)
        Checking
        Removal And Installation
        Identification
        Disassembly And Assembly
    MAIN RELIEF VALVE
        Checking The Main Relief Valve Without Auxiliaries
        Checking The Main Relief Valve With Auxiliaries
        Removal and Installation
    HYDRAULIC CONTROL VALVE
        Removal And Installation
        Identification Chart
        Disassembly And Assembly
        Load Check Valve
        Main Releif Valve
        Anti-Cavitation Check Valve
        Port Relief Valve
        Rubber Boot (Lift)
        Rubber Boot (Tilt)
        Rubber Boot (Aux.)
        Lift Spool Detent
        Tilt Centering Spring
        Auxiliary Spool Detent
        One Way Restrictors
        Inspection
        Spool Seal Installation
    LIFT ARM BY-PASS CONTROL VALVE
        Inspecting
        Removal and Installation
        Disassembly and Assembly
    TILT LOCK VALVE
        Removal And Installation
        Disassembly and Assembly
    HYDRAULIC PUMP
        Check The Output Of The Hydraulic Pump
        Removal And Installation
        Identification
        Disassembly And Assembly
        Inspection
    HYDRAULIC FILTER HOUSING
        Removal and Installation
    HYDRAULIC FLUID RESERVOIR
        Removal and Installation
        
HYDROSTATIC SYSTEM
    HYDROSTATIC SYSTEM INFORMATION
        Troubleshooting Chart
        Replenishing Valve Function
    CONTROL PANEL
        Removal and Installation
    STEERING
        Lever Removal and Installation
        Lever Disassembly And Assembly
        Linkage Removal And Installation
        Pintle Lever Disassemby And Assembly
        Linkage Neutral Adjustment
    HYDROSTATIC MOTOR
        Removal And Installation
        Parts Identification
        Disassembly And Assembly
        Inspection
        Timing The Hydrostatic Motor
    PORT BLOCK
        Removal And Installation
        Oil Cooler By-Pass Valve
        Hydraulic Oil Temperature Switch
        Charge Pressure By-Pass Valve
    HYDROSTATIC PUMP
        Checking Charge Pressure
        Removal And Installation
        Drive Coupler Removal And Installation
        Parts Identification
        Disassembly And Assembly
        Inspection
    OIL COOLER
        Removal and Installation
        
DRIVE SYSTEM
    PARKING BRAKE
        Disk Removal And Installation
        Traction Lock Guides Removal And Installation
    DRIVE COMPONENTS
        Axle Seal Removal And Installation
        Axle, Bearing, And Sprocket Removal And Installation
        Chain Removal And Installation
    CHAINCASE
        Removing Oil From The Chaincase
        Front Cover Removal And Installation
        Rear Cover Removal And Installation
        
MAIN FRAME
    SEAT BAR
        Removal And Installation
        Assembling Components
        Compression Spring Disassembly And Assembly
    OPERATOR CAB
        Gas Cylinder Removal And Installation
        Gas Cylinder Disassembly And Assembly
        Removal And Installation
    OPERATOR SEAT
        Removal And Installation
        Seat Belt Removal And Installation
    BOB-TACH
        Removal And Installation
        Bob-Tach Lever And Wedge
    LIFT ARM
        Removal And Installation
    REAR GRILL
        Removal And Installation
    REAR DOOR
        Removal And Installation
        Striker Removal and Installation
        Striker Disassembly and Assembly
        Adjusting The Striker
        Latch Removal and Installation
    FUEL TANK
        Removal And Installation
        Fuel Level Sender
    CONTROL PEDALS
        Removal And Installation
        Pedal Adjustment
        Pedal Interlock Linkage Removal And Installation
        Pedal Interlock Linkage Adjustment
        Crossbar Linkage Removal And Installation
        
ELECTRICAL SYSTEM
    ELECTRICAL SCHEMATICS
    ELECTRICAL SYSTEM INFORMATION
        Troubleshooting
        Description
        Fuse Location
        Relay Switches Location
    BATTERY
        Removal And Installation
        Using A Booster Battery (Jump Starting)
    ALTERNATOR
        Removal And Installation
        Adjusting The Alternator Belt
        Description
        Tests
        Alternator Output Test
        Full Field Test
        Alternator Regulator Test
        Alternator Regulator Test Using Voltmeter
        Parts Identification
        Pulley Removal And Installation
        Disassembly And Assembly
        Rotor Continuity Test
        Stator Continuity Test
        Rectifier Continuity (Diode) Test
        Brush Length
    STARTER
        Removal And Installation
        Checking The Starter In The Loader
        Parts Identification
        Disassembly
        Inspection And Repair
        No Load Test
        Assembly
    INSTRUMENT PANEL
        Removal And Installation
    LIGHTS
        Front Removal And Installation
    BICS™ SYSTEM CONTROLLER
        Trouble Shooting Guide
        Removal And Installation
    BICS™ SYSTEM (WITH PRESS TO OPERATE BUTTON)
        Inspecting The BICS™ Controller (Engine STOPPED - Key ON)
        Inspecting Deactivation Of The Auxiliary Hydraulics System (Engine STOPPED - Key ON)
        Inspecting The Seat Bar Sensor (Engine RUNNING)
        Inspecting The Traction Lock (Engine RUNNING)
        Inspecting The Lift Arm By-Pass Control
        Additional Inspection For Loaders With Advanced Hand Controls
        Troubleshooting Chart
    SEAT BAR SENSOR
        Troubleshooting Guide
        Seat Bar Sensor Test
        Removal And Installation
        BICS™ Controller Seat Bar Sensor Circuit Test
    TRACTION LOCK
        Troubleshooting Guide
        Removal And Installation
        
ENGINE SERVICE
    TROUBLESHOOTING
        Chart
    ENGINE SPEED CONTROL
        Removal And Installation
        Disassembly
        Linkage Bar Removal And Installation
    ENGINE SPEED CONTROL PLATE
        Removal And Installation
        Governor Spring Removal
        Start Spring Removal
        Idle Limit And Fuel Limit Adjustment
    MUFFLER
        Removal And Installation
    AIR CLEANER
        Removal And Installation
    RADIATOR
        Removal And Installation
    BLOWER FAN HOUSING
        Removal And Installation
    ENGINE COMPONENTS AND TESTING
        Compression Checking
        Glow Plugs Checking
        Glow Plugs Removal And Installation
        Fuel Shut-Off Solenoid, Removal And Installation
        Fuel Lift Pump Removal And Installation
        Fuel Injection Pump, Checking
        Fuel Injection Pump Removal And Installation
        Timing The Injection Pump
        Fuel Injector Nozzles Removal And Installation
        Checking Fuel Injector Nozzles
        Breather Removal And Installation
        Valve Clearance Adjustment
    ENGINE
        Removal And Installation
        Engine Mounting Brackets Removal And Installation
    FLYWHEEL
        Removal And Installation
        Flywheel Ring Gear
        Housing Removal And Installation
    RECONDITIONING THE ENGINE
        Thermostat Removal And Installation
        Water Pump Removal And Installation
        Timing Gear Case Cover Removal And Installation
        Oil Pump Removal And Installation
        Checking Oil Pump
        Crankshaft Front Seal Removal And Installation
        Exhaust Manifold Removal And Installation
        Valve Cover Removal And Installation
        Rocker Arm Removal And Installation
        Push Rod Removal And Installation
        Cylinder Head Removal
        Cylinder Head Installation
        Tappet Removal And Installation
        Checking Piston Top Clearance
        Cylinder Head Disassembly
        Cylinder Head Assembly
        Servicing The Cylinder Head
        Cylinder Head Surface Flatness
        Cylinder Head Flaw
        Valve And Valve Guide Checking
        Valve Guide Replacement
        Reconditioning The Valve And Valve Seat
        Correcting The Valve Seat
        Valve Spring
        Idler Gear Removal And Installation
        Camshaft Removal And Installation
        Camshaft Height
        Camshaft Oil Clearance
        Camshaft Alignment
        Camshaft Gear Removal And Installation
        Fuel Camshaft Removal And Installation
        Engine Timing Gear Alignment
        Governor Shaft Removal And Installation
        Governor Fork Lever Removal And Installation
        Oil Pan Removal And Installation
        Piston Removal
        Piston Pin Removal And Installation
        Checking The Piston And Connecting Rod
        Connecting Rod Alignment
        Connecting Rod Bushing Removal And Installation
        Piston Ring Gap
        Checking Engine Cylinder Bore
        Piston Ring Installation
        Connecting Rod Installation
        Piston Installation
        Crankshaft End Play
        Crankshaft Removal And Installation
        Crankshaft Disassembly And Assembly
        Checking Crankshaft Number One Journal And Block Bearing
        Checking The Crankshaft Journals And Main Bearings
        Connecting Rod Journal
        Crankshaft Alignment
    RUBBER DRIVE COUPLER
        Removal And Installation
        Disassembly
        Assembly
    WATER FLANGE
        Removal And Installation
        
SPECIFICATIONS
    LOADER SPECIFICATIONS
        Machine Dimensions
        Performance
        Controls
        Engine
        Hydraulic System
        Electrical
        Drive System
        Capacities
    ENGINE SPECIFICATIONS - KUBOTA D1105-B
        Engine Compression
        Fuel Injection Nozzles
        Fuel Injection Pump
        Cylinder Head
        Valves
        Valve Springs
        Rocker Arms
        Camshaft
        Cylinders
        Piston Rings
        Pistons
        Crankshaft
        Oil Pump
        Thermostat
        Crankshaft Re-Grind Data
    TORQUE SPECIFICATIONS FOR BOLTS
        Torque For General SAE Bolts
        Torque For General Metric Bolts
    HYDRAULIC CONNECTION SPECIFICATIONS
        O-ring Face Seal Connection
        Straight Thread O-ring Fitting
        Tubelines And Hoses
        Flare Fitting
        O-ring Flare Fitting
        Port Seal Fitting
    HYDRAULIC FLUID SPECIFICATIONS
        Specifications
    CONVERSIONS
        Decimal And Millimeter Equivalents
        U.S. To Metric Conversion
        
SERVICE MANUAL REVISION
    Revision No: 553-1
    
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