Bobcat 553 Skid-Steer Loader Repair Service Manual - 6904705



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(S/N: 539112001 & Above - S/N: 539412001 & 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: 539112001 & Above
S/N: 539412001 & Above


TABLE OF CONTENTS :

DELIVERY REPORT
FOREWORD
LOADER IDENTIFICATION
SAFETY INSTRUCTIONS
SERIAL NUMBER LOCATIONS 
SAFETY AND MAINTENANCE
HYDRAULIC SYSTEM 
HYDROSTATIC SYSTEM 
DRIVE SYSTEM 
MAIN FRAME 
ELECTRICAL SYSTEM & ANALYSIS
ENGINE SERVICE 
HEATER 
SPECIFICATIONS
SERVICE MANUAL REVISION


MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Product Code : 6904705 (3-06)
Total Pages : 423


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 !!!! 

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MAINTENANCE SAFETY
ALPHABETICAL INDEX
CONTENTS
    FOREWORD
    SAFETY INSTRUCTIONS
        Fire Prevention
    SERIAL NUMBER LOCATIONS
        Loader Serial Number
        Engine Serial Number
    DELIVERY REPORT
    LOADER IDENTIFICATION
    
SAFETY AND MAINTENANCE
    LIFTING AND BLOCKING THE LOADER
        Procedure
    LIFT ARM SUPPORT DEVICE
        Installing
        Removing
    OPERATOR CAB
        Description
        Raising
        Lowering
    TRANSPORTING LOADER ON A TRAILER
        Loading And Unloading
        Fastening
    TOWING THE LOADER
        Procedure
    REMOTE START
        Procedure
    SERVICE SCHEDULE
        Chart
    AIR CLEANER SERVICE
        Replacing Filter Elements
    ENGINE COOLING SYSTEM
        Cleaning
        Checking
        Removing And Replacing Coolant
    FUEL SYSTEM
        Fuel Specifications
        Filling The Fuel Tank
        Fuel Filter
        Removing Air From The Fuel System
    ENGINE LUBRICATION SYSTEM
        Checking And Adding Engine Oil
        Oil Chart
        Removing And Replacing Oil And Filter
    HYDRAULIC/HYDROSTATIC SYSTEM
        Checking And Adding Fluid
        Removing And Replacing The Hydraulic/Hydrostatic Filter
        Removing And Replacing The Hydraulic/Hydrostatic Fluid
    FINAL DRIVE TRANSMISSION (CHAINCASE)
        Checking And Adding Oil
        Removing Oil From Chaincase
    AUXILIARY CONTROL LOCKBOLT
        Procedure
    BOB-TACH
        Inspection And Maintenance
    LUBRICATING THE BOBCAT
        Lubrication Locations
    TIRE MAINTENANCE
        Wheel Nuts
        Rotating
        Mounting
    SPARK ARRESTOR MUFFLER
        Cleaning Procedure
    PIVOT PINS
        Inspection And Maintenance
    SEAT BAR RESTRAINT SYSTEM
        Inspection And Maintenance
    RUBBER COUPLER LUBRICATION
        Procedure
    LOADER STORAGE AND RETURN TO SERVICE
        Storage
        Return to Service
    STOPPING THE ENGINE AND LEAVING THE LOADER
        Procedure
        Emergency Exit
        
HYDRAULIC SYSTEM
    HYDRAULIC/HYDROSTATIC SCHEMATICS
    HYDRAULIC SYSTEM INFORMATION
        Glossary Of Hydraulic / Hydrostatic Symbols
        Troubleshooting Chart
    CYLINDER (LIFT)
        Testing
        Removal And Installation
        Parts Identification
        Disassembly And Assembly
    CYLINDER (TILT)
        Testing
        Removal And Installation
        Parts Identification
        Disassembly And Assembly
    MAIN RELIEF VALVE
        Description
        Testing With Auxiliaries
        Testing Without Auxiliaries
        Removal and Installation
    HYDRAULIC CONTROL VALVE
        Description
        BICS Valve Removal And Installation
        Identification Chart
        Disassembly And Assembly
        Load Check Valve Removal And Installation
        Main Relief Valve Removal And Installation
        Anti-Cavitation Check Valve Removal And Installation
        Port Relief Valve Removal And Installation
        Rubber Boot (Lift) Removal And Installation
        Rubber Boot (Tilt) Removal And Installation
        Rubber Boot (Auxiliary) Removal And Installation
        Lift Spool And Detent Removal And Installation
        Tilt Spool Removal And Installation
        Auxiliary Spool And Detent Removal And Installation
        One Way Restrictors Removal And Installation
        Spool Seal Installation
    LIFT ARM BY-PASS CONTROL VALVE
        Description
        Testing
        Removal And Installation
        Disassembly And Assembly
    TILT LOCK VALVE
        Description
        Testing
        Removal And Installation
        Disassembly And Assembly
    HYDRAULIC PUMP
        Description
        Direct Pump Testing
        Removal And Installation
        Parts Identification
        Disassembly And Assembly
    HYDRAULIC/HYDROSTATIC FILTER
        Description
        Housing Removal And Installation
        Housing Disassembly And Assembly
    HYDRAULIC FLUID RESERVOIR
        Description
        Removal And Installation
        Hydrauilc Fluid Screen
    OIL COOLER
        Description
        Removal And Installation
        
HYDROSTATIC SYSTEM
    HYDROSTATIC SYSTEM INFORMATION
        Troubleshooting
        Description
    HYDROSTATIC MOTOR
        Description
        Removal And Installation
        Parts Identification
        Disassembly And Assembly
        Timing
    PORT BLOCK
        Description
        Removal And Installation
        Oil Cooler By-Pass Valve Removal And Installation
        Hydraulic Oil Temperature Switch Removal And Installation
        Charge Pressure By-Pass Valve Removal And Installation
    HYDROSTATIC PUMP
        Description
        Checking Charge Pressure
        Removal And Installation
        Drive Coupler Removal And Installation
        Parts Identification
        Disassembly And Assembly
        Inspection
        
DRIVE SYSTEM
    PARKING BRAKE
        Description
        Disk Removal And Installation
        Traction Lock Guides Removal And Installation
    DRIVE COMPONENTS
        Description
        Axle Seal Removal And Installation
        Chain Removal And Installation
    CHAINCASE
        Description
        Front Cover Removal And Installation
        Rear Cover Removal And Installation
        
MAIN FRAME
    SEAT BAR
        Description
        Removal And Installation
        Disassembly And Assembly
        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
        Description
        Removal And Installation
        Lever And Wedge Disassembly And Assembly
    LIFT ARM
        Removal And Installation
    REAR GRILL
        Removal And Installation
    REAR DOOR
        Removal And Installation
        Striker Removal And Installation
        Striker Disassembly And Assembly
        Striker Adjustment
        Latch Removal And Installation
    FUEL TANK
        Removal And Installation
        Fuel Level Sender Removal And Installation
    CONTROL PEDALS AND LINKAGES
        Description
        Removal And Installation
        Pedal Adjustment
        Pedal Interlock Linkage Removal And Installation
        Pedal Interlock Linkage Adjustment
        Crossbar Linkage Removal And Installation
    CONTROL PANEL
        Description
        Removal And Installation
    CONTROL LEVER
        Description
        Lever Removal And Installation
        Lever Disassembly And Assembly
        Linkage Removal And Installation
        Pintle Lever Removal And Installation
        Pintle Lever Disassemby And Assembly
    WINDOW (REAR)
        Removal
        Installation
    WINDOW (TOP)
        Removal
        Installation
    WINDOW (SIDE)
        Removal And Installation
    WINDOW (FRONT DOOR)
        Removal (Standard Window)
        Installation (Standard Window)
        Removal And Installation (Special Applications Window)
        
ELECTRICAL SYSTEM & ANALYSIS
    ELECTRICAL SCHEMATICS
    ELECTRICAL SYSTEM INFORMATION
        Glossary Of Electrical Symbols
        Description
        Troubleshooting
        Fuse And Relay Location And Identification
    BATTERY
        Removal And Installation
        Using A Booster Battery (Jump Starting)
    ALTERNATOR
        Belt Adjustment
        Charging System Inspection
        Alternator Voltage Testing
        Low Voltage Testing
        High Voltage Testing
        Removal And Installation
        Parts Identification
    STARTER
        Testing
        Removal And Installation
        Parts Identification
    INSTRUMENT PANELS
        Left And Right Removal And Installation
    LIGHTS
        Front Removal And Installation
        Rear Removal And Installation
        Cab Light Removal And Installation
    BOBCAT INTERLOCK CONTROL SYSTEM (BICS)
        Description
        Inspecting The BICS 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
        Troubleshooting Chart
        Troubleshooting
        Removal And Installation
    SEAT BAR SENSOR
        Description
        Troubleshooting
        Testing
        Removal And Installation
        Bobcat Interlock Control System (BICS) Circuit Test
    TRACTION LOCK
        Description
        Troubleshooting
        Removal And Installation
        
ENGINE SERVICE
    ENGINE INFORMATION
        Description
        Specifications
        Torque Values
        Troubleshooting
        Engine Removal And Installation
        Engine Mount Replacement
        Compression - Checking
    ENGINE SPEED CONTROL
        Removal And Installation
        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
        Housing Removal And Installation
    ENGINE COOLING SYSTEM
        Cooling Fan Removal And Installation
        Radiator Removal And Installation
        Water Pump Removal And Installation
        Thermostat Housing Removal And Installation
        Thermostat Testing
    LUBRICATION SYSTEM
        Oil Pan Removal And Installation
        Oil Pump Removal And Installation
        Oil Pump Inspection
        Engine Oil Pressure - Testing
    FUEL SYSTEM
        Fuel Camshaft Removal And Installation
        Fuel Camshaft Governor Disassembly And Assembly
        Fuel Shutoff Solenoid, Removal And Installation
        Fuel Lift Pump Removal And Installation
        Fuel Injection Pump, Checking
        Fuel Injection Pump Removal And Installation
        Injection Pump - Timing
        Fuel Injector Removal And Installation
        Fuel Injector Nozzle Pressure - Checking
        Nozzle Spray Condition
        Valve Seat Tightness
    CYLINDER HEAD
        Glow Plugs - Testing
        Glow Plugs Removal And Installation
        Closed Breather System - Checking
        Valve Clearance Adjustment
        Valve Timing - Checking
        Exhaust Manifold Removal And Installation
        Cylinder Head Removal And Installation
        Cylinder Head Disassembly And Assembly
        Cylinder Head - Servicing
        Cylinder Head Top Clearance
        Valve Guide And Valve Checking
        Reconditioning The Valve And Valve Seat
        Valve Springs
        Valve Tappets
        Rocker Arm And Shaft Removal And Installation
        Rocker Arm And Shaft Disassembly And Assembly
        Rocker Arm And Shaft - Checking
    CRANKSHAFT AND PISTONS
        Piston And Connecting Rod Removal And Installation
        Piston And Connecting Rod - Servicing
        Cylinder Bore Checking
        Connecting Rod Alignment
        Crankshaft And Bearing Removal And Installation
        Crankshaft And Bearing - Servicing
    CAMSHAFT AND TIMING GEARS
        Timing Gearcase Cover Removal And Installation
        Timing Gears Backlash - Checking
        Idler Gear And Shaft Removal And Installation
        Idler Gear And Shaft Servicing
        Camshaft Removal And Installation
        Camshaft Servicing
        Camshaft Gear Removal And Installation
        Engine Timing Gear Alignment
    FLYWHEEL AND HOUSING
        Flywheel Removal And Installation
        Ring Gear Removal And Installation
        Housing Removal And Installation
    RUBBER DRIVE COUPLER
        Removal And Installation
        Disassembly And Assembly
    WATER FLANGE
        Removal And Installation
        
HEATER
    HEATER SYSTEM
        Description
    REGULAR MAINTENANCE
        Filter Element Removal And Installation
        Heater Coil
    TROUBLESHOOTING
        Electric System
        Heater Valve Not Opening Or Closing
        Blower Motor Does Not Operate
        Blower Motor Operates Normally, But Air Flow Is Insufficient
    HEATER UNIT
        Removal And Installation
    HEATER COIL
        Removal And Installation
    HEATER FAN
        Blower Removal And Installation
        Disassembly And Assembly
    HEATER MOTOR
        Removal And Installation
    RESISTOR
        Removal And Installation
        Checking
    HEATER VALVE
        Removal And Installation
    HEATER SWITCH
        Removal And Installation
        Checking The Switch
        
SPECIFICATIONS
    553 LOADER SPECIFICATIONS
        Dimensions
        Performance
        Controls
        Engine
        Hydraulic System
        Electrical
        Drive System
        Capacities
        Tires
    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/HYDROSTATIC FLUID SPECIFICATIONS
        Specifications
    CONVERSIONS
        Decimal And Millimeter Equivalents
        U.S. To Metric Conversion Chart
        
SERVICE MANUAL REVISION
    553-1
    
    -
    



 

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Bobcat 553 Skid-Steer Loader Repair Service Manual - 6904705.pdf

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