Bobcat 553 Skid-Steer Loader Service Manual - 6724024 (11–95)

Regular price $14.85


(S/N: 513011001 & Above - S/N: 513031001 & Above)
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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: 513011001 & Above
S/N: 513031001 & Above - Europe Only


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™/BOSS® SYSTEM
SPECIFICATIONS
SERVICE MANUAL REVISIONS


MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
P/N : 6724024 (11–95)
Total Pages : 296


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
CONTENTS
FOREWORD
SAFETY INSTRUCTIONS
SERIAL NUMBER LOCATIONS
LOADER SERIAL NUMBER
ENGINE SERIAL NUMBER
DELIVERY REPORT
553 BOBCAT LOADER IDENTIFICATION
OPTIONS AND ACCESSORIES

PREVENTIVE MAINTENANCE
SERVICE SCHEDULE
LIFTING AND BLOCKING THE LOADER
Procedure
TRANSPORTING THE LOADER
Procedure
LIFTING THE LOADER
Single Point Lift
TOWING THE LOADER
Procedure
STOPPING THE BOBCAT LOADER
LIFT ARM SUPPORT DEVICE
Installing And Removing Lift Arm Support Device
OPERATOR CAB
Description
Emergency Exit
Raising The Operator Cab
Lowering The Operator Cab
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
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
Replacing Hydraulic/Hydrostatic Filter
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
LUBRICATION OF 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)
Removal and Installation
Checking The Lift Cylinder(s) For Internal Leakage
TILT CYLINDER
Removal And Installation
Checking The Tilt Cylinder For Internal Leakage
HYDRAULIC CYLINDER IDENTIFICATION
Lift Cylinder Components
Tilt Cylinder Components
HYDRAULIC CYLINDER
Disassembly
Assembly
HYDRAULIC CONTROL VALVE
Removal And Installation
Checking The Main Relief Valve
Main Relief Valve Removal And Installation
Main Relief Valve Adjustment
Identification Chart
Disassembly And Assembly
Load Check Valve
Main Relief Valve
Anti–Cavitation Valve
Rubber Boot
Lift Spool Detent
Tilt Centering Spring
Auxiliary Spool Detent
One Way Restrictors
Inspection
Spool Seal Installation
HYDRAULIC PUMP
Removal And Installation
Checking The Output Of The Hydraulic Pump
Main Relief Valve Adjustment
Parts Identification
Disassembly and Assembly
Inspection
HYDRAULIC FILTER HOUSING
Removal And Installation
HYDRAULIC FLUID RESERVOIR
Removal And Installation
CONTROL PEDALS
Removal And Installation
Pedal Adjustment
PEDAL INTERLOCK LINKAGE
Removal And Installation
Adjustment
CROSSMEMBER LINKAGE
Removal And Installation

HYDROSTATIC SYSTEM
TROUBLESHOOTING
HYDROSTATIC SYSTEM INFORMATION
Replenishing Valve Function
CONTROL PANEL
Removal And Installation
STEERING LEVERS
Removal And Installation
Disassembly And Assembly
STEERING LINKAGE
Removal And Installation
Pintle Lever Disassembly And Assembly
Steering Neutral Adjustment
HYDR0STATIC PUMP
Checking Charge Pressure
Removal And Installation
Drive Coupler Removal And Installation
Parts Identification
Disassembly and Assembly
Inspection
PORT BLOCK
Removal And Installation
Oil Cooler Bypass Valve
Hydraulic Oil Temperature Switch
Charge Pressure Bypass Valve
HYDROSTATIC DRIVE MOTOR
Removal And Installation
Parts Identification
Disassembly And Assembly
Inspection
Timing The Hydrostatic Motor

DRIVE SYSTEM
PARKING BRAKE
Removal And Installation
Disassembly And Assembly
PARKING BRAKE DISC
Removal And Installation
Brake Disc Guide Removal And Installation
CHAINCASE FLUID
Removing Oil From The Chaincase
CHAINCASE COVERS
Front Cover Removal And Installation
Rear Cover Removal And Installation
AXLE SEAL
Removal And Installation
AXLE, BEARINGS, AND SPROCKET
Removal And Installation
DRIVE CHAIN
Removal

MAIN FRAME
SEAT BAR
Removal And Installation
Assembly
Compressing The Gas Cylinder
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
LIFT ARMS
Removal And Installation
REAR GRILL
Removal And Installation
FUEL TANK
Removal And Installation
Fuel Level Sender
REAR DOOR
Removal And Installation
Door Handle Adjustment

ELECTRICAL SYSTEM
ELECTRICAL SCHEMATICS
TROUBLESHOOTING
ELECTRICAL SYSTEM INFORMATION
Description
Fuse Location
Relay Switches Location
Removing And Installing The Battery
ALTERNATOR
Alternator Belt Shield Removal And Installation
Removal And Installation
Adjusting The Alternator Belt
Alternator Output Test
Rectifier (Diode) Test
Alternator Regulator Test
Disassembly And Inspection – Parts Identification
Stator Continuity Test
Stator Ground Test
Rotor Continuity Test
Rotor Ground Test
Rectifier Continuity (Diode) Test
Assembly
STARTER
Removal And Installation
Checking The Starter
Disassembly And Assembly
Parts Identification
Cleaning And Inspection
Replacing The Brushes
INSTRUMENT PANEL
Removal And Installation
FRONT LIGHTS
Removal And Installation

ENGINE SERVICE
TROUBLESHOOTING
ENGINE SPEED CONTROL
Removal And Installation
Disassembly
Linkage Bar Removal And Installation
RADIATOR
Removal And Installation
ENGINE MUFFLER
Removal And Installation
AIR CLEANER
Removal And Installation
FUEL FILTER
Removal And Installation
ENGINE
Removal And Installation
U–JOINT COUPLER
Removal And Installation
Disassemly And Assembly
FLYWHEEL
Removal And Installation
Flywheel Ring Gear
BLOWER FAN HOUSING
Removal And Installation
ENGINE COMPRESSION
Checking
GLOW PLUGS
Checking
Removal And Installation
FUEL INJECTION PUMP
Checking The Injection Pump
Removal And Installation
Timing The Injection Pump
FUEL INJECTOR NOZZLES
Removal
Installation
Checking Fuel Injector Nozzles
CYLINDER HEAD
Removal
Installation
Disassembly
Assembly
Servicing The Cylinder Head
TIMING GEARCASE COVER
Removal
Installation
TIMING GEARS AND CAMSHAFT
Removal
Installation
Servicing The Timing Gear And The Camshaft
OIL PUMP
Removal And Installation
Servicing The Oil Pump
WATER PUMP
Removal And Installation
PISTONS AND CRANKSHAFT
Piston And Camshaft Removal
Piston Installation
Servicing The Pistons And Connecting Rods
Crankshaft Installation
Servicing The Crankshaft
Servicing The Cylinder Liners

BICS™ SYSTEM
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 CONTROLLER
TRACTION LOCK
SEAT SENSOR
SEAT BAR SENSOR
LIFT LOCK BYPASS 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 BYPASS VALVE
Removal And Installation
Disassembly And Assembly
TILT LOCK VALVE
Removal And Installation
Disassembly And Assembly

SPECIFICATIONS
LOADER SPECIFICATIONS
LOADER DIMENSIONS
OPERATIONS & PERFORMANCE
ENGINE
HYDRAULIC SYSTEM
ELECTRICAL
DRIVE SYSTEM
CAPACITIES
TIRES
VIBRATION DATA
ENGINE SPECIFICATIONS
Fuel Injection Nozzles
Fuel Injection Pump
Cylinder Head
Valves
Valve Springs
Rocker Arms
Camshaft
Cylinders
Piston Rings
Pistons
Crankshaft
Oil Pump
Thermostat
Grinding Specifications for the Crankshaft
TORQUE SPECIFICATIONS FOR LOADER
Specifications
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS
Specifications
METRIC TORQUE SPECIFICATIONS FOR BOLTS
STANDARD TORQUE SPECIFICATIONS FOR BOLTS
DECIMAL AND MILLIMETER EQUIVALENTS
U.S. TO METRIC CONVERSION

SERVICE MANUAL REVISIONS
553-1

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