Bobcat 553 Skid Steer Loader Service Manual-21416B320029.pdf -Bookmark created by https://wimanual.com 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 Checking And Adding Fluid Removing And Replacing The Hydraulic Removing And Replacing The Hydraulic 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 HYDRAULIC SYSTEM INFORMATION Glossary Of Hydraulic 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 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 Specifications CONVERSIONS Decimal And Millimeter Equivalents U.S. To Metric Conversion Chart SMR 553-1 . 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