Bobcat 553 520311001 520411001 Service Manual-21416B320026.pdf -Bookmark created by https://wimanual.com MAINTENANCE SAFETY ALPHABETICAL INDEX CONTENTS FOREWORD 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 Description Checking And Adding Fluid Replacing The Hydraulic 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 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 Engine Timing Installation 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 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 Tappet Removal And Installation Cylinder Head Removal And Installation Checking Piston Top Clearance Disassembly Assembly Servicing The Cylinder Head Combustion Chamber Removal And Installation Idler Gear Removal And Installation Camshaft Removal And Installation Fuel Camshaft Removal And Installation Oil Pan Removal And Installation Governor Shaft Removal And Installation Governor Fork Lever Removal And Installation Piston Removal And Installation Checking The Piston And Connecting Rod Connecting Rod Alignment Pison Ring Gap Piston Ring Installation Connecting Rod Installation Checking Engine Cylinder Bore Crankshaft Removal And Installation Checking Crankshaft Journal And Block Bearing Checking The Crankshaft Journal And Main Bearing Connecting Rod Journal Checking the End Play Of The Crankshaft Crankshaft Alignment Idler Gear And Crankshaft Idler Gear And Crankshaft Gear Idler Gear And Fuel Camshaft Gear Fuel Camshaft Gear And Governor Shaft Gear 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 Tires ENGINE SPECIFICATIONS 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 SMR 553-1 . 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