Komatsu WA250-5L Wheel Loader Operation & Maintenance Manual SN A73001 and up – PDF DOWNLOAD
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Komatsu WA250-5L Wheel Loader Operation & Maintenance Manual
Book Code : CEAM011300
MACHINE MODEL SERIAL NUMBERS
WA250-5L A73001 and up
Description
Komatsu WA250-5L Wheel Loader Operation & Maintenance Manual
FILE DETAILS:
Komatsu WA250-5L Wheel Loader Operation & Maintenance Manual
Model Specification: KOMATSU WA250-5L WHEEL LOADER
Language: English
File Format: PDF
Total Pages: 230
Requirements: Adobe PDF Reader
ZOOM IN/OUT: YES
Downloadable: YES
KOMATSU WA250-5L WHEEL LOADER OPERATION & MAINTENANCE MANUAL SN A73001 AND UP – PDF DOWNLOAD:
IMAGES PREVIEW OF THE MANUAL:

DESCRIPTION:
Komatsu WA250-5L Wheel Loader Operation & Maintenance Manual
FOREWORD:
This manual provides the rules and guidelines that will help you use this machine safely and effectively. The precautions in this manual must be followed at all times when performing operation and maintenance. Most accidents are caused by the failure to follow the fundamental safety rules for the operation and maintenance of the machines. Knowing hazardous conditions before the operation or maintenance begins can prevent accidents.
SAFETY INFORMATION:
To enable you to use this machine safely, safety precautions and labels are given in this manual and affixed to the machine to give explanations of situations involving potential hazards and of the methods of avoiding such situations.
- The following signal words are used to inform you that there is a potential hazardous situation that may lead to personal injury or damage.
- In this manual and on machine labels, the following signal words are used to express the potential level of hazard.
TABLE OF CONTENTS:
Komatsu WA250-5L Wheel Loader Operation & Maintenance Manual
MAIN MENU..................................................................................... 0 COVER......................................................................................... 1 INTRODUCTION.................................................................................. 7 FOREWORD.................................................................................. 8 SAFETY INFORMATION........................................................................ 9 INTRODUCTION.............................................................................. 10 DIRECTIONS OF MACHINE................................................................. 10 NECESSARY INFORMATION..................................................................... 11 MACHINE SERIAL NO. PLATE.............................................................. 11 ENGINE SERIAL NO. PLATE AND POSITION.................................................. 11 SERVICE METER POSITION................................................................ 12 ENTER SERIAL NO. AND DISTRIBUTOR...................................................... 12 TABLE OF CONTENTS............................................................................. 13 SAFETY........................................................................................ 23 SAFETY LABELS............................................................................. 24 LOCATION OF SAFETY LABELS............................................................. 24 SAFETY LABELS..................................................................... 25 GENERAL PRECAUTIONS....................................................................... 31 SAFETY RULES.......................................................................... 31 IF ABNORMALITIES ARE FOUND............................................................ 31 CLOTHING AND PERSONAL PROTECTIVE ITEMS................................................ 31 FIRE EXTINGUISHER AND FIRST AID KIT................................................... 31 SAFETY FEATURES....................................................................... 31 KEEP THE MACHINE CLEAN................................................................ 32 INSIDE OPERATOR'S COMPARTMENT......................................................... 32 ALWAYS APPLY LOCK WHEN LEAVING OPERATOR'S SEAT........................................ 32 HANDRAILS AND STEPS................................................................... 33 MOUNTING AND DISMOUNTING.............................................................. 34 NO PEOPLE ON ATTACHMENTS.............................................................. 34 DO NOT GET CAUGHT IN ARTICULATED PORTION.............................................. 34 BURN PREVENTION....................................................................... 34 HOT COOLANT....................................................................... 34 HOT OIL........................................................................... 34 FIRE PREVENTION....................................................................... 35 ACTION IF FIRE OCCURS................................................................. 36 WINDOW WASHER LIQUID.................................................................. 36 PRECAUTIONS WHEN USING ROPS........................................................... 36 PRECAUTIONS FOR ATTACHMENTS........................................................... 36 UNAUTHORIZED MODIFICATION............................................................. 36 SAFETY AT WORK SITE................................................................... 37 WORKING ON LOOSE GROUND............................................................... 37 DO NOT GO CLOSE TO HIGH-VOLTAGE CABLES................................................ 37 ENSURE GOOD VISIBILITY................................................................ 38 BE CAREFUL ABOUT EXHAUST FUMES........................................................ 38 CHECKING SIGNALMAN'S SIGNALS AND SIGNS................................................ 38 EMERGENCY EXIT FROM OPERATOR'S CAB.................................................... 38 ASBESTOS DUST HAZARD.................................................................. 39 PRECAUTIONS WHEN STARTING............................................................. 39 PRECAUTIONS IN COLD AREAS............................................................. 39 PRECAUTIONS FOR OPERATION................................................................. 40 BEFORE STARTING ENGINE................................................................ 40 CHECKS BEFORE STARTING ENGINE..................................................... 40 CHECKS BEFORE OPERATION............................................................... 41 PRECAUTIONS BEFORE MOVING FORWARD OR BACK............................................. 41 PRECAUTIONS WHEN TRAVELING............................................................ 42 TRAVELING ON SLOPES................................................................... 43 PROHIBITED OPERATIONS................................................................. 44 PRECAUTIONS WHEN OPERATING............................................................ 44 METHODS OF USING BRAKE............................................................ 45 OPERATE CAREFULLY ON SNOW......................................................... 45 PARKING MACHINE....................................................................... 46 TRANSPORTATION........................................................................ 47 LOADING AND UNLOADING............................................................. 47 SHIPPING.......................................................................... 47 BATTERY............................................................................... 48 BATTERY HAZARD PREVENTION......................................................... 48 STARTING WITH BOOSTER CABLES.......................................................... 49 TOWING................................................................................ 50 WHEN TOWING....................................................................... 50 PRECAUTIONS FOR MAINTENANCE........................................................... 51 WARNING TAG....................................................................... 51 KEEP WORK PLACE CLEAN AND TIDY.................................................... 51 APPOINT LEADER WHEN WORKING WITH OTHERS........................................... 51 MAINTENANCE WITH ENGINE RUNNING....................................................... 52 TWO WORKERS FOR MAINTENANCE WHEN ENGINE IS RUNNING.................................... 53 INSPECTION AND MAINTENANCE AFTER TURNING E.C.S.S. SWITCH OFF.......................... 53 PROPER TOOLS.......................................................................... 54 ACCUMULATOR........................................................................... 54 PERSONNEL............................................................................. 54 ATTACHMENTS........................................................................... 54 WORK UNDER THE MACHINE................................................................ 55 NOISE................................................................................. 55 PRECAUTIONS WHEN USING HAMMER......................................................... 55 REPAIR WELDING........................................................................ 55 REMOVING BATTERY TERMINAL............................................................. 56 PRECAUTIONS WITH HIGH-PRESSURE OIL.................................................... 56 HANDLING HIGH-PRESSURE HOSES.......................................................... 56 WASTE MATERIALS....................................................................... 56 MAINTENANCE OF AIR CONDITIONER........................................................ 56 COMPRESSED AIR........................................................................ 57 PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS......................................... 57 PRECAUTIONS WITH TIRES.................................................................... 58 HANDLING TIRES........................................................................ 58 PRECAUTIONS WHEN STORING TIRES........................................................ 58 OPERATION..................................................................................... 59 GENERAL VIEW.............................................................................. 60 WA250-5L.............................................................................. 60 CONTROLS AND GAUGES................................................................... 61 MACHINE MONITOR....................................................................... 62 EXPLANATION OF COMPONENTS................................................................. 63 MACHINE MONITOR....................................................................... 63 MONITOR SYSTEM........................................................................ 64 TESTING ACTUATION OF MACHINE MONITOR SYSTEM....................................... 64 TYPES OF WARNING.................................................................. 65 EMERGENCY STOP.................................................................... 65 CAUTION........................................................................... 65 MISTAKEN OPERATION................................................................ 65 INSPECTION AND MAINTENANCE........................................................ 65 CENTRAL WARNING LAMP.............................................................. 65 CHARACTER DISPLAY PORTION............................................................. 66 SERVICE METER..................................................................... 66 ACTION CODE DISPLAY............................................................... 67 FAILURE CODE DISPLAY.............................................................. 68 FILTER, OIL REPLACEMENT TIME DISPLAY.............................................. 69 EMERGENCY STOP ITEM....................................................................... 71 BRAKE OIL PRESSURE CAUTION LAMP....................................................... 71 ENGINE OIL PRESSURE CAUTION LAMP...................................................... 72 BATTERY CHARGE CIRCUIT CAUTION LAMP................................................... 72 STEERING OIL PRESSURE CAUTION LAMP - RED.............................................. 72 CAUTION ITEMS......................................................................... 73 AXLE OIL TEMPERATURE CAUTION LAMP..................................................... 73 PARKING BRAKE REMINDER CAUTION LAMP................................................... 74 HST OIL TEMPERATURE CAUTION LAMP...................................................... 74 ENGINE COOLING WATER TEMPERATURE CAUTION LAMP......................................... 74 FUEL LEVEL CAUTION LAMP............................................................... 75 WARNING/LIMIT FUNCTIONS FOR TRAVEL SPEED.............................................. 75 TRAVEL SPEED LIMIT FUNCTION........................................................... 75 INSPECTION AND MAINTENANCE ITEM....................................................... 76 RADIATOR COOLANT LEVEL CAUTION LAMP................................................... 76 MAINTENANCE CAUTION LAMP.............................................................. 77 HST OIL FILTER CLOG CAUTION LAMP...................................................... 77 PILOT DISPLAY PORTION................................................................. 78 PARKING BRAKE PILOT LAMP.............................................................. 78 PREHEATING PILOT LAMP................................................................. 78 EMERGENCY STEERING PILOT LAMP- GREEN.................................................. 79 DIRECTIONAL LEVER POSITION PILOT LAMP................................................. 79 PILOT LAMP FOR SPEED RANGE SELECTOR SWITCH POSITION................................... 79 TURN SIGNAL PILOT LAMP................................................................ 79 HEAD LAMP HIGH BEAM PILOT LAMP........................................................ 80 METER DISPLAY PORTION................................................................. 81 HST OIL TEMPERATURE GAUGE............................................................. 81 ENGINE COOLANT TEMPERATURE GAUGE...................................................... 81 FUEL GAUGE............................................................................ 82 SPEEDOMETER........................................................................... 82 METER DISPLAY PILOT LAMP.............................................................. 82 OTHER FUNCTIONS OF MACHINE MONITOR.................................................... 83 METHOD OF DISPLAYING ODOMETER..................................................... 83 RESET METHOD FOR FILTER, OIL REPLACEMENT TIME......................................... 83 METHOD FOR SELECTING LANGUAGE..................................................... 84 METHOD OF SELECTING HST CHANGING FUNCTION......................................... 85 SWITCHES.............................................................................. 86 STARTING SWITCH................................................................... 86 SPEED RANGE SELECTOR SWITCH....................................................... 87 VARIABLE SHIFT CONTROL SWITCH..................................................... 87 DIRECTIONAL SELECTOR SWITCH....................................................... 87 DIRECTIONAL SELECTOR SWITCH ACTUATION SWITCH...................................... 88 E.C.S.S. SWITCH................................................................... 88 LAMP SWITCH....................................................................... 89 TURN SIGNAL LEVER................................................................. 89 DIMMER SWITCH..................................................................... 89 HORN BUTTON....................................................................... 89 HAZARD LAMP SWITCH................................................................ 90 FRONT WORKING LAMP SWITCH......................................................... 90 REAR WORKING LAMP SWITCH.......................................................... 91 MONITOR PANEL MODE SELECTOR SWITCH 1.............................................. 91 MONITOR PANEL MODE SELECTOR SWITCH 2.............................................. 91 FRONT WIPER SWITCH................................................................ 92 REAR WIPER SWITCH................................................................. 92 CIGARETTE LIGHTER................................................................. 92 ROOM LAMP SWITCH.................................................................. 92 REAR WINDOW DEFROSTER SWITCH...................................................... 93 CONTROL LEVERS, PEDALS................................................................ 94 DIRECTIONAL LEVER................................................................. 94 SAFETY LOCK LEVER (FOR WORK EQUIPMENT LEVER)...................................... 95 WORK EQUIPMENT LEVER.............................................................. 95 BRAKE PEDAL....................................................................... 96 ACCELERATOR PEDAL................................................................. 96 PARKING BRAKE LEVER............................................................... 97 STEERING TILT LOCK LEVER.......................................................... 97 CAP AND COVER WITH LOCK........................................................... 98 METHOD OF OPENING AND CLOSING CAP WITH LOCK....................................... 98 METHOD OF OPENING AND CLOSING COVER WITH LOCK..................................... 98 SAFETY BAR........................................................................ 99 TOWING PIN........................................................................ 99 GREASE PUMP.......................................................................100 CAB DOOR INNER LOCK...............................................................100 CAB DOOR OPEN LOCK................................................................100 CAB WINDOW OPEN LOCK CANCEL KNOB..................................................101 FUSE..............................................................................101 FUSE CAPACITY AND NAME OF CIRCUIT.................................................101 SLOW BLOW FUSE....................................................................102 AUXILIARY POWER...................................................................103 AIR CONDITIONER.......................................................................104 GENERAL LOCATIONS AND FUNCTION OF CONTROL PANEL...................................104 FAN SWITCH........................................................................104 AIR CONDITIONER SWITCH............................................................104 MODE SELECTOR SWITCH..............................................................105 FRESH/RECIRC SELECTOR SWITCH......................................................105 TEMPERATURE CONTROL SWITCH........................................................106 METHOD OF OPERATION...............................................................106 WHEN NOT USING THE AIR CONDITIONER REGULARLY......................................107 COOL BOX..........................................................................107 PRECAUTIONS WHEN USING................................................................107 PRECAUTIONS WHEN USING THE COOLING................................................107 HANDLING CAB WIPER....................................................................108 PREVENTING WIPER ARM BRACKET DAMAGE...............................................108 OPERATION.................................................................................109 CHECK BEFORE STARTING ENGINE, ADJUST..................................................109 WALK-AROUND CHECK.................................................................109 CHECK BEFORE STARTING.................................................................112 CHECK OIL LEVEL IN ENGINE OIL PAN, ADD OIL........................................112 CHECK WATER SEPARATOR.............................................................113 CHECK DUST INDICATOR..............................................................113 CHECK COOLANT LEVEL, ADD COOLANT..................................................114 CHECK INFLATION PRESSURE OF TIRES.................................................114 CHECK ELECTRIC WIRING.............................................................115 CHECK MONITOR PANEL...............................................................115 CHECK FUEL LEVEL, ADD FUEL........................................................116 CHECK PARKING BRAKE...............................................................117 CHECK BRAKE PEDAL.................................................................117 ADJUSTMENT............................................................................117 SEAT ADJUSTMENT...................................................................117 ADJUST SEAT BELT..................................................................119 ADJUST LEVER STAND................................................................119 ADJUST REAR VIEW MIRROR...........................................................120 OPERATIONS AND CHECKS BEFORE STARTING ENGINE..........................................120 STARTING ENGINE...................................................................122 OPERATIONS AND CHECKS AFTER STARTING ENGINE.......................................123 BREAKING-IN THE MACHINE...........................................................124 NORMAL OPERATION..................................................................124 STOPPING ENGINE.......................................................................126 MOVING THE MACHINE (DIRECTIONAL, SPEED), STOPPING THE MACHINE.........................127 MOVING THE MACHINE................................................................127 CHANGING DIRECTION................................................................129 CHANGING BETWEEN FORWARD AND REVERSE..............................................129 STOPPING THE MACHINE..............................................................131 TURNING...........................................................................132 EMERGENCY STEERING................................................................132 OPERATION OF WORK EQUIPMENT...........................................................133 LIFT ARM OPERATION................................................................133 BUCKET OPERATION..................................................................134 WORK POSSIBLE USING WHEEL LOADER......................................................135 DIGGING OPERATIONS................................................................135 LOADING PILED SOIL................................................................135 DIGGING AND LOADING ON LEVEL GROUND...............................................136 LEVELING OPERATIONS...............................................................137 PUSHING OPERATION.................................................................137 LOAD AND CARRY OPERATIONS.........................................................137 LOADING OPERATIONS................................................................138 CROSS DRIVE LOADING...............................................................138 V-SHAPE LOADING...................................................................139 PRECAUTIONS WHEN PILING UP LOADS..................................................139 PRECAUTIONS FOR OPERATION.............................................................139 PERMISSIBLE WATER DEPTH...........................................................139 IF WHEEL BRAKE DOES NOT WORK......................................................139 PRECAUTIONS WHEN DRIVING UP OR DOWN SLOPES............................................140 LOWER THE CENTER OF GRAVITY WHEN TURNING..........................................140 BRAKING ON DOWNHILL SLOPE.........................................................140 IF ENGINE STOPS...................................................................140 PRECAUTIONS WHEN DRIVING MACHINE..................................................140 ADJUSTING WORK EQUIPMENT POSTURE..................................................141 ADJUSTING BOOM KICKOUT............................................................141 ADJUSTING BUCKET POSITIONER.......................................................142 BUCKET LEVEL INDICATOR............................................................142 PARKING MACHINE...................................................................143 CHECK AFTER STOPPING ENGINE.......................................................144 CHECKS AFTER COMPLETION OF OPERATION..............................................144 LOCKING...........................................................................145 HANDLING THE TIRES....................................................................145 PRECAUTIONS WHEN HANDLING TIRES...................................................145 TIRE PRESSURE.....................................................................146 PRECAUTIONS FOR USING LOAD AND CARRY METHOD.......................................146 TRANSPORTATION........................................................................147 TRANSPORTATION PROCEDURE..........................................................147 LOADING, UNLOADING WORK WITH TRAILERS.............................................147 LOADING...........................................................................147 SECURING MACHINE..................................................................148 UNLOADING.........................................................................148 LIFTING MACHINE...................................................................149 LOCATION OF LIFTING POSITION MARK.................................................150 WEIGHT TABLE......................................................................150 LIFTING PROCEDURE.................................................................151 COLD WEATHER OPERATION................................................................152 PRECAUTIONS FOR LOW TEMPERATURE...................................................152 FUEL AND LUBRICANTS...............................................................152 COOLANT...........................................................................152 BATTERY...........................................................................153 PRECAUTIONS AFTER COMPLETION OF WORK..............................................153 AFTER COLD WEATHER................................................................153 STEERING HYDRAULIC CIRCUIT WARM UP................................................154 LONG TERM STORAGE.....................................................................154 BEFORE STORAGE....................................................................154 DURING STORAGE....................................................................154 AFTER STORAGE.....................................................................154 TROUBLESHOOTING...........................................................................155 WHEN MACHINE RUNS OUT OF FUEL.........................................................155 TOWING THE MACHINE....................................................................155 WHEN ENGINE CAN BE USED...........................................................156 WHEN ENGINE CANNOT BE USED........................................................156 IF BATTERY IS DISCHARGED..........................................................156 REMOVAL AND INSTALLATION OF BATTERY...............................................156 PRECAUTIONS FOR CHARGING BATTERY..................................................157 STARTING ENGINE WITH BOOSTER CABLE................................................157 OTHER TROUBLE.........................................................................159 ELECTRICAL SYSTEM.................................................................159 CHASSIS...........................................................................160 ENGINE............................................................................162 MAINTENANCE...................................................................................165 GUIDES TO MAINTENANCE.....................................................................166 CHECK SERVICE METER...................................................................166 KOMATSU GENUINE REPLACEMENT PARTS.....................................................166 KOMATSU GENUINE OILS..................................................................166 ALWAYS USE CLEAN WASHER FLUID.........................................................166 ALWAYS USE CLEAN OIL AND GREASE.......................................................166 CHECKING FOR FOREIGN MATERIALS IN DRAINED OIL AND ON FILTERS..........................166 FUEL STRAINER.........................................................................166 WELDING INSTRUCTIONS..................................................................166 DO NOT DROP THINGS INSIDE MACHINE.....................................................166 DUSTY WORK SITES......................................................................167 AVOID MIXING OIL......................................................................167 LOCKING INSPECTION COVERS.............................................................167 BLEEDING AIR FROM HYDRAULIC CIRCUIT...................................................167 PRECAUTIONS WHEN INSTALLING HYDRAULIC HOSES...........................................167 CHECKS AFTER INSPECTION AND MAINTENANCE...............................................167 OUTLINES OF SERVICE.......................................................................168 HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC................................168 OIL...............................................................................168 FUEL..............................................................................168 COOLANT...........................................................................168 GREASE............................................................................169 KOWA (Komatsu Oil Wear Analysis)..................................................169 STORING OIL AND FUEL..............................................................170 FILTERS...........................................................................170 OUTLINE OF ELECTRIC SYSTEM........................................................170 WEAR PARTS................................................................................171 WEAR PARTS LIST.......................................................................171 FLUID USE ACCORDING TO AMBIENT TEMPERATURE................................................172 PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS......................................172 STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS........................................176 TORQUE LIST.......................................................................176 PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS.....................................177 MAINTENANCE SCHEDULE CHART................................................................178 MAINTENANCE SCHEDULE CHART............................................................178 SERVICE PROCEDURE.........................................................................180 INITIAL 250 HOURS SERVICE.............................................................180 REPLACE HST OIL FILTER ELEMENT....................................................207 REPLACE HYDRAULIC TANK FILTER ELEMENT.............................................209 WHEN REQUIRED.........................................................................180 CHECK, CLEAN, OR REPLACE AIR CLEANER ELEMENT......................................180 CLEAN INSIDE OF COOLING SYSTEM....................................................183 CHECK OIL LEVEL IN TRANSFER CASE, ADD OIL.........................................186 CHECK AXLE OIL LEVEL, ADD OIL.....................................................187 CLEAN AXLE CASE BREATHER..........................................................188 CLEAN AIR CONDITIONER CONDENSER...................................................188 WINDOW WASHING FLUID LEVEL........................................................188 CLEAN RADIATOR FINS AND COOLER FINS...............................................189 CHECK ELECTRICAL INTAKE AIR HEATER................................................189 REPLACE BOLT-ON CUTTING EDGE......................................................190 REPLACE BUCKET TEETH..............................................................191 CHECK AIR CONDITIONER.............................................................192 REPLACE SLOW BLOW FUSE............................................................193 SELECTION AND INSPECTION OF TIRES.................................................194 CHECK BEFORE STARTING.................................................................195 EVERY 50 HOURS SERVICE................................................................196 DRAIN WATER, SEDIMENT FROM FUEL TANK..............................................196 EVERY 100 HOURS SERVICE...............................................................196 LUBRICATE REAR AXLE PIVOT PIN.....................................................196 CLEAN AIR CONDITIONER FRESH AIR FILTER ELEMENT....................................196 CHECK OIL LEVEL IN HYDRAULIC TANK, ADD OIL........................................197 EVERY 250 HOURS SERVICE...............................................................198 CHECK BATTERY ELECTROLYTE LEVEL...................................................198 CHECK PARKING BRAKE...............................................................200 AIR CONDITIONER COMPRESSOR BELT TENSION...........................................200 CHECK FOR LOOSE WHEEL HUB BOLTS, TIGHTEN..........................................201 AIR CONDITIONER RECIRCULATION FILTER..............................................201 LUBRICATING.......................................................................202 EVERY 500 HOURS SERVICE...............................................................203 CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE.................203 REPLACE FUEL FILTER CARTRIDGE.....................................................204 EVERY 1000 HOURS SERVICE..............................................................205 CHANGE OIL IN TRANSFER CASE.......................................................205 CLEAN TRANSFER CASE BREATHER......................................................206 REPLACE HST OIL FILTER ELEMENT....................................................207 LUBRICATING.......................................................................208 CHECK TIGHTENING PARTS OF TURBOCHARGER............................................208 CHECK PLAY OF TURBOCHARGER ROTOR..................................................208 CHECK FAN BELT TENSION, REPLACE...................................................208 EVERY 2000 HOURS SERVICE..............................................................209 CHANGE OIL IN HYDRAULIC TANK, REPLACE HYDRAULIC FILTER ELEMENT....................209 REPLACE HYDRAULIC TANK BREATHER ELEMENT...........................................210 CHANGE AXLE OIL...................................................................211 REPLACE AIR CONDITIONER RECIRCULATION AIR FILTER AND FRESH AIR FILTER ELEMENTS....211 CHECK ALTERNATOR, STARTING MOTOR..................................................211 CHECK ENGINE VALVE CLEARANCE, ADJUST..............................................211 CHECK BRAKE DISC WEAR.............................................................212 CLEAN AND CHECK TURBOCHARGER......................................................212 CHECK ACCUMULATOR GAS PRESSURE....................................................212 CHECK VIBRATION DAMPER............................................................212 EVERY 4000 HOURS SERVICE..............................................................213 LUBRICATING.......................................................................213 CHECK WATER PUMP..................................................................213 SPECIFICATIONS................................................................................215 SPECIFICATIONS............................................................................216 WA250-5L WITH BOLT-ON CUTTING EDGE....................................................216 OPTIONS, ATTACHMENTS..........................................................................219 BUCKETS AND TIRES SELECTION...............................................................220 AM/FM RADIO-CASSETTE STEREO...............................................................221 COMPONENTS............................................................................221 POWER SWITCH/VOLUME...............................................................222 AUTO-STORE/PRESET SCAN BUTTON.....................................................222 BASS CONTROL KNOB.................................................................222 TREBLE CONTROL KNOB...............................................................223 LOUDNESS BUTTON...................................................................223 TIME/RADIO DISPLAY SELECTOR BUTTON................................................223 TAPE EJECT BUTTON.................................................................224 CASSETTE DOOR.....................................................................224 FAST FORWARD, REWIND BUTTONS......................................................224 PRESET BUTTONS....................................................................224 METAL TAPE BUTTON.................................................................225 MANUAL TUNING BUTTONS.............................................................225 SEEK TUNING BUTTONS...............................................................225 BAND SELECTOR BUTTON..............................................................225 METHOD OF OPERATION...................................................................226 METHOD OF SETTING PRESET BUTTONS..................................................226 METHOD OF AUTO-MEMORY.............................................................226 LISTENING TO RADIO................................................................227 LISTENING TO CASSETTE TAPE........................................................227 REVERSING TAPE....................................................................228 PRECAUTIONS FOR USE...................................................................228
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