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KOMATSU GALEO PC200LC-7L PC220LC-7L HYDRAULIC EXCAVATOR Operation & Maintenance Manual (SN:A86001 & UP) – PDF DOWNLOAD
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- KOMATSU GALEO PC200LC-7L PC220LC-7L HYDRAULIC EXCAVATOR Operation & Maintenance Manual
- SERIAL NUMBER:A86001 & UP
- PUBLICATION NUMBER:CEAM008601
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Description
KOMATSU GALEO PC200LC-7L PC220LC-7L HYDRAULIC EXCAVATOR Operation & Maintenance Manual (SN:A86001 & UP)
KOMATSU GALEO PC200LC-7L PC220LC-7L HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:A86001 & UP) – PDF DOWNLOAD:
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KOMATSU GALEO PC200LC-7L PC220LC-7L HYDRAULIC EXCAVATOR Operation & Maintenance Manual (SN:A86001 & UP)
- Komatsu cannot predict every circumstance that might involve a potential danger in operation and maintenance. Therefore, the safety messages in this manual and on the machine may not include all possible safety precautions. If any procedures or actions not specifically recommended or allowed in this manual are used, it is your responsibility to take the necessary steps to ensure safety.
- In no event should you engage in prohibited uses or actions described in this manual.
- The explanations, values, and illustrations in this manual were prepared based on the latest information available at that time. Continuing improvements in the design of this machine can lead to changes in detail which may not be reflected in this manual. Consult Komatsu or your Komatsu distributor for the latest available information of your machine or for questions regarding information in this manual
TABLE OF CONTENTS:
KOMATSU GALEO PC200LC-7L PC220LC-7L HYDRAULIC EXCAVATOR Operation & Maintenance Manual (SN:A86001 & UP)
MAIN MENU........................................................................ 0 COVER............................................................................ 1 INTRODUCTION..................................................................... 7 FOREWORD..................................................................... 8 SAFETY INFORMATION........................................................... 9 SIGNAL WORDS............................................................. 9 OTHER SIGNAL WORDS....................................................... 9 INTRODUCTION................................................................. 10 DIRECTIONS OF MACHINE........................................................ 10 PRODUCT INFORMATION.......................................................... 11 MACHINE SERIAL NUMBER PLATE AND ITS LOCATION............................. 11 ENGINE SERIAL NUMBER PLATE AND ITS LOCATION.............................. 11 SERVICE METER LOCATION................................................... 12 YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR.............................. 12 TABLE OF CONTENTS................................................................ 13 SAFETY........................................................................... 23 SAFETY LABELS................................................................ 24 POSITION FOR ATTACHING SAFETY LABELS..................................... 24 SAFETY LABELS............................................................ 25 SAFETY INFORMATION........................................................... 30 SAFETY RULES............................................................. 30 IF ABNORMALITIES ARE FOUND............................................... 30 WORKING WEAR AND PERSONAL PROTECTIVE ITEMS............................... 30 FIRE EXTINGUISHER AND FIRST AID KIT...................................... 30 SAFETY EQUIPMENT......................................................... 30 KEEP MACHINE CLEAN....................................................... 31 KEEP OPERATOR'S COMPARTMENT CLEAN........................................ 31 LEAVING OPERATOR'S SEAT WITH LOCK........................................ 31 HANDRAILS AND STEPS...................................................... 32 MOUNTING AND DISMOUNTING................................................. 32 NO PERSONS ON ATTACHMENTS................................................ 32 BURN PREVENTION.......................................................... 33 HOT COOLANT.......................................................... 33 HOT OIL.............................................................. 33 FIRE AND EXPLOSION PREVENTION............................................ 33 FIRE CAUSED BY FUEL OR OIL........................................... 33 FIRE CAUSED BY ACCUMULATION OF FLAMMABLE MATERIAL.................... 34 FIRE FROM ELECTRIC WIRING............................................ 34 FIRE FROM HYDRAULIC LINE............................................. 34 EXPLOSION CAUSED BY LIGHTS........................................... 34 ACTION IF FIRE OCCURS.................................................... 34 WINDSHIELD WASHER FLUID.................................................. 34 FALLING, FLYING AND INTRUDING OBJECTS PREVENTION......................... 34 ATTACHMENT INSTALLATION.................................................. 35 ATTACHMENT COMBINATIONS.................................................. 35 CAB WINDOW GLASS......................................................... 35 UNAUTHORIZED MODIFICATIONS............................................... 35 SAFETY AT JOBSITE........................................................ 35 WORKING ON LOOSE GROUND.................................................. 36 DISTANCE TO HIGH VOLTAGE CABLES.......................................... 36 ENSURE GOOD VISIBILITY................................................... 37 VENTILATION FOR ENCLOSED AREA............................................ 37 SIGNALMAN'S SIGNAL AND SIGNS............................................. 37 EMERGENCY EXIT FROM OPERATOR'S CAB....................................... 37 ASBESTOS DUST HAZARD PREVENTION.......................................... 37 SAFE MACHINE OPERATION....................................................... 38 STARTING ENGINE.......................................................... 38 CHECKS BEFORE STARTING ENGINE............................................ 38 SAFETY RULES FOR STARTING ENGINE......................................... 38 STARTING ENGINE IN COLD WEATHER.......................................... 38 OPERATION.................................................................... 39 CHECKS AFTER STARTING ENGINE, BEFORE OPERATION........................... 39 SAFETY RULES FOR CHANGING MACHINE DIRECTIONS............................. 39 SAFETY RULES FOR TRAVELING............................................... 40 TRAVELING ON SLOPES...................................................... 41 OPERATIONS ON SLOPES..................................................... 42 PROHIBITED OPERATIONS.................................................... 43 OPERATIONS ON SNOW....................................................... 44 PARKING MACHINE.......................................................... 45 TRANSPORTATION........................................................... 46 SHIPPING THE MACHINE..................................................... 46 BATTERY.................................................................. 47 BATTERY HAZARD PREVENTION............................................ 47 STARTING ENGINE WITH BOOSTER CABLES.................................. 48 TOWING................................................................... 49 SAFETY RULES FOR TOWING.............................................. 49 LIFTING OBJECTS WITH BUCKET.............................................. 50 SAFETY RULES FOR LIFTING OBJECTS..................................... 50 SAFETY MAINTENANCE INFORMATION............................................... 51 WARNING TAG.............................................................. 51 KEEP WORK PLACE CLEAN AND TIDY........................................... 51 APPOINT LEADER WHEN WORKING WITH OTHERS.................................. 51 STOP ENGINE BEFORE CARRYING OUT MAINTENANCE.............................. 52 TWO WORKERS FOR MAINTENANCE WHEN ENGINE IS RUNNING....................... 53 PROPER TOOLS............................................................. 53 ACCUMULATOR.............................................................. 54 PERSONNEL................................................................ 54 ATTACHMENTS.............................................................. 54 NOISE.................................................................... 55 WHEN USING HAMMER........................................................ 55 WELDING.................................................................. 55 REMOVING BATTERY TERMINALS............................................... 55 ADJUSTING TRACK TENSION.................................................. 56 DO NOT DISASSEMBLE RECOIL SPRINGS........................................ 56 SAFETY RULES FOR HIGH-PRESSURE OIL....................................... 56 SAFETY HANDLING HIGH-PRESSURE HOSES...................................... 57 WASTE MATERIALS.......................................................... 57 AIR CONDITIONER MAINTENANCE.............................................. 57 COMPRESSED AIR........................................................... 57 PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS............................ 57 OPERATION........................................................................ 59 GENERAL VIEW................................................................. 60 GENERAL VIEW OF MACHINE.................................................. 60 GENERAL VIEW CONTROLS AND GAUGES......................................... 61 EXPLANATION OF COMPONENTS.................................................... 62 MACHINE MONITOR.......................................................... 62 BASIC OPERATION OF MACHINE MONITOR....................................... 63 IF THERE IS ABNORMALITY WHEN STARTING ENGINE......................... 63 IF ANY ABNORMALITY OCCURS DURING OPERATION........................... 64 BASIC CHECK ITEMS........................................................ 65 RADIATOR COOLANT LEVEL MONITOR....................................... 65 ENGINE OIL LEVEL MONITOR............................................. 66 MAINTENANCE INTERVAL MONITOR......................................... 66 CAUTION ITEMS............................................................ 67 CHARGE LEVEL MONITOR................................................. 67 FUEL LEVEL MONITOR................................................... 68 AIR CLEANER CLOGGING MONITOR......................................... 68 ENGINE COOLANT TEMPERATURE MONITOR................................... 68 HYDRAULIC OIL TEMPERATURE MONITOR.................................... 68 EMERGENCY STOP ITEMS..................................................... 69 ENGINE COOLANT TEMPERATURE MONITOR................................... 69 HYDRAULIC OIL TEMPERATURE MONITOR.................................... 70 ENGINE OIL PRESSURE MONITOR.......................................... 70 METER DISPLAY PORTION.................................................... 71 PILOT DISPLAY........................................................ 71 METERS............................................................... 73 MONITOR SWITCHES......................................................... 75 WORKING MODE SELECTOR SWITCH (BASIC SWITCH).......................... 76 AUTO-DECELERATION SWITCH............................................. 77 TRAVEL SPEED SELECTOR SWITCH......................................... 78 WIPER SWITCH......................................................... 79 WINDOW WASHER SWITCH................................................. 80 MAINTENANCE SWITCH................................................... 80 SELECT SWITCH........................................................ 83 BACK SWITCH.......................................................... 84 UP SWITCH, DOWN SWITCH............................................... 84 INPUT CONFIRMATION SWITCH............................................ 84 LIQUID CRYSTAL MONITOR ADJUSTMENT SWITCH............................. 85 SWITCHES................................................................. 87 STARTING SWITCH...................................................... 87 FUEL CONTROL DIAL.................................................... 88 CIGARETTE LIGHTER.................................................... 88 SWING LOCK SWITCH.................................................... 88 LAMP SWITCH.......................................................... 89 ALARM BUZZER STOP SWITCH............................................. 89 HORN SWITCH.......................................................... 89 KNOB SWITCH.......................................................... 89 ROOM LAMP SWITCH..................................................... 90 EMERGENCY PUMP DRIVE SWITCH.......................................... 90 SWING BRAKE CANCEL SWITCH............................................ 90 ROTATING LAMP SWITCH................................................. 91 CONTROL LEVERS, PEDALS................................................... 92 SAFETY LOCK LEVER.................................................... 92 TRAVEL LEVERS........................................................ 93 WORK EQUIPMENT CONTROL LEVER......................................... 94 CEILING WINDOW........................................................... 95 FRONT WINDOW............................................................. 95 EMERGENCY EXIT FROM OPERATOR'S CAB.......................................100 DOOR LOCK................................................................101 CAP, COVER WITH LOCK.....................................................101 OPENING AND CLOSING CAP WITH LOCK....................................101 OPENING AND CLOSING COVER WITH LOCK..................................102 HOT AND COOL BOX.........................................................102 MAGAZINE BOX WITH CUP HOLDER.............................................102 ASHTRAY..................................................................103 AIR CONDITIONER..........................................................104 AIR CONDITIONER CONTROL PANEL........................................104 OPERATION............................................................108 PRECAUTIONS WHEN USING AIR CONDITIONER...............................115 CHECK, MAINTAIN MACHINE EQUIPPED WITH AIR CONDITIONER................115 OTHER FUNCTIONS......................................................116 RADIO....................................................................118 EXPLANATION OF COMPONENTS............................................118 OPERATION............................................................121 POWER PICK-UP PORT...................................................123 FUSE.....................................................................123 FUSE CAPACITIES AND CIRCUIT NAMES....................................124 FUSIBLE LINK.............................................................124 CONTROLLER...............................................................125 TOOLBOX..................................................................125 GREASE GUN HOLDER........................................................125 HANDLING THE ACCUMULATOR.................................................126 RELEASING PRESSURE IN CONTROL CIRCUIT................................126 MACHINE OPERATIONS AND CONTROLS..............................................127 BEFORE STARTING ENGINE...................................................127 WALK-AROUND CHECKS...................................................127 CHECKS BEFORE STARTING...............................................128 ADJUSTMENTS BEFORE OPERATION.........................................135 SEAT BELT............................................................137 BEFORE STARTING ENGINE...............................................138 STARTING ENGINE..........................................................141 NORMAL STARTING......................................................141 STARTING ENGINE IN COLD WEATHER......................................143 AFTER STARTING ENGINE....................................................145 BREAKING-IN THE NEW MACHINE..........................................145 WARM UP OPERATION....................................................146 IN COLD AREAS (AUTOMATIC WARM UP OPERATION)..............................150 STOPPING THE ENGINE......................................................155 CHECK AFTER SHUTTING OFF ENGINE..........................................155 MACHINE OPERATION........................................................156 PREPARATIONS FOR MOVING THE MACHINE..................................156 MOVING MACHINE FORWARD...............................................157 MOVING MACHINE BACKWARD..............................................158 STOPPING MACHINE.....................................................159 STEERING THE MACHINE.....................................................160 STEERING THE MACHINE WHEN STOPPED....................................160 CHANGING DIRECTION OF THE MACHINE....................................161 COUNTER-ROTATION TURN (SPIN TURN)....................................161 SWINGING.................................................................162 WORK EQUIPMENT CONTROLS AND OPERATIONS.......................................163 OPERATING WORKING MODE...................................................164 WORKING MODE.........................................................164 ONE-TOUCH POWER MAX SWITCH...........................................164 PROHIBITED OPERATIONS....................................................165 SWING FORCE..........................................................165 TRAVEL FORCE.........................................................165 HYDRAULIC CYLINDER STROKE ENDS.......................................165 BUCKET DROPPING FORCE................................................166 MACHINE DROPPING FORCE...............................................166 DIGGING HARD ROCKY GROUND............................................166 ABRUPT LEVER SHIFTING AT HIGH SPEED TRAVEL...........................166 GENERAL OPERATION INFORMATION............................................167 TRAVELING............................................................167 HIGH SPEED TRAVEL....................................................167 PERMISSIBLE WATER DEPTH..............................................167 TRAVELING ON SLOPES......................................................168 TRAVELING DOWNHILL...................................................169 ENGINE STOPPED ON SLOPE..............................................169 PRECAUTIONS ON SLOPES................................................169 ESCAPE FROM MUD..........................................................170 ONE SIDE OF TRACK STUCK..............................................170 BOTH SIDES OF TRACKS STUCK...........................................170 RECOMMENDED APPLICATIONS.................................................171 BACKHOE WORK.........................................................171 SHOVEL WORK..........................................................171 DITCHING WORK........................................................172 LOADING WORK.........................................................172 REPLACEMENT AND INVERSION OF BUCKET......................................173 REPLACEMENT..........................................................173 INVERSION............................................................175 PARKING MACHINE..........................................................177 CHECK AFTER FINISHING WORK...............................................178 LOCKING..................................................................179 TRANSPORTATION...............................................................180 TRANSPORTATION PROCEDURE.................................................180 LOADING AND UNLOADING WITH TRAILER.......................................181 LOADING..............................................................182 SECURING MACHINE.....................................................185 UNLOADING............................................................187 LIFTING MACHINE..........................................................189 COLD WEATHER OPERATION.......................................................191 FUEL AND LUBRICANTS......................................................191 COOLING SYSTEM COOLANT...................................................191 BATTERY..................................................................192 AFTER OPERATIONS.........................................................193 AFTER COLD WEATHER SEASON................................................193 LONG TERM STORAGE............................................................194 BEFORE STORAGE...........................................................194 DURING STORAGE...........................................................194 AFTER STORAGE............................................................194 STARTING MACHINE.....................................................194 TROUBLESHOOTING..............................................................195 AFTER RUNNING OUT OF FUEL................................................195 PHENOMENA THAT ARE NOT FAILURES..........................................195 TOWING THE MACHINE.......................................................196 LIGHTWEIGHT TOWING HOOK..................................................196 PRECAUTIONS ON PARTICULAR JOBSITES.......................................197 DISCHARGED BATTERY.......................................................197 REMOVAL AND INSTALLATION OF BATTERY..................................198 BATTERY CHARGES......................................................198 STARTING ENGINE WITH BOOSTER CABLES..................................199 OTHER TROUBLE............................................................201 ELECTRICAL SYSTEM....................................................201 CHASSIS..............................................................202 ENGINE...............................................................203 ELECTRONIC CONTROL SYSTEM............................................205 MAINTENANCE......................................................................207 MAINTENANCE INFORMATION......................................................208 SERVICE METER READING....................................................208 KOMATSU GENUINE REPLACEMENT PARTS........................................208 KOMATSU GENUINE LUBRICANTS...............................................208 WINDSHIELD WASHER FLUID..................................................208 FRESH AND CLEAN LUBRICANTS...............................................208 CHECK DRAINED OIL AND USED FILTER........................................208 FUEL STRAINER............................................................208 WELDING INSTRUCTIONS.....................................................208 DO NOT DROP THINGS INSIDE MACHINE........................................208 DUSTY JOBSITE............................................................209 AVOID MIXING LUBRICANTS..................................................209 LOCKING THE INSPECTION COVERS............................................209 HYDRAULIC SYSTEM - AIR BLEEDING..........................................209 HYDRAULIC HOSE INSTALLATION..............................................209 CHECKS AFTER INSPECTION AND MAINTENANCE WORKS............................209 SELECTING FUEL AND LUBRICANTS TO MATCH AMBIENT TEMPERATURE...............210 LUBRICANTS, COOLANT AND FILTERS..............................................211 HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC...................211 OIL..................................................................211 FUEL.................................................................211 COOLING SYSTEM COOLANT...............................................212 GREASE...............................................................212 CARRYING OUT KOWA (Komatsu Oil Wear Analysis)........................212 OIL AND FUEL STORAGE.................................................213 FILTERS..............................................................213 ELECTRIC SYSTEM MAINTENANCE..............................................214 HANDLING HYDRAULIC SYSTEM................................................214 WEAR PARTS LIST..............................................................215 FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE................216 PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS.........................216 TIGHTENING TORQUE SPECIFICATIONS.............................................218 PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS................................219 SAFETY CRITICAL PARTS....................................................219 MAINTENANCE SCHEDULE.........................................................220 MAINTENANCE SCHEDULE CHART...............................................220 MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER...............................222 REPLACING HYDRAULIC ELEMENT..........................................222 CHANGING OIL IN HYDRAULIC TANK.......................................222 REPLACING ADDITIONAL FILTER ELEMENT FOR BREAKER......................222 MAINTENANCE PROCEDURE........................................................223 INITIAL 250 HOURS MAINTENANCE............................................223 WHEN REQUIRED............................................................224 CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT.........................224 CLEAN INSIDE OF COOLING SYSTEM.......................................229 CHECK AND TIGHTEN TRACK SHOE BOLTS...................................232 CHECK AND ADJUST TRACK TENSION.......................................233 CHECK ELECTRICAL INTAKE AIR HEATER...................................234 REPLACE BUCKET TEETH (VERTICAL PIN TYPE).............................235 REPLACE BUCKET TEETH (HORIZONTAL PIN TYPE)...........................238 ADJUST BUCKET CLEARANCE..............................................240 CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID...........................241 CHECK AND ADJUST AIR CONDITIONER.....................................242 CLEANING CAB FLOOR...................................................243 BLEEDING AIR FROM HYDRAULIC SYSTEM...................................245 RELEASING INTERNAL PRESSURE IN HYDRAULIC CIRCUIT.....................247 CHECK BEFORE STARTING....................................................248 EVERY 100 HOURS MAINTENANCE..............................................249 LUBRICATING..........................................................249 EVERY 250 HOURS MAINTENANCE..............................................250 CHECK OIL LEVEL IN MACHINERY CASE, ADD OIL...........................250 CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL.........................250 CHECK LEVEL OF BATTERY ELECTROLYTE...................................251 CHECK, ADJUST TENSION OF AIR CONDITIONER COMPRESSOR BELT.............253 EVERY 500 HOURS MAINTENANCE..............................................254 LUBRICATING..........................................................254 LUBRICATE SWING CIRCLE (2 POINTS)....................................256 CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE....256 REPLACE FUEL FILTER CARTRIDGE........................................257 CHECK SWING PINION GREASE LEVEL, ADD GREASE..........................258 CLEAN AND INSPECT RADIATOR, OIL COOLER AND CONDENSER FINS............259 CLEAN INTERNAL AND EXTERNAL AIR CONDITIONER AIR FILTERS..............260 REPLACE BREATHER ELEMENT IN HYDRAULIC TANK...........................261 EVERY 1000 HOURS MAINTENANCE.............................................262 REPLACE HYDRAULIC FILTER ELEMENT.....................................262 CHANGE OIL IN SWING MACHINERY CASE...................................263 CHECK OIL LEVEL IN DAMPER CASE, ADD OIL..............................264 CHECK ALL TIGHTENING PARTS OF TURBOCHARGER...........................264 CHECK PLAY OF TURBOCHARGER ROTOR.....................................264 CHECK FAN BELT TENSION AND REPLACE FAN BELT..........................264 EVERY 2000 HOURS MAINTENANCE.............................................265 CHANGE OIL IN FINAL DRIVE CASE.......................................265 CLEAN HYDRAULIC TANK STRAINER........................................266 CLEAN, CHECK TURBOCHARGER............................................266 CHECK ALTERNATOR, STARTING MOTOR.....................................266 CHECK ENGINE VALVE CLEARANCE, ADJUST.................................266 CHECK VIBRATION DAMPER...............................................266 EVERY 4000 HOURS MAINTENANCE.............................................267 CHECK WATER PUMP.....................................................267 EVERY 5000 HOURS MAINTENANCE.............................................268 CHANGE OIL IN HYDRAULIC TANK.........................................268 SPECIFICATIONS...................................................................269 SPECIFICATIONS...............................................................270 OPTIONS, ATTACHMENTS.............................................................273 GENERAL PRECAUTIONS..........................................................274 PRECAUTIONS RELATED TO SAFETY............................................274 PRECAUTIONS WHEN INSTALLING ATTACHMENTS..................................276 HANDLING BUCKET WITH HOOK....................................................277 CHECKING FOR DAMAGE TO BUCKET WITH HOOK..................................277 PRECAUTIONS DURING OPERATIONS............................................277 MACHINES READY FOR ATTACHMENTS...............................................278 EXPLANATION OF COMPONENTS................................................278 STOP VALVE...........................................................278 SELECTOR VALVE.......................................................279 ATTACHMENT CONTROL PEDAL.............................................279 LOCK PIN.............................................................279 ADDITIONAL FILTER FOR BREAKER........................................280 ACCUMULATOR..........................................................280 HYDRAULIC CIRCUIT........................................................281 SWITCHING THE HYDRAULIC CIRCUIT......................................281 ADJUSTING OIL FLOW...................................................281 SWITCHING BETWEEN BREAKER AND GENERAL ATTACHMENT.....................281 HYDRAULIC CIRCUIT CONNECTION.........................................282 OIL FLOW.............................................................283 REPLACE ADDITIONAL BREAKER FILTER ELEMENT............................284 ATTACHMENT INSTALLATION AND REMOVAL PROCEDURE............................285 REMOVAL PROCEDURE....................................................285 INSTALLATION PROCEDURE...............................................286 OPERATION................................................................287 WHEN USING BREAKER...................................................287 WHEN USING CRUSHER OR OTHER GENERAL ATTACHMENT.......................288 LONG-TERM STORAGE........................................................289 SPECIFICATIONS...........................................................289 ATTACHMENT GUIDE.............................................................290 COMBINATIONS OF WORK EQUIPMENT...........................................290 SELECTION OF TRACK SHOES.................................................292 SELECTING SHOES......................................................292 SELECTION OF BUCKET TEETH................................................293 SELECTING TEETH......................................................293 STANDARDS FOR SELECTING VERTICAL AND HORIZONTAL PIN TYPE TEETH...........293 HANDLING TRAPEZOIDAL BUCKET..............................................294 HOW TO EXCAVATE......................................................294 DITCH GRADIENT OF 45 ................................................294 DITCH GRADIENT OF 40 AND 38 ........................................296 HANDLING EXTENSION ARM...................................................296 HANDLING CLAMSHELL BUCKET................................................297 HOW TO PERFORM EXCAVATION............................................297 PRECAUTIONS WHEN USING...............................................297 LUBRICATING..........................................................297 RECOMMENDED ATTACHMENT OPERATIONS............................................298 HYDRAULIC BREAKER........................................................298 MAIN APPLICATIONS....................................................298 PROHIBITED OPERATIONS................................................300 GREASING POSITION FOR HYDRAULIC BREAKER..............................302
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