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KOMATSU WA250PZ-5 WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:H50051 & UP) KOMATSU WA250PZ 5 – PDF DOWNLOAD
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- KOMATSU WA250PZ-5 WHEEL LOADER OPERATION & MAINTENANCE MANUAL
- SERIAL NUMBER:H50051 & UP
- PUBLICATION NUMBER:VEAM945101
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Description
KOMATSU WA250PZ-5 WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:H50051 & UP) KOMATSU WA250PZ 5
KOMATSU WA250PZ-5 WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:H50051 & UP) KOMATSU WA250PZ 5 – PDF DOWNLOAD:
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KOMATSU WA250PZ-5 WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:H50051 & UP) KOMATSU WA250PZ 5
This manual provides rules and guidelines which 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 fundamental safety rules for the operation and maintenance of machines. Accidents can be prevented by knowing beforehand conditions that may cause a hazard when performing operation and maintenance
TABLE OF CONTENTS:
KOMATSU WA250PZ-5 WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:H50051 & UP) KOMATSU WA250PZ 5
COVER.......................................................................................... 1 FOREWORD....................................................................................... 3 Foreword................................................................................... 4 Safety information......................................................................... 6 Introduction............................................................................... 8 Intended use........................................................................... 8 Directions of machine.................................................................. 8 Necessary information...................................................................... 9 Machine serial No. plate and position.................................................. 9 Engine serial No. plate and position................................................... 9 ROPS/FOPS-Cab serial no. plate......................................................... 10 Axle serial no. plate.................................................................. 10 Transmission serial no. plate.......................................................... 10 Seat operator serial no. plate......................................................... 10 Position of service meter.............................................................. 11 Table to enter serial No. and distributor.............................................. 11 Contents................................................................................... 12 Dimensions, weights and operating data..................................................... 18 WA250PZ-5: Dimensions, weights and operating data...................................... 18 CE-conforming equipment.................................................................... 19 CE-conforming equipment (pin on version)............................................... 19 CE-conforming equipment (quick coupler version)........................................ 19 Manufacturer-supplied CE-conforming equipment, according to document 421-93-H1900...... 21 SAFETY......................................................................................... 25 Safety labels.............................................................................. 27 Location of safety labels.............................................................. 27 Presentation of safety labels.......................................................... 28 General precautions........................................................................ 31 Safety rules........................................................................... 31 Precautions for operation.................................................................. 40 Starting engine........................................................................ 40 Operation.............................................................................. 41 Transportation......................................................................... 48 Battery................................................................................ 49 Towing................................................................................. 51 Precautions for maintenance................................................................ 52 Safety instructions.................................................................... 52 Precautions with tires..................................................................... 59 Handling tires......................................................................... 59 Precautions when storing tires......................................................... 59 OPERATION...................................................................................... 61 General view............................................................................... 63 General view of machine................................................................ 63 General view of controls and gauges.................................................... 64 Explanation of components.................................................................. 66 Machine monitor........................................................................ 66 Monitor system..................................................................... 67 Types of warning................................................................... 68 Central warning lamp............................................................... 69 Character display portion.......................................................... 70 Emergency stop item................................................................ 74 Caution items...................................................................... 76 Warning/limit functions for travel speed........................................... 78 Inspection and maintenance item.................................................... 79 Pilot display portion.............................................................. 81 Meter display portion.............................................................. 84 Other functions of machine monitor................................................. 86 Switches............................................................................... 90 Control levers, pedals................................................................. 98 Steering tilt lock lever...............................................................101 Cap and cover with lock................................................................102 Safety bar.............................................................................103 Towing pin.............................................................................103 Grease pump............................................................................103 Cab door inner lock....................................................................104 Cab door open lock.....................................................................104 Cab window open lock cancel knob.......................................................104 Fuse...................................................................................105 Fuse capacity and name of circuit..................................................105 Slow blow fuse.........................................................................106 Power outlet...........................................................................107 Air conditioner........................................................................108 General locations and function of control panel....................................108 Method of operation................................................................111 Precautions when using.............................................................112 Handling cab wiper.....................................................................113 Preventing damage to wiper arm bracket.............................................113 Operation..................................................................................114 Check before starting engine, adjust...................................................114 Walk-around check..................................................................114 Check before starting..............................................................117 Adjustment.........................................................................122 Operations and checks before starting engine.......................................126 Starting engine........................................................................128 Operations and checks after starting engine............................................130 Breaking-in the machine............................................................130 Normal operation...................................................................130 Stopping engine........................................................................132 Moving the machine (Directional, speed), stopping the machine..........................133 Moving the machine.................................................................133 Changing direction.................................................................135 Stopping the machine...............................................................138 Turning................................................................................139 Emergency steering.................................................................139 Operation of work equipment............................................................140 Handling hydraulic quick coupler (option)..............................................141 REMOVING THE ATTACHMENT............................................................141 Installing the attachment..........................................................142 Removal and installation of the attachment.........................................144 Precautions for use................................................................144 Precautions when removing the attachment...........................................144 Work possible using wheel loader.......................................................145 Digging operations.................................................................145 Leveling operations................................................................147 Pushing operation..................................................................147 Load and carry operations..........................................................147 Loading operations.................................................................148 Precautions for operation..............................................................150 Permissible water depth............................................................150 If wheel brake does not work.......................................................150 Precautions when driving up or down slopes.........................................150 Adjusting work equipment posture.......................................................151 Adjusting boom kickout.............................................................151 Adjusting bucket positioner........................................................152 Adjusting fork positioner..........................................................153 Bucket level indicator.............................................................153 Parking machine........................................................................154 Check after stopping engine............................................................156 Checks after completion of operation...................................................156 Locking................................................................................156 Handling the tires.....................................................................157 Precautions when handling tires....................................................157 Tire pressure......................................................................157 Precautions for using load and car method..........................................158 Transportation.............................................................................159 Transportation procedure...............................................................159 Loading, unloading work with trailers..................................................159 Loading............................................................................159 Securing machine...................................................................160 Unloading..........................................................................161 Lifting machine........................................................................162 Location of lifting position mark..................................................163 Lifting procedure..................................................................164 Cold weather operation.....................................................................165 Precautions for low temperature........................................................165 Fuel and lubricants................................................................165 Coolant............................................................................165 Battery............................................................................166 Precautions after completion of work...................................................167 After cold weather.....................................................................167 Warming-up operation for steering hydraulic circuit in cold weather....................167 Long-term storage..........................................................................168 Before storage.........................................................................168 During storage.........................................................................168 After storage..........................................................................168 Troubleshooting............................................................................169 When machine runs out of fuel..........................................................169 Towing the machine.....................................................................169 When engine can be used............................................................170 When engine cannot be used.........................................................170 If battery is discharged...............................................................171 Removal and installation of battery................................................171 Precautions for charging battery...................................................172 Starting engine with booster cable.................................................172 Other trouble..........................................................................174 Electrical system..................................................................174 Chassis............................................................................175 Engine.............................................................................177 MAINTENANCE....................................................................................179 Guides to maintenance......................................................................180 Outlines of service........................................................................182 Handling oil, fuel, coolant, grease and performing oil clinic..........................182 Oil................................................................................182 Fuel...............................................................................182 Coolant............................................................................183 Grease.............................................................................183 Carrying out KOWA (Komatsu Oil Wear Analysis)......................................183 Storing oil and fuel...............................................................184 Filters............................................................................185 Biodegradable hydraulic oil and lubricants.........................................185 Outline of electric system.............................................................185 Wear parts.................................................................................186 Wear parts list........................................................................186 Fuel, coolant and lubricants...............................................................187 Lubrication chart......................................................................188 Proper selection of fuel, coolant and lubricants.......................................189 Recommended brands, recommended quality for products other than komatsu genuine oil....191 Standard tightening torques for bolts and nuts.............................................192 Torque list............................................................................192 Periodic replacement of safety critical parts..............................................194 Safety critical parts..................................................................194 Maintenance schedule chart.................................................................196 Service schedule.......................................................................196 Service procedure..........................................................................198 Initial 50 hours service (only after the first 50 hours)...............................198 Check for loose wheel hub bolts, tighten...........................................198 Initial 250 hours service (only after the first 250 hours).............................198 When required..........................................................................199 Check, clean, or replace air cleaner element.......................................199 Dust pre-extractor "Turbo II": check, clean........................................202 Clean inside of cooling system.....................................................203 Check oil level in transfer case, add oil..........................................206 Check axle oil level, add oil......................................................207 Clean axle case breather...........................................................208 Clean air conditioner condenser....................................................208 Check window washing fluid level, add fluid........................................209 Cleaning radiator fins using the reversible fan....................................210 Clean radiator fins and cooler fins................................................211 Clean transfer oil cooler fins.....................................................212 Check electrical intake air heater.................................................212 Replace bolt on cutting edge.......................................................212 Replace bucket teeth...............................................................213 Check air conditioner..............................................................214 Replace slow blow fuse.............................................................215 Checking function of accumulator...................................................216 Selection and inspection of tires..................................................217 Check before starting..................................................................219 Every 50 hours service.................................................................220 Drain water, sediment from fuel tank...............................................220 Every 100 hours service................................................................221 Lubricate rear axle pivot pin......................................................221 Clean element in air conditioner fresh air filter..................................221 Check oil level in hydraulic tank, add oil.........................................222 Every 250 hours service................................................................223 Check battery electrolyte level....................................................223 Check parking brake................................................................225 Check air conditioner compressor belt tension, adjust..............................225 Check for loose wheel hub bolts, tighten...........................................226 Clean element in air conditioner recirculation filter..............................227 Checking function of accumulator...................................................228 Lubricating........................................................................229 Every 500 hours service................................................................230 Change oil in engine oil pan, replace engine oil filter cartridge..................230 Replace fuel filter cartridge......................................................231 Clean water separator strainer.....................................................232 Every 1000 hours service...............................................................233 Change oil in transfer case........................................................233 Clean transfer case breather.......................................................234 Replace HST oil filter element.....................................................235 Lubricating........................................................................236 Check tightening parts of turbocharger.............................................236 Check play of turbocharger rotor...................................................236 Check alternator driving belt tension and replacement..............................236 Every 2000 hours service...............................................................237 Change oil in hydraulic tank, replace hydraulic filter element.....................237 Replace hydraulic tank breather element............................................238 Cleaning the strainer of the brake filter..........................................239 Change axle oil....................................................................240 Replace element in air conditioner recirculation air filter, fresh air filter......240 Check alternator, starting motor...................................................240 Check engine valve clearance, adjust...............................................240 Check brake disc wear..............................................................241 Clean and check turbocharger.......................................................241 Check vibration damper.............................................................241 Every 4000 hours service...............................................................242 Lubricating........................................................................242 Check water pump...................................................................242 TECHNICAL DATA.................................................................................243 Technical data.............................................................................244 Noise emission levels......................................................................246 Vibration levels...........................................................................246 Operating condition:...................................................................246 Guide to Reduce Vibration Levels on Machine............................................246 ATTACHMENTS, OPTIONS...........................................................................249 Selecting bucket and tires.................................................................250 Handling fork tool.........................................................................251 Explanation of components..............................................................251 Work equipment lever...............................................................251 Operation..............................................................................252 Loading operation..................................................................252 Method of using 3 levers...................................................................255 Explanation of components..............................................................255 Lift arm control lever.............................................................255 Bucket control lever...............................................................256 Auxiliary control lever............................................................256 Directional selector switch........................................................256 Directional selector actuation switch..............................................257 Operation..............................................................................258 Using switch to change between forward and reverse.................................258 Reversible fan.............................................................................260 Central lubrication system.................................................................261 Operating the central lubrication system...............................................261 Display and control unit...............................................................261 Led-display........................................................................261 Pushbuttons........................................................................262 Changing the lubrication interval times................................................262 Handling machines equipped with KOMTRAX....................................................263 Basic precautions......................................................................263 INDEX..........................................................................................265 Index......................................................................................267 NOTES..........................................................................................269 NOTES......................................................................................270
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