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KOMATSU WA250-5H WHEEL LOADER Operation & Maintenance Manual (SN:H50051 AND UP) KOMATSU WA250 5H – PDF DOWNLOAD
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- KOMATSU WA250-5H WHEEL LOADER Operation & Maintenance Manual
- SERIAL NUMBER:H50051 AND UP
- PUBLICATION NUMBER:VEAM230100
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Description
KOMATSU WA250-5H WHEEL LOADER Operation & Maintenance Manual (SN:H50051 AND UP) KOMATSU WA250 5H
KOMATSU WA250-5H WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:H50051 AND UP) KOMATSU WA250 5H – PDF DOWNLOAD:
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DESCRIPTION:
KOMATSU WA250-5H WHEEL LOADER Operation & Maintenance Manual (SN:H50051 AND UP) KOMATSU WA250 5H
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 WA250-5H WHEEL LOADER Operation & Maintenance Manual (SN:H50051 AND UP) KOMATSU WA250 5H
WA250-5H..................................................................................... 1 FOREWORD..................................................................................... 3 Foreword................................................................................. 4 Safety information....................................................................... 6 Introduction............................................................................. 8 Directions of machine................................................................ 8 Necessary information.................................................................... 9 Machine serial No. plate and position................................................ 9 Engine serial No. plate and position................................................. 9 Position of service meter............................................................ 10 Table to enter serial No. and distributor............................................ 10 Contents................................................................................. 11 Dimensions, weights and operating data................................................... 17 WA250-5H: Dimensions, weights and operating data..................................... 17 CE-conforming equipment.................................................................. 18 CE-conforming equipment.............................................................. 18 Manufacturer-supplied CE-conforming equipment, according to document421-93-H1900.... 19 SAFETY....................................................................................... 23 Safety labels............................................................................ 25 Location of safety labels............................................................ 25 Presentation of safety labels........................................................ 26 General precautions...................................................................... 29 Safety rules......................................................................... 29 Precautions for operation................................................................ 38 Starting engine...................................................................... 38 Operation............................................................................ 39 Transportation....................................................................... 46 Battery.............................................................................. 47 Towing............................................................................... 49 Precautions for maintenance.............................................................. 50 Safety instructions.................................................................. 50 Precautions with tires................................................................... 56 Handling tires....................................................................... 56 Precautions when storing tires....................................................... 56 OPERATION.................................................................................... 57 General view............................................................................. 59 General view of machine.............................................................. 59 General view of controls and gauges.................................................. 60 Explanation of components................................................................ 62 Machine monitor...................................................................... 62 Monitor system................................................................... 63 Types of warning................................................................. 64 Central warning lamp............................................................. 65 Character display portion........................................................ 66 Emergency stop item.............................................................. 70 Caution items.................................................................... 72 Warning/limit functions for travel speed......................................... 74 Inspection and maintenance item.................................................. 75 Pilot display portion............................................................ 77 Meter display portion............................................................ 80 Other functions of machine monitor............................................... 82 Switches............................................................................. 86 Control levers, pedals............................................................... 93 Steering tilt lock lever............................................................. 96 Cap and cover with lock.............................................................. 97 Safety bar........................................................................... 98 Towing pin........................................................................... 98 Grease pump.......................................................................... 98 Cab door inner lock.................................................................. 99 Cab door open lock................................................................... 99 Cab window open lock cancel knob..................................................... 99 Fuse.................................................................................100 Fuse capacity and name of circuit................................................100 Slow blow fuse.......................................................................101 Power outlet.........................................................................102 Air conditioner......................................................................103 General locations and function of control panel..................................103 Method of operation..............................................................106 Precautions when using...........................................................107 Handling cab wiper...................................................................108 Preventing damage to wiper arm bracket...........................................108 Operation................................................................................109 Check before starting engine, adjust.................................................109 Walk-around check................................................................109 Check before starting............................................................112 Adjustment.......................................................................117 Operations and checks before starting engine.....................................121 Starting engine......................................................................123 Operations and checks after starting engine..........................................125 Breaking-in the machine..........................................................125 Normal operation.................................................................125 Stopping engine......................................................................126 Moving the machine (Directional, speed), stopping the machine........................127 Moving the machine...............................................................127 Changing direction...............................................................129 Stopping the machine.............................................................131 Turning..............................................................................132 Emergency steering...............................................................132 Operation of work equipment..........................................................133 Work possible using wheel loader.....................................................134 Digging operations...............................................................134 Leveling operations..............................................................136 Pushing operation................................................................136 Load and carry operations........................................................136 Loading operations...............................................................137 Precautions for operation............................................................139 Permissible water depth..........................................................139 If wheel brake does not work.....................................................139 Precautions when driving up or down slopes.......................................139 Adjusting work equipment posture.....................................................140 Adjusting boom kickout...........................................................140 Adjusting bucket positioner......................................................141 Bucket level indicator...........................................................141 Parking machine......................................................................142 Check after stopping engine..........................................................144 Checks after completion of operation.................................................144 Locking..............................................................................144 Handling the tires...................................................................145 Precautions when handling tires..................................................145 Tire pressure....................................................................145 Precautions for using load and car 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.................................................154 After cold weather...................................................................154 Warming-up operation for steering hydraulic circuit in cold weather..................154 Long-term storage........................................................................155 Before storage.......................................................................155 During storage.......................................................................155 After storage........................................................................155 Troubleshooting..........................................................................156 When machine runs out of fuel........................................................156 Towing the machine...................................................................156 When engine can be used..........................................................157 When engine cannot be used.......................................................157 If battery is discharged.............................................................158 Removal and installation of battery..............................................158 Precautions for charging battery.................................................159 Starting engine with booster cable...............................................159 Other trouble........................................................................161 Electrical system................................................................161 Chassis..........................................................................162 Engine...........................................................................164 MAINTENANCE..................................................................................167 Guides to maintenance....................................................................168 Outlines of service......................................................................170 Handling oil, fuel, coolant and performing oil clinic................................170 Oil..............................................................................170 Fuel.............................................................................170 Coolant..........................................................................170 Grease...........................................................................170 Carrying out KOWA (Komatsu Oil Wear Analysis)....................................171 Storing oil and fuel.............................................................171 Filters..........................................................................172 Biodegradable hydraulic oil and lubricants.......................................172 Outline of electric system...........................................................172 Wear parts...............................................................................173 Wear parts list......................................................................173 Fuel, coolant and lubricants.............................................................174 Lubrication chart....................................................................174 Proper selection of fuel, coolant and lubricants.....................................175 Standard tightening torques for bolts and nuts...........................................179 Torque list..........................................................................179 Periodic replacement of safety critical parts............................................181 Safety critical parts................................................................181 Maintenance schedule chart...............................................................183 Maintenance schedule chart...........................................................183 Service procedure........................................................................185 Initial 250 hours service (only after the first 250 hours)...........................185 When required........................................................................186 Check, clean, or replace air cleaner element.....................................186 Dust pre-extractor "Turbo II": check, clean......................................189 Clean inside of cooling system...................................................190 Check oil level in transfer case, add oil........................................193 Check axle oil level, add oil....................................................194 Clean axle case breather.........................................................195 Clean air conditioner condenser..................................................195 Check window washing fluid level, add fluid......................................196 Clean radiator fins and cooler fins..............................................196 Clean transfer oil cooler fins...................................................197 Check electrical intake air heater...............................................197 Replace bolt on cutting edge.....................................................197 Replace bucket teeth.............................................................198 Check air conditioner............................................................199 Replace slow blow fuse...........................................................200 Selection and inspection of tires................................................201 Check before starting................................................................203 Every 50 hours service...............................................................204 Drain water, sediment from fuel tank.............................................204 Every 100 hours service..............................................................205 Lubricate rear axle pivot pin....................................................205 Clean element in air conditioner fresh air filter................................205 Check oil level in hydraulic tank, add oil.......................................206 Every 250 hours service..............................................................207 Check battery electrolyte level..................................................207 Check parking brake..............................................................209 Check air conditioner compressor belt tension, adjust............................209 Check for loose wheel hub bolts, tighten.........................................210 Clean element in air conditioner recirculation filter............................211 Lubricating......................................................................212 Every 500 hours service..............................................................213 Change oil in engine oil pan, replace engine oil filter cartridge................213 Replace fuel filter cartridge....................................................214 Every 1000 hours service.............................................................215 Change oil in transfer case......................................................215 Clean transfer case breather.....................................................216 Replace HST oil filter element...................................................217 Lubricating......................................................................218 Check tightening parts of turbocharger...........................................218 Check play of turbocharger rotor.................................................218 Check fan belt tension, replace..................................................218 Every 2000 hours service.............................................................219 Change oil in hydraulic tank, replace hydraulic filter element...................219 Replace hydraulic tank breather element..........................................220 Change axle oil..................................................................221 Replace element in air conditioner recirculation air filter, fresh air filter....221 Check alternator, starting motor.................................................221 Check engine valve clearance, adjust.............................................221 Check brake disc wear............................................................222 Clean and check turbocharger.....................................................222 Check accumulator gas pressure...................................................222 Check vibration damper...........................................................222 Every 4000 hours service.............................................................223 Lubricating......................................................................223 Check water pump.................................................................223 TECHNICAL DATA...............................................................................225 Technical data...........................................................................226 Noise emission levels....................................................................228 Vibration level..........................................................................228 ATTACHMENTS, OPTIONS.........................................................................229 Selecting bucket and tires...............................................................230 Method of using 2 levers.................................................................231 Explanation of components............................................................231 Lift arm control lever...........................................................231 Bucket control lever.............................................................232 Directional selector switch......................................................232 Directional selector actuation switch............................................232 Operation............................................................................233 Using switch to change between forward and reverse...............................233 Central lubrication system...............................................................235 Operating the central lubrication system.............................................235 Display and control unit.............................................................235 Led-display......................................................................235 Pushbuttons......................................................................236 Changing the lubrication interval times..............................................236 INDEX........................................................................................237 Index....................................................................................239
PLEASE NOTE:
⦁ This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
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