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Komatsu WA250PT-5H Wheel Loader Operation & Maintenance Manual – PDF Download
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- Komatsu WA250PT-5H Wheel Loader Operation & Maintenance Manual
- SERIAL NUMBERS WA250H60051 AND UP
- PUBLICATION NUMBER:VEAM290100
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Description
Komatsu WA250PT-5H Wheel Loader Operation & Maintenance Manual
Description:
Komatsu WA250PT-5H Wheel Loader Operation & Maintenance Manual
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 WA250PT-5H Wheel Loader Operation & Maintenance Manual
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 WA250PT-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................................................................... 57 Handling tires....................................................................... 57 Precautions when storing tires....................................................... 57 OPERATION.................................................................................... 59 General view............................................................................. 61 General view of machine.............................................................. 61 General view of controls and gauges.................................................. 62 Explanation of components................................................................ 64 Machine monitor...................................................................... 64 Monitor system................................................................... 65 Types of warning................................................................. 66 Central warning lamp............................................................. 67 Character display portion........................................................ 68 Emergency stop item.............................................................. 72 Caution items.................................................................... 74 Warning/limit functions for travel speed......................................... 76 Inspection and maintenance item.................................................. 77 Pilot display portion............................................................ 79 Meter display portion............................................................ 82 Other functions of machine monitor............................................... 84 Switches............................................................................. 88 Control levers, pedals............................................................... 96 Steering tilt lock lever............................................................. 99 Cap and cover with lock..............................................................100 Safety bar...........................................................................101 Towing pin...........................................................................101 Grease pump..........................................................................101 Cab door inner lock..................................................................102 Cab door open lock...................................................................102 Cab window open lock cancel knob.....................................................102 Fuse.................................................................................103 Fuse capacity and name of circuit................................................103 Slow blow fuse.......................................................................104 Power outlet.........................................................................105 Air conditioner......................................................................106 General locations and function of control panel..................................106 Method of operation..............................................................109 Precautions when using...........................................................110 Handling cab wiper...................................................................111 Preventing damage to wiper arm bracket...........................................111 Operation................................................................................112 Check before starting engine, adjust.................................................112 Walk-around check................................................................112 Check before starting............................................................115 Adjustment.......................................................................120 Operations and checks before starting engine.....................................124 Starting engine......................................................................126 Operations and checks after starting engine..........................................128 Breaking-in the machine..........................................................128 Normal operation.................................................................128 Stopping engine......................................................................130 Moving the machine (Directional, speed), stopping the machine........................131 Moving the machine...............................................................131 Changing direction...............................................................133 Stopping the machine.............................................................136 Turning..............................................................................137 Emergency steering...............................................................137 Operation of work equipment..........................................................138 Handling hydraulic quick coupler.....................................................139 Installing the attachment........................................................139 Removal and installation of the attachment.......................................141 Precautions for use..............................................................141 Precautions when removing the attachment.........................................141 Work possible using wheel loader.....................................................142 Digging operations...............................................................142 Leveling operations..............................................................144 Pushing operation................................................................144 Load and carry operations........................................................144 Loading operations...............................................................145 Precautions for operation............................................................147 Permissible water depth..........................................................147 If wheel brake does not work.....................................................147 Precautions when driving up or down slopes.......................................147 Adjusting work equipment posture.....................................................148 Adjusting boom kickout...........................................................148 Adjusting bucket positioner......................................................149 Adjusting fork positioner........................................................150 Bucket level indicator...........................................................150 Parking machine......................................................................151 Check after stopping engine..........................................................153 Checks after completion of operation.................................................153 Locking..............................................................................153 Handling the tires...................................................................154 Precautions when handling tires..................................................154 Tire pressure....................................................................154 Precautions for using load and car method........................................155 Transportation...........................................................................156 Transportation procedure.............................................................156 Loading, unloading work with trailers................................................156 Loading..........................................................................156 Securing machine.................................................................157 Unloading........................................................................157 Lifting machine......................................................................158 Location of lifting position mark................................................159 Weight table.....................................................................159 Lifting procedure................................................................160 Cold weather operation...................................................................161 Precautions for low temperature......................................................161 Fuel and lubricants..............................................................161 Coolant..........................................................................161 Battery..........................................................................162 Precautions after completion of work.................................................163 After cold weather...................................................................163 Warming-up operation for steering hydraulic circuit in cold weather..................163 Long-term storage........................................................................164 Before storage.......................................................................164 During storage.......................................................................164 After storage........................................................................164 Troubleshooting..........................................................................165 When machine runs out of fuel........................................................165 Towing the machine...................................................................165 When engine can be used..........................................................166 When engine cannot be used.......................................................166 If battery is discharged.............................................................167 Removal and installation of battery..............................................167 Precautions for charging battery.................................................168 Starting engine with booster cable...............................................168 Other trouble........................................................................170 Electrical system................................................................170 Chassis..........................................................................171 Engine...........................................................................173 MAINTENANCE..................................................................................175 Guides to maintenance....................................................................176 Outlines of service......................................................................178 Handling oil, fuel, coolant and performing oil clinic................................178 Oil..............................................................................178 Fuel.............................................................................178 Coolant..........................................................................178 Grease...........................................................................178 Carrying out KOWA (Komatsu Oil Wear Analysis)....................................179 Storing oil and fuel.............................................................179 Filters..........................................................................180 Biodegradable hydraulic oil and lubricants.......................................180 Outline of electric system...........................................................180 Wear parts...............................................................................181 Wear parts list......................................................................181 Fuel, coolant and lubricants.............................................................182 Lubrication chart....................................................................182 Proper selection of fuel, coolant and lubricants.....................................183 Standard tightening torques for bolts and nuts...........................................187 Torque list..........................................................................187 Periodic replacement of safety critical parts............................................189 Safety critical parts................................................................189 Maintenance schedule chart...............................................................191 Service schedule.....................................................................191 Service procedure........................................................................193 Initial 250 hours service (only after the first 250 hours)...........................193 When required........................................................................194 Check, clean, or replace air cleaner element.....................................194 Dust pre-extractor "Turbo II": check, clean......................................197 Clean inside of cooling system...................................................198 Check oil level in transfer case, add oil........................................201 Check axle oil level, add oil....................................................202 Clean axle case breather.........................................................203 Clean air conditioner condenser..................................................203 Check window washing fluid level, add fluid......................................204 Clean radiator fins and cooler fins..............................................204 Clean transfer oil cooler fins...................................................205 Check electrical intake air heater...............................................205 Replace bolt on cutting edge.....................................................205 Replace bucket teeth.............................................................206 Check air conditioner............................................................207 Replace slow blow fuse...........................................................208 Selection and inspection of tires................................................209 Check before starting................................................................211 Every 50 hours service...............................................................212 Drain water, sediment from fuel tank.............................................212 Every 100 hours service..............................................................213 Lubricate rear axle pivot pin....................................................213 Clean element in air conditioner fresh air filter................................213 Check oil level in hydraulic tank, add oil.......................................214 Every 250 hours service..............................................................215 Check battery electrolyte level..................................................215 Check parking brake..............................................................217 Check air conditioner compressor belt tension, adjust............................217 Check for loose wheel hub bolts, tighten.........................................218 Clean element in air conditioner recirculation filter............................219 Lubricating......................................................................220 Every 500 hours service..............................................................221 Change oil in engine oil pan, replace engine oil filter cartridge................221 Replace fuel filter cartridge....................................................222 Clean water separator strainer...................................................223 Every 1000 hours service.............................................................224 Change oil in transfer case......................................................224 Clean transfer case breather.....................................................225 Replace HST oil filter element...................................................226 Lubricating......................................................................227 Check tightening parts of turbocharger...........................................227 Check play of turbocharger rotor.................................................227 Check alternator driving belt tension and replacement............................227 Every 2000 hours service.............................................................228 Change oil in hydraulic tank, replace hydraulic filter element...................228 Replace hydraulic tank breather element..........................................229 Change axle oil..................................................................230 Replace element in air conditioner recirculation air filter, fresh air filter....230 Check alternator, starting motor.................................................230 Check engine valve clearance, adjust.............................................230 Check brake disc wear............................................................231 Clean and check turbocharger.....................................................231 Check accumulator gas pressure...................................................231 Check vibration damper...........................................................231 Every 4000 hours service.............................................................232 Lubricating......................................................................232 Check water pump.................................................................232 TECHNICAL DATA...............................................................................233 Technical data...........................................................................234 Noise emission levels....................................................................236 Vibration level..........................................................................236 ATTACHMENTS, OPTIONS.........................................................................237 Selecting bucket and tires...............................................................238 Handling fork tool.......................................................................239 Explanation of components............................................................239 Work equipment lever.............................................................239 Operation............................................................................240 Loading operation................................................................240 Method of using 3 levers.................................................................243 Explanation of components............................................................243 Lift arm control lever...........................................................243 Bucket control lever.............................................................244 Auxiliary control lever..........................................................244 Directional selector switch......................................................244 Directional selector actuation switch............................................245 Operation............................................................................246 Using switch to change between forward and reverse...............................246 Central lubrication system...............................................................248 Operating the central lubrication system.............................................248 Display and control unit.............................................................248 Led-display......................................................................248 Pushbuttons......................................................................249 Changing the lubrication interval times..............................................249 INDEX........................................................................................251 Index....................................................................................253
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KOMATSU WA250PT-5H WHEEL LOADER OPERATION & MAINTENANCE MANUAL – PDF DOWNLOAD:
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⦁ This is not a physical manual but a digital manual – meaning no physical copy will be couriered to you. The manual can be yours in the next 2 mins as once you make the payment, you will be directed to the download page IMMEDIATELY.
⦁ This is the same manual used by the dealers inorder to diagnose your vehicle of its faults.
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