KOMATSU WA500-3H WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:H20051 & UP) KOMATSU WA500-3H – PDF DOWNLOAD

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KOMATSU WA500-3H WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:H20051 & UP) KOMATSU WA500-3H

KOMATSU WA500-3H WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:H20051 & UP) KOMATSU WA500-3H – PDF DOWNLOAD:

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KOMATSU WA500-3H WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:H20051 & UP) KOMATSU WA500-3H

• This manual takes into account legal directives and regulations necessary to ensure the safe and effective use of the machine. Keep this manual within reach at all times and ensure that operating personnel read it at regular intervals. Call Komatsu or your local Komatsu dealer and request a replacement if this manual is lost or is no longer legible because of soiling. Pass the manual on to the new owner if selling the machine.
• Our constant efforts to improve the design of our machines can result in changes to construction which may differ slightly from the details in this manual. Please contact Komatsu or your local Komatsu dealer if you require the latest available information on your machine or if you have questions regarding the contents of this manual. Auxiliary equipment and accessories named in this manual may not be available in your region.
• If this is so, please contact Komatsu or your local Komatsu dealer with enquiries about the equipment you require Electrical and electronic equipment and/or components which have been installed subsequently, emit electromagnetic radiation which can influence the function of the electronic components and sections of the machine. This can have an influence on the safety of the machine and endanger persons. For this reason, please ensure that the following safety instructions are observed.
• If you are installing electrical or electronic equipment and/or components in the machine and connect them to the vehicle electrical system, you must check at own responsibility that the installations do not cause any disturbance to the vehicle’s electronic system or other components. Above all, you must ensure that any subsequently installed electrical and electronic components comply with the EMV Directive 89/336/EEC in its current edition and bear the CE mark.

TABLE OF CONTENTS:

KOMATSU WA500-3H WHEEL LOADER OPERATION & MAINTENANCE MANUAL (SN:H20051 & UP) KOMATSU WA500-3H

WA500GB_VEAM500100_Buch.pdf.................................................................................................  0
	1. Introduction........................................................................................................  2
		1.1. Foreword......................................................................................................  3
			EU Directives...................................................................................................  3
				Notes on subsequent installation of electrical and electronic equipment and components......................  4
		1.2. Safety information............................................................................................  5
		1.3. Introduction..................................................................................................  7
			1.3.1. Intended use............................................................................................  7
			1.3.2. Features................................................................................................  7
			1.3.3. Breaking-in the machine.................................................................................  8
		1.4. Location of plates, table to enter serial no. and distributor................................................  9
			1.4.1. Machine identification plate............................................................................  9
				Position of the identification plate........................................................................  9
				Position of stamp...........................................................................................  9
				Machine identification plate................................................................................  9
			1.4.2. Engine identification plate............................................................................. 10
				Position of identification plate............................................................................ 10
				Position of stamp........................................................................................... 10
			1.4.3. Table to enter serial no. and distributor............................................................... 10
		1.5. Table of contents............................................................................................. 11
		1.6. Dimensions, weights and operating data........................................................................ 18
			1.6.1. WA500-3H: Dimensions, weights and operating data........................................................ 18
		1.7. CE-conforming equipment....................................................................................... 19
			1.7.1. CE-conforming equipment - part 1........................................................................ 19
			1.7.2. CE-conforming equipment - part 2........................................................................ 20
			1.7.3. Manufacturer-supplied CE-conforming equipment, according to document 419-93-H1160...................... 22
				Manufacturer-supplied CE-conforming equipment, according to document 419-93-H1160.......................... 24
		1.8. Loading and securing.......................................................................................... 25
	2. Safety.............................................................................................................. 26
		2.1. General safety measures....................................................................................... 27
			2.1.1. Safety instructions..................................................................................... 27
			2.1.2. Safety devices.......................................................................................... 27
			2.1.3. Emergency exit.......................................................................................... 27
			2.1.4. Clothing and personal protection........................................................................ 28
			2.1.5. Machine modifications................................................................................... 28
			2.1.6. Before you leave the driver's seat...................................................................... 28
			2.1.7. Mounting and dismounting................................................................................ 29
			2.1.8. Fire prevention and fire fighting....................................................................... 30
				Fire extinguisher and first-aid kit......................................................................... 31
			2.1.9. Protection against asbestos dust........................................................................ 32
			2.1.10. Protection against injuries............................................................................ 32
			2.1.11. Working at high temperatures........................................................................... 33
			2.1.12. Roll-over protection system (ROPS)..................................................................... 33
			2.1.13. Attachment for protection against falling objects (FOPS).............................................. 34
			2.1.14. Attachments............................................................................................ 34
			2.1.15. Battery................................................................................................ 35
		2.2. Safety precautions during operation........................................................................... 36
			2.2.1. Before you start the engine............................................................................. 36
				Workplace safety............................................................................................ 36
				In the driver's cab......................................................................................... 36
				In-door operation........................................................................................... 37
				Gas, dust, and inflammable vapours.......................................................................... 37
				Mirrors, windows and lighting............................................................................... 37
			2.2.2. Machine operation....................................................................................... 38
				Before you start the engine................................................................................. 38
				Reversing................................................................................................... 38
				Driving..................................................................................................... 39
				Driving on slopes........................................................................................... 39
				Emergency lowering system................................................................................... 40
				Working close to power lines................................................................................ 41
				Loading..................................................................................................... 42
				Good vision................................................................................................. 42
				Working on snow............................................................................................. 42
				Height limitation........................................................................................... 42
				Brakes...................................................................................................... 43
				Working on loose soil....................................................................................... 43
				Parking the machine......................................................................................... 43
			2.2.3. Transport............................................................................................... 44
				Loading and unloading the machine........................................................................... 44
				Transport................................................................................................... 45
		2.3. Precautions for maintenance................................................................................... 46
			2.3.1. Personnel............................................................................................... 46
			2.3.2. Before carrying out maintenance........................................................................ 46
				Warning sign................................................................................................ 46
				Safety-related parts........................................................................................ 47
				Prior to start of inspection and maintenance................................................................ 47
				Securing the articulated steering........................................................................... 47
				Securing the working attachment............................................................................. 48
			2.3.3. During maintenance...................................................................................... 49
				Attachments................................................................................................. 49
				Working under the machine................................................................................... 49
				Keeping the machine clean................................................................................... 49
				Specific measures........................................................................................... 49
				Refuelling and topping up of oil............................................................................ 50
				Coolant..................................................................................................... 50
				Use of lighting............................................................................................. 51
				High-pressure hoses......................................................................................... 51
				Handling high-pressure oil.................................................................................. 51
				Handling of pressure accumulators........................................................................... 52
				Fan and belts............................................................................................... 52
				Waste material.............................................................................................. 53
			2.3.4. Tyres................................................................................................... 54
				Handling of tyres........................................................................................... 54
				Storing tyres............................................................................................... 55
		2.4. Safety labels................................................................................................. 56
			Position of safety labels....................................................................................... 56
	3. Operation........................................................................................................... 60
		3.1. General view.................................................................................................. 61
			3.1.1. General view of the machine............................................................................. 61
			3.1.2. Control elements and measuring instruments.............................................................. 62
				General view................................................................................................ 62
				Main monitor................................................................................................ 63
				Maintenance monitor......................................................................................... 63
				Control lamps – in the cab, top right....................................................................... 63
		3.2. Description of the individual elements........................................................................ 64
			3.2.1. Control monitor......................................................................................... 64
				Control and measurement indicators (A, C and D)............................................................. 65
				Warning light and indicator for emergency-steering (F)...................................................... 65
				Alarm indicators (B, E)..................................................................................... 65
				Checking the control system................................................................................. 65
				Warning indicators.......................................................................................... 66
					1. Central Check Lamp (CHECK).......................................................................... 66
					2. Central warning lamp (CAUTION)...................................................................... 67
					3. Coolant level warning light......................................................................... 67
					4. Engine oil level warning lamp....................................................................... 68
					5. Brake oil pressure warning lamp..................................................................... 68
					6. Engine oil pressure warning lamp.................................................................... 68
					7. Battery charge warning lamp......................................................................... 69
					8. Air cleaner clogging warning lamp................................................................... 69
					9. Warning lamp for central lubrication system......................................................... 69
					10. Emergency steering control lamp.................................................................... 69
				Measuring instruments and control elements................................................................ 70
					Control indicators...................................................................................... 70
					1. Parking brake control lamp.......................................................................... 70
					2. Engine pre-heating control lamp..................................................................... 71
					3. Control lamp for front working lights............................................................... 71
					4. Control lamp for rear working lights................................................................ 71
					5. Transmission cut-off control lamp................................................................... 71
					6. Turn signal control lamp............................................................................ 72
					7. High beam control lamp.............................................................................. 72
					Measuring instruments / meters.......................................................................... 72
					8. Fuel gauge.......................................................................................... 72
					9. Engine coolant temperature gauge.................................................................... 73
					10. Torque converter oil temperature gauge............................................................. 73
					11. Hourmeter.......................................................................................... 73
					12. Speedometer........................................................................................ 73
					13. Gear shift indicator............................................................................... 74
					14. Autoshift transmission pilot lamp (yellow)......................................................... 74
					15. ECSS-electronics pilot lamp (option)............................................................... 74
					16. Turning light switch with control lamp (option).................................................... 74
					17. Control lamps for auto positioning (option) function............................................... 75
			3.2.2. Switches................................................................................................ 76
				1. Start switch............................................................................................ 77
				2. Transmission CUT-OFF switch............................................................................. 77
				3. Front working lights switch............................................................................. 78
				4. Rear working lights switch.............................................................................. 78
				5. Lights switch........................................................................................... 78
				6. Turn signal lever....................................................................................... 79
				7. Dimmer switch........................................................................................... 79
				8. Horn button............................................................................................. 79
				9. Hazard warning switch................................................................................... 80
				10......................................................................................................... 80
				11. Kickdown function (1).................................................................................. 80
				12. Gear-change lock (2)................................................................................... 81
				Gear-change lock on......................................................................................... 81
				Gear-change lock off........................................................................................ 81
				13. Front wiper switch..................................................................................... 81
				14. Rear wiper switch...................................................................................... 82
				15. Cigarette lighter...................................................................................... 82
				16. Room lamp switch....................................................................................... 82
				17. Parking Brake.......................................................................................... 83
				18. Transmission autoshift manual switch................................................................... 84
				19. Central lubrication system button...................................................................... 84
				20. ECSS-electronics switch (option)....................................................................... 84
				21. Turning light switch with control lamp (option)........................................................ 84
				22. Auto positioning function switch (option).............................................................. 85
			3.2.3. Control levers and pedals............................................................................... 86
				1. Gear lever.............................................................................................. 87
				Adjusting the length of the gear lever...................................................................... 87
				2. Directional lever....................................................................................... 87
				Adjusting the length of the directional lever............................................................... 87
				3. Gear lever stop......................................................................................... 88
				4. Safety lock lever for the work hydraulic system......................................................... 88
				5.......................................................................................................... 88
				6. Boom control lever...................................................................................... 89
				Boom actuation – boom control lever (1)..................................................................... 89
				7. Bucket control lever.................................................................................... 90
				Bucket actuation – bucket control lever (2)................................................................. 90
				8.......................................................................................................... 90
				9. Brake pedals............................................................................................ 91
				10. Accelerator pedal...................................................................................... 91
			3.2.4. Steering column tilt lever.............................................................................. 92
			3.2.5. Cap with lock........................................................................................... 92
				To open the cap............................................................................................. 92
				To lock the cap............................................................................................. 92
			3.2.6. Safety bar.............................................................................................. 93
			3.2.7. Towing pin.............................................................................................. 93
			3.2.8. Backup alarm............................................................................................ 94
			3.2.9. Fuses................................................................................................... 95
				Fuse capacity and circuit designations..................................................................... 95
					Fuse box 1.............................................................................................. 95
					Fuse box 2.............................................................................................. 96
			3.2.10. Slow-blow fuses........................................................................................ 96
				Slow-blow fuses............................................................................................. 96
			3.2.11. Air conditioning....................................................................................... 97
				Layout and functions of the control panel.................................................................. 97
					1. Fan switch.......................................................................................... 97
					2. Air conditioning switch............................................................................. 97
					3. Mode selector switches.............................................................................. 98
					4. Fresh/recirc selector switch........................................................................ 98
					5. Temperature control switch.......................................................................... 98
				Operating instructions...................................................................................... 99
		3.3. Operation.....................................................................................................100
			3.3.1. Pre-start checks........................................................................................100
				Walk-around check...........................................................................................100
					1. Check for damage, wear, play in work equipment, cylinders, linkage, hoses..........................101
					2. Remove dirt and dust from around engine, battery, radiator..........................................101
					3. Check for leakage of water or oil around engine.....................................................101
					4. Check for oil leakage from transmission case, axle, hydraulic tank, hoses, joints...................101
					5. Check for oil leakage from brake line...............................................................101
					6. Check for damage or wear to tires, loose mounting bolts.............................................101
					7. Check for damage to handrail, loose bolts...........................................................101
					8. Check for damage to gauges, monitor, loose bolts....................................................101
					9. Check air cleaner for loose mounting bolts..........................................................101
					10. Check for loose battery terminals..................................................................102
					11. Check seat belt and equipment......................................................................102
					12. Checking the central lubrication system: grease level and pressure relief hole in the safety.......103
					13. Check for loose bolts on ROPS......................................................................103
					14. Clean cab window...................................................................................103
				Check before starting.......................................................................................104
					Check coolant lever, top up coolant.....................................................................104
					Check fuel level, add fuel..............................................................................104
					Checking the control panel..............................................................................105
					Check oil level in engine oil pan, add oil..............................................................106
					Check electric wiring...................................................................................107
					Check sound of horn and backup buzzer...................................................................107
					Check for flashing lamps, dirt and damage...............................................................107
					Check engine exhaust color and sound....................................................................107
					Check operation of gauges...............................................................................107
					Check play of steering wheel and steering function......................................................108
					Check direction of rear view mirror, check mirror for dirt or damage....................................108
				Adjustment before starting the operation...................................................................109
					Driver’s seat with air suspension.......................................................................109
					Adjusting the rear-view mirror..........................................................................110
				Operations and checks before starting the engine............................................................111
			3.3.2. Starting the engine.....................................................................................112
			3.3.3. Operation and checks after starting the engine..........................................................113
			3.3.4. Driving the machine.....................................................................................115
			3.3.5. Gear change.............................................................................................117
				Gear selection..............................................................................................117
				Automatic gear change.......................................................................................117
				Kickdown gear change........................................................................................118
				Gear-change lock............................................................................................119
					Gear-change lock on.....................................................................................119
					Gear-change lock off....................................................................................119
				Priority gear change........................................................................................119
			3.3.6. Changing direction......................................................................................120
			3.3.7. Turning and steering....................................................................................120
			3.3.8. Stopping the machine....................................................................................121
			3.3.9. Operating the work equipment............................................................................122
				Lift arm operation (control lever 1)........................................................................122
				Bucket operation (control lever 2)..........................................................................123
			3.3.10. Wheel loader operations................................................................................124
				Digging.....................................................................................................124
				Levelling...................................................................................................127
				Pushing.....................................................................................................127
				Load-and-carry operations...................................................................................127
				Loading.....................................................................................................128
					Cross drive loading.....................................................................................128
					V-shape loading.........................................................................................128
					Precautions when piling up loads........................................................................129
			3.3.11. Precautionary measures during operation................................................................129
				Permissible water depth.....................................................................................129
				If wheel brake fails to work................................................................................129
				Precautionary measures when driving up or down..............................................................130
					Lower the centre of gravity when turning................................................................130
					Braking on downhill slopes..............................................................................130
					If engine stops.........................................................................................130
			3.3.12. Adjusting the position of the work equipment...........................................................131
				Adjusting the boom kickout..................................................................................131
				Adjusting the bucket positioner.............................................................................132
				Bucket level indicator (if fitted)..........................................................................132
			3.3.13. Parking the machine....................................................................................133
			3.3.14. Stopping the engine....................................................................................135
			3.3.15. Check after stopping the engine........................................................................136
			3.3.16. Locking................................................................................................136
			3.3.17. Tyre handling..........................................................................................137
				Precautionary measures when handling tyres..................................................................137
				Tyre pressure...............................................................................................137
		3.4. Transport.....................................................................................................140
			3.4.1. Loading, unloading......................................................................................140
			3.4.2. Precautions for loading.................................................................................141
			3.4.3. Precautions during transport............................................................................141
			3.4.4. Removing/Fitting attachment.........................................................................142
				Removing the attachment.....................................................................................142
				Fitting the attachment......................................................................................144
		3.5. Cold weather operation........................................................................................146
			3.5.1. Precautions for low temperatures........................................................................146
				Fuel and lubricants.........................................................................................146
				Coolant.....................................................................................................146
				Battery.....................................................................................................147
			3.5.2. Precautions after completion of work....................................................................148
			3.5.3. After the cold weather period...........................................................................148
		3.6. Long-term storage.............................................................................................149
			3.6.1. Before storage..........................................................................................149
			3.6.2. During storage..........................................................................................149
			3.6.3. After storage...........................................................................................150
	4. Troubleshooting.....................................................................................................152
		4.1. When the machine runs out of fuel.............................................................................153
		4.2. Central lubrication system....................................................................................154
			4.2.1. No grease emerging at the lubrication points............................................................154
			4.2.2. The pump does not switch on.............................................................................154
		4.3. Towing the machine............................................................................................155
			4.3.1. Engine can still be used................................................................................156
			4.3.2. Engine cannot be used...................................................................................156
			4.3.3. Releasing the parking brake (Engine not running)........................................................157
				Releasing the parking brake using the toggle switch.........................................................157
				Releasing the parking brake using the adjusting screws......................................................158
			4.3.4. Emergency travel operation..............................................................................159
				Emergency travel operation, when the electrical circuit for gear shifting is inoperationable................159
				After completion of emergency travel operation:.............................................................159
		4.4. If battery is discharged......................................................................................160
			4.4.1. Precautions for charging the battery....................................................................161
			4.4.2. Starting the engine with a booster cable................................................................162
				Precautions for connecting and disconnecting the booster....................................................162
				Connecting the booster cables...............................................................................163
				Starting the engine.........................................................................................163
				Disconnecting the booster cables............................................................................163
		4.5. For insufficient braking effect...............................................................................164
			4.5.1. Checking the brake function.............................................................................164
			4.5.2. Checking the parking brake function.....................................................................164
				Test conditions.............................................................................................164
				Test method.................................................................................................164
		4.6. Other troubles................................................................................................165
			4.6.1. Electrical system.......................................................................................165
			4.6.2. Chassis.................................................................................................166
			4.6.3. Engine..................................................................................................169
	5. Maintenance.........................................................................................................172
		5.1. Maintenance guide.............................................................................................173
			Check service meter.............................................................................................173
			Komatsu original replacement parts..............................................................................173
			Oils and grease.................................................................................................173
			Washer fluid....................................................................................................173
			Keep the machine clean..........................................................................................174
			Be careful with hot fluids......................................................................................174
			Check for foreign particles in drained oil and on filters.......................................................174
			Refilling fuel or oil, fuel strainer............................................................................174
			Oil check or change.............................................................................................174
			Warning tag.....................................................................................................174
			Safety labels...................................................................................................174
			Welding instructions............................................................................................175
			Fire prevention.................................................................................................175
			Clamp faces.....................................................................................................175
			Objects in your pockets.........................................................................................175
			Tyres check.....................................................................................................175
			Precautions when washing the machine............................................................................175
			Pre- and post-work checks.......................................................................................176
			Dusty worksites.................................................................................................176
			Avoid mixing oils...............................................................................................176
		5.2. Maintenance basics............................................................................................177
			5.2.1. Oil, fuel and coolant specifications....................................................................178
				Oil.........................................................................................................178
				Fuel........................................................................................................179
				Coolant.....................................................................................................180
				Grease......................................................................................................180
				Storing oil and fuel........................................................................................181
				Filters.....................................................................................................181
				Biodegradable hydraulic oil and lubricants.................................................................181
			5.2.2. Specifications of the electrical system.................................................................182
		5.3. Wearing parts list............................................................................................183
		5.4. Lubricants and operating means................................................................................184
			5.4.1. Lubrication chart.......................................................................................184
			5.4.2. Lubricants, fuels and filling capacities................................................................185
			5.4.3. Axle oils (AXO).........................................................................................186
		5.5. Tools and standard tightening torques (bolts,nuts)...........................................................187
			5.5.1. Introduction of recommended tools.......................................................................187
			5.5.2. Torque list.............................................................................................188
		5.6. Periodical replacement of safety-critical parts...............................................................189
		5.7. Maintenance schedule chart....................................................................................190
		5.8. Service procedure.............................................................................................193
			5.8.1. Initial 250 hours service...............................................................................193
			5.8.2. Maintenance upon demand.................................................................................193
				Check, clean or replace air cleaner element................................................................193
					Checking................................................................................................193
					Cleaning or replacing the air cleaner element...........................................................193
					Replacing the internal element (in the air-cleaner insert ).............................................195
					With water..............................................................................................195
					With cleaning agent.....................................................................................195
				Cleaning the interior of the cooling system................................................................196
					Mixing ratio - water : antifreeze.......................................................................197
				Checking the transmission oil level, adding oil............................................................200
				Checking the axle oil level, adding oil....................................................................202
				Checking axle case breather.................................................................................203
				Cleaning radiator fins......................................................................................203
				Replacing the bolt-on cutting edge..........................................................................204
				Replacing the bucket teeth..................................................................................205
					Bucket with bolted-on teeth.............................................................................205
					Bucket with matched teeth...............................................................................206
				Checking the air-conditioning system.......................................................................207
					Checking the coolant level..............................................................................207
				Cleaning the condenser of air conditioner..................................................................208
				Checking the window washing-fluid level, adding fluid.......................................................208
				Topping up the grease reservoir of the central lubrication system..........................................209
				Changing the main fuse (surge-proof fuse)...................................................................210
			5.8.3. Checks before starting..................................................................................211
				Checking the monitor panel..................................................................................211
				Checking the coolant level, adding coolant.................................................................211
				Checking the fuel level, adding fuel........................................................................212
					Refuelling with a fuel dispenser........................................................................212
					Refuelling from drum....................................................................................212
				Checking the oil level in engine oil pan, add oil...........................................................214
				Checking the electrical connections........................................................................215
				Checking the sound of horn and backup buzzer................................................................215
				Checking flashing of lamps, checking for dirt or damage.....................................................215
				Checking engine exhaust colour and sound....................................................................215
				Checking the gauge functions................................................................................215
				Checking steering wheel play, checking the steering function................................................215
				Checking direction of rear view mirror, checking for dirt or damage.........................................215
			5.8.4. Every 50 hours service..................................................................................216
				Checking the tyre inflation pressure........................................................................216
				Draining water and deposits from fuel tank..................................................................216
			5.8.5. Every 100 hours service.................................................................................217
				Checking the oil level in the hydraulic tank, adding oil....................................................217
				Cleaning the inserts of the fresh air filter of the air- conditioning system................................218
			5.8.6. Every 250 service hours.................................................................................219
				Checking and adjusting the fan belt and V-belt tension.....................................................219
					Check...................................................................................................219
					Adjustment..............................................................................................220
				Checking and adjusting alternator belt tension..............................................................221
					Check...................................................................................................221
					Adjustment..............................................................................................221
				Checking and adjusting the compressor belt tension of the air-conditioning system..........................222
					Check...................................................................................................222
					Adjustment..............................................................................................222
				Checking for loose wheel hub nuts, tightening the nuts......................................................223
				Cleaning the inserts of the recirculation filter of the airconditioning system.............................223
				Checking the battery electrolyte level......................................................................224
				Lubrication (every 250 service hours).......................................................................225
			5.8.7. Every 500 service hours.................................................................................227
				Changing oil in the engine oil pan, replacing engine oil filter cartridge...................................227
				Replacing the fuel filter cartridge.........................................................................229
				Replacing the transmission oil filter insert...............................................................230
				Lubrication (every 500 service hours).......................................................................231
			5.8.8. Every 1000 service hours................................................................................232
				Changing the oil in the transmission case, cleaning the strainer...........................................232
				Cleaning the transmission case breather.....................................................................233
				Cleaning the fuel screen of the fuel tank...................................................................233
				Lubrication (every 1000 service hours)......................................................................234
				Checking the tightening parts of the turbo-charger..........................................................236
				Checking the play of the turbo-charger rotor................................................................236
				Replacing the anti-corrosive filter cartridge.............................................................236
			5.8.9. Every 2000 service hours................................................................................237
				Changing the oil in the hydraulic tank, replacing the hydraulic filter inserts..............................237
				Replacing the hydraulic tank breather element...............................................................239
				Changing the axle oil.......................................................................................240
				Clean PPC circuit strainer..................................................................................241
				Clean engine breather element...............................................................................241
				Checking the alternator starter motor.......................................................................242
				Checking and adjusting the valve clearance of the engine...................................................242
				Checking the brake disc wear................................................................................242
				Checking the shock absorber.................................................................................242
				Replacing the element in the recirculating and fresh air filter of the air-conditioning system..............242
				Cleaning and checking the turbocharger.....................................................................242
				Checking the accumulator....................................................................................243
					Checking................................................................................................243
				Checking the ECSS-accumulator gas pressure..................................................................243
			5.8.10. Every 4000 service hours...............................................................................244
				Checking the water pump.....................................................................................244
				Check fan pulley and tension pulley.........................................................................244
				Check vibration damper......................................................................................244
	6. Technical data......................................................................................................246
		6.1. Technical data................................................................................................247
			WA500-3H........................................................................................................247
		6.2. Noise emission levels.........................................................................................248
		6.3. Vibration level...............................................................................................248
		6.4. Limit values for slopes.......................................................................................248
			Maximum slope angle for machine operation.......................................................................248
	7. Special equipment and attachments...................................................................................250
		7.1. ECSS-electronics..............................................................................................251
			7.1.1. Structure and functioning principle of the ECSS-electronics.............................................251
			7.1.2. Precautionary measures for switching on the ECSS-electronics............................................251
			7.1.3. Operating the ECSS-electronics..........................................................................252
			7.1.4. Precautions when handling the accumulator..............................................................253
		7.2. Auto positioning..............................................................................................254
			7.2.1. Auto positioning control................................................................................255
			7.2.2. Setting hold points of auto positioning.................................................................256
				Setting boom’s upper hold point.............................................................................256
				Setting boom lower hold point...............................................................................256
			7.2.3. Auto positioning calibration............................................................................257
	8. Index...............................................................................................................258

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