Name: Komatsu WA270-3H
Brand: Komatsu
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2-2

Operating and Control Elements

GENERAL VIEW OF THE MACHINE

1 Tumbler 6 Lifting cylinder V front

2 Bucket cylinder 7 Headlight H rear

3 Bucket Direction indicator R right

4 Boom 8 Rear wheel L left

5 Front wheel

Default Chapter3
- Table of Contents3
Information on These Operating Instructions11
Why You Should Read These Operating Instructions13
The Wa 270-3 - Your Economic Miracle14
- The Remarkable Ergonomics of the Wa 270-314
- Technology Which Inspires14
Notes on Safety Regulations16
- Correct Use16
- Safety Notes in the Operating Instructions16
- Standards and Guidelines17
Ce-Conforming Equipment19
- Ce-Conforming Equipment of the Manufacturer According to Document 419-93-H116020
Loading and Transporting the Machine23
- Securing the Articulated Steering25
- Lifting the Machine25
- Driving Machine Onto Loading Area of Transport Vehicle26
- Securing the Machine During Transport27
- After Transport27
Dimensions, Weights, and Operating Values28
Machine Ratings29
Safety31
- Safety Instructions32
- Safety Devices32
- Emergency Exit32
- Clothing and Personal Protection32
- Machine Modifications33
- Before You Leave the Driver's Seat33
- Mounting and Dismounting33
- Fire Prevention and Fire Fighting34
- Protection against Asbestos Dust35
- Protection against Injuries35
- Working at High Temperatures35
- Roll-Over Protection System (Rops)36
- Attachment for Protection against Falling Objects (Fops)36
- Attachments36
- Battery37
Before You Start the Engine38
- Workplace Safety38
- In the Driver's Cab38
- In-Door Operation39
- Gas, Dust, and Inflammable Vapours39
- Mirrors, Windows and Lighting39
Machine Operation40
- Before You Start the Engine40
- Reversing40
- Driving41
- Driving on Slopes41
- Emergency Lowering System42
- Working Close to Overhead Power Transmission Lines43
- Loading43
- Good Vision44
- Working on Snow44
- Height Limitation44
- Brakes44
- Working on Loose Soil45
- Parking the Machine45
Transport46
- Loading and Unloading the Machine46
Safety Measures During Maintenance47
- Personnel47
- Prior to Start of Maintenance Measures47
- During Maintenance50
- Tyres54
Safety Labels55
- Positions of Safety Labels55
Operating and Control Elements59
- General View of the Machine60
- Operating and Control Elements61
- Operating and Control Elements62
- Control Panels63
- Warning Indicators65
- Control and Measuring Instruments69
- Switches72
- Switches (with Multifunctional Lever, if Installed)73
- Control Levers, Pedals79
- Control Levers, Pedals (with Multifunctional Lever, if Installed)79
- Steering Column Adjustment85
- Traction Device86
- Articulated Steering Catch86
- Reversing Alarm Horn86
- Fuses87
  - Fuse Assignment87
- Slow-Blow Fuses88
- Relays88
- Heating and Ventilation System89
- Air-Conditioning90
Operation91
Running in the Machine92
- Inspections Prior to Starting93
  - Visual Inspections (See also Section "Maintenance Prior to Starting")93
- Adjustments Prior to Start-Up95
- Switching the Engine on and off98
- After Machine Operation101
- Driving102
  - Start-Up102
  - Starting up on Hills and Slopes103
- Gear Shifting104
- Changing the Driving Direction106
- Steering and Turning106
- Stopping107
  - Parking the Machine on Slopes107
- Control Levers for the Work Hydraulic System108
  - Control Lever for the Work Unit108
- Multifunctional Lever for the Work Hydraulic System109
  - Control Lever for Special Equipment109
- Working with the Machine110
- Adjusting the Work Unit114
- Precautions for Special Operations116
- Tyres117
- Tyres and Tyre Pressures118
- Winter Operation120
- Long-Term Shutdown122
Troubleshooting123
- Emergency Driving Mode130
- Starting Engine with Jumper Leads131
- Towing the Machine132
- Emergency Steering134
  - Control Lights for Emergency Steering134
- Emergency Lowering System135
- Malfunktion of Brake136
  - Checking Service Brake136
  - Checking Parking Brake136
Maintenance137
Maintenance Basics139
- Preparing the Machine for Maintenance139
- Operating Hours Meter139
- Spare Parts139
- Fluid for the Washer System139
- Keep the Machine Clean140
- Caution When Handling Hot Fluids140
- Check Drained Oil and Filter for Foreign Bodies140
- Topping up Fuel or Oil; Fuel Sieve140
- Checking Oil Level and Oil-Change140
- Warning Sign140
- Welding Instructions141
- Fire Prevention141
- Gaskets / Seals141
- Objects in Pockets141
- Checking the Tyres141
- Protective Measures When Washing the Machine142
- Muddy or Wet Environment142
- Dusty Environments142
- Engine / Hydraulic Oil143
- Grease143
- Fuel144
- Biologically Degradable Hydraulic Oils and Grease144
- Storage of Oil and Fuel144
- Coolant145
- Filters145
- Wearing Parts145
- Specifications of the Electrical System146
- Starting Torques for Standard Nuts and Bolts147
- Regular Replacement of Safety-Related Parts148
Wearing Parts149
- Lubricants and Operating Agents151
Maintenance Schedule153
Maintenance Schedule155
Maintenance Prior to Starting up155
- Cooling System, Checking the Coolant Level, Topping up Coolant155
- Checking Engine Oil Level, Top up156
- Water Separator, Drain Water and Dirt Deposits156
- Fuel Filter, Drain Water157
- Checking Drive Belts157
- Checking the Fan and Its Attachment157
- Checking Electrical Connections158
- Checking Fuel Level, Top up159
- Checking Control Panels159
- Other Pre-Start Maintenance Measures160
Maintenance During the Running-In Period161
- After the First 100 Operating Hours161
  - Transmission, Change Oil and Filters161
  - Operating Brake, Change Oil Filter161
- After the First 250 Operating Hours161
- After the First 500 Operating Hours161
  - Axles, Oil Change161
Maintenance Every 100 Operating Hours162
- Hydraulic System, Checking Oil Level, Topping up Oil162
- Cleaning the Fresh-Air Filter Inserts163
- Lubrication163
Maintenance Every 250 Operating Hours164
- Engine, Change Oil and Oil Filter Cartridge164
- Checking the Air Aspiration System165
- Air-Conditioning, Check Tension of the Compressor V-Belt166
- Batteries, Checking the Acid Level167
- Battery Recharging168
- Axles, Check Oil Levels169
- Wheel Nuts, Check, Retighten169
- Lubrication170
Maintenance Every 500 Operating Hours171
- Fuel Filter, Change Filter Cartridges171
  - Bleeding the Fuel System172
Maintenance Every 1000 Operating Hours173
- Transmission, Change Oil and Filters173
- Engine, Adjusting the Valve Clearance175
- Service Brake, Change Oil Filter175
- Drive Belts, Check Tension Pulley and Fan Bearing176
- Turbocharger, Checking the Attachment and Play177
- Checking the Gas Pressure177
- Axles, Oil Change178
- Lubrication179
- Cooling System, Exchanging Coolant and Cleaning the System180
Maintenance Every 2000 Operating Hours182
- Check Shock Absorber182
- Checking the Cooling System182
- Checking and Cleaning the Turbocharger183
- Check Three-Phase Generator and Starter183
- Air-Conditioning, Changing the Filter Inserts183
- Hydraulic System, Oil Change, Changing the Filter Insert184
Maintenance Every 4000 Operating Hours186
- Check Water Pump186
Maintenance as Required187
- Air Filter: Installation and Removal of Filter Elements Cleaning Filter Inserts and Changing Safety Filter187
- Dust Pre-Extractor "Turbo II": Check, Clean189
- Cleaning the Radiator190
- Windscreen Washer, Checking Fluid Level, Topping up190
- Transmission, Checking Oil Level, Topping up Oil191
- Replacing Bucket Teeth192
- Fuel Tank, Draining Water and Dirt Deposits193
- Tyres, Checking Air Pressure193
- Air-Conditioning, Cleaning Condenser193
- Checking Air-Conditioning194
  - Checking the Coolant Level194
Technical Details195
- Noise Emission Levels197
- Vibration Level197
- Limit Values for Slopes197
  - Maximum Slope Angle for Operating the Machine197
Special Equipment, Auxiliary Equipment199
- Als - Electronic200
- Structure and Functioning Principle of the Als-Electronics200
- Precautionary Measures for Switching on the Als-Electronics200
- Operating the Als-Electronics201
- Precautions When Handling the Accumulator201

Brand	Komatsu
Model	WA270-3H
Category	Excavators
Language	English

Komatsu WA270-3H User Manual

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