Name: Komatsu WA75-3
Brand: Komatsu
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Table of Contents5
Introduction13
Forword14
Safety Information15
Introduction17
Features17
Breaking in a New Machine17
Location of Plates, Table to Enter Serial No. and Distributor18
Machine Serial No. Plate Position18
Engine Serial No. Plate Position18
Emission Control Warranty19
Emission Control Warranty Statement (Applies to Canada Only)19
Engine Data Plate20
Garantie Sur le Contrôle des Émissions21
Énoncé de Garantie Sur le Contrôle des Émissions (Applicable au Canada Seulement)21
Engine Data Plate23
Why You Should Read These Operating Instructions24
Notes on Safety Regulations26
Correct Use26
Safety Notes in the Operating Instructions26
Equipment27
Loading and Transporting the Machine29
Securing the Articulated Steering30
Lifting the Machine30
Driving Machine Onto Loading Area of Transport Vehicle32
Securing the Machine During Transport33
After Transport33
Safety35
General Safety Measures37
Safety Instructions37
Safety Devices37
Emergency Exit37
Clothing and Personal Protection38
Machine Modifications38
Before You Leave the Driver's Seat38
Mounting and Dismounting39
Fire Prevention and Fire Fighting40
Fire Extinguisher and First-Aid Kit41
Protection against Asbestos Dust41
Protection against Injuries42
Working at High Temperatures42
Roll-Over Protection System (Rops)43
Attachment for Protection against Falling Objects (Fops)43
Attachments43
Battery44
Safety Measures During Operation45
Before You Start the Engine45
Workplace Safety45
In the Driver's Cab45
In-Door Operation46
Gas, Dust, and Inflammable Vapours46
Mirrors, Windows, and Lighting46
Machine Operation47
Before You Start the Engine47
Reversing47
Driving48
Driving on Slopes48
Emergency Lowering System49
Working Close to Overhead Power Transmission Lines49
Loading50
Good Vision50
Working on Snow50
Height Limitation51
Brakes51
Working on Loose Soil51
Working with the Forklift Truck Attachment52
Parking the Machine53
Transport54
Loading and Unloading the Machine54
Transport55
Safety Measures During Maintenance56
Personnel56
Prior to Start of Maintenance Measures56
Warning Sign56
Tools56
Safety-Related Parts56
Prior to Start of Inspection and Maintenance57
Securing the Articulated Steering57
Supporting the Boom58
During Maintenance59
Attachments59
Working under the Machine59
Keeping the Machine Clean59
Specific Measures59
Refueling and Topping off Oil60
Coolant60
Use of Lighting61
High-Pressure Hoses61
Handling High-Pressure Oil61
Handling of the Pressure Accumulator62
Fan and Belts62
Waste Material62
Tires63
Storing Tires64
Labeling65
Position of Safety Labels65
Information Labels67
Controls and Indicators69
Overall View of Machine70
Controls and Indicators71
Switches and Controls72
Instrument Panel73
Warning Lights74
Control Lamps77
Measuring Indicators81
Switches83
Control Levers, Pedals90
Articulated Steering Catch96
Traction Device96
Socket96
Door Unlocking System97
Alarm Horn for Reverse Driving97
Running in the Machine100
Preparing the Machine Start101
Visual Checks101
Before You Start the Engine101
Before Starting Working with the Machine101
Adjustments Prior to Machine Start104
Adjusting the Driver's Seat104
Adjusting the Steering Column105
Adjusting the Armrest105
Adjusting the Rear-View Mirrors105
Adjusting the Heating and Ventilation System106
Adjusting the Ventilation System106
Adjusting the Heating System107
Operating the Air Conditioning108
Switching on the Air-Conditioning108
Putting on the Safety Belt110
Taking off the Safety Belt110
Starting and Switching off the Engine111
Starting the Engine111
Warming up the Engine112
Switching off the Engine113
Driving114
Start-Up114
Starting the Machine on Slopes116
Driving with the High-Speed Gear116
Changing the Driving Direction117
Reverse Driving118
Turning118
Turning on Slopes, Embankments or Hill Flanks118
Braking119
Pulling the Parking Brake119
Releasing the Parking Brake119
Braking with the Service Brake119
If the Service Brake Breaks down120
Braking on Slopes120
Stopping121
Parking the Machine on a Slope121
Longer-Distance Driving122
Operating the Machine123
Preparing the Work Equipment123
Selecting a Work Unit123
Picking up the Work Unit (Except Multi-Purpose Bucket)123
Removing the Work Unit124
Picking up the Multi-Purpose Bucket124
Removing the Multi-Purpose Bucket126
Tire Service Life127
Level Indicator for the Bucket127
Adjusting the Bucket Positioner128
Loading129
Removing Piled up Soil129
Excavation Works131
Transporting132
Dumping / Unloading132
Loading in Diagonal Direction132
V-Shaped Loading133
Piling up Material133
Planing134
Filling up134
Taking off Soil134
Cutting the Ground135
Working with the Forklift Truck Attachment136
Picking up the Load136
Precautions for Special Operations137
Working in Water137
Working on Snow137
Dumping on Steep Slopes137
Working in the Vicinity of Electrical Overhead Lines137
Operation on Slopes137
Working on Loose Soil137
After the Work Is Finished137
Instructions for Winter Operation138
Before the Cold Season138
After Operation138
After the Cold Season139
Longer Standstill Periods of the Machine140
Before the Standstill140
During the Standstill140
After the Standstill141
Troubleshooting143
Warning Lights and Indicators144
Electrical System145
Engine146
Hydraulic System149
Brakes151
Axles152
Driver's Cab152
Emergency Steering Characteristics153
Emergency Lowering System153
Starting the Engine with a Battery Jumper Cable154
Connecting the Jumper Cable154
Starting the Engine155
Disconnecting the Battery Jumper Cable155
Towing the Machine156
Towing a Machine with Defective Brakes157
Inadequate Braking Effect158
Checking the Parking Brake158
Checking the Service Brake159
Maintenance Basics162
Preparing the Machine for Maintenance162
Cleaning the Machine163
Precautionary Measures When Cleaning the Machine163
Fire Prevention163
Working-Area-Dependent Maintenance164
Muddy or Wet Working Areas164
Dusty Working Areas164
Lubricants and Operating Agents165
Draining Hot Lubricants and Fluids165
Checking the Oil Level and Changing Oil165
Changing Filters165
Refuelling and Topping off Oil165
Oil166
Lubricating Grease166
Biodegradable Hydraulic Oil and Lubricating Grease166
Fuel167
Storage of Oil and Fuel167
Coolants168
Windscreen Washer Liquid168
Table of Lubricants and Operating Agents170
Lubrication Chart171
Axles172
Released Axle Oil Brands172
Replacing Safety-Related Parts172
Welding Instructions173
Spare Parts and Consumable Components174
Electrical System175
Fuses176
Fuse Assignment176
Slow-Blowing Fuses177
Tires178
Tire Components178
Checking the Tires178
Checking the Tire Pressure178
Torque for Standard Nuts and Bolts180
Maintenance Schedule182
Maintenance Prior to Start184
Visual Checks184
Cooling System, Checking the Coolant Level, Topping off Coolant184
Engine, Checking the Oil Level, Topping off Oil185
Engine, Draining off Oil186
Checking the Fuel Level, Refueling187
Checking the Controls188
Checking the Electrical Connections188
Heater / Air Conditioning: Checking Rate of Air Flow189
Other Maintenance Measures Prior to Start189
Maintenance Upon Demand190
Checking the Air-Conditioning System190
Checking the Coolant Level190
Maintenance Every 10 Operating Hours191
Lubrication191
Maintenance after the First 50 Operating Hours192
Engine, Changing Oil and Replacing the Oil Filter Cartridge192
Replacing the Oil Filter Cartridge193
V-Belt, Checking the Condition194
V-Belt, Checking and Adjusting the Tension194
Hydraulic System, Replacing the Filter Insert195
Checking and Tightening the Wheel Nuts196
Front and Rear Axle, Changing Oil197
Planet Gear197
Differential197
Transfer Gear - Changing Oil198
Maintenance Every 50 Operating Hours200
Checking Cooling System, Coolant Level in the Radiator and Expansion Tank200
Draining off Water and Dirt Deposits from the Fuel Tank201
Checking the Service Brake and Oil Level, Refilling Oil201
Checking the Battery and Acid Level202
Re-Charging a Built-In Battery203
Lubrication204
Lubricating Points of the Work Equipment204
Maintenance Every 100 Operating Hours205
Draining the Water Separator, Removing Water and Dirt Deposits205
Maintenance Every 250 Operating Hours206
Changing the Engine Oil and Oil Filter Cartridge206
Checking the V-Belt Condition206
Checking and Adjusting the V-Belt Tension206
Front and Rear Axle, Checking the Oil Level207
Planet Gear207
Differential208
Air Filter, Removing/Re-Installing and Checking/Cleaning the Filter Insert209
Structure of the Air Filter209
Maintenance Demand209
Removing the Filter Cartridge209
Cleaning or Exchanging the Filter Cartridge210
Checking the Filter Cartridge211
Assembling the Air Filter Cartridge211
Cleaning the Radiator Segments211
Lubrication212
Maintenance Every 500 Operating Hours213
Changing the Fuel Filter and Filter Element213
Bleeding the Fuel System214
Changing the Filter Cartridge of the Hydraulic System215
Cleaning the Water Separator215
Lubrication216
Transfer Gear, Checking the Oil Level and Refilling Oil216
Air Filter, Replacing the Filter Insert, Replacing the Safety Filter217
Replacing the Filter Insert217
Replacing the Safety Filter217
Heater/Air Conditioning: Clean Filter Fleece of Heater Unit218
Heater/Air Conditioning: Cleaning the Condenser219
Maintenance Every 1000 Operating Hours220
Cooling System, Exchanging Coolant and Cleaning the System220
Draining off the Coolant221
Cleaning the Cooling System221
Filling off Coolant221
Front Axle, Oil Change222
Rear Axle, Oil Change222
Transfer Gear, Oil Change222
Service Brake222
Changing Oil222
Checking Tubes and Lines222
Checking the Brake Disks for Wear and Tear222
Adjusting the Clearance of the Brake Disks222
Checking and Adjusting System Pressures222
Checking and Adjusting the Valve Clearance222
Checking/Adjusting the Injection Nozzles, Nozzle Pressure/Fuel-Jet Pattern223
Checking the Accumulator Gas Pressure223
Maintenance Every 2000 Operating Hours224
Hydraulic System, Oil Change224
Bleeding the Hydraulic Oil Tank225
Cooling System, Checking the Antifreeze Content of the Coolant225
Checking the Cooling System225
Checking the Fuel Pump225
Checking the Fuel and Coolant Tubes, Replacing the Tubes (if Required)225
Checking the Water Pump226
Checking and Adjusting the Fuel Injection and Injection Time226
Technical Data227
Noise Emission Levels229
Vibration Level229
Limit Values for Slopes229
Maximum Slope Angle for Operating the Machine229
Special Equipment and Attachments231
Als-Electronics232
Structure and Functioning Principle of the Als-Electronics232
Precautionary Measures for Switching on the Als-Electronics232
Operation of the Als-Electronics233
Switching on the Als-Electronics233
Switching off the Als-Electronics233
Handling of the Pressure Accumulator234

Brand	Komatsu
Model	WA75-3
Category	Compact Loader
Language	English

Komatsu WA75-3 User Manual

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