Komatsu WA70-7 Manuals

Komatsu WA70-7 Manuals

Manuals and User Guides for Komatsu WA70-7. We have 1 Komatsu WA70-7 manual available for free PDF download: Operation And Maintenance Manual

Komatsu WA70-7 Operation And Maintenance Manual

Komatsu WA70-7 Operation And Maintenance Manual (303 pages)

WHEEL LOADER

Brand: Komatsu | Category: Front End Loaders | Size: 18.57 MB

Table of Contents

1 Foreword

3
- Foreword
  4
  - EU Directives
    6
- Safety Information
  7
  - Signal Words
    7
  - Other Signal Words
    8
  - Safety Labels
    9
  - Safety Labels Using Pictograms
    9
  - Intended Use
    10
- Introduction
  10
- Breaking in the Machine
  11
- Key Data of the Machine
  12
- Dimensions, Weights, and Operating Data
  24
  - Equipment - Part 1
    26
  - Equipment - Part 2
    27
2 Safety

29
- Position of the Safety Labels
  30
- General Precautions
  37
  - Safety Rules
    37
  - Getting to Know the Machine
    37
  - If Abnormalities Are Found
    37
  - Fire Extinguisher and First Aid Kit
    38
  - Safety Features
    38
  - Keeping the Machine Clean
    38
  - In the Operator's Cab
    39
  - Before Leaving the Machine
    39
  - Mounting and Dismounting
    39
  - Protection against Injuries
    40
  - Prevention of Burns
    40
  - Hot Coolant
    40
  - Hot Oil
    40
  - Fire Prevention
    41
  - Fire Caused by Fuel or Oil
    41
  - Fire Caused by Accumulation of Combustible Material
    41
  - Cable Fires
    42
  - Fire in the Hydraulic System
    42
  - Explosion Caused by Lighting Equipment
    42
  - Procedure in Case of Fire
    42
  - ROPS (Roll-Over Protection System)
    43
  - Fops
    43
  - Precautions for Attachments, Options
    43
  - Unauthorised Modification
    44
  - Worksite Safety
    44
  - Working on Loose Ground
    45
  - Working Near High-Voltage Cables
    45
  - Ensuring Good Visibility
    46
  - Precautions Related to Exhaust Gas
    46
  - Gas, Dust and Flammable Vapours
    47
  - Signals and Signs from the Signalman
    47
  - Emergency Exit
    47
  - Protection against Asbestos Dust
    48
- Precautions During Operation
  49
  - Starting the Engine
    49
    
    Checks before Starting the Engine
    49
    
    Precautions in Cold Areas
    50
  - Operation
    51
    
    Checks before Operation
    51
    
    Precautions When Travelling in Forward or Reverse
    51
    
    Driving on Slopes
    52
    
    Impermissible Work
    53
    
    Emergency Lowering
    54
    
    Braking
    55
    
    While Loading
    55
    
    Working on Snow
    56
    
    Working with the Forklift Attachment
    57
    
    Parking the Machine
    58
  - Transport
    59
  - Loading and Unloading the Machine
    59
  - Battery
    60
    
    Battery Main Switch
    60
    
    Handling Batteries
    60
    
    Before Connecting Two Machines with Booster Cables
    61
    
    Starting the Engine with Booster Cables
    61
- Precautions for Maintenance
  62
  - Personnel
    62
  - Warning Tag
    62
  - Tools
    62
  - Safety Relevant Parts
    63
  - Keeping the Worksite Clean
    63
  - Before Executing the Inspection and Maintenance
    64
  - Ensure Steady Positioning
    64
  - Guards
    64
  - Securing the Articulated Steering
    65
  - Working under the Raised Boom
    66
  - Tipping up the Operator's Cab
    67
  - Attachments
    68
  - Working Beneath the Machine
    68
  - Adding Fuel or Oil
    69
  - Coolant
    69
  - Application of Lighting
    70
  - High-Pressure Hoses
    70
  - Handling High Pressure Oil
    70
  - Handling the Pressure Accumulator
    71
  - Fan and Belt
    71
  - Salvage
    71
  - Sources of Chemical Hazards
    72
  - Waste Material
    72
  - Maintaining the Air Conditioner
    72
  - Pressurised Air
    72
- Precautions When Handling Tyres
  73
  - Handling Tyres
    73
  - Precautions When Storing Tyres
    74
3 Operation

75
- General View of the Machine
  76
- Controls
  78
  - General View
    78
- Machine Monitor
  80
  - General View
    80
- Switches
  82
  - General View
    82
- Descriptions of the Individual Elements
  84
  - Machine Monitor
    84
    
    Caution Lamps
    85
    
    Gauges
    85
    
    Water Separator Caution Lamp
    85
    
    Air Cleaner Caution Lamp
    86
    
    Battery Charge Circuit Caution Lamp
    86
    
    Parking Brake Caution Lamp
    86
    
    Seat Belt Caution Lamp
    86
    
    Engine Oil Pressure Caution Lamp
    87
    
    Pilot Lamps
    88
    
    Intake Air Pre-Heater Pilot Lamp
    89
    
    Speed Range 2 Pilot Lamp
    89
    
    Direction Pilot Lamps
    90
    
    E.C.S.S. Pilot Lamp
    90
    
    High-Beam Pilot Lamp
    90
    
    Turn Signal Pilot Lamp
    90
    
    Auto-Inch Function
    91
    
    Hazard Warning Light Pilot Lamp
    91
    
    Rear Window Defroster Pilot Lamp
    91
    
    Fuel Gauge
    92
    
    Coolant Temperature Gauge
    93
    
    Service Meter
    93
    
    Speedometer
    93
  - Pilot Lamps
    84
  - Switches
    94
    
    Hazard Warning Light Switch with Pilot Lamp
    96
    
    Programming Button
    96
    
    Rear Window Wiper and Washer Switch
    96
    
    Windshield Wiper and Washer Switch
    96
    
    Rear Window Defroster Switch
    97
    
    Save Button
    97
    
    Warning Beacon Switch
    97
    
    Work Light Switch
    97
    
    Horn Button
    98
    
    Light Switch
    98
    
    Turn Signal Lever
    98
    
    Blower Switch
    99
    
    Electrical Quick Coupler Button
    99
    
    Reversing Light Switch
    99
    
    Sweeper Switch
    99
    
    100 % Differential Lock Switch
    100
    
    Air Conditioner Switch
    100
    
    Speed Range 2 Switch
    100
    
    Temperature Switch
    100
    
    Auto-Inch
    101
    
    Direction Selector Switch
    101
    
    E.C.S.S. Switch with Pilot Lamp
    101
    
    'OFF' Position
    102
    
    'ON' Position
    102
    
    'START' Position
    102
    
    Starting Switch
    102
    
    Cigarette Lighter
    103
    
    Speed Regulator
    103
    
    Cab Light Switch
    105
    
    Engine Shutdown Secondary Switch
    105
  - Control Levers and Pedals
    106
    
    Brake Pedal
    107
    
    Parking Brake
    107
    
    Steering Column Adjustment
    107
    
    Accelerator Pedal
    108
    
    Multi-Function Lever
    108
    
    Control Lever for Special Equipment and Additional Function
    109
    
    Multi-Purpose Bucket
    109
    
    Sweeper, Snowblower
    109
    
    Work Equipment Lock Lever
    110
  - Steering Lock
    111
  - Tow Hitch
    111
  - Back-Up Alarm
    112
  - Door Unlocking
    112
  - Power Outlet
    112
  - Fuses
    113
  - Fuse Allocation
    114
  - Slow-Blow Fuses
    116
  - Adjusting the Ventilation System
    117
  - Relays
    117
  - Setting the Heating and Ventilation System
    117
  - Adjusting the Heating System
    118
  - Air Conditioner
    119
  - Turning on the Air Conditioner
    119
  - Checks before Starting
    120
    
    Before Starting the Engine
    120
    
    Before Starting to Work
    120
    
    Visual Inspection
    120
- Operation
  120
  - Check Coolant Level – Add Coolant
    123
  - Checks before Starting the Engine
    123
    
    Radiator – Clean Radiator Fins
    124
    
    Removable Fan Grille
    125
    
    V-Belt – Check Condition
    125
    
    Check Engine Oil Level – Add Engine Oil
    126
    
    Draining Engine Oil
    127
    
    Check the Fuel Level – Add Fuel
    128
    
    Additional Water Separator
    129
    
    Check Electrical Connections
    131
    
    Check Gauges and Indicators
    131
    
    Heating/Air Conditioner – Check Airflow
    132
    
    Other Maintenance Tasks to Perform before Starting
    132
    
    Adjusting the Operator's Seat
    133
  - Adjustments before Starting
    133
    
    Height Adjustment
    133
    
    Vertical and Angle Adjustment
    133
    
    Adjusting the Backrest
    134
    
    Adjusting the Armrest
    136
    
    Adjusting the Rear-View Mirrors
    136
    
    Adjusting the Steering Column
    136
    
    Fastening the Seat Belt
    137
    
    Taking off the Seat Belt
    137
  - Starting the Engine
    138
    
    Ambient Temperature for Operation and Storage
    139
    
    Checks after Starting the Engine
    140
  - Driving the Machine
    141
    
    Starting
    141
    
    Limiting the Maximum Speed
    142
    
    Starting on an Incline
    143
  - Changing Direction
    144
  - Driving in Reverse
    144
  - Turning and Steering
    145
    
    Turning on Slopes, Ridges, or Embankments
    145
    
    Braking with the Service Brake
    146
    
    Disengaging the Parking Brake
    146
    
    Braking on Slopes
    147
    
    If the Service Brake Fails
    147
  - Parking the Machine on a Slope
    148
  - Stopping and Parking the Machine
    148
  - Operating the Work Equipment
    149
    
    Multi-Function Lever
    149
  - Return to Dig
    150
  - Saving the Tyres
    151
  - Working with the Wheel Loader
    151
    
    Engaging the 100 % Differential Lock
    152
    
    Digging
    153
    
    Loading
    153
    
    Excavating
    155
    
    Dragging
    156
    
    Filling in
    156
    
    Levelling
    156
    
    Scraping
    156
    
    Carrying
    157
    
    Cross-Loading
    158
    
    V-Shape Loading
    158
    
    Stockpiling
    159
    
    Picking up the Load
    160
    
    Operating Precautions
    161
    
    Permissible Water Depth
    161
    
    Precautions for Driving Uphill or Downhill
    162
    
    Precautions When Driving
    162
    
    Adjusting the Work Equipment
    163
    
    Attaching the Work Equipment
    163
    
    Selecting the Work Equipment
    163
    
    Attaching the Multi-Purpose Bucket
    165
    
    Removing the Work Equipment
    166
    
    Bucket Level Indicator
    167
    
    Removing the Multi-Purpose Bucket
    167
    
    Checks after Switching off the Engine
    168
    
    Switching off the Engine
    168
    
    Locking
    169
    
    Tyre Pressure
    170
    
    Standard Tyres
    171
    
    Loading the Machine
    172
    
    Transporting Procedure
    172
    
    Securing the Machine
    174
    
    Unloading the Machine
    176
    
    Lifting the Machine
    177
    
    Standard Machines
    178
    
    Operation in Cold Weather
    179
    
    Precautions for Operation in Cold Weather
    179
    
    After the Cold Weather Period
    180
    
    Precautions after Work
    180
    
    Before Storage
    181
    
    Long-Term Storage
    181
    
    After Storage
    182
    
    During Storage
    182
    
    Basic Precautions
    183
    
    Machines Equipped with KOMTRAX
    183
    
    Troubleshooting
    185
    
    Before Towing
    186
    
    Towing the Machine
    186
    
    After Towing
    188
    
    Towing a Machine with Defective Brakes
    189
    
    Precautions for Connecting and Disconnecting the Booster Cables
    190
    
    Connection of the Booster Cable
    191
    
    Disconnecting the Booster Cables
    192
    
    Checking the Parking Brake
    193
    
    Checking the Service Brake
    193
    
    In Case of Insufficient Brake Power
    193
    
    Emergency Steering Properties
    194
    
    Electrical System
    196
    
    Other Troubles
    196
    
    Engine
    197
    
    Hydraulic System
    199
    
    Hydrostatic Drive Unit
    199
    
    Work Equipment
    200
    
    Axles
    202
    
    Operator's Cab
    202
    
    Steering
    202
    
    Maintenance
    203
    
    Maintenance Guide
    204
    
    Always Use Clean Washer Fluid
    208
    
    Checking the Service Meter
    208
    
    Komatsu Genuine Oils
    208
    
    Komatsu Genuine Replacement Parts
    208
    
    Dusty Worksites
    209
    
    Welding Instructions
    209
    
    Bleeding Air from the Hydraulic Circuit
    210
    
    Precautions When Installing Hydraulic Hoses
    210
    
    Checks after Inspection and Maintenance
    211
    
    Checks after Operation (with Engine Off)
    211
    
    Checks with the Engine Running
    211
    
    Basic Maintenance Guidelines
    212
    
    Fuel, Coolant and Lubricant Specifications
    213
    
    Oil
    213
    
    Fuel
    214
    
    Grease
    216
    
    Storing Oil and Fuel
    216
    
    Biodegradable Hydraulic Oil and Lubricants
    217
    
    Filters
    217
    
    Outlines of the Electrical System
    218
    
    Wear Parts List
    219
    
    Fuel, Lubricants, and Coolants; Quantities
    220
    
    Lubrication Table
    220
    
    List of Required Tools
    224
    
    Periodic Replacement of Safety-Critical Parts
    225
    
    Maintenance Schedule
    226
    
    Maintenance Procedure
    228
    
    Additional Water Separator (Fuel Prefilter) – Change Filter Insert
    229
    
    When Required
    229
    
    Checking the Air Conditioner
    230
    
    Checking the Refrigerant Level (Gas)
    230
    
    Cleaning the Condenser of the Air Conditioner
    230
    
    Operating the Air Conditioner Off-Season
    231
    
    Battery – Charging the Built-In Battery
    232
    
    Checking the Window Washer Fluid Level – Adding Fluid
    232
    
    Cleaning the Air Grille
    233
    
    Cleaning the Radiator Fins
    233
    
    Air Cleaner – Check, Clean the Filter Insert
    234
    
    Design of the Air Cleaner
    234
    
    Required Maintenance
    234
    
    Removing the Filter Insert
    235
    
    Cleaning the Filter Insert
    236
    
    Cleaning with Pressurised Air
    236
    
    Cleaning with Water and Detergent
    236
    
    Checking the Filter Insert
    237
    
    Installing the Filter Insert
    237
    
    Changing the Filter Insert
    238
    
    Changing the Safety Filter
    238
    
    Hydraulic System – Change Filter Insert
    239
    
    Maintenance after the First 50 Service Hours
    239
    
    Wheel Nuts – Check and Retighten
    239
    
    Lubrication – Rear Axle
    240
    
    Front and Rear Axle – Change Oil
    241
    
    Maintenance after the First 250 Service Hours
    241
    
    Maintenance after the First 500 Service Hours
    241
    
    Valve Clearance – Check and Adjust
    241
    
    Lubrication – Articulated Steering
    242
    
    Maintenance Every 10 Service Hours
    242
    
    Battery – Check Fluid Level
    243
    
    Maintenance Every 50 Service Hours
    243
    
    Lubrication – Work Equipment
    244
    
    Check Central Lubrication System, Add Grease
    246
    
    General Function Check
    246
    
    Permitted Lubricants
    246
    
    Maintenance Every 250 Service Hours
    247
    
    Service Brake – Check the Brake Pads
    247
    
    Alternator V-Belt – Check and Adjust Tension
    248
    
    Lubrication – Steering Cylinder
    249
    
    Maintenance Every 500 Service Hours
    252
    
    Manual Pump – Check Oil Level
    252
    
    Service Brake – Check Brake Pads and Brake Disc, Check Oil Level
    253
    
    Engine – Change Engine Oil
    254
    
    Changing the Oil Filter Cartridge
    255
    
    Fuel Filter – Change Filter Cartridge
    256
    
    Bleeding the Fuel System
    257
    
    Cleaning the Filter Cloth in the Heater/Air Conditioner
    258
    
    Heating/Air Conditioner – Clean/Renew Filter Cloth, Clean Condenser
    258
    
    Checking Gas Pressure in Pressure Accumulator for Multi-Function Lever
    259
    
    E.C.S.S. Pressure Accumulator – Check Gas Pressure
    259
    
    Differential
    260
    
    Epicyclic Gearing
    260
    
    Front and Rear Axle – Check Oil Level
    260
    
    Transfer Case – Check Oil Level, Add Oil
    261
    
    Maintenance Every 1000 Service Hours
    262
    
    Service Brake – Check, Change Brake Fluid
    263
    
    Hydraulic System – Change Venting Filters
    264
    
    Maintenance Every 1500 Service Hours
    266
    
    Transfer Case – Change Oil
    268
    
    Cooling System – Change Coolant and Clean Cooling System
    269
    
    Maintenance Every 2000 Service Hours
    269
    
    Cleaning the Cooling System
    271
    
    Draining the Coolant
    271
    
    Filling Coolant
    272
    
    Hydraulic System – Change Hydraulic Oil
    273
    
    Check Fuel Pump
    275
    
    Checking the Water Pump
    275
    
    Fuel and Coolant Hoses – Check
    275
    
    Technical Data
    277
    
    Noise Emission Levels
    279
    
    Guide to Reduce Vibration Levels on Machine
    280
    
    Operating Conditions
    280
    
    Vibration Levels
    280
    
    Limit Values for Slopes
    282
    
    Tipping Angle, Theoretically
    282
    
    Special Equipment, Attachments
    283
    
    Design and Functional Principle of the E.C.S.S.
    284
    
    E.C.s.s.
    284
    
    Precautions When Switching on the E.C.S.S.
    284
    
    Operating the E.C.S.S.
    285
    
    Switching off the E.C.S.S.
    285
    
    Switching on the E.C.S.S.
    285
    
    Bucket Position Indicator
    286
    
    Central Lubrication System
    287
    
    Changing the Lubrication Intervals and Duration
    287
    
    Operating the Central Lubrication System
    288
    
    Position of the Lubrication Pump
    288
    
    To the Left on the Front Frame
    288
    
    Buttons
    289
    
    Display and Operating Unit
    289
    
    LED Display
    289
    
    Three-Digit LED Display
    290
    
    Index
    291

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