Komatsu PC450LC-6K Manuals

Manuals and User Guides for Komatsu PC450LC-6K. We have 1 Komatsu PC450LC-6K manual available for free PDF download: Operation & Maintenance Manual

Komatsu PC450LC-6K Operation & Maintenance Manual

Komatsu PC450LC-6K Operation & Maintenance Manual (262 pages)

HYDRAULIC EXCAVATOR

Brand: Komatsu | Category: Excavators | Size: 3 MB

Table of Contents

Machine Serial Plate.

9
- Foreword
  3
- Safety Information
  4
  - Safety Messages
    4
- Introduction
  6
  - Intended Use
    6
  - Breaking in Your New Machine
    6
- Location of Plates, Table to Enter Serial No. and Distributor
  7
  - Machine Serial Plate
    8
  - Table of Contents
    9
- Safety
  13
- General Precautions
  14
- Precautions During Operation
  20
- Before Starting Engine
  20
- Operating Machine
  22
  - Ensure Good Visibility
    25
  - Working on Loose Ground
    25
  - Operations on Slopes
    26
- Transportation
  27
  - Loading and Unloading
    27
- Battery
  28
  - Battery Hazard Prevention
    28
  - Starting with Booster Cables
    28
- Towing
  29
- Bucket with Hook
  30
  - Precautions for Lifting Operation
    32
- Precautions for Maintenance
  33
- Before Carrying out Maintenance
  33
  - Proper Tools
    33
  - Radiator Water Level
    35
  - Use of Lighting
    35
- During Maintenance
  36
  - Work under the Machine
    36
  - Keep the Machine Clean
    36
  - Waste Materials
    39
- Position for Attaching Safety Labels
  40
- Operation
  45
- General View of Machine
  46
- General View
  46
- General View of Controls and Gauges
  47
- Explanation of Components
  48
- Machine Monitor
  48
  - A: Basic Check Items
    50
  - Engine Oil Level
    50
  - B: Caution Items
    51
  - C: Emergency Stop Items
    52
  - D: Meter Display Portion
    53
  - Fuel Gauge
    54
  - Travel Speed Switch
    57
- Switches
  59
  - Starting Switch
    59
  - Fuel Control Dial
    60
  - Cigarette Lighter
    60
  - Wiper Switch
    60
  - Lamp Switch
    61
  - Horn Button
    61
- Control Levers, Pedals
  63
  - Safety Lock Lever
    63
  - Hydraulic Oil Flow
    67
- Roof Hatch
  68
- Front Window
  69
- Door Lock
  71
- Cap, Cover with Lock
  72
  - METHOD of OPENING and CLOSING CAP with LOCK (for the Fuel Tank Filler Port)
    72
  - Luggage Tray
    73
- Ashtray
  73
- Heater
  73
  - View of Control Panel
    73
- Air Conditioner
  74
  - Precaution When Using Air Conditioner
    76
  - Cab Radio (Option)
    77
  - Precaution of Use
    77
- Fuse
  78
- Tool Box
  79
- Refuelling Pump
  79
- Controllers
  79
- Fusible Link
  79
- Handling the Accumulator
  80
  - Method for Releasing Pressure in Control Circuit of Machines Equipped with Accumulator
    81
- Operation
  82
- Check before Starting Engine
  82
- Starting Engine
  92
  - Normal Starting
    92
  - Starting in Cold Weather
    93
- Operations and Checks after Starting Engine
  95
  - When Normal
    95
  - In Cold Areas (Automatic Warming-Up Operation)
    97
- Moving Machine off
  101
  - Moving Machine Forward
    101
  - Moving Machine Backward
    102
- Steering Machine
  104
  - STEERING (Changing Direction)
    104
- Stopping Machine
  106
- Swinging
  107
- Operation of Work Equipment
  108
- Working Mode Selection
  109
- Prohibitions for Operation
  111
- Precaution for Operation
  113
- Precaution When Travelling up or down Hills
  114
- How to Escape from Mud
  116
  - When One Side Is Stuck
    116
  - When both Sides Are Stuck
    116
- Work Possible Using Hydraulic Excavator
  117
- Replacement and Inversion of Bucket
  118
- Parking the Machine
  120
- Check after Finishing Work
  121
- Stopping Engine
  122
- Check after Stopping Engine
  123
- Locking
  123
- Overload Warning Device
  123
- Transportation
  124
- Loading, Unloading Work
  124
- Precautions for Loading
  126
- Precautions for Transportation
  127
- Lifting the Machine
  127
- Procedure for Increasing or Reducing Track Frame Gauge
  128
- Cold Weather Operation
  129
- Precaution for Low Temperature
  129
  - Fuel and Lubricants
    129
- Precautions after Completion of Work
  130
- After Cold Weather
  130
- Long-Term Storage
  131
- Before Storage
  131
- Starting Machine after Long-Term Storage
  132
- After Storage
  132
- During Storage
  132
- Troubleshooting
  133
- Phenomena that Are Not Failures
  133
- Method of Towing Machine
  133
- Using Method for Light-Weight Towing Hole
  133
- Precautions on Particular Jobsites
  134
- If Battery Is Discharged
  134
  - Starting Engine with Booster Cable
    135
- Other Trouble
  138
  - Electrical System
    138
  - Electronic Control System
    142
- Maintenance
  143
- Guides to Maintenance
  144
- Outlines of Service
  147
- Outline of Oil, Fuel, Coolant
  147
  - Storing Oil and Fuel
    149
  - Explanation of Lubrication Chart Decal
    149
  - Key to Lubrication Points
    150
- Outline of Electric System
  151
- Outline of Hydraulic System
  152
- Wear Parts List
  153
  - Use Fuel, Coolant and Lubricants According to Ambient Temperature
    154
  - Proper Selection of Fuel, Coolant and Lubricants
    154
- Standard Tightening Torques for Bolts and Nuts
  158
- Introduction of Necessary Tools
  158
- Torque List
  159
- Periodic Replacement of Safety Critical Parts
  160
- Maintenance Schedule Chart
  162
Table of Contents

163
- Maintenance Interval When Using Hydraulic Breaker
  164
- Service Item
  164
- Service Procedure
  165
- When Required
  166
  - Check, Clean and Replace the Air Cleaner Element
    166
  - Clean Inside of Cooling System
    168
  - Changing Coolant Filter
    169
  - Installation
    170
  - Checking Coolant Level
    170
  - Draining the System
    170
  - Cleaning the System
    172
  - Filling the System
    172
  - Refilling an Overheated System
    173
  - Cleaning the Radiator
    173
  - Cleaning the Radiator Pre-Screen
    173
  - Check and Tighten Track Shoe Bolts
    174
  - Check and Adjust Track Tension
    175
  - Check Electrical Intake Air Heater
    177
  - Check Alternator
    177
  - Check Starter Motor
    177
  - Replace Bucket Side Cutters
    178
  - Replace Bucket Teeth
    178
  - Adjust Bucket Clearance
    183
  - Check Window Washer Fluid Level, Add Fluid
    184
  - Replace Additional Breaker Filter Element
    186
- Check before Starting
  187
  - Check Oil Level in Engine Oil Pan, Add Oil
    187
  - Check Fuel Level, Add Fuel
    188
  - Check Air Cleaner for Clogging
    190
  - Check Electric Wiring
    190
- Every 50 Hours Service
  191
- Arm-Bucket Coupling Pin (1 Point)
  192
- Arm-Link Coupling Pin (1 Point)
  192
- Boom Foot Pin (2 Points)
  192
- Bucket Cylinder Rod End (1 Point)
  192
- Every 100 Hours Service
  193
- Check Oil Level in Swing Machinery Case, Add Oil
  194
- Drain Water and Sediment from Fuel Tank
  195
- Check Oil Level in Final Drive Case, Add Oil
  196
- Every 250 Hours Service
  196
- Check Level of Battery Electrolyte
  197
- Replace Hydraulic Filter Element
  198
- Lubricate Swing Circle (3 Points)
  199
- Check Air Conditioner Compressor Belt Tension, Adjust
  202
  - Replace Fuel Filter Cartridges
    202
- Change Oil in Engine Oil Pan, Replace Engine Oil Filter Cartridge
  203
  - Replace Corrosion Resistor Car- Tridge
    204
- Check Swing Pinion Grease Level, Add Grease
  205
- Every 500 Hours Service
  205
- Replace Hydraulic Tank Breather Element
  206
- Every 1000 Hours Service
  207
  - Change Oil in Swing Machinery Case
    207
  - Check Oil Level in Damper Case, Add Oil
    208
- Every 2000 Hours Service
  215
  - Change Oil in Final Drive Case
    215
  - Check Alternator, Starting Motor
    221
  - Check Water Pump
    221
  - Check All Tightening Parts of Turbo Charger
    221
- Every 4000 Hours
  222
- Specifications
  222
- Specifications
  229
- Explanation of Lifting Capacity Chart
  233
- Options and Attachments
  235
- General Precautions
  236
  - Precautions Related to Safety
    236
- Precautions When Installing Attachments
  237
- Checking for Damage to Bucket with Hook
  238
- Handling Bucket with Hook
  238
- Precautions During Operation
  238
  - Machines Ready for Attachments
    239
- Prohibited Operations
  238
- Explanation of Components
  239
- Hydraulic Circuit
  241
- Attachment Mounting/Dismounting Procedure
  243
  - Mounting Procedure
    244
- Operation
  245
  - When Using Breaker
    245
- Long-Term Storage
  246
- Specifications
  246
- Introduction of Attachments
  247
- Specification, Use
  247
- Selection of Track Shoes
  249
  - Method of Selecting Shoes
    249
- Selection of Bucket Teeth
  250
- Handling Trapezoidal Bucket
  251
  - Handling the Clamshell Bucket
    252
  - Precautions When Using
    252
- Extending Machine Service Life
  253
- Hydraulic Breaker
  253
- Power Ripper
  256
- Fork Grab
  257
- Grapple Bucket
  258
- Scrap Grapple
  259
  - Crusher & Smasher
    260
- Hydraulic Pile Driver
  261
- Hydraulic Excavator with Multipurpose Crane
  262

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