Clothing and Personal Protective Items
Keep Machine Clean
Keep Operator's Compartment Clean
Fire Extinguisher and First Aid Kit
Safety Equipment
If Problems are Found
Fire Prevention and Explosion Prevention
Action if Fire Occurs
Handrails and Steps
Mounting and Dismounting
No Persons on Attachments
Leaving Operator's Seat with Lock
Emergency Exit from Operator's Cab
Do Not Get Caught in Work Equipment
Precautions Related to Protective Structures
Falling Objects, Flying Objects and Intruding Objects Prevention
Unauthorized Modification
Precautions Related to Attachments and Options
Precautions Related to Cab Glass
Precautions When Running Engine inside Building
Safety at Jobsite
Working on Loose Ground
Distance to High Voltage Cables
Ensure Good Visibility
Signalman's Signal and Signs
Asbestos Dust Hazard Prevention
SAFETY MACHINE OPERATION
Starting Engine
Checks Before Starting Engine
Safety Rules for Starting Engine
Starting Engine in Cold Weather
Starting Engine with Booster Cables
Operation
Checks Before Operation
Safety Rules for Changing Machine Directions
Safety Rules for Traveling
Traveling on Slopes
Operations on Slopes
Prohibited Operations
Operations on Snow or Frozen Surfaces
Parking Machine
TRANSPORTATION
Loading and Unloading
Shipping the Machine
TOWING
Safety Rules for Towing
LIFTING OBJECTS WITH BUCKET
Safety Rules for Lifting Objects
SAFETY MAINTENANCE INFORMATION
Warning Tag
Keep Work Place Clean and Tidy
Select Suitable Place for Inspection and Maintenance
Only Authorized Personnel
Appoint Leader when Working with Others
Stop Engine Before Carrying Out Maintenance
Precautions When Working at High Places
Two Workers for Maintenance when Engine is Running
Attachments
Work on Machine
Work Under the Machine
Proper Tools
Battery Disconnect Switch
Removing Battery Terminals
Welding
Battery
Battery Hazard Prevention
When Using Hammer
Precautions with High-temperature Coolant
Precautions with High-temperature Oil
Safety Rules for High-pressure Oil
Precaution for High Fuel Pressure
Safety Handling High-pressure Hoses or Piping
Precaution for High Voltage
Noise
Safety First when Using High-pressure Grease to Adjust Track Tension
Do Not Disassemble Recoil Springs
Accumulator
Handling Gas Spring
Precautions when Using
Precautions when Discarding
Compressed Air
Air Conditioner Maintenance
Waste Materials
Select Window Washer Fluid
Personnel
Periodic Replacement Of Safety Critical Parts
MACHINE VIEW ILLUSTRATIONS
Overall Machine View
General View of Cab
CONTROLS AND GAUGES
Machine Monitor
EXPLANATION OF COMPONENTS
Basic Operation of Machine Monitor
Warning Display
Meter Display
Gauges and Meter
Monitor Switches Portion
User Menu Selector Switch
User Menu
Machine Settings
Maintenance Screen Setting
Monitor Setting
Screen Adjustment
Screen Adjustment (Camera)
Clock Adjustment
Time
SWITCHES
Starting Switch
Fuel Control Dial
Cigarette Lighter
Swing Lock Switch
Lamp Switch
Horn Switch
One Touch Power Max. Switch
Room Lamp Switch
Emergency Pump Drive Switch
Swing Brake Cancel Switch
Ceiling Window Wiper Switch
Seat Heater Switch
Machine Push-up Switch
Engine Shutdown Secondary Switch
CONTROL LEVERS AND PEDALS
Lock Lever
Travel Levers
Work Equipment Control Lever
CEILING WINDOW
cab WINDowS
EMERGENCY ESCAPE HAMMER
DOOR LOCK
CAB DOOR HINGE
CAPS AND COVERS WITH LOCK
Open and Close Caps with Lock
Opening the Cap
Locking the Cap
Open and Close Covers with Lock
Opening the Cover (Locked Cover)
Locking the Cover
Lock and Unlock Engine Hood
Opening the Hood (Locked Hood)
Locking the Hood
Lock and Unlock Cab Door
Opening the Door (Locked Door)
Locking the Door
DRINK BOX
MAGAZINE BOX
CUP HOLDER
ASHTRAY
AIR CONDITIONER CONTROLS
Air Conditioner Control Panel
Method of Operation
Automatic Operation
Stopping Automatic Operation
Manual Operation
Stop Manual Operation
Operation with Cold Air to Face and Warm Air to Feet
Defroster Operation
Rules for Using Air Conditioner
RADIO
Control Panel
Operation Method
Frequency Adjustment
Frequency Adjustment (Auto Presetting)
Preset Call
Preset Memory
Sound Adjustment (Balance)
Sound Adjustment (Treble)
Sound Adjustment (Bass)
Time Adjustment
Stowing Radio Antenna
AUXILIARY ELECTRIC POWER
V Power Source
FUSE
FUSIBLE LINK
TOOL BOX
GREASE GUN HOLDER
FIRE EXTINGUISHER
SYSTEM OPERATING LAMP
HANDLING KOMATSU DIESEL PARTICULATE FILTER (KDPF)
Manual Stationary Regeneration, Operation Procedure
Komatsu Diesel Particulate Filter (KDPF) Regeneration Disable Procedure
While Regeneration is Not Being Performed: Setting for Regeneration Disable
While Regeneration is Being Performed: Stopping Regeneration
Re-enabling KDPF Regeneration
Handling Komatsu Closed Crankcase Ventilation (KCCV)
HANDLING MACHINES EQUIPPED WITH KOMTRAX
Basic Precautions
MACHINE OPERATIONS AND CONTROLS
Before Starting Engine
Walk-around Checks
Checks Before Starting
Adjustment
Seat Belt Inspection
Seat Belt
Operations Before Starting Engine
Turbo Protect Function
AFTER STARTING ENGINE
Engine Warm Up
Canceling Automatic Warm-up Operation
Hydraulic System Warm-Up
Operation After Completion of Warming-Up Operation
STOPPING THE ENGINE
MACHINE OPERATION
Preparations for Moving the Machine
Moving Machine Forward
Moving Machine Backward
Stopping Machine
STEERING THE MACHINE
Steering
Steering the Machine When Stopped (Pivot Turn)
Changing Direction of the Machine
Counter-rotation Turn (Spin Turn)
SWINGING
WORK EQUIPMENT CONTROLS AND OPERATIONS
WORKING MODE
Working Mode Switch
One-Touch Power Max. Switch
GENERAL OPERATION INFORMATION
Traveling
High Speed Travel
Permissible Water Depth
ESCAPE FROM MUD
Track on One Side Stuck
Tracks on Both Sides Stuck
RECOMMENDED APPLICATIONS
Backhoe Work
Shovel Work
Ditching Work
Loading Work
BUCKET REPLACEMENT AND INVERSION
Replacement
Inversion
MACHINE INSPECTION AFTER DAILY WORK
LOCKING
Transportation Procedure
Loading and Unloading with Trailer
Loading
Securing Machine
Installation and Removal of Mirrors
Remove and Install Handrail
Unloading
LIFTING MACHINE
Standard Specification Machines
Machines with Lifting Hook
Spread and Narrow Track Frame Gauge
Narrowing Gauge
Spreading Gauge
COLD WEATHER OPERATION
Cold Weather Operation Information
Fuel and Lubricants
Coolant
AFTER DAILY WORK COMPLETION
AFTER COLD WEATHER SEASON
LONG TERM STORAGE
Before Storage
During Storage
After Storage
Starting Machine After Long-term Storage
TROUBLES AND ACTIONS
Running Out of Fuel
Bleeding Air from Fuel Circuit
Phenomena that are Not Failures
Towing the Machine
Lightweight Towing Hole
Severe Job Condition
Discharged Battery
Battery Removal and Installation
Battery Charges
OTHER TROUBLE
Electrical System
Chassis
Engine
Electronic Control System
Point of Contact to Telephone When Error Occurs
MAINTENANCE INFORMATION
OUTLINE OF SERVICE
Handling Oil, Fuel, Coolant, and Performing Oil Clinic
Fuel
Coolant and Water for Dilution
Grease
Carrying Out KOWA (Komatsu Oil Wear Analysis)
Storing Oil and Fuel
Filters
Electric System Maintenance
WEAR PARTS
Wear Parts List
RECOMMENDED FUEL, COOLANT, AND LUBRICANT
Lubrication Chart
Fuel, Coolant, and Lubricants to Match the Ambient Temperature
TORQUE SPECIFICATIONS
Torque List
Torque of Bolts
Torque of Hose Nuts
Torque of Split Flange Bolts
Torque for Flared Nuts
Torque for O-ring Boss Piping Joints
Torque for O-ring Boss Plugs
Torque for Hoses (Taper Seal Type and Face Seal Type)
SAFETY CRITICAL PARTS
Safety Critical Parts List
MAINTENANCE SCHEDULE
Maintenance Schedule Table
Maintenance Interval for Hydraulic Breaker
MAINTENANCE PROCEDURE
Initial 10 Hours Maintenance
Initial 250 Hours Maintenance (Only After the First 250 Hours)
Initial 500 Hours Maintenance (Only After the First 500 Hours)
When Required
Check, Clean and Replace Air Cleaner Element
Clean Inside of Cooling System
Check and Tighten Track Shoe Bolts
Check and Adjust Track Tension
Replace Bucket Teeth (Vertical Pin Type)
Replace Bucket Teeth (Horizontal Pin Type)
Replace Bucket Side Cutter, Shroud
Adjust Bucket Clearance
Check Window Washer Fluid Level, Add Fluid
Check and Maintain Air Conditioner
Wash Washable Floor
Set Machine at Angle
Check Gas Spring
Bleeding Air from Hydraulic System
Clean Line Filter, Remove Dirt
Check Before Starting
Every 50 Hours Maintenance
Lubricating
Every 250 Hours Maintenance
Check Level of Battery Electrolyte
Check Air Conditioner Compressor Belt Tension, Adjust
Check and Tighten Connecting Bolt Between Center Frame and Track Frame
Lubricate Swing Circle
Every 500 Hours Maintenance
Change Oil in Engine Oil Pan
Replace Engine Oil Filter Cartridge
Replace Fuel Pre-filter Cartridge
Check Swing Pinion Grease Level, Add Grease
Fuel Cooler Fins, and Condenser Fins
Clean Air Conditioner Fresh/Recirc Filters
Replace Breather Element in Hydraulic Tank
Check Oil Level in Swing Machinery Case, Add Oil
Check Oil Level in Final Drive Case, Add Oil
Every 1000 Hours Maintenance
Replace Hydraulic Oil Filter Element
Change Oil in Swing Machinery Case
Check Oil Level in Damper Case, Add Oil
Replace Fuel Main Filter Cartridge
Check All Tightening Points of Engine Exhaust Pipe Clamps
Check Alternator/Fan Belt Tension and Replace Belt
Check Nitrogen Gas Charge Pressure in Accumulator (for Breaker)
Replace Additional Breather Element in Hydraulic Tank
Every 2000 Hours Maintenance
Change Oil in Final Drive Case
Clean Hydraulic Tank Strainer
Check Charge Pressure of Nitrogen Gas in Accumulator (for Control Circuit)
Check Alternator
Check Engine Valve Clearance, Adjust
Replace Komatsu Closed Crankcase Ventilation (KCCV) Filter Element
Every 4000 Hours Maintenance
Check Water Pump
Check Starting Motor
Replace Accumulator (for Control Circuit)
Check for Looseness of High-pressure Piping Clamp, Hardening of Rubber
Check for Missing Fuel Spray Prevention Cap, Hardening of Rubber
Every 4500 Hours Maintenance
Clean Komatsu Diesel Particulate Filter (KDPF)
Clean Fuel Doser
Every 5000 Hours Maintenance
Change Oil in Hydraulic Tank
Every 8000 Hours Maintenance
Replace Fuel Spray Prevention Cap
Replace High-pressure Piping Clamp
EVERY 9000 HOURS MAINTENANCE
Replacement of Fuel Spray Prevention Cap of Fuel Doser Piping
SPECIFICATIONS
GENERAL PRECAUTIONS FOR SAFETY
Precautions When Selecting
Read the Operation and Maintenance Manual Thoroughly
Precautions When Removing or Installing
BUCKET WITH HOOK
Hook Condition
Safety Rules for Lifting Operations
Straight Travel (Option)
CHANGING MACHINE CONTROL PATTERN
Control Pattern Change Procedure
MACHINE READY FOR ATTACHMENT
Locations
Stop Valve
Selector Valve
Attachment Control Pedal
Lock Pin
Breaker Circuit Additional Oil Filter
HYDRAULIC CIRCUIT
Switching Hydraulic Circuit
Switching Between Breaker and General Attachment
Hydraulic Circuit Connection
Oil Flow Path
Replace Additional Breaker Filter Element
Replace Additional Breaker Pilot Filter Element
ATTACHMENT REMOVAL AND INSTALLATION
Attachment Removal
Attachment Installation
ATTACHMENT OPERATIONS
When Using Breaker
When Using General Attachment Such as Crusher
Attachment Guide
Attachment Combinations
TRACK SHOES SELECTION
Selection Method of Track Shoe
HANDLING COUNTERWEIGHT REMOVER
Counterweight
Remover Link
Remover Link Cylinder
Counterweight Remover Control Lever
Remover Control Selector Valve
Operation of Counterweight Remover
Lowering Counterweight
Installing Counterweight
Greasing
BUCKET TEETH SELECTION
Selection Guide for Horizontal or Vertical Pin Type Tooth
Handling Trapezoidal Bucket
Digging Work
HANDLING EXTENSION ARM
HANDLING CLAMSHELL BUCKET
RECOMMENDED ATTACHMENT OPERATIONS
Hydraulic Breaker
Prohibited Usage