Komatsu PC270LC-8 Hydraulic Excavator Operation & Maintenance Manual
401 pages · Publication CEAM007203
Fast free USA shippingShips in 1 business daySave 10% on 2 manuals, 15% on 3 or morePay by credit or debit card or with PayPal. No PayPal account needed.
Added to your cart. View cart
- Models
- PC270LC-8
- Serial coverage
- PC270LC-8 A87001 and up
- Manual type
- Operation & Maintenance Manual
- Pages
- 401
- Publication
- CEAM007203
- Condition
- Brand new
What's inside
From the manual's own table of contents: 383 topics. See sample pages (PDF, 387 KB)
- FORWARD
- SAFETY INFORMATION
- INTRODUCTION
- Directions of Machine
- Breaking-in the New Machine
- Product Information
- Product Identification Number (Pin) / Machine Serial No. Plate
- EPA* Regulations, Engine Number Plate
- Service Meter Location
- Your Machine Serial Numbers and Distributor
- SAFETY LABELS
- Location of Safety Labels
- GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE
- Precautions Before Starting Operation
- Ensuring Safe Operation
- Understanding the Machine
- Preparations for Safe Operation
- Precautions Regarding Safety-Related Equipment
- Inspecting Machine
- Clothing and Personal Protective Items
- Keep Machine Clean
- Keep Operator's Compartment Clean
- Fire Extinguisher and First Aid Kit
- Safety Equipment
Show all 383 topics
- 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
- Burn Prevention
- Hot coolant
- Hot oil
- Windshield Washer Fluid
- 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
- Proper Tools
- Accumulator
- Battery
- Battery Hazard Prevention
- Handling Gas Spring
- Precautions when using
- Precautions when discarding
- Personnel
- Attachments
- Work Under the Machine
- Noise
- When using Hammer
- Welding
- Removing Battery Terminals
- Safety First when using High-Pressure Grease to Adjust Track Tension
- Do Not Disassemble Recoil Springs
- 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
- Precaution for High Voltage
- Waste Materials
- Air Conditioner Maintenance
- Compressed Air
- Periodic Replacement of Safety Critical Parts
- MACHINE VIEW ILLUSTRATIONS
- Overall Machine View
- CONTROLS AND GAUGES
- Machine Monitors
- DETAILED CONTROLS AND GAUGES
- Monitoring System
- Basic Operation of Machine Monitor
- Emergency Monitors
- Caution Monitors
- Basic Check Monitors
- Meter Display Portion
- Pilot Display
- Gauges and Meter
- Function Switches
- Handling Function Switches
- Service Meter/Clock Display Selector Switch
- Maintenance Selector Switch
- User Mode Selector Switch
- 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
- Revolving Warning Lamp Switch
- Large Capacity Airflow Air Conditioner Blower Switch
- CONTROL LEVERS AND PEDALS
- Lock Lever
- Travel Levers
- Work Equipment Control Lever
- SUN ROOF
- WINDSHIELD
- EMERGENCY ESCAPE HAMMER
- DOOR LOCK
- COVER WITH LOCK
- CAP WITH LOCK
- DRINK BOX
- MAGAZINE BOX
- ASHTRAY
- AIR CONDITIONER CONTROLS
- Air Conditioner Control Panel
- Method of Operation
- Automatic Operation
- Stopping Automatic Operation
- Manual Operation
- Stopping Manual Operation
- Operation with Cold Air to Face and Warm Air to Feet
- Defroster Operation
- Use Air Conditioner with Care
- RADIO
- Control Panel
- Controls of Radio
- Preset Station Buttons
- Method of Operating Mode
- Setting Correct Time
- Use Radio with Care
- AUXILIARY ELECTRIC POWER
- V power source
- FUSE
- FUSIBLE LINK
- CONTROLLER
- TOOL BOX
- GREASE GUN HOLDER
- FIRE EXTINGUISHER
- MACHINE OPERATIONS AND CONTROLS
- Before Starting Engine
- Walk-around Checks
- Checks Before Starting
- Adjustment
- Seat Belt Inspection
- Operations Before Starting Engine
- Turbo Protect Function
- AFTER STARTING ENGINE
- Engine Warm Up
- 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
- 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
- Stowing Radio Antenna
- Rearview Mirrors
- Unloading
- LONG DISTANCE TRANSPORT MODE
- Normal Mode Display
- Long Distance Transport Mode Display
- LIFTING MACHINE
- COLD WEATHER OPERATION
- Cold Weather Operation Information
- Fuel and Lubricants
- Cooling System 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
- 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
- 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 Chart
- 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)
- Adjust Bucket Clearance
- Check Window Washer Fluid Level, Add Fluid
- Check and Maintenance Air Conditioner
- Wash Washable Floor
- Check Gas Spring
- Bleeding Air From Hydraulic System
- Check Before Starting
- Every 100 Hours Maintenance
- Lubricating
- Every 250 Hours Maintenance
- Check Level of Battery Electrolyte
- Check Air Conditioner Compressor Belt Tension, Adjust
- 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
- and Condenser Fins (Only Machines Equipped With Air Conditioner)
- Clean Air Conditioner Fresh/Recirc Filters
- Replace Breather Element in Hydraulic Tank
- Replace Hydraulic Tank Additional Breather Element
- 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 Fan Belt Tension and Replace Fan Belt
- Check Nitrogen Gas Charge Pressure in Accumulator (For Breaker)
- Every 2000 Hours Maintenance
- Change Oil in Final Drive Case
- Clean Hydraulic Tank Strainer
- Checking Charge Pressure of Nitrogen Gas in Accumulator (for Control Circuit)
- Check Alternator, Starting Motor
- Check Engine Valve Clearance, Adjust
- Every 4000 Hours Maintenance
- Check Water Pump
- Check Vibration Damper
- 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
- Check Operating Condition of Compressor
- Every 5000 Hours Maintenance
- Change Oil in Hydraulic Tank
- Every 8000 Hours Maintenance
- Replace Fuel Spray Prevention Cap
- Replace High-pressure Piping Clamp
- SPECIFICATIONS
- GENERAL PRECAUTIONS FOR SAFETY
- Precautions When Selecting
- Read the Instruction Manual Thoroughly
- Precautions When Removing or Installing
- BUCKET WITH HOOK
- Hook Condition
- MACHINE READY FOR ATTACHMENT
- Locations
- Stop Valve
- Selector Valve
- Attachment Control Pedal
- Lock Pin
- Breaker Circuit Additional Oil Filter
- HYDRAULIC CIRCUIT
- Switching Hydraulic Circuit
- Adjusting Oil Flow
- 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
- BUCKET TEETH SELECTION
- Selection Guide for Horizontal or Vertical Pin Type Tooth
- RECOMMENDED ATTACHMENT OPERATIONS
- Hydraulic Breaker
- Prohibited Works
- HANDLING MACHINES EQUIPPED WITH KOMTRAX
- Basic Precautions
Inside this manual
Real pages from this operation & maintenance manual (401 pages). Open the sample pages (PDF, 385 KB)
- Specifications, page 157: Fan Switch
- Controls and operation, page 223: Boom operation
- Maintenance, page 277: MAINTENANCE
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the PC270LC-8 are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
This manual: Operation & Maintenance Manual CEAM007203$69.91
Added to your cart. View cart
This is an operator's manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
This manual
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 401 pages
Quantity one is the manual described above.
Fast free USA shipping
Ships in 1 business day.
60-day returns
Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy
Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).