Komatsu PC88MR-8 Hydraulic Excavator Operation & Maintenance Manual
403 pages · Publication CEAM021203
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- Models
- PC88MR-8
- Serial coverage
- PC88MR-8 A90001 and up
- Manual type
- Operation & Maintenance Manual
- Pages
- 403
- Publication
- CEAM021203
- Condition
- Brand new

What's inside
From the manual's own table of contents: 524 topics. See sample pages (PDF, 424 KB)
- FOREWORD
- SAFETY INFORMATION
- Signal Words
- Other Signal Words
- Safety Labels
- Safety Label Using Words
- Safety Label Using Pictogram
- INTRODUCTION
- Directional Reference of Machine
- Visibility from Operator's Seat
- BREAKING IN THE MACHINE
- PRODUCT INFORMATION
- Product Identification Number (PIN) - Machine Serial No. Plate
- EPA* Regulations, Engine Serial Number Plate and its Location
- Service Meter Location
- Your Machine Serial Numbers and Distributor
- SAFETY AND WARNING DECALS
- Location of Safety Decals
- GENERAL SAFETY RULES AND PRECAUTIONS
- General Safety Rules
- General Safety at Job Site
- Working on Loose Ground
- Safety Features
- Personal Protective Equipment
Show all 524 topics
- Fire and Explosion Prevention
- Fire Caused by Fuel or Oil
- Fire Caused by Accumulation of Flammable Material
- Fire Coming From Electric Wiring
- Fire Coming From Hydraulic Line
- Windshield Washer Fluid
- Action if Fire Occurs
- Fire Extinguisher and First Aid Kit
- Fire Prevention and Suppression
- Fire Prevention Steps
- Fixed Fire Detection System
- Fixed Fire Suppression System
- Fire Prevention Procedures
- Dust Hazard Precautions
- Keep Operator's Cab Clean
- Unauthorized Modifications
- Leaving Operator’s Compartment
- Mounting and Dismounting
- Crush or Pinch Point Dangers
- Inside Operator’s Compartment
- Precautions When Using ROPS
- Protection Against Falling or Flying Objects
- Precautions for Attachments
- Quick Coupler Attachment
- Large Attachments
- PRECAUTIONS BEFORE STARTING OPERATIONS
- Pre-Operational Checks
- Seat Belt Inspection
- Starting Your Work Operations
- Work Site Hazards
- Avoiding Dangerous Situations
- Working Clearances
- Operations on Slopes
- Operating on Snow or Icy Surfaces
- Asbestos Hazard Alert
- RULES FOR ROAD TRAVEL
- Precautions When Traveling
- Traveling with Carriage Reversed
- Travel on Slopes
- Parking the Machine
- PRECAUTIONS DURING MAINTENANCE OPERATIONS
- Warning Tags
- Equipment Storage
- Working Under the Machine
- Using Drop Lamps
- Keeping the Machine Clean
- Performing General Maintenance Procedures
- Running the Engine During Maintenance
- Proper Tools
- Engine System High-Voltage
- Welding, Grinding or Cutting
- Adjusting Track Tension
- DO NOT Disassemble Recoil Springs
- When Using Hammer
- Refueling the Machine
- Cooling System Precautions
- Battery Precautions
- Starting the Machine
- High-Pressure Hoses
- Handling High-Pressure Hoses
- Precaution for High Fuel Pressure
- High Temperatures Areas
- Disposal of Waste Materials
- Accumulator
- Critical Parts
- TRANSPORTING THE MACHINE
- Loading and Unloading a Trailer
- Loading the Machine
- Securing the Machine
- TOWING
- Safety Rules for Towing
- MACHINE VIEW ILLUSTRATIONS
- Overall Machine View
- Controls and Gauges
- Machine Monitor
- DETAILED CONTROLS AND GAUGES
- Monitoring System
- Basic Operation of Machine Monitor
- Starting Engine When Situation is Normal
- Stopping Engine When Situation is Normal
- If There Is Abnormality When Starting Engine
- If Any Abnormality Occurs During Operation
- Emergency Monitors
- Engine Coolant Temperature Monitor
- Hydraulic Oil Temperature Monitor
- Engine Oil Pressure Monitor
- Caution Monitors
- Fuel Level Monitor
- Charge Level Monitor
- Basic Check Monitors
- Maintenance Interval Monitor
- Meter Display Portion
- Pilot Display
- Engine Pre-heating Monitor
- Swing Lock Monitor
- Wiper Monitor
- Auto-deceleration Monitor
- Working Mode Monitor
- Travel Speed Monitor
- Air Conditioner Monitor
- Message Monitor
- Idle Stop Guidance
- Gauges and Meter
- Engine Coolant Temperature Gauge
- Hydraulic Oil Temperature Gauge
- Fuel Gauge
- Service Meter, Clock
- ECO Gauge
- Monitor Switches Portion
- Working Mode Selector Switch
- Auto-deceleration Switch
- Travel Speed Selector Switch
- Wiper Switch
- Window Washer Switch
- Buzzer Cancel Switch
- Function Switches
- Air Conditioner Switch
- Handling Function Switches
- Service Meter/Clock Display Selector Switch
- Maintenance Selector Switch
- Operations on Maintenance List Screen
- Operations on Maintenance Interval Reset Screen
- User Mode Selector Switch
- Breaker/Attachment Setting
- Message Display
- Adjusting Screen
- Clock Adjustment
- Language Selection
- Adjusting Economy Mode
- Switches
- Ignition Switch
- Fuel Control Dial
- Cigarette Lighter
- 1st-Line Attachment Proportional Switch
- Breaker Operation Switch
- Horn Switch
- Room Lamp Switch
- Emergency Pump Drive Switch
- Swing Parking Brake Release Switch
- Revolving Warning Lamp Switch (If Equipped)
- Lamp Switch
- Quick Coupler Switches
- Control Levers and Pedals
- Lock Lever
- Travel Levers
- Work Equipment Control Lever
- Blade Control Lever
- Swing Lock Cover
- Boom Swing Control Pedal
- SUN ROOF
- WINDSHIELD
- Opening
- Closing
- Removing Lower Windshield
- SLIDING DOOR
- EMERGENCY ESCAPE HAMMER
- COVER WITH LOCK
- Opening and Closing Covers with Lock
- Opening the Cover
- Locking the Cover
- ENGINE HOOD
- MUD COVER
- BATTERY INSPECTION COVER
- AIR CONDITIONER CONTROLS
- Air Conditioner Control Panel
- OFF Switch
- Fan Switch
- Temperature Control Switch
- Vent Selector Switch
- Auto Switch
- FRESH/RECIRC Selector Switch
- Display Monitor
- Sunlight Sensor
- 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
- Ventilation
- Temperature Control
- Inspection and maintenance of Air Conditioner Equipped Machine
- RADIO
- Control Panel
- Power Switch, Volume Control Knob, Balance Control Knob
- Sel Button
- FM/AM Selection Button (AM/FM)
- Display Selection Button (TIME)
- AS/PS button
- Display
- Time Reset Button
- Tuning Button (TUNING)
- Controls of Radio
- Method of Setting with Preset Button
- Method of Tuning
- Method of Operating Mode
- Setting Correct Time
- Antenna
- Use Radio with Care
- FUSE
- Fuse Capacities and Circuit Names
- Fusible Link
- AUXILIARY ELECTRIC POWER
- CONTROLLERS
- OPERATION MANUAL STORAGE
- CUP HOLDER
- TOOL BOX
- GREASE PUMP HOLDER
- ASHTRAY
- FIRE EXTINGUISHER (IF EQUIPPED)
- MACHINE OPERATIONS AND CONTROLS
- Before Starting Engine
- Walk-Around Checks
- Checks Before Starting
- Check Coolant Level, Add Coolant
- Check Oil Level in Engine Oil Pan, Add Oil
- Check Fuel Level, Add Fuel
- Check Oil Level in Hydraulic Tank, Add Oil
- Check Dust Indicator
- Check for Water and Sediment in Water Separator, Drain Water
- Check Electric Wiring
- Check Working Lamp Switch
- Check Function of Horn
- Adjustments
- Seat Adjustment
- Rear View Mirrors
- Wind-in Type Seat Belt
- Operations Before Starting Engine
- STARTING ENGINE
- Normal Starting
- Starting Engine in Cold Weather
- Turbo protect function
- Breaking-in the New Machine
- AFTER STARTING ENGINE
- Checking Engine Startability and Noise
- Checking Engine Acceleration and Deceleration
- Engine Warm Up
- Hydraulic Equipment Warm Up
- Operation After Completion of Warm-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
- PROHIBITED OPERATIONS
- Operations Using Swing Force
- Operations Using Travel Force
- Prohibition of Operations Using Hydraulic Cylinders to Stroke Ends
- Operations Using Bucket Dropping Force
- Operations Using Machine Dropping Force
- Digging Hard Rocky Ground
- Prohibition of Lifting Operation
- Sudden Lever or Pedal Shifting High Speed Travel
- Support Blade on Both Sides
- GENERAL OPERATION INFORMATION
- Traveling
- High Speed Travel
- Folding in Work Equipment
- Avoid Hitting Blade
- Blade During Backhoe Operations
- Permissible Water Depth
- TRAVELING ON SLOPES
- Traveling Downhill
- Engine Stopped on Slope
- Cab Doors on Slope
- ESCAPE FROM MUD
- Track on One Side Stuck
- Tracks on Both Sides Stuck
- RECOMMENDED APPLICATIONS
- Backhoe Work
- Shovel Work
- Ditching Work
- Loading Work
- Refill and Finishing Work
- Side Ditching Work
- BUCKET REPLACEMENT AND INVERSION
- Replacement
- Inversion
- PARKING MACHINE
- MACHINE INSPECTION AFTER DAILY WORK
- Before Stopping Engine
- After Stopping Engine
- LOCKING
- ROAD LINERS AND RUBBER SHOES
- Road Liners and Rubber Shoes Information
- Warranty for Road Liners and Rubber Shoes
- Using Road Liners and Rubber Shoes
- Prohibited Works
- Long Life Operations
- MACHINE READY FOR ATTACHMENT
- Locations
- Selector Valve
- Breaker Circuit Additional Oil Filter
- Accumulator (For Low Pressure)
- Hydraulic Circuit
- Hydraulic Circuit Connection
- Attachment Removal And Installation
- Attachment Installation
- Attachment Removal
- Attachment Operations
- When Using Breaker
- When Using General Attachment Such As Crusher
- Long Term Storage
- Hydraulic Specifications
- TRANSPORTATION
- Transportation Procedure
- Loading and Unloading with Trailer
- Loading
- Securing Machine
- Unloading
- LIFTING MACHINE
- COLD WEATHER OPERATION
- Fuel and Lubricants
- Cooling System Coolant
- Battery
- After Daily Work Completion
- After Cold Weather Season
- 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
- Severe Job Condition
- Discharged Battery
- Battery Removal and Installation
- Battery Charges
- Starting Engine with Booster Cables
- Connecting and Disconnecting Booster Cables
- Booster Cable Connection
- Starting the Engine
- Booster Cable Disconnection
- TROUBLESHOOTING
- Electrical System
- Chassis
- Engine
- Electronic Control System
- Point of Contact to Telephone when Error Occurs
- GUIDES TO MAINTENANCE
- Check Service Meter
- Komatsu Genuine Replacement Parts
- Komatsu Genuine Oils
- Always Use Clean Washer Fluid
- Always Use Clean Oil and Grease
- Checking Foreign Materials in Drained Oil and on Filters
- Fueling
- Welding Instructions
- Do Not Drop Things Inside Machine
- Dusty Work Sites
- Avoid Mixing Oil
- Locking Inspection Covers
- Bleeding Air From Hydraulic Circuit
- Precautions When Installing Hydraulic Hoses
- Checks After Inspection and Maintenance
- OUTLINES OF SERVICE
- Handling Oil, Fuel, Coolant, and Performing Oil Clinic
- Fuel
- Coolant and Water for Dilution
- Grease
- Performing KOWA (Komatsu Oil Wear Analysis)
- Storing Oil and Fuel
- Filters
- Outline of Electric System
- WEAR PARTS LIST
- RECOMMENDED FUEL, COOLANT, AND LUBRICANT
- USE OF FUEL, COOLANT AND LUBRICANTS
- Selection According to Ambient Temperature
- STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS
- Torque List
- PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS
- Safety Critical Parts
- REGULAR SCHEDULED MAINTENANCE
- Maintenance Schedule Chart
- MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER
- WHEN REQUIRED
- Check, Clean and Replace Air Cleaner Element
- Checking
- Cleaning Outer Element
- Replacing Element
- Clean Inside of Cooling System
- Mixing Rate of Water and Antifreeze
- Check and Tighten Track Shoe Bolts
- Method for Further Tightening of Steel Shoe
- Method for Further Tightening of Road Liner
- Order for tightening
- Check and Adjust Track Tension
- Adjustment
- Increasing Track Tension
- Loosening Track Tension
- Check Road Liners or Rubber Shoes
- Lug Height
- Rubber Shoe Steel Code Cuts
- Rubber Shoe Core Separations
- Rubber Shoe Tension
- Rubber Shoe Cracks
- Check and Adjust Rubber Shoe Tension
- Replace Road Liners
- Replace Rubber Shoes
- Rubber Shoes Removal
- Rubber Shoes Installation
- Change Steel Shoes or Road Liner to Rubber Shoes
- Changing from Steel Shoes or Road Liners to Rubber Shoes
- Changing from Rubber Shoes to Steel Shoes or Road Liners
- 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 of Air Conditioner
- Check Level of Refrigerant (Gas)
- Inspection During Off Season
- Inspection and Maintenance Items
- Check, Clean and Lubricate Cab Slide Door Rail and Roller
- Cleaning
- Greasing
- Replace Breaker Circuit Additional Oil Filter Element
- Wash Washable Floor
- Method of Washing
- Method of Setting Machine at Angle
- Check Gas Spring
- Bleeding Air From Hydraulic System
- CHECK BEFORE STARTING
- EVERY 100 HOURS MAINTENANCE
- Lubricating
- Check Swing Machinery Case Oil, Add Oil
- EVERY 250 HOURS MAINTENANCE
- Check Oil Level in Final Drive Case, Add Oil
- Check Level of Battery Electrolyte
- When Checking Electrolyte Level from Side of Battery
- When it is Impossible to Check Electrolyte Level from Side of Battery
- When it is Possible to Use Indicator to Check Electrolyte Level
- Check and Adjust Cooling Fan Belt Tension
- 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
- Lubricate Swing Circle
- and Air Conditioner Condenser Fins
- Clean Air Conditioner Fresh/Recirc Filters
- Cleaning Recirculated Air Filter
- Cleaning Fresh Air Filter
- Replace Breather Element In Hydraulic Tank
- EVERY 1000 HOURS MAINTENANCE
- Change Oil in Swing Machinery Case
- Change Oil in Final Drive Case
- Replace Hydraulic Oil Filter Element
- Replace Fuel Main Filter Cartridge
- Check All Tightening Points of Engine Exhaust Pipe Clamps
- Check Oil Level in PTO Gear Case, Add Oil
- EVERY 2000 HOURS MAINTENANCE
- Check Alternator, Starting Motor
- Check Engine Valve Clearance, Adjust
- (For Control Circuit)
- Function of Accumulator
- Checking Function of Accumulator
- Method of Releasing Pressure In Hydraulic Circuit
- EVERY 4000 HOURS MAINTENANCE
- Check Water Pump
- Replace Accumulator (For Control Circuit)
- EVERY 5000 HOURS MAINTENANCE
- Change Oil in Hydraulic Tank, Clean Strainer
- SPECIFICATIONS
- ATTACHMENTS AND OPTIONS - GENERAL INFORMATION
- Safety First
- BUCKET WITH HOOK
- Hook Condition
- Operations with Care
- Control Pattern Change Procedure
- Machine Control Patterns
- HYDRAULIC QUICK COUPLER PIPING
- Operation
- To Release a Bucket or Attachment
- To Pick Up a New Bucket or Attachment
- POWER ANGLE BLADE
- Lifting Control
- Angling Control
- Maintenance
- Every 500 Hours Service
- ATTACHMENT GUIDE
- Attachment Combinations
- Track Shoes Selection
- RECOMMENDED ATTACHMENT OPERATIONS
- Hydraulic Breaker
- Main Applications
- Crusher
- HANDLING MACHINES EQUIPPED WITH KOMTRAX
- Basic Precautions
Inside this manual
Real pages from this operation & maintenance manual (403 pages). Open the sample pages (PDF, 423 KB)
- Controls and operation, page 163: AIR CONDITIONER CONTROLS
- Specifications, page 265: When Using General Attachment Such As Crusher
- Maintenance, page 367: MAINTENANCE
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the PC88MR-8 are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
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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.
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, 403 pages
Quantity one is the manual described above.
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Other editions and similar models
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