Name: Komatsu PC800-8
Brand: Komatsu
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PC800

-8

PC800LC

-8

SERIAL NUMBER

PC800-8 - 50001

and up

PC800LC-8 - 50001

and up

HYDRAULIC EXCAVATOR

Unsafe use of this machine may cause serious injury or

death. Operators and maintenance personnel must read

this manual before operating or maintaining this

machine. This manual should be kept inside the cab for

reference and periodically reviewed by all personel who

will come into contact with the machine.

Operation &

Maintenance Manual

UEAM005400

WARNING

Foreword5
Safety Information5
- Noise Emission Levels7
- Vibration Levels8
  - Guide to Reduce Vibration Levels on Machine8
- Breaking-In the New Machine10
Introduction11
- Visibility from Operator's Seat12
  - Proximity Visibility12
  - Circumference Visibility12
Product Information13
- Product Identification Number (Pin)/Machine Serial No. Plate13
- Epa Regulations, Engine Number Plate13
- Service Meter Location14
- Your Machine Serial Numbers and Distributor14
- Machine Serial Plate15
- Table of Contents17
Safety25
Safety Information26
Safety Labels28
- Location of Safety Labels29
- Safety Labels30
Safety Information37
- Safety Rules37
- If Problems Are Found37
- Working Wear and Personal Protective Items37
- Fire Extinguisher and First Aid Kit37
- Safety Equipment38
- Keep Machine Clean38
- Keep Operator's Compartment Clean38
- Leaving Operator's Seat with Lock38
- Handrails and Steps39
- Mounting and Dismounting40
- No Persons on Attachments40
- Do Not Get Caught in Articulated Portion40
- Burn Prevention40
- Fire Prevention and Explosion Prevention41
- Action if Fire Occurs42
- Windshield Washer Fluid42
- Falling Objects, Flying Objects and Intruding Objects Prevention42
- Attachment Installation42
- Attachment Combinations43
- Cab Window Glasses43
- Unauthorized Modifications43
- Safety at Jobsite43
- Working on Loose Ground43
- Distance to High Voltage Cables44
- Ensure Good Visibility44
- Ventilation for Enclosed Area45
- Signalman's Signal and Signs45
- Emergency Exit from Operator's Cab45
- Asbestos Dust Hazard Prevention45
Safety Machine Operation46
- Starting Engine46
- Checks before Starting Engine46
- Safety Rules for Starting Engine46
- Operation47
- Starting Engine in Cold Weather47
- Checks before Operation47
- Safety Rules for Changing Machine Directions47
- Safety Rules for Traveling48
- Traveling on Slopes49
- Operations on Slopes50
- Prohibited Operations50
- Operations on Snow52
- Parking Machine52
- Transportation53
- Loading and Unloading53
- Shipping the Machine53
- Battery54
- Battery Hazard Prevention54
- Towing55
- Starting Engine with Booster Cables55
- Safety Rules for Towing55
- Lifting Objects with Bucket56
- Safety Rules for Lifting Objects56
Safety Maintenance Information57
- Warning Tag57
- Keep Work Place Clean and Tidy57
- Appoint Leader When Working with Others57
- Stop Engine before Carrying out Maintenance58
- Two Workers for Maintenance When Engine Is Running58
- Proper Tools59
- Accumulator, Gas Spring59
- Personnel59
- Attachments60
- Work under the Machine60
- Noise60
- When Using Hammer60
- Welding Works60
- Removing Battery Terminals61
- Safety First When Using High-Pressure Grease to Adjust Track Tension61
- Do Not Disassemble Recoil Springs61
- Safety Rules for High-Pressure Oil61
- Precaution for High Fuel Pressure62
- Safety Handling High-Pressure Hoses62
- Precaution for High Voltage62
- Waste Materials63
- Air Conditioner Maintenance63
- Compressed Air63
- Periodic Replacement of Safety Critical Parts63
Contents66
Operation66
Machine View Illustrations66
- Overall Machine View66
- Controls and Gauges67
Detailed Controls and Gauges69
- Monitoring System69
  - Basic Operation of Machine Monitor70
  - Emergency Monitors73
  - Caution Monitors75
  - Basic Check Monitors77
  - Meter Display Portion79
  - Monitor Switches Portion83
- Switches98
- Control Levers and Pedals105
- Sun Roof107
  - Opening108
  - Closing108
- Windshield108
- Emergency Exit from Operator's Cab113
- Door Lock113
- Cap with Lock113
- Hot and Cool Box115
- Magazine Box115
- Ashtray115
- Air Conditioner Controls116
  - Air Conditioner Control Panel116
  - Method of Operation120
  - Use Air Conditioner with Care126
  - Air Conditioner Maintenance127
  - Other Functions127
- Radio-Cassette (Option)-65129
  - Use Radio with Care129
- Auxiliary Electric Power130
  - Power Source130
- Fuse132
- Circuit Breaker133
- Controller134
- Tool Box134
- Grease Pump135
  - Method of Use135
  - Precautions When Using136
  - Supplying Grease137
- Accumulator Handling139
  - Releasing Pressure in the Control Circuit on Machines Equipped with an Accumulator139
Machine Operations and Controls140
- Before Starting Engine140
- Starting Engine156
- After Starting Engine159
- Stopping the Engine168
- Machine Operation169
- Steering the Machine173
  - Steering173
- Swinging175
- Work Equipment Controls and Operations176
- Working Mode178
- Prohibited Operations179
- General Operation Information181
- Traveling on Slopes182
- Escape from Mud184
  - Track on One Side Stuck184
  - Tracks on both Sides Stuck184
- Recommended Applications185
- Bucket Replacement186
  - Replacement186
- Parking Machine188
- Machine Inspection after Daily Work190
- Locking190
Transportation191
- Transportation Procedure191
- Lifting Machine191
- Shipping Machine Information193
- Transportation Posture194
- Procedure for Increasing or Reducing Track Frame Gauge199
Cold Weather Operation201
- Cold Weather Operation Information201
- After Daily Work Completion204
- After Cold Weather Season204
Contents201
Long Term Storage205
- Before Storage205
- During Storage206
- After Storage206
- Starting Machine after Long-Term Storage206
Troubles and Actions207
- Running out of Fuel207
- Phenomena that Are Not Failures208
- Towing the Machine208
- Severe Job Condition209
- Discharged Battery210
- Other Trouble214
Maintenance221
Maintenance Information222
Outline of Service224
- Handling Oil, Fuel, Coolant, and Performing Oil Clinic224
- Electric System Maintenance228
- Explanation of Lubrication Chart Decal229
Wear Parts231
- Wear Parts List231
Recommended Fuel, Coolant, and Lubricant232
- Recommended Brands, Recommended Quality for Products Other than Komatsu Genuine Oil234
Tightening Torque Specifications235
- Tightening Torque List235
Safety Critical Parts236
- Safety Critical Parts List236
Maintenance Procedure237
Maintenance Schedule237
- Maintenance Schedule Chart237
- Initial 100 Hours Maintenance (Only after the First 100 Hours)237
- Initial 500 Hours Maintenance (Only after the First 500 Hours)237
- When Required239
- Check before Starting260
- Checks before Starting260
- Every 10 Hours Maintenance261
  - Lubricating261
- Every 100 Hours Maintenance263
  - Lubricating Swing Circle263
- Every 250 Hours Maintenance264
- Every 500 Hours Maintenance269
Contents273
- Every 1000 Hours Maintenance278
- Every 2000 Hours Maintenance289
- Every 4000 Hours Maintenance295
- Every 5000 Hours Maintenance298
  - Change Oil in Hydraulic Tank298
- Every 8000 Hours Maintenance300
  - Replace High-Pressure Piping Clamp300
  - Replace Fuel Spray Prevention Cap300
Specifications301
Attachments and Options305
General Precautions for Safety306
- Precautions When Selecting306
- Read the Instruction Manual Thoroughly306
- Precautions When Removing or Installing306
- Precautions When Using307
Attachment Guide308
- Combinations of Work Equipment309
  - Working Range Diagram310
- Track Shoes Selection311
Handling Machines Equipped with Komtrax312
- Basic Precautions312

Brand	Komatsu
Model	PC800-8
Category	Excavators
Language	English

Komatsu PC800-8 User Manual

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Komatsu PC800-8 Specifications

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