Komatsu PC300-6, PC300LC-6, PC350-6, PC350LC-6 Hydraulic Excavator Operation & Maintenance Manual
286 pages · Publication SEAM009001
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What's inside
From the manual's own table of contents: 32 sections, 143 entries. See sample pages (PDF, 371 KB)
Precautions during operation6 topics
- Before starting engine
- Operating machine
- Transportation
- Battery
- Towing
- Bucket with hook
Precautions for maintenance2 topics
- Before carrying out maintenance
- During maintenance
General view2 topics
- General view of machine
- General view of controls and gauges
Explanation of components19 topics
- Machine monitor
- Switches
- Control levers, pedals
- Ceiling window
- Front window
- Door lock
- Cap, cover with lock
- Hot and cool box
- Luggage box
- Ashtray
- Handling air conditioner
- Car radio
- Electric power take-out adapter
- Fuse
- Fusible link
- Controllers
- Tool box
- Greas gun holder
- Handling accumulator
Operation21 topics
- Check before starting engine
- Starting engine
- Operations and checks after starting engine
- Moving machine off
- Steering machine
- Stopping machine
- Swinging
- Operation of work equipment
- Handling active mode
- Handling working mode
- Prohibitions for operation
- Precautions for operation
- Precautions when traveling up or down hills
- How to escape from mud
- Work possible using hydraulic excavator
- Replacement and inversion of bucket
- Parking machine
- Check after finishing work
- Stopping engine
- Check after stopping engine
- Locking
Transportation3 topics
- Transportation procedure
- Loading, unloading work with trailers
- Method of lifting machine
Cold weather operation3 topics
- Precautions for low temperature
- Precautions after completion of work
- After cold weather
Long-term storage4 topics
- Before storage
- During storage
- After storage
- Starting machine after long-term storage
Troubleshooting6 topics
- Phenomena that are not failures
- Method of towing machine
- Using method for light-weight towing hole
- Precautions on particular jobsites
- If battery is discharged
- Other trouble
Outlines of service3 topics
- Outline of oil, fuel, coolant
- Outline of electric system
- Outline of hydraulic system
Standard tightening torques for bolts and nuts2 topics
- Introduction of necessary tools
- Torque list
Maintenance schedule chart1 topic
- Maintenance interval when using hydraulic breaker
Service Procedure11 topics
- Initial 250 hours service
- When required
- Check before starting
- Every 50 hours service
- Every 100 hours service
- Every 250 hours service
- Every 500 hours service
- Every 1000 hours service
- Every 2000 hours service
- Every 4000 hours service
- Every 5000 hours service
Show all 32 sections
General precautions2 topics
- Precautions related to safety
- Precautions when installing attachments
Handling bucket with hook3 topics
- Checking for damage to bucket with hook
- Prohibited operations
- Precautions during operations
Using seat belt1 topic
- Seat belt
Handling car heater2 topics
- General locations
- Precaution for car heater
Machines ready for attachment5 topics
- Hydraulic circuit
- Procedure for removal and installation of attachment
- Operation
- Long term storage
- Specifications
Introduction of attachments5 topics
- Specification, use
- Attachment installation combination table
- Selection of track shoes
- Selection of bucket teeth
- Handling trapezoidal bucket
Extending machine service life8 topics
- Hydraulic breaker
- Power ripper
- Fork grab
- Grapple bucket
- Scrap grapple
- Crusher and cutter
- Hydraulic pile driver
- Hydraulic excavator with multi-purpose crane
Auto-greasing system2 topics
- Auto greasing controller
- Action when abnormality occurs
Inside this manual
Real pages from this operation & maintenance manual (286 pages). Open the sample pages (PDF, 371 KB)
- Controls and operation, page 110: 12. OPERATION
- Maintenance, page 210: 24.5 EVERY 100 HOURS SERVICE
- Specifications, page 242: 25. SPECIFICATIONS
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the PC300LC-6 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, 286 pages
Quantity one is the manual described above.
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Other editions and similar models
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).