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Komatsu PC240LC-10 User Manual

Komatsu PC240LC-10
31 pages
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CEAM025104
Operation & Maintenance
Manual
PC240LC
-10
HYDRAULIC EXCAVATOR
SERIAL NUMBERS PC240LC-10 A20001 and up
ENGINE 6D107E-2
This material is proprietary to Komatsu America Corp. and is not to be reproduced, used, or disclosed except in
accordance with written authorization from Komatsu America Corp.
It is our policy to improve our products whenever it is possible and practical to do so. We reserve the right to make
changes or improvements at any time without incurring any obligation to install such changes on products sold
previously.
Due to this continuous program of research and development, revisions may be made to this publication. It is
recommended that customers contact their distributor for information on the latest revision.
Copyright 2017 Komatsu
Printed in U.S.A.
Komatsu America Corp.
June 2017

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Komatsu PC240LC-10 Specifications

General IconGeneral
BrandKomatsu
ModelPC240LC-10
CategoryExcavators
LanguageEnglish

Summary

Foreword

Safety Precautions and Warnings

Emphasizes reading and following all safety precautions and warnings for safe operation and maintenance.

Manual Handling and Updates

Covers manual storage, transfer of ownership, and information on publication revisions and updates.

Safety Alert Symbol and Signal Words

Safety Alert Symbol

Explains the meaning of the safety alert symbol (exclamation point in triangle) and its importance.

Signal Words: DANGER, WARNING, CAUTION

Defines DANGER, WARNING, and CAUTION signal words and their associated hazard levels.

NOTICE and REMARK

Explains NOTICE for machine damage prevention and REMARK for useful information.

Basic Machine Introduction

Machine Work Types

Lists the primary types of work the Komatsu machine is designed for, such as digging and leveling.

Directions of Machine

Defines terms like front, rear, left, and right relative to the operator's seat and machine orientation.

Visibility from Operator's Seat

Visibility Area

Illustrates visibility from the operator's seat at a specified distance and height from the machine.

Visibility for 12m Circumference

Shows visibility within a 12m radius, highlighting areas blocked by the machine.

Operator Protection Structure (ROPS)

Product Information

Product Identification and Serial Number Plate

Details the location and importance of the Product Identification Number (PIN) and Machine Serial Number plate.

EPA Regulations and Engine Number Plate

Describes the location of the EPA Regulations and Engine Number plate on the machine.

Service Meter Location

Location on Machine Monitor

Indicates the location of the service meter on top of the machine monitor.

Machine Serial Numbers and Distributor Information

Data Entry Fields

Provides fields for recording machine serial number, engine serial number, PIN, and distributor details.

Engine Acronyms

KDPF, KCCV, VGT Definitions

Lists and defines engine acronyms: KDPF, KCCV, and VGT for technical reference.

Safety

General Safety Warning

A crucial warning to read, understand, and strictly follow all precautions and safety labels.

Safety Labels

Importance of Safety Labels

Emphasizes understanding, maintaining, and replacing safety labels for proper machine use.

Label Diagram and Numbering

Presents a diagram showing the location of various safety labels on the machine.

Location of Safety Labels

Label 1: Operation, Inspection, Maintenance Warning

Details the warning for operation, inspection, and maintenance, including manual placement and replacement.

Label 2: Pre-Operation Warning

Provides a warning before operating, detailing actions like honking horn and checking surroundings.

Safety Warning: Leaving Operator's Seat

Locking Levers Before Exiting

Instructs to lower equipment and lock levers before leaving the operator's seat to prevent unexpected movement.

Danger: Proximity to Electric Cables

Electrocution Hazard and Clearance

Warns of electrocution hazard from electric lines and provides minimum clearance distances based on voltage.

Warning: Operating Pattern Confirmation

Confirming Machine Motion

Advises confirming machine motion and operating pattern before operation to prevent accidents.

Warning: Opening/Closing Front Window

Lock Lever Engagement

Instructs to engage the lock lever before opening/closing windows to prevent accidental operation.

Warning: Stowing Front Window

Securing Window with Lock Pins

Details securing the front window with lock pins when raising it to prevent falling.

Warning: High-Temperature Hydraulic Oil

Hot Oil Hazard Precautions

Advises precautions for hot oil, including turning off the engine, allowing to cool, and loosening cap slowly.

Warning: High-Temperature Coolant

Hot Water Hazard Precautions

Details precautions for hot water, including turning off engine, cooling, and slowly loosening cap.

Warning: Accumulator and Gas Spring Handling

Explosion Hazard Precautions

Warns of explosion hazard, advising to keep away from flame and not to weld or drill.

Warning: Adjusting Track Tension

High Pressure Hazard

Warns of high pressure from lubricator/grease and advises careful turning of lubricator.

Warning: Handling Cables

Improper Use Hazard

Warns of explosion risk from improper use of jumper and battery cables, advising to follow manual instructions.

Caution: While Engine is Running

Access Restrictions

Advises not to open covers and to keep away from the fan and fan-belt while the engine is running.

Emergency Escape Procedure

Using Emergency Exit Hammer

Describes using an equipped hammer to smash a window pane for emergency exit if the door is blocked.

Caution: Falling Hazard

Avoid Standing on Hood

Warns against standing on the hood of the machine.

Warning: Swinging or Reverse Travel

Monitor Display Mode and Surroundings Check

Advises changing monitor display mode and checking surroundings before swinging or reversing.

Danger: Keep Off Swing Area

Hazard of Being Hit

Sign indicates hazard of being hit by working device and advises keeping away during operation.

Warning: Work Equipment Hazard

Stay Clear of Moving Parts

Advises staying away from the machine during operation to avoid hazards from work equipment.

Danger: Handling Battery

Battery Hazards and Precautions

Details hazards of lead-acid batteries (explosion, burn, shock) and necessary safety precautions.

Warning: Prohibition of Starting by Short-Circuiting

Explosion and Injury Risk

Warns that short-circuiting can cause explosion and serious injury or death.

Caution: Blast Site

Warning: High-Pressure Fuel System

Do Not Open While Engine Running

Warns against opening the high-pressure fuel system while the engine is running due to spray hazard.

Caution: High-Temperature Components

Burn Hazard from Hot Parts

Indicates a burn hazard from touching hot parts like engine, motor, or muffler during or after operation.

Warning: Do Not Use Ether

Explosion and Severe Injury Risk

Warns that using ether with electric heater starting aid may cause explosion and severe injury.

Warning: Changing Operating Patterns

Parking, Engine Stop, and Lock Lever

Instructs to park, stop engine, and lock lever before changing control patterns.

Control Pattern Selector Lever Alignment

Details aligning the control pattern selector lever to the specified position and checking the detent.

Control Pattern Card Exchange

Reminds to exchange the control pattern card and display the new one inside the operator's cab.

Warning: Operating Pattern Verification

Confirm Machine Motion Match

Advises checking that machine movement matches the pattern card before starting operations.

Safe Area Check and Slow Operation

Instructs checking the surrounding area for safety and operating slowly when confirming machine movement.

Pattern Change Alert

ISO and Backhoe Patterns

Illustrates the ISO and Backhoe operating patterns for reference.

Caution: Handling ROPS

ROPS Modification Prohibition

Warns against modifying the ROPS structure (drilling, cutting, welding) as it affects strength and compliance.

Wear Seat Belt

Advises always wearing a seat belt when moving the machine.

Control Pattern Table

ISO and Backhoe Pattern Table

Presents a table showing ISO and Backhoe control patterns.

Caution: No Step Area

Keep Off Designated Areas

Warns to keep off certain areas marked as 'NO STEP'.

General Precautions for Operation and Maintenance

Ensure Safe Operation

Emphasizes that only trained personnel should operate and follow all safety instructions.

Understand the Machine

Advises reading the manual thoroughly and seeking clarification for any unclear information.

Preparations for Safe Operation

Safety-Related Equipment Checks

Ensures all guards, covers, cameras, and mirrors are in place and functional.

Machine Inspection Before Operation

Requires checking the machine for any abnormalities before starting operations.

Clothing and Personal Protective Equipment (PPE)

Details required PPE like hard hats, safety shoes, glasses, gloves, and cautions about loose clothing and hair.

Keep Machine Clean

Preventing Slips and Electrical Malfunctions

Stresses cleaning mud/oil to prevent slips and avoiding water contact with electrical components.

Camera Cleaning Precautions

Advises careful camera cleaning with a soft cloth and using stable platforms to avoid falls.

Operator's Compartment Safety

Footwear and Loose Items

Warns about removing mud/oil from shoes and not leaving tools/parts inside the compartment.

Prohibited Items and Actions

Prohibits suction pads on windows, cell phone use during operation, and bringing flammable items.

Fire Extinguisher and First Aid Kit

Availability and Maintenance

Ensures fire extinguishers are available, charged, and first aid kit contents are checked and replenished.

Reporting and Correcting Problems

Do Not Operate Until Corrected

Instructs to report any machine problems and not operate until they are corrected.

Fire and Explosion Prevention

Awareness of Fire Procedures

Emphasizes being aware of necessary actions for fire events and fire prevention precautions.

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