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Komatsu Utility GALEO PC20MR-2 User Manual

Komatsu Utility GALEO PC20MR-2
234 pages
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Operation & Maintenance
Manual
WEAM007000
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 personnel
who will come into contact with the machine.
WARNING
PC20MR-2
HYDRAULIC EXCAVATOR
SERIAL NUMBER
PC20MR-2 15001 and up

Table of Contents

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Komatsu Utility GALEO PC20MR-2 Specifications

General IconGeneral
BrandKomatsu Utility
ModelGALEO PC20MR-2
CategoryIndustrial Equipment
LanguageEnglish

Summary

Foreword and Introduction

Foreword

Provides an overview of the manual's purpose, content, and importance for machine operation and maintenance.

Information on Safety

Details critical safety information, including signal words (DANGER, WARNING, CAUTION) and their meanings.

Introduction to Komatsu Machines

Covers intended uses, improper uses, and main characteristics of Komatsu machines.

Running-In and Machine Directions

Explains the initial running-in procedure and defines directional terms for machine operation.

Product Identification

Machine Serial and Identification Numbers

Details the location and importance of machine serial and product identification numbers (PIN).

Engine and Component Serial Numbers

Specifies the location of serial numbers for the engine, travel reduction gear, and swing reduction gear.

Cab Serial Number and Dealer Information

Indicates the location of the cab serial number and provides space for dealer contact details.

Safety, Noise, and Vibration Plates

Safety Plate Locations

Illustrates the positions of safety plates on the machine and emphasizes maintaining their legibility.

Pictograms and Their Meanings

Explains the meaning of various warning and danger pictograms used on machine safety plates.

Noise Levels and Vibrations

Details noise levels inside and outside the cab, and the vibrations experienced by the operator.

General Precautions for Safe Operation

General Safety Rules

Outlines fundamental safety rules for machine usage and maintenance by trained personnel.

Safety Devices and Guards

Emphasizes the importance of correctly positioned safety devices and guards for preventing injury.

Personal Protective Equipment

Specifies necessary clothing, goggles, gloves, and hearing protection for safe operation and maintenance.

Leaving the Operator's Seat

Provides a sequence of actions to ensure the machine is in a safe state before leaving the operator's seat.

Preventing Fires and Burns

Details precautions related to fuel and oil handling, and avoiding burns from hot engine components.

Handling Asbestos Powder and Work Equipment Safety

Advises on safely handling asbestos powder and avoiding damage from work equipment misuse.

Precautions Before Starting and During Work

Safety Before Starting Engine

Covers work site safety checks, fire prevention, and cab precautions before starting the engine.

Precautions When Working

Provides essential guidelines for starting the engine, checking direction, and moving the machine safely.

Moving and Working on Slopes

Details safe practices for moving the machine on slopes and working in inclined conditions.

Preventing Electrocution and Ensuring Visibility

Advises on electrical safety near overhead lines and maintaining visibility in various conditions.

Parking and Ground Condition Precautions

Explains how to safely park the machine on firm ground or slopes and precautions for loose ground.

Transportation and Battery Safety

Transporting Machine on Vehicles

Covers procedures for loading, unloading, and transporting the machine safely on trailers.

Battery Safety and Starting with Booster Cables

Details risks associated with batteries and provides instructions for safe connection of booster cables.

Machine Removal Precautions

Outlines necessary precautions and procedures when removing the machine or its components.

Maintenance Precautions and Procedures

General Maintenance Safety

Covers safety aspects related to warning plates, tools, personnel, and equipment during maintenance.

Specific Maintenance Tasks and Precautions

Details procedures for cleaning the machine, working under it, and handling specific equipment.

Engine and Component Safety During Maintenance

Addresses engine use during maintenance, critical parts replacement, and engine shutdown procedures.

Fueling, Coolant, and Electrical System Safety

Covers safe practices for topping up fuel/oil, checking coolant, using lamps, and battery/alternator precautions.

High-Pressure Systems and Temperature Safety

Highlights safety measures for handling high-pressure oil and performing maintenance at high temperatures.

Hydraulic Accumulator and Track Tension Safety

Details safety precautions for hydraulic accumulators and adjusting track tension with high-pressure grease.

Fan Belt, Waste Materials, and Air Cleaning Safety

Covers safety related to cooling fan belts, waste disposal, compressed air use, and biodegradable oil.

Machine Operations and Controls Overview

Machine View Illustrations

Provides an overall view of the machine's components and their labels for identification.

Detailed Controls and Gauges

Explains the function and operation of various controls, gauges, and monitoring systems.

Monitoring System Details

Emergency Monitors and Indicators

Critical warnings for engine oil pressure, charge level, and pre-heating status.

Meter Displays

Displays for engine temperature, fuel level, and service meter tracking operating hours.

Pilot Lamps

Warning lights indicating specific operational states or potential issues.

Monitor Switches

Switches for lamps and travel speed selection for operator control.

Operator Controls: Switches, Levers, and Pedals

Starting Switch and Related Controls

Operation of the starting switch, horn, lamps, and travel speed selector.

Control Levers and Pedals

Details operation of safety levers, work equipment controls, travel levers, and attachment pedals.

Safety Lock and Floor Lock Levers

Levers for locking controls and the cab floor to ensure safety during operation or maintenance.

Windshield and Cab Features

Operation of windshield, sliding door, and emergency escape hammer for operator safety and comfort.

Windshield Operation

Procedures for opening, closing, and removing the front windshield.

Sliding Door and Window Operation

Instructions for operating the cab's sliding door and window.

Emergency Escape Hammer

Location and use of the hammer for emergency exit from the cab.

Caps and Covers with Lock

Procedures for opening and closing various machine caps and covers using the ignition key.

Engine and Cooling Covers

Instructions for accessing and securing the engine rear and cooling covers.

Tank Cover and Floor Access

Procedures for opening the tank cover and tilting the floor for maintenance.

Tank Cover Operation

Steps for opening and closing the tank cover securely.

Method of Opening (Tilting) Floor

Detailed steps for safely opening and tilting the machine floor.

Fuse Box and Block Fuse

Information on the location, capacity, and replacement of fuses.

Storage and Accessories

Location of operation manual, tool box, grease gun holder, and ashtray.

Pre-Start Engine and Machine Checks

Walk-Around Checks Before Engine Start

Daily inspection routine covering machine exterior, work equipment, fluids, and safety features.

Pre-Start Checks: Coolant, Oil, Fuel, and Wirings

Essential checks for coolant level, engine oil, fuel, hydraulic oil, dust indicator, wirings, and horn.

Seat and Lever Adjustments

Guidance on adjusting the operator's seat and levers for optimal comfort and control.

Seat Belt Usage and Adjustment

Instructions for proper seat belt fastening, adjustment, and periodic replacement for safety.

Pre-Start Engine Operations

Steps to follow before starting the engine, including safety lock lever checks and indicator light tests.

Starting the Engine (Normal and Cold Weather)

Detailed procedures for starting the engine under normal and cold weather conditions.

Post-Start Engine Procedures

Covers breaking in a new machine and performing warming-up operations before starting work.

Stopping the Engine

Safe procedures for stopping the engine, including gradual cool-down and key removal.

Machine Operation Procedures

General Machine Operation Safety

Emphasizes safety before moving, checking surroundings, and confirming alarm functionality.

Moving the Machine (Forward and Backward)

Instructions for preparing and safely moving the machine forward and backward.

Stopping the Machine

Safe methods for stopping the machine, avoiding sudden stops and ensuring adequate space.

Steering the Machine

Guidance on steering using travel levers, including changing direction and counter-rotation turns.

Swinging the Upper Structure

Procedures for safely swinging the upper structure and applying the swing holding brake.

Work Equipment Controls and Operations

Details on operating the arm, swing, boom, bucket, boom swing, and blade controls.

Prohibited Operations

Lists operations that must be avoided to prevent machine damage, injury, or instability.

General Operation Information and Slopes

Covers traveling over obstacles, folding work equipment, blade precautions, and traveling/working on slopes.

Mud Escape and Excavator Applications

Provides methods for escaping mud and outlines common applications like backhoe and ditching work.

Bucket Changing Procedure

Step-by-step instructions for safely changing the bucket, including pin removal and lubrication.

Parking the Machine Safely

Guidelines for parking the machine on level ground or slopes, and securing it with safety levers.

Post-Operation Checks and Locking

Covers checks after shutdown, daily inspection, and locking procedures for security.

Rubber Shoes (If Equipped)

Information on optimal use, warranty, prohibited works, and maintenance of rubber shoes.

Machine Transportation and Lifting

Transportation Procedures

Covers general rules for transporting the machine by trailer, including weight and dimension considerations.

Loading and Unloading Operations

Detailed steps and safety precautions for loading and unloading the machine onto a trailer.

Securing the Machine for Transport

Instructions for securing the machine on the trailer using blocks, chains, and safety levers.

Lifting the Machine Safely

Guidelines for lifting the machine using a crane, including operator qualifications and proper rigging.

Cold Weather Operation and Storage

Cold Weather Operation Information

Covers fuel, lubricants, coolant, and battery considerations for low temperatures.

Cab Heater Usage

Instructions for using the cab heater effectively in cold weather conditions.

Post-Daily Work and Seasonal Procedures

Covers cleaning the machine after cold weather work and procedures for transitioning to warmer seasons.

Long Term Storage Procedures

Guidelines for preparing the machine for storage, during storage operations, and after storage.

Troubleshooting and Actions

Common Operational Phenomena

Describes phenomena that are not failures, such as temporary speed drops or noises.

Towing the Machine

Provides instructions and warnings for safely towing the machine when it is stuck or needs to be moved.

Battery Issues and Charging

Covers troubleshooting discharged batteries, removal/installation, charging safety, and booster cable use.

Electrical System Troubleshooting

Addresses common electrical system problems like lamps, monitors, starting motor, and wiring issues.

Chassis and Engine Troubleshooting

Details potential issues related to chassis movement, pump noise, oil temperature, and engine indicators.

Engine Performance Troubleshooting

Covers problems related to exhaust gas color, combustion noise, and engine performance indicators.

Maintenance Information and Schedules

General Maintenance Guidelines

Covers oil, filter, coolant handling, service meter reading, and welding instructions.

Specific Maintenance Tasks and Precautions

Details on avoiding dropped items, handling dusty jobsites, mixing lubricants, and hydraulic system bleeding.

Post-Maintenance Checks

Ensures all checks are performed after maintenance to prevent issues and ensure safety.

Lubricants, Coolant, and Filter Specifications

Handling Oils, Fuel, and Coolant

Provides guidelines for handling engine oil, fuel, and coolant, including KOWA oil analysis.

Cooling System Coolant and Grease

Details on using coolant, antifreeze, and recommended grease types and intervals.

Oil and Fuel Storage, and Filter Replacement

Covers safe storage of oil/fuel, filter replacement intervals, and handling of filter elements.

Electric System and Hydraulic System Handling

Maintenance procedures for electrical systems and safe handling of hydraulic systems.

Wear Parts List and Specifications

Lists common wear parts, their part numbers, quantities, and replacement frequencies.

Lubricant, Fuel, and Coolant Specifications

Provides a comprehensive table of recommended fluids and capacities based on ambient temperature.

Biodegradable Lubricant Information

Details on using HEES synthetic biodegradable hydraulic oil and its compatibility.

Tightening Torque and Lubrication

Tightening Torque Specifications

Provides a table of specified tightening torques for various bolt sizes to ensure proper assembly.

Lubrication Diagram and Points

Illustrates lubrication points on the machine and refers to lubricant tables for proper fluid selection.

Safety Critical Parts and Maintenance Schedule

Safety Critical Parts List

Identifies critical parts requiring periodic replacement to ensure machine safety and prevent failures.

Maintenance Schedule Chart

Provides a schedule for required maintenance tasks based on operating hours and time intervals.

Hydraulic Breaker Maintenance Intervals

Specifies maintenance intervals for hydraulic oil and filters, particularly when using a hydraulic breaker.

Detailed Maintenance Procedures

Air Cleaner Element Maintenance

Steps for checking, cleaning, or replacing the air cleaner element to maintain engine performance.

Cooling System Cleaning

Procedure for cleaning the cooling system and changing the coolant, including mixing ratios.

Battery Electrolyte Level Check

Instructions for checking and maintaining the battery electrolyte level for optimal performance and safety.

Fuel Filter Cleaning and Fuel Tank Draining

Procedures for cleaning the fuel filter with a water separator and draining the fuel tank.

Track Tension Adjustment (Steel and Rubber Shoes)

Guidance on checking and adjusting track tension for both steel and rubber shoe configurations.

Rubber Shoe Maintenance

Procedures for checking lug height, steel cord cuts, core separations, tension, and cracks in rubber shoes.

Replacing Rubber Shoes

Step-by-step instructions for safely removing and installing rubber shoes, including tension adjustment.

Window Washer Fluid Check

Procedure for checking and adding window washer fluid, including mixture ratios for different temperatures.

Hydraulic System Air Bleeding

Steps for bleeding air from hydraulic cylinders and attachments after piping connections or repairs.

500-Hour Maintenance Tasks

Details lubrication of swing components and work equipment, and engine oil/filter replacement.

Fuel Filter Element and Final Drive Case Oil

Procedures for changing the fuel filter element and changing oil in the final drive case.

Engine Valve Clearance and Component Checks

Instructions for checking engine valve clearance and inspecting the alternator and starting motor.

2000-Hour Maintenance: Hydraulic Tank Oil Change

Procedure for changing hydraulic oil and cleaning the hydraulic tank strainer.

Technical Specifications

General Machine Specifications

Lists key specifications including operating weight, dimensions, engine details, and travel speeds.

Machine Working Ranges

Details the machine's working ranges, such as digging reach, depth, and dumping height.

Lifting Capacities

Lifting Capacities with Canopy

Provides lifting capacity charts for machines equipped with a canopy, showing load limits at various radii.

Lifting Capacities with Cab

Provides lifting capacity charts for machines equipped with a cab, showing load limits at various radii.

Authorized Optional Equipment

General Information on Attachments and Options

Covers safety guidelines for installing and using authorized attachments and options.

Attachment Installation Safety

Emphasizes safety precautions and potential risks associated with installing long or heavy work equipment.

Optional Equipment Characteristics

Lists characteristics of optional equipment such as buckets, hammers, and drills, including weight and dimensions.

Machine Ready for Attachment

Attachment Connection Locations

Identifies locations of the quick coupler, selector valve, and attachment control pedals.

Hydraulic Circuit Assembly and Bleeding

Details on connecting hydraulic circuits for attachments and bleeding air from the system.

Attachment Operations

Operating Breakers and General Attachments

Instructions for operating attachments like breakers and crushers, including safety precautions.

Long Term Storage of Attachments

Guidelines for storing the machine with attachments when not in use for extended periods.

Recommended Attachment Operations

Hydraulic Breaker Usage

Instructions for using a hydraulic breaker, including main applications and prohibited works.

Breaker Operation Techniques

Details on proper impact techniques, chisel alignment, and avoiding damaging operations.

Breaker Greasing

Guidance on the correct posture and method for greasing the hydraulic breaker.

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