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IHI 55N3 - User Manual

IHI 55N3
115 pages
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SERIAL NUMBER
WP003001
55N3
PUB.1
OPERATION MANUAL
0903 ENG

Questions and Answers

  • J
    Jenna RiveraAug 4, 2025
    Why are all IHI 55N3 Compact Excavator operations failing or experiencing decreased force and speed?
    • E
      Elaine HodgesAug 4, 2025
      Several factors can cause this issue: * Low hydraulic oil: Replenish the hydraulic oil. * Clogged suction strainer: Clean the filter element. * Engine output drop: Clean the air cleaner and inspect the fuel system. * Damaged pump or coupling: Repair or replace the affected parts. * Improper viscosity hydraulic oil: Replace the hydraulic oil with the recommended viscosity. * Main relief valve pressure too low: Check and adjust the pressure. * Damaged control valve: Repair or replace the valve.
  • Y
    Yvonne SmallAug 9, 2025
    Why is the digging force defective on my IHI 55N3 Compact Excavator?
    • D
      Douglas DiazAug 9, 2025
      Several potential causes exist: * Low hydraulic oil: Replenish the hydraulic oil to the correct level. * Improper viscosity hydraulic oil: Replace the hydraulic oil with the recommended viscosity. * Main relief valve pressure too low: Check and adjust the pressure to the specified level. * Control valve damaged: Repair or replace the damaged control valve. * Internal leakage of hydraulic cylinder: Repair or replace the hydraulic cylinder.
  • J
    Jason MoonAug 14, 2025
    What to do if the IHI Compact Excavator operating lever is hard to move or doesn't return automatically?
    • T
      Tanya PalmerAug 14, 2025
      This can occur due to: * Failed lubrication of the lever working part: Lubricate the lever. * Control valve damage: Repair or replace the control valve.
  • N
    Nicholas WrightAug 19, 2025
    What causes the IHI 55N3 Compact Excavator to have defective straight travel?
    • A
      Antonio JohnsonSep 12, 2025
      Possible causes include: * Clogging due to foreign matter: Remove the foreign matter. * Unequal shoe tension: Adjust the tension on both sides to ensure they are properly balanced. * Defective pump: Repair or replace the pump. * Loose travel lever stopper: Adjust and tighten the nut. * Defective motor or brake valve: Repair or replace the motor or brake valve.
  • L
    Lisa BrownAug 25, 2025
    What causes travel of left, right, or both sides to be inoperable on IHI 55N3?
    • J
      Joanna JacksonAug 25, 2025
      This issue may arise due to: * Clogging by foreign matter such as stone: Remove the foreign matter. * Defective travel motor or reduction: Repair or replace the defective components. * Defective brake valve: Repair or replace the brake valve.
  • K
    Kathy ThomasAug 29, 2025
    Why is the swing inoperable or not smooth on my IHI 55N3 Compact Excavator?
    • J
      James RiveraAug 29, 2025
      Possible reasons for this include: * Failure to lubricate the swing bearing: Lubricate the swing bearing. * Defective motor: Repair or replace the motor. * Defective brake valve: Repair or replace the brake valve. * Defective cushion valve: Repair or replace the cushion valve.
  • А
    АвезмуродMay 29, 2026
    Здравствуйте скиньте мне пожалуйста схема гидра в ад и шланги

    Summary

    Foreword

    Safety Information

    Safety

    General Safety Principles

    Observes basic principles for safe and effective operation.

    Operator Health and Fitness

    Operator must be physically and mentally alert for safety.

    Proper Work Attire

    Wear appropriate clothing and safety gear for all operations.

    Walk-Around Inspection Procedure

    Perform a walk-around inspection before operating the machine.

    Make a Work Plan

    Investigate the job site and make a work plan before operation.

    Underground Utility Safety

    Mark and be aware of underground utilities before digging.

    Clear Personnel from Work Area

    Ensure the job site is clear of unauthorized personnel.

    Mounting and Dismounting Procedures

    Carefully mount and dismount the machine using handholds.

    ROPS;TOPS Modification Prohibition

    Do not modify the ROPS/TOPS structure for safety.

    Pre-Start Engine Procedures

    Follow precautions before starting the engine.

    Engine Starting Procedure

    Start the engine using the correct procedure.

    Pre-Operation Machine Checks

    Follow precautions before operating the machine.

    Engine Warm-Up Procedure

    Conduct engine warm-up to ensure smooth hydraulic fluid operation.

    Machine Operation Guidelines

    Operate the machine safely and wisely.

    Overhead Wire Safety

    Be careful of overhead wires and electrical contact.

    Prohibited Riding on Attachment;Load

    Never allow anyone to ride on the attachment or load.

    Truck Loading Procedure

    Carefully load the truck by the rear.

    Hydraulic Cylinder Shock Prevention

    Never cause physical shock to hydraulic cylinders.

    Signal Person Communication

    Take signals exclusively from one designated signal person.

    Bucket Impact Prevention

    Prevent the bucket from hitting the ditch walls.

    Attachment Stroke Limit Precautions

    Do not move attachments to extreme stroke ends to prevent damage.

    Cylinder Overload Prevention

    Do not overload the cylinder beyond capacity.

    Fording Precautions

    Measure water depth and check riverbed before fording.

    Blade Position Maintenance

    Maintain the blade in the correct position for digging.

    TOPS for Operator Protection

    TOPS protect the operator from crushing in tip-over incidents.

    Secure Footing for Safe Operation

    Ensure secure footing for safe machine operation.

    Emergency Escape Procedures

    Procedures for emergency escape from the machine.

    Long Arm Operation Precautions

    Observe precautions when operating with the long arm.

    Operating Limits Awareness

    Remember and adhere to operating limits.

    Lift Coordination

    One person is responsible for coordinating all aspects of a lift.

    Lifting Load Limits

    Do not overload lifting operations beyond capacity.

    Undercarriage Lifting Procedures

    Lift the undercarriage correctly to avoid damage or turnover.

    Safe Travel Procedures

    Follow procedures for safe travel.

    Steering on Grades Prohibition

    Never steer on a grade to prevent turnover.

    Towing Procedures

    Follow towing procedures carefully.

    Loading and Unloading Procedures

    Load and unload the machine carefully.

    Machine Parking Procedures

    Procedures for parking the machine safely.

    Safe Maintenance Practices

    Follow practices for safe maintenance work.

    Engine Oil and Filter Service

    Procedures for changing engine oil and filter.

    Crushing and Cutting Prevention

    Prevent crushing or cutting hazards.

    Hydraulic Fluid Injection Hazard

    Pressurized hydraulic fluid can cause severe injury or death.

    Warning Signs and Labels

    Familiarize yourself with warning signs and labels on the machine.

    Danger Symbol - Operation Prohibition

    Danger symbol indicating operation prohibition during inspection.

    Operation

    Machine Component Nomenclature

    Identifies major machine components with numbers.

    Controls and Instruments Identification

    Identifies various controls and instruments on the machine.

    Electronic Monitor Panel Overview

    Explains the electronic monitor panel and warning lamps.

    Gauges and Meters Function

    Explains the function of gauges and the hour meter.

    Engine Start Switch Operation

    Details the operation of the engine start switch.

    Machine Control Operations

    Explains the operation of machine controls.

    Left Travel Lever Operation

    Operation of the left travel lever.

    Left Operating Lever Controls (Swing;Arm)

    Controls for swing and arm movements using the left lever.

    Operators Seat Adjustment

    Seat adjustment for comfort and proper control access.

    Seat Belt Usage and Checks

    Proper use and inspection of the seat belt.

    Pre-Start Engine Checks

    Daily checks before starting the engine.

    Engine Starting Procedure

    Procedures for starting the engine.

    Jumper Cable Starting Procedure

    Steps for starting the engine using jumper cables.

    Post-Start Engine Procedures

    Procedures to follow after starting the engine.

    Control System Patterns

    Describes the different control system patterns.

    Boom Swing Operation

    Operation of boom swing using pedal and levers.

    Special Attachments and Actuators Operation

    Operating special attachments and actuators.

    Machine Traveling Procedures

    Procedures for traveling the machine.

    Steering Control Methods

    Methods for controlling steering.

    High Speed Travel Precautions

    Precautions for high speed travel.

    Towing Procedures

    Procedures for towing the machine.

    Lifting the Machine Procedures

    Procedures for lifting the machine.

    Loading and Unloading Procedures

    Procedures for loading and unloading the machine.

    Boom Lowering (Engine Stopped)

    Procedure for lowering the boom with the engine stopped.

    Parking the Machine Safely

    Procedures for parking the machine safely.

    Emergency Engine Stop

    Procedure for emergency engine stop.

    Maintenance

    Maintenance Interval Schedule

    Schedule for various maintenance checks and items.

    Recommended Lubricant Table

    Table of recommended lubricants and their specifications.

    Track Check and Adjustment

    Procedures for checking and adjusting machine tracks.

    Battery Maintenance Procedures

    Procedures for maintaining the machine's battery.

    Engine Oil Level Check

    How to check the engine oil level.

    Water Sedimenter Maintenance

    Maintenance for the water sedimenter.

    50-Hour Maintenance and Checks

    Maintenance and checks required every 50 service hours.

    Engine Oil and Filter Service

    Procedures for changing engine oil and filter.

    Primary Element Service

    Cleaning and replacement of the primary air filter element.

    Fan and Alternator Belt Adjustment

    How to inspect and adjust the fan and alternator belt.

    500-Hour Maintenance and Checks

    Maintenance and checks required every 500 service hours.

    Return Filter Replacement

    Procedure for changing the return filter.

    1000-Hour Maintenance and Checks

    Maintenance and checks required every 1000 service hours.

    2-Year Maintenance and Checks

    Maintenance and checks required every 2 years.

    Unusual Operating Conditions

    Precautions and procedures for unusual operating conditions.

    Long Term Storage Procedures

    Procedures for storing the machine long term.

    Trouble Shooting

    Troubleshooting Common Problems and Actions

    Lists common symptoms, probable causes, and actions.

    Hydraulic System Diagram

    Electrical System Diagram

    Specifications

    Machine Specifications

    General specifications of the machine.

    Bucket Specifications

    Specifications for different bucket types and combinations.

    Overall Machine Dimensions

    Detailed overall dimensions of the machine.

    Working Range Diagrams

    Diagrams illustrating working ranges for canopy and cabin.

    Rated Object Handling Capacities

    Table showing rated object handling capacities.

    IHI 55N3 Specifications

    General IconGeneral
    BrandIHI
    Model55N3
    CategoryCompact Excavator
    LanguageEnglish

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