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HD45V4
HD55V4
HD60V4
MODEL: 45V4
55V4
60V4
WG010001~
WY010001~
WZ010001~
0988463EN-01

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Table of Contents
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Summarization of Contents

Foreword
Introduction
Describes the purpose and content of the operation manual.
Machine Number
Explains the location of machine and engine serial numbers.
Machine Direction
Defines front, rear, left, and right based on operator seat orientation.
Safety
Safety Information
Explains safety alert symbols, signal words, and hazard levels.
Safety Precautions
General safety guidelines to be observed before operation.
Precautions Before Operation
Detailed safety measures to take before starting work.
Precautions During Operation
Safe practices to follow while operating the machine.
Precautions for Traveling
Safety measures to follow when moving the machine.
Precautions for Transporting
Guidelines for safely transporting the machine.
Precautions for Maintenance
Safety measures to observe before performing maintenance.
Safety Signs and Labels
Identifies locations of safety decals on the machine.
Operation
Names of Components
Lists and identifies the main components of the machine.
Controls and Instruments
Introduces the machine's control layout and instruments.
Right Control Box
Details the functions of the right-side control panel.
OK Monitor
Explains the dashboard indicators, gauges, and warning lights.
Right Operation Lever
Describes how to use the right-side lever for boom and bucket control.
Left Operation Lever
Describes how to use the left-side lever for arm and swing control.
Travel Levers
Explains how to operate the levers for machine movement.
Seat Belt
Details the proper use and importance of the seat belt.
Operator’s Cabin
Information on cabin features like door and windows.
Starting Engine
Check Before Starting Engine
Pre-start checks to ensure safe engine ignition.
Normal Starting
Standard procedure for starting the engine.
Starting in Cold Seasons
Procedure for starting the engine in cold weather conditions.
Starting Engine with Booster Cables
Procedure for jump-starting the engine using booster cables.
Warming Up Engine
Procedures for warming up the engine after starting.
Lever Operations
Operation Mode
Explains available operation patterns and lever controls.
AF Multi-selection Method (for Machine with AF Multi-selector Valve)
How to select between AF operation patterns A and F.
ABG Multi-selection Method (for Machine with ABG Selector Valve)
How to select between ABG operation patterns A, B, and G.
ABCD Multi-selection Method (for Machine with ABCD Selector Valve)
How to select between ABCD operation patterns A, B, C, and D.
Traveling
Starting, Traveling and Stopping
Basic procedures for starting, moving, and stopping the machine.
Changing Direction
Methods for changing the machine's direction.
Precautions While Traveling on Slope
Safety measures for operating on slopes.
Work Instructions
Digging
Instructions on how to perform digging operations efficiently.
Ditching
Instructions on how to perform ditching operations.
Loading
Instructions on how to load soil onto a dump truck.
Gutter Digging
Instructions for digging gutters in narrow spaces.
Aux When Using Special Attachment
No. 1 AUX
Details on switches and applicable works for No. 1 AUX.
When Using Breaker
Procedure for using No. 1 AUX with a breaker attachment.
When Using Iron Fork
Procedure for using No. 1 AUX with an iron fork attachment.
Transport
Loading and Unloading the Machine
Procedures for safely loading and unloading the machine.
Fixation at Transport
Methods to secure the machine for safe transportation.
Maintenance
Periodic Replacement of the Important Parts
Schedule for replacing critical parts related to safety and fire.
Recommended Lubrication Table
Table of recommended oils, greases, and their grades.
Lubricate the Grease
Instructions on where and how to apply grease to specific points.
Swing Bearing
Procedure for greasing the swing bearing.
Ring Gear
Procedure for greasing the ring gear.
Maintenance of Bucket
Replace the Tooth
Step-by-step guide to replacing bucket teeth.
Change the Bucket
Instructions for removing and installing buckets.
Adjust the Bucket Clearance
Procedure to adjust bucket clearance to prevent backlash.
Crawler Track
Rubber Track Maintenance
Guidelines for inspecting and maintaining rubber tracks.
Inspection of Crawler Track
How to inspect and check the tension of crawler tracks.
Adjustment of Crawler Track
Procedure to adjust the tension of crawler tracks.
Travel Reduction Gear
Change Oil
Procedure for changing the oil in the travel reduction gear.
Hydraulic System
Hydraulic Oil Level and Refilling
How to check and refill the hydraulic oil level.
Replace Return Filter Cartridge
Step-by-step guide to replacing the hydraulic return filter.
Change the Hydraulic Oil and Clean the Strainer
Procedures for changing hydraulic oil and cleaning the strainer.
Air Breather Element Replacement
How to replace the air breather element in the hydraulic system.
Engine Oil
Check the Engine Oil Level and Refill
How to check and refill the engine oil level.
Replace the Engine Oil and Engine Oil Filter
Procedures for replacing engine oil and the oil filter.
Fuel System
Check Fuel Quantity and Refilling
How to check fuel level and refill the tank.
Check and Clean Water Separator and Replace Element
Maintenance of the water separator and its element.
Replace Fuel Filter
Step-by-step guide to replacing the fuel filter.
How To Discharge Air
Procedure for bleeding air from the fuel system.
Cooling System
Check the Coolant Level and Refill
How to check and refill the coolant level.
Coolant Replacement Instructions
Step-by-step instructions for replacing the coolant.
Check the Fan Belt
How to check and adjust the fan belt tension.
Inspect and Clean Radiator Fins and Oil Cooler Fins
Procedures for inspecting and cleaning radiator and oil cooler fins.
Intake Air System
Inspect Dust Indicator
How to check the dust indicator on the air cleaner.
Inspect and Clean Air Cleaner Element
How to inspect and clean the air cleaner element.
Replace Air Cleaner Element
Procedure for replacing the air cleaner element.
Engine
Adjust Intake Valve and Exhaust Valve Clearance
How to adjust the intake and exhaust valve clearances.
Electric System
Replace the Fuses
Instructions for replacing blown fuses.
Replace the Fusible Link
Procedure for replacing a blown fusible link.
Check the Battery
How to check the battery's electrolyte level and terminals.
Special Tightening Positions
Torque specifications for critical bolts in specific locations.
Specifications
Speed and Gradeability
Performance specifications for swing and travel speed.
Engine
Technical specifications of the engine model.
Mass
Machine mass details for different configurations.
Dimensions
Detailed measurements of the machine's various parts.
Working Range
Charts illustrating the machine's operating reach and depth.
Working Range for Offset Digging
Operating range specifications for offset digging.
Rated Object Handling Capacities Table
Table listing load capacities based on outreach and boom length.

Table of Contents