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Volvo G720B User Manual

Volvo G720B
238 pages
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Safety when servicing
Operating instructions
Controls
Contents
OPERATOR’S MANUAL
Presentation
Instrument panels
Operating techniques
Service and maintenance
Specifications
Alphabetical index
G700B
Foreword
This Operators Manual is intended as a guide for the correct
use and maintenance of the machine. Therefore, study it
carefully before starting and operating the machine, or be-
fore carrying out any preventive maintenance.
Keep the manual in the manual box in the cab so that it is al-
ways at hand. Replace it immediately if it is lost.
NOTE: The manual describes the applications for which
the machine is primarily intended, and is written to ap-
ply for all markets. We therefore ask you to disregard the
sections that are not applicable to your machine or to
the work for which you use your machine.
Many hours are spent on design and production to make a
machine that is as efficient and safe as possible. The acci-
dents that occur in spite of this are mostly caused by the hu-
man factor. A safety-conscious person and a well maintained
machine make a safe, efficient and profitable combination.
Therefore, read the safety instructions and follow them.
Every new Volvo Motor Grader is shipped with a CIMA Grad-
er Safety Manual published by the Construction Industry
Manufacturers’ Association. Read it carefully before operat-
ing or servicing your grader.
We continually strive to improve our products and to make
them more efficient through changes to their design. We re-
tain the right to make these changes without committing our-
selves to introducing these improvements on products that
have already been delivered.
We also retain the right to change data and equipment, as
well as instructions for service and maintenance, without pri-
or notice.
SAFETY REGULATIONS
It is the operators obligation to know and follow the applica-
ble national and local safety regulations. The safety instruc-
tions in this manual only apply to cases when there are no
national or local regulations.
WARNING!
The symbol above appears at various points in the
manual together with warning text. It means – Warning,
be alert! Your safety is involved. It is the obligation of
the operator to make sure that all warning decals are in
place on the machine and that they are readable.
Accidents may otherwise occur.
Know the capacity and limits of your machine!
This manual applies to Serial Number 35000 and up.
Ref. No.: 21 1 434 4006
Printed in Canada

Table of Contents

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Volvo G720B Specifications

General IconGeneral
BrandVolvo
ModelG720B
CategoryConstruction Equipment
LanguageEnglish

Summary

Foreword

Warning!

Symbol and text indicating potential hazards and operator responsibility for safety.

Instrument Panels

All Wheel Drive Control Panel

Overview of AWD panel, controls, and warning lamps.

Controls

Hydraulic Controls

Control lever for scarifier/ripper/windrow eliminator and articulation lever for turning.

Operating Instructions

Safety and Responsibility

Operator duties, precautions, and hand signals for safe operation.

Before Operating

General rules and pre-operation checks for safe machine use.

Before Operating

Procedures for starting the machine, including checks of gauges and controls.

Starting the Engine

Step-by-step procedures for starting the engine, including cold start and preheating.

Shifting Gears

All Wheel Drive system operation, applications, and deactivation conditions.

Steering

Basic steering operation, front wheel lean, and steering using articulation.

Braking

Service brakes operation, failure warnings, and stopping the machine.

Differential Lock

Operation of the differential lock/unlock switch for traction and turning.

Towing

General guidelines and safety precautions for towing the grader.

Transporting the Machine

Procedures for loading, unloading, and securing the grader for transport.

Moveable Blade Control System

Procedure for maneuvering the moldboard into a left-hand side high bank sloping position.

Scarifier

Operation, shank depth, tooth angle, and tooth replacement for the scarifier attachment.

Ripper

Operation, tooth angle, shank removal, and tooth changing for the ripper attachment.

Operating Techniques

Moldboard

Moldboard positioning, pitch, angle, toe, and heel for effective grading.

Scarifier and Ripper Operation

Operation of scarifier and ripper for breaking up hard surfaces.

Safety When Servicing

Service Position

Procedures for placing the grader in the service position before maintenance.

Service Position

Additional service position steps, awareness of personnel, and hydraulic system safety.

General

Safety procedures for welding and working with electronic components, and battery safety.

Fire Prevention Measures

Fire extinguisher use, cleanliness, and actions to take at the first sign of fire.

Hydraulic System

Safety precautions for working with high-pressure hydraulic systems and components.

Electrical System

Safety precautions for working with electrical systems and batteries, including explosive gases.

Fuel Handling

Safety precautions for refueling, preventing static electricity, and fire hazards.

Service and Maintenance

Hydraulic System

Checking hydraulic oil fluid level based on operating ranges and ambient temperatures.

Tires

Safety precautions for tire repair, replacement, and inflation, including safety cages.

Engine Oil Level

Daily checks of engine oil level and hot oil precautions.

Fuel System

Fuel tank maintenance, cleaning, and fuel filter replacement procedures.

Engine Air Cleaner

Checking air cleaner hoses and connections, and primary filter replacement.

Engine Cooling System

Coolant level checks, antifreeze concentration, and corrosion protection.

Electrical System

Step-by-step procedure for starting with jumper cables and charging batteries.

Transmission

Transmission oil pressure monitoring and checking transmission oil level.

All Wheel Drive

Inspection of AWD hoses and fittings, and changing AWD gearbox oil.

Maintenance Schedule

Schedule of required maintenance measures based on hour meter readings.

Specifications

Brake System

Service brake system description and parking brake specifications.

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