Baumr Consaw75bbmracab Manuale utente

Concrete Cut-Off Saw

User Manual

RETAIN THIS MANUAL FOR FUTURE REFERENCE

PLEASE READ THIS MANUAL CAREFULLY BEFORE USE

Concrete Cut-Off Saw

Table of Contents

PREFACE.................................................................................................................................................1

SAFETY PRECAUTIONS...................................................................................................................... 2

EQUIPMENT.......................................................................................................................................... 3

Anti-Vibration System................................................................................................................3

Inspection ............................................................................................................................3

Stop Switch................................................................................................................................4

Muffler........................................................................................................................................4

Blade Guard for the Cutting Blade.............................................................................................4

Transport and Storage.........................................................................................................5

Fuel Safety.................................................................................................................................5

STARTING AND STOPPING THE SAW ............................................................................................. 6

Starting a Cold Engine...............................................................................................................6

Starting a Warm Engine.............................................................................................................6

Starting the Saw.........................................................................................................................7

Stopping the Saw.......................................................................................................................7

WORKING INSTRUCTIONS.................................................................................................................. 8

Cutting Technique......................................................................................................................8

Diamond Blades.........................................................................................................................8

Blade Vibration...........................................................................................................................9

Kickbacks and How to Avoid Them...........................................................................................9

How to avoid kickbacks.......................................................................................................9

Pinching/Pull-In..........................................................................................................................9

How to avoid pinching.........................................................................................................9

Abrasive Discs.........................................................................................................................10

CUTTING BLADES ............................................................................................................................... 11

Abrasive Discs.........................................................................................................................11

Checklist............................................................................................................................11

Diamond Blades.......................................................................................................................12

BLADE SET-UP ...................................................................................................................................13

Check the Drive Shaft and Flanges.........................................................................................13

Fitting the Blade.......................................................................................................................13

FUEL HANDLING .................................................................................................................................14

Petrol........................................................................................................................................14

Two-Stroke Oil.........................................................................................................................14

Mixing.......................................................................................................................................14

Concrete Cut-Off Saw

Refuelling.................................................................................................................................14

MAINTENANCE.................................................................................................................................... 16

Adjusting the Drive Belt ...........................................................................................................16

Changing the Drive Belt...........................................................................................................17

Belt Pulley and Clutch..............................................................................................................17

Carburettor Adjustment............................................................................................................17

Final Setting of the Idling Speed..............................................................................................17

Fuel Filter.................................................................................................................................17

Air Filter....................................................................................................................................18

Starter ......................................................................................................................................19

Tensioning the Recoil Spring ............................................................................................19

Replacing the Starter Cord................................................................................................19

Fitting the Starter...............................................................................................................19

Spark Plug ...............................................................................................................................20

Mufflers....................................................................................................................................20

Cooling System........................................................................................................................21

MAINTENANCE ROUTINES...............................................................................................................22

Daily Maintenance...................................................................................................................22

Weekly Maintenance ...............................................................................................................22

Monthly Maintenance...............................................................................................................22

SOUND LEVELS .................................................................................................................................24

PARTS LIST .......................................................................................................................................25

TECHNICAL SPECIFICATIONS .........................................................................................................26

Concrete Cut-Off Saw

Preface

Thanks for buying the Cut-Off Saw, another high-quality machine from our company.

To get the most out of your purchase, please read the manual before using the Cut-Off Saw.

We ask you to please read this manual carefully beforehand in order to familiarise yourself with

this product and after reading, please store this instructional manual for future reference. Failure

to follow the proper protocols listed in the manual may cause personal injury to the operator or

damage to equipment.

Concrete Cut-Off Saw

Safety Precautions

Under no circumstances should you modify the original design of the cut-off saw without the

approval from the manufacturer. Unauthorised modifications and spare parts from other

companies may lead to serious injury.

Cutting material can generate dust and vapours which may contain harmful chemicals. Know

the nature of the material being cut before using the cut-off saw. During work, please wear an

appropriate dust mask or respirator protection.

The engine exhaust from the cut-off saw contains chemicals which may cause cancer, birth

defects or other reproductive harm.

A cut-off saw is a very dangerous tool. If it is used carelessly or incorrectly, it can cause

serious and even fatal injuries.

Never use a cut-off saw with defective safety components.

All service and repair work on the cut-off saw demands special training.

This is especially true for all of the safety equipment involved. If your

cut-off saw fails any of the checks described below, you should

immediately take it to be serviced before using it again.

You must wear protective equipment whenever you use a cut-off saw. Personal protective

equipment does not eliminate the risk of accidents, however, it can reduce the effects of an

injury in the event of an accident.

Protective helmet, ear protection, protective glasses, full face protection (Fig. 1).

Breathing Mask (Fig. 2).

Heavy duty, firm grip protective gloves (Fig. 3).

Snug-fitting, heavy duty, comfortable clothing and leg protection that allows full freedom

of movement (Fig. 4).

Anti-slip boots with steel toe caps. (Fig. 5).

First aid kit (Fig. 6).

Concrete Cut-Off Saw

Equipment

This section explains the various safety features of the cut-off saw, how they work, and the basic

inspection and maintenance that you should carry out to ensure safe operation.

Anti-Vibration System

Over exposure to vibrations can result in blood vessel

or nerve injury to persons suffering with blood

circulation problems. Seek medical attention if you

experience physical symptoms that can be related to

over exposure to vibrations. Examples of such

symptoms are numbness, lack of feeling, tickling, lack

of or a reduction in normal strength, changes in the

colour of the skin or its surfaces. These symptoms

normally appear in the fingers, hands or wrists.

Your cut-off saw is equipped with a vibration damping

system; this is designed to give low vibration levels

and comfortable usage.

The vibration damping system reduces the vibrations

transmitted from the engine and blade to the handles

of the cut-off saw. The engine’s body including the

cutting equipment is suspended in a handle system via

anti-vibration elements.

Inspection

Check the anti-vibration elements regularly for material cracks and deformation.

Check that the anti-vibration elements are securely mounted between the engine unit and the

handle system.

Concrete Cut-Off Saw

Stop Switch

The stop switch should be used to stop the engine. Start the engine and make sure that the

engine stops when the stop switch is on.

Muffler

The muffler gets very hot during use and remains so for a short time afterwards. Do not touch the

hot muffler.

The muffler is designed to give the lowest possible noise level and to direct the engine’s exhaust

fumes away from the user. The engine’s exhaust fumes are hot and can contain sparks, which

can lead to the outbreak of fire.

Never use a cut-off saw that has a faulty muffler so check mufflers regularly.

Blade Guard for the Cutting Blade

Always check that the blade guard is correctly fitted before starting the machine.

This guard is fitted above the cutting blade and is designed to prevent parts of the blade or

cutting fragments from being thrown towards the user.

Check that the cutting blade is fitted correctly and does not show signs of damage. A damaged

cutting blade can cause personal injury.

Concrete Cut-Off Saw

Transport and Storage

Store the cut-off saw in a lockable area so that it is out of reach of children and unauthorised

persons.

Do not store or transport the cut-off saw with the cutting blade still fitted in.

Fuel Safety

Exercise great care when handling fuel. Bear in mind the risk of fire, explosions and inhaling

fumes.

Never fill the cut-off saw while the engine is running (Gasoline and 2-stroke oil).

Never start the cut-off saw if:

If you have spilt the fuel on it. Wipe up all the spillage.

If you have spilt fuel on yourself or your clothes, change your clothes.

If there is a fuel leak. Make regular check for leakage from the fuel cap and the fuel supply

pipes.

Always store the cut-off saw and fuel so that any leakage or vapours is not in risk coming into

contact with sparks or flames. For example, electrical machines, electric motors, relays, switches

or boilers.

When storing fuel, only approved containers must be used. The fuel tank should be emptied

when storing the cut-off saw for long periods.

Move the cut-off saw at least 3 metres from the refuelling site before starting.

Concrete Cut-Off Saw

Starting and Stopping the Saw

Before starting observe the following:

Do not start the cut-off saw without the cutting arm, belt or cutting head fitted. Otherwise, the

clutch can come loose and cause personal injuries.

Always move the cut-off saw from the fuelling area before starting.

Ensure that you stand firmly and that the cutting blade rotates freely.

Starting a Cold Engine

1. Set the stop switch (B) to the run position.

2. Pull the choke lever out (A) Press the choke lever in after it begins to run. In summer and in

high temperatures, press the choke lever in when you hear a combustion sound (engine

attempts to run) and then restart the saw.

Starting a Warm Engine

Use the same procedures as ‘starting a cold engine’ but without the choke.

Concrete Cut-Off Saw

Starting the Saw

1. Put the cut-off saw on the ground.

2. Take hold the front handle by your left hand. Put your right foot on the lower part of the rear

handle.

3. Grip the starter with your right hand, and slowly pull the starter cord out until you feel some

resistance from the grip.

4. Then pull quickly.

Do not pull the starter cord completely and do not release the starter from a fully extended

position as this will damage the cut-off saw.

Utilise the choke function until the engine starts up.

Stopping the Saw

The engine can be stopped by switching off the ignition/stop switch.

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