BBT BT-CS-40 Manuel utilisateur

OWNER’S MANUAL

Assembly & Operating Instructions

MODEL NO. BT-CS-40

BBT 40cc Chainsaw

WWW.BBTA.COM.AU

To The Owner

Thank You!

Thank you for purchasing our Chainsaw. It was carefully engineered to provide excellent performance when

properly operated and maintained.

Please read this entire manual prior to operating the chainsaw. It instructs you how to safely and easily set

up, operate and maintain your chainsaw. Please be sure that you, and any other persons who will operate the

chainsaw, carefully follow the recommended safety practices at all times. Failure to do so could result in personal

injury or property damage.

All information in this manual is relative to the most recent product information available at the time of printing.

Review this manual frequently to familiarize yourself with the machine, its features and operation. Please be

aware that this Owner’s Manual may cover a range of product specifications for various models. Characteristics

and features discussed and/or illustrated in this manual may not be applicable to all models. We reserve the right

to change product specifications, designs and equipment without notice and without incurring obligation.

All the power testing information used to establish the power rating of the engine equipped on these chainsaws

can be found at the engine manufacturer’s manual or website. If you have any problems or questions concerning

the machine, contact our Customer Support Department.

Throughout this manual, all references to right and left side of the chainsaw are observed from the operating

position. The engine manufacturer is responsible for all engine-related issues with regards to performance,

power-rating, specifications, warranty and service. Please refer to the engine manufacturer’s Owner’s Manual

packed separately with your chainsaw for more information.

Customer Support

Please do NOT return the chainsaw without first contacting the Customer Support Department at

bbt@bbta.com.au.

If you have difficulty assembling this product or have any questions regarding the controls, operation, or

maintenance of this chainsaw, please contact our Customer Support Department.

SAVE THESE INSTRUCTIONS

BT-CS-40

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TABLE OF CONTENTS

Page(s) Page(s)

To The Owner......................................................................2

Customer Support...............................................................2

TABLE OF CONTENTS ..........................................3

IMPORTANT SAFETY INFORMATION .............. 4-5

Key to symbols ....................................................................5

WHAT IS WHAT?..................................................6

GENERAL SAFETY PRECAUTIONS................. 7-14

Before using a new chainsaw.............................................7

Always use common sense .................................................7

Personal protective equipment..........................................8

Chainsaw’s safety equipment.............................................8

Chain brake and front hand guard....................................8

Throttle lock........................................................................9

Chain catcher ....................................................................10

Right hand guard..............................................................10

Vibration damping system ...............................................10

Stop switch ........................................................................10

Mufﬂer ..............................................................................10

Cutting equipment ...........................................................10

General rules .....................................................................10

Cutting equipment designed to reduce kickback...........11

Sharpening your chain and

adjusting depth gauge setting.........................................12

Lubricating cutting equipment........................................13

Chain oil ............................................................................13

Filling with chain oil .........................................................13

Checking chain lubrication...............................................13

Chain drive sprocket .........................................................14

Needle bearing lubrication ..............................................14

Checking wear on cutting equipment.............................14

ASSEMBLY..........................................................15

Fitting the bar and chain..................................................15

FUEL HANDLING.......................................... 16-17

Fuel ....................................................................................16

Two-stroke oil....................................................................16

Mixing................................................................................16

Chain oil ............................................................................16

Fuelling..............................................................................17

Fuel safety .........................................................................17

Transport and storage ......................................................17

Long-term storage ............................................................17

STARTING AND STOPPING .......................... 18-19

Starting engine .................................................................18

Stopping ............................................................................19

Carburettor anti-freeze mechanism ................................19

How to switch between operating modes......................19

WORKING TECHNIQUES.............................. 20-26

Before use .........................................................................20

General working instructions...........................................20

Basic safety rules ...............................................................20

General rules .....................................................................21

Basic cutting techniques...................................................22

Limbing..............................................................................22

Cutting...............................................................................22

Tree felling technique.......................................................23

Felling ................................................................................24

Freeing a tree that has fallen badly ................................25

Cutting trees and branches that are in tension ..............25

How to avoid kickback .....................................................26

Limbing..............................................................................26

Cutting the trunk into logs ..............................................26

MAINTENANCE............................................ 27-32

General ..............................................................................27

Function.............................................................................27

Basic settings and running in ...........................................27

Fine adjustment ................................................................27

Conditions .........................................................................27

Low speed jet L .................................................................27

Fine adjustment of the idling speed T.............................27

High speed jet H ...............................................................27

Correctly adjusted carburettor.........................................28

Checking, maintaining and

servicing chainsaw safety equipment..............................28

Chain brake and front hand guard..................................28

Checking the inertia brake release..................................28

Checking the brake trigger ..............................................28

Throttle lock......................................................................28

Chain catcher ....................................................................29

Right hand guard..............................................................29

Vibration damping system ...............................................29

Stop switch ........................................................................29

Mufﬂer ..............................................................................29

Starter................................................................................29

Changing a broken or worn starter cord ........................29

Tensioning the recoil spring .............................................30

Changing a broken recoil spring......................................30

Fitting the starter..............................................................30

Air ﬁlter .............................................................................30

Spark plug .........................................................................30

Lubricating the bar tip sprocket ......................................31

Needle bearing lubrication ..............................................31

Adjustment of the oil pump.............................................31

Cooling system ..................................................................31

“Air Injection” centrifugal cleaning ................................31

Maintenance schedule......................................................32

TROUBLESHOOTING..........................................34

SPECIFICATIONS.................................................35

WARRANTY & SERVICE .....................................36

Warranties.........................................................................36

Spare Parts.........................................................................36

EXPLODED DIAGRAM & PARTS LIST........... 37-39

BT-CS-40

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IMPORTANT SAFETY INFORMATION

WARNING: Read and thoroughly understand all instructions in this manual and on the safety decals

before assembling or operating this chainsaw. Failure to do so may cause serious injury or death.

Do not allow anyone to operate this chainsaw who has not read this manual. As with all power

equipment, a chainsaw can be dangerous if assembled or used improperly. Do not operate this

chainsaw if you have any questions concerning its safe operation. To get answers to any questions,

call our Customer Support Department.

This SAFETY ALERT SYMBOL identifies important safety messages in this manual. Failure to follow

this important safety information may result in serious injury or death.

DANGER! This chainsaw was built to be operated according to the safe operation practices in this

manual. As with any type of power equipment, carelessness or error on the part of the operator can

result in serious injury. This chainsaw is capable of amputating hands and feet and throwing debris.

Failure to observe the following safety instructions could result in serious injury or death.

The following signals words and meanings are intended to explain the levels of risk associated with this product.

DANGER indicates a hazardous situation which, if not followed, will result in serious injury

or death.

WARNING indicates a hazardous situation which, if not avoided, could result in serious injury

or death.

CAUTION indicates a hazardous situation which, if not avoided, could result in minor or

moderate injury.

NOTICE is important information about the proper use of your chainsaw. Failure to follow

this instruction could result in damage to your chainsaw or property.

BT-CS-40

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IMPORTANT SAFETY INFORMATION

Key to symbols

Symbol Description

READ THE OWNER’S MANUAL(S)

Read, understand and follow all instructions in the manual(s) before attempting to assemble

and operate.

FACE PROTECTION

Always wear safety goggles or safety glasses with side shields, or a face shield when operating

this product as well as ear protection.

WEAR GLOVES

Always wear nonslip, heavy-duty protective gloves when operating this product.

WEAR SAFETY FOOTWEAR

Always wear nonslip steel-toed safety footwear when operating this product.

TWO HANDS OPERATION

Both of the operator’s hands must be used to operate the chainsaw. Never operate a chainsaw

holding it with one hand only.

WARNING—KICKBACK

Tip contact may cause the guide bar to move suddenly upward and backward (kickback), which

may cause serious injury.

STOP—SWITCH OFF BEFORE CARRYING

Switch off the engine by moving the stop switch to the STOP position before carrying out any

checks or maintenance.

CHAIN BRAKE

The chain brake must be engaged when the chainsaw is started.

REFILL THE 2 STROKE MIXTURE

Petrol and oil mixture.

REFILL THE CHAIN OIL

CHOKE

Pulling out the choke knob, the choke closes.

Pushing in the choke knob, the choke opens.

CHAIN OILER ADJUSTMENT

“

” direction the oil flow decreases

“+’’ direction the oil flow increases

CARBURETTOR ADJUSTMENT

H: High speed mixture

L: Low speed mixture

T: Idle speed

CHAIN OIL

MAX

+MIN

BT-CS-40

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WHAT IS WHAT?

1. Owner’s manual

2. Starter handle

3. Adjuster screws, carburettor

4. Stop switch (Ignition on/off switch.)

5. Rear handle

6. Choke control/Start throttle lock

7. Fuel tank

8. Starter

9. Throttle lock

10. Cylinder cover

11. Front handle

12. Front hand guard

13. Muffler

14. Chain

15. Bar

16. Bumper spike

17. Chain catcher

18. Chain tensioning screw

19. Oil pump adjustment screw

20. Clutch cover

21. Throttle control

22. Combination spanner

23. Bar guard

24. Primer bulb (if applicable)

BT-CS-40

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Before using a new chainsaw

• Please read this manual carefully.

• Check that the cutting equipment is correctly fitted and

adjusted. See instructions under Assembly.

• Refuel and start the chainsaw. See instructions under

Fuel Handling and Starting and Stopping.

• Do not use the chainsaw until sufficient chain oil has

reached the chain. See instructions under Lubricating

cutting equipment.

• Long-term exposure to noise can result in permanent

hearing impairment. So always use approved hearing

protection.

WARNING! Under no circumstances may

the design of the chainsaw be modified

without the express permission of the

manufacturer. Always use genuine

accessories. Non-authorised modifications

and/or accessories can result in serious personal injury

or the death of the operator or others. Your warranty

may not cover damage or liability caused by the use of

non-authorised accessories or replacement parts.

IMPORTANT!

The chainsaw is only designed for cutting wood.

You should only use the chainsaw with the bar and chain

combinations we recommend in the Specifications.

Never use the chainsaw if you are fatigued, while

under the influence of alcohol or drugs, medication

or anything that could affect your vision, alertness,

coordination or judgement.

Wear personal protective equipment. See instructions

under Personal protective equipment.

Do not modify this product or use it if it appears to

have been modified by others.

Never use a chainsaw that is faulty. Carry out all checks,

maintenance and service instructions described in this

manual. Some maintenance and service measures must

be carried out by trained and qualified specialists. See

instructions under Maintenance.

Never use any accessories other than those

recommended in this manual. See instructions under

Cutting equipment and Specifications.

CAUTION! Always wear protective glasses or a face

visor to reduce the risk of injury from thrown objects.

A chainsaw is capable of throwing objects, such as

wood chips, small pieces of wood, etc., at great force.

This can result in serious injury, especially to the eyes.

GENERAL SAFETY PRECAUTIONS

WARNING! A chainsaw is a dangerous tool

if used carelessly or incorrectly and can

cause serious, even fatal injuries. It is very

important that you read and understand

the contents of this owner’s manual.

WARNING! The inside of the muffler

contains chemicals thatmaybe carcinogenic.

Avoid contact with these elements in the

event of a damaged muffler.

WARNING! Running an engine in a

confined or badly ventilated area can result

in death due to asphyxiation or carbon

monoxide poisoning.

WARNING! Long-term inhalation of the

engine’s exhaust fumes, chain oil mist and

dust from sawdust can represent a health

risk.

WARNING! Faulty cutting equipment or

the wrong combination of bar and saw

chain increases the risk of kickback! Only

use the bar/saw chain combinations we

recommend, and follow the filing instructions. See

instructions under Specifications

Always use common sense

It is not possible to cover every conceivable situation you can face when using a chainsaw.

Always exercise care and use your common sense. Avoid all situations which you consider

to be beyond your capability. If you still feel uncertain about operating procedures after

reading these instructions, you should consult an expert before continuing. Do not hesitate

to contact us if you have any questions about the use of the chainsaw. We will willingly

be of service and provide you with advice as well as help you to use your chainsaw both

efficiently and safely.

BT-CS-40

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Personal protective equipment

• Approved protective helmet

• Hearing protection

• Protective goggles or a visor

• Gloves with chainsaw protection

• Trousers with chainsaw protection

• Boots with chainsaw protection, steel toe-cap and non-slip sole

• Always have a first aid kit nearby

• Fire extinguisher and shovel

• Clothes should be close-fitting without restricting your freedom of movement.

GENERAL SAFETY PRECAUTIONS

WARNING! Most chainsaw accidents happen when the chain touches the operator. You must use approved

personal protective equipment whenever you use the chainsaw. Personal protective equipment cannot

eliminate the risk of injury but it will reduce the degree of injury if an accident does happen.

IMPORTANT! Sparks can come from the muffler, the bar and chain or other sources. Always have fire extinguishing

tools available if you should need them. Help prevent forest fires.

Chainsaw’s safety equipment

In this section, the chainsaw’s safety features and their

function are explained. For inspection and maintenance

see instructions under Checking, maintaining and servicing

chainsaw safety equipment. See instructions under What

is what?, to find where these parts are located on your

chainsaw.

The life span of the chainsaw can be reduced, and the risk of

accidents can increase if chainsaw maintenance is not carried

out correctly and if service and/or repairs are not carried

out professionally. If you need further information, please

contact our Customer Support Department.

Chain brake and front hand guard

Your chainsaw is equipped with a chain brake that is

designed to stop the chain if you get a kickback. The chain

brake reduces the risk of accidents, but only you can prevent

them.

Take care when using your chainsaw and make sure the

kickback zone of the bar never touches any object.

• The chain brake (A) can either be activated manually (by

your left hand) or automatically by the inertia release

mechanism.

• The brake is applied when the front hand guard (B) is

pushed forwards.

• This movement activates a spring-loaded mechanism

that tightens the brake band (C) around the engine

drive system (D) (clutch drum).

• The front hand guard is not designed solely to activate

the chain brake. Another important feature is that it

reduces the risk of the chain hitting your left hand if

you lose grip of the front handle.

• The chain brake must be engaged when the chainsaw is

started to prevent the saw chain from rotating.

WARNING! Never use a chainsaw with

defective safety components. Safety

equipment must be inspected and

maintained. See instructions under

Checking, maintaining and servicing chainsaw

safety equipment. If your chainsaw does not pass

all the checks, please contact our Customer Support

Department.

BT-CS-40

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• Use the chain brake as a “parking brake” when starting

and when moving over short distances, to reduce the

risk of the moving chain accidentally hitting your leg, or

anyone or anything close by.

• To release the chain brake pull the front hand guard

backwards, towards the front handle.

• Kickback can be very sudden and violent. Most kickbacks

are minor and do not always activate the chain brake. If

this happens you should hold the chainsaw firmly and

not let go.

• The way the chain brake is activated, either manually

or automatically by the inertia release mechanism,

depends on the force of the kickback and the position of

the chainsaw in relation to the object that the kickback

zone of the bar strikes.

• If you get a violent kickback while the kickback zone

of the bar is farthest away from you, the chain brake is

designed to be activated by the inertia in the kickback

direction.

• If the kickback is less violent, or the kickback zone of the

bar is closer to you, the chain brake is designed to be

activated manually by the movement of your left hand.

• In the felling position, the left hand is in a position that

makes manual activation of the chain brake impossible.

With this type of grip, that is when the left hand is

placed so that it cannot affect the movement of the

front hand guard, the chain brake can only be activated

by the inertia action.

Will my hand always activate the chain brake

during a kickback?

No. It takes a certain force to move the hand guard forward.

If your hand only lightly touches the front guard or slips over

it, the force may not be enough to trigger the chain brake.

You should also maintain a firm grip on the chainsaw handles

while working. If you do and experience a kickback, your

hand may never leave the front handle and will not activate

the chain brake, or the chain brake will only activate after

the chainsaw has swung around a considerable distance. In

such instances, the chain brake might not have enough time

to stop the saw chain before it touches you.

There are also certain positions in which your hand cannot

reach the front hand guard to activate the chain brake; for

example, when the saw chain is held in the felling position.

Will my inertia activated chain brake always

activate during kickback in the event of a kickback?

No. First, your brake must be in working order. Testing the

brake is simple. We recommend you do before you begin

each work session. Second, the kickback must be strong

enough to activate the chain brake. If the chain brake is too

sensitive it would activate all the time which would be a

nuisance.

Will my chain brake always protect me from injury

in the event of a kickback?

No. First, the chain brake must be in working order to provide

the intended protection. Second, it must be activated during

the kickback as described above to stop the saw chain. Third,

the chain brake may be activated, but if the bar is too close

to you, the brake might not have enough time to slow down

and stop the chain before the chainsaw hits you.

Only you and proper working technique can eliminate

kickback and its danger.

Throttle lock

The throttle lock is designed to prevent accidental operation

of the throttle control. When you press the lock (A) (i.e. when

you grasp the handle) it releases the throttle control (B).

When you release the handle, the throttle control and the

throttle lock both move back to their original positions. This

arrangement means that the throttle control is automatically

locked at the idle setting.

GENERAL SAFETY PRECAUTIONS

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Chain catcher

The chain catcher is designed to catch the chain if it snaps

or jumps off. This should not happen if the chain is properly

tensioned (see instructions under Assembly) and if the

bar and chain are properly serviced and maintained (see

instructions under General working instructions).

Right hand guard

Apart from protecting your hand if the chain jumps or

snaps, the right-hand guard stops branches and twigs from

interfering with your grip on the rear handle.

Vibration damping system

Your chainsaw is equipped with a vibration damping system

that is designed to reduce vibration and make operation

easier.

The chainsaw’s vibration damping system reduces the

transfer of vibration between the engine unit/cutting

equipment and the chainsaw’s handle unit.

The body of the chainsaw, including the cutting equipment,

is insulated from the handles by vibration damping units.

Cutting hardwoods (most broadleaf trees) creates more

vibration than cutting softwoods (most conifers). Cutting

with cutting equipment that is blunt or faulty (wrong type

or badly sharpened) will increase the vibration level.

Stop switch

Use the stop switch to switch off the engine.

Muffler

The muffler is designed to keep noise levels to a minimum

and to direct exhaust fumes away from the user.

In areas with a hot, dry climate there is a high risk of fires.

These areas are sometimes subject to government rules

requiring among other things the muffler must be equipped

with an approved type of spark arrestor mesh.

Cutting equipment

This section describes how to choose and maintain your

cutting equipment in order to:

• Reduce the risk of kickback.

• Reduce the risk of the saw chain breaking or jumping

off the bar.

• Obtain optimal cutting performance.

• Extend the life of cutting equipment.

• Avoid increasing vibration levels.

General rules

• Only use cutting equipment recommended by us! See

instructions under Specifications.

GENERAL SAFETY PRECAUTIONS

WARNING! Overexposure to vibration can

lead to circulatory damage or nerve damage

in people who have impaired circulation.

Contact your doctor if you experience

symptoms of overexposure to vibration. Such

symptoms include numbness, loss of feeling, tingling,

pricking, pain, loss of strength, changes in skin colour

or condition. These symptoms normally appear in

the fingers, hands or wrists. These symptoms may be

increased in cold temperatures.

WARNING! The exhaust fumes from the

engine are hot and may contain sparks,

which can start a fire. Never start the

chainsaw indoors or near combustible

material!

WARNING! Never use a chainsaw without

a muffler, or with a damaged muffler.

A damaged muffler may substantially

increase the noise level and the fire hazard.

Keep fire fighting equipment handy.

CAUTION! The muffler gets very hot during and after

use. This also applies during idling. Be aware of the

fire hazard, especially when working near flammable

substances and/ or vapours.

BT-CS-40

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