Makita DUC254 Manuale utente

DUC204

DUC254

DUC254C

EN Cordless Chain Saw INSTRUCTION MANUAL 7

FR Tronçonneuse sans Fil MANUEL D’INSTRUCTIONS 19

DE Akku-Kettensäge BETRIEBSANLEITUNG 33

IT Motosega a batteria ISTRUZIONI PER L’USO 47

NL Accukettingzaag GEBRUIKSAANWIJZING 62

ES Electrosierra Inalámbrica MANUAL DE

INSTRUCCIONES 76

PT Motosserra a Bateria MANUAL DE INSTRUÇÕES 90

DA Akku-kædesav BRUGSANVISNING 103

EL   116

TR  KULLANMA KILAVUZU 131

2

Fig.1

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7ENGLISH

ENGLISH (Original instructions)

SPECIFICATIONS

Model: DUC204 DUC254 DUC254C

Overall length (without guide bar) 256 mm

Rated voltage D.C. 18 V

Net weight *1 2.0 kg

*2 2.8 - 3.3 kg

Standard guide bar length 200 mm 250 mm

Recommended guide bar

length

with 90PX 200 - 250 mm -

with 91PX -250 mm -

with 25AP -250 mm

Applicable saw chain type

(refer to the table below)

90PX 90PX

91PX

25AP

Standard sprocket Number of teeth 6 9

Pitch  

Chain speed 0 - 24 m/s

(0 - 1,440 m/min)

0 - 22.5 m/s

(0 - 1,350 m/min)

Chain oil tank volume 140 cm3

 

without notice.

 

*1: Weight, without the saw chain, guide bar, guide bar cover, oil and battery cartridge(s).



depending on the attachment(s), including the battery cartridge(s).

Applicable battery cartridge and charger

Battery cartridge BL1815N / BL1820B / BL1830B / BL1840B / BL1850B / BL1860B

Charger DC18RC / DC18RD / DC18RE / DC18SD / DC18SE / DC18SF /

DC18SH

• Some of the battery cartridges and chargers listed above may not be available depending on your region of

residence.

WARNING: Only use the battery cartridges and chargers listed above. Use of any other battery cartridges



Saw chain, guide bar, and sprocket combination

Saw chain type 90PX

Number of drive links 33 40

Guide bar Guide bar length 200 mm 250 mm

Cutting length 171 mm 235 mm

Pitch 

Gauge 1.1 mm

Type Sprocket nose bar

Sprocket Number of teeth 6

Pitch 

8ENGLISH

Saw chain type 91PX

Number of drive links 40

Guide bar Guide bar length 250 mm

Cutting length 235 mm

Pitch 

Gauge 1.3 mm

Type Sprocket nose bar

Sprocket Number of teeth 6

Pitch 

Saw chain type 25AP

Number of drive links 60

Guide bar Guide bar length 250 mm

Cutting length 250 mm

Pitch 

Gauge 1.3 mm

Type Carving bar

Sprocket Number of teeth 9

Pitch 

NOTICE: When using 25AP saw chain, use with Sprocket 9 (optional accessory).

WARNING:

result.

Symbols

The followings show the symbols which may be used

for the equipment. Be sure that you understand their

meaning before use.

Read instruction manual.

Wear safety glasses.

Wear ear protection.

Wear a helmet, goggles and ear protection.

Use appropriate protection for foot-leg and

hand-arm.

This saw is to be used by properly trained

operators only.

Do not expose to moisture.

Maximum permissible cut length

Always use two hands when operating the

chain saw.

Direction of chain travel



Ni-MH

Li-ion

Only for EU countries

Due to the presence of hazardous com-

ponents in the equipment, waste electrical

and electronic equipment, accumulators

and batteries may have a negative impact

on the environment and human health.

Do not dispose of electrical and electronic

appliances or batteries with household

waste!

In accordance with the European Directive

on waste electrical and electronic equip-

ment and on accumulators and batteries

and waste accumulators and batteries,

as well as their adaptation to national law,

waste electrical equipment, batteries and

accumulators should be stored separately

and delivered to a separate collection point

for municipal waste, operating in accor-

dance with the regulations on environmen-

tal protection.

This is indicated by the symbol of the

crossed-out wheeled bin placed on the

equipment.

Guaranteed sound power level according

to EU Outdoor Noise Directive.

Sound power level according to Australia

NSW Noise Control Regulation.

Intended use

The tool is intended for cutting branches and pruning

trees. It is also suitable for tree service.

9ENGLISH

Noise

The typical A-weighted noise level determined accord-

ing to EN62841-1 and EN ISO 11681-2 as applicable:

Model DUC204

Sound pressure level (LpA) : 93 dB(A)

Sound power level (LWA) : 101 dB (A)

Uncertainty (K) : 3 dB(A)

Model DUC254

Sound pressure level (LpA) : 93 dB(A)

Sound power level (LWA) : 101 dB (A)

Uncertainty (K) : 3 dB(A)

Model DUC254C

Sound pressure level (LpA) : 93 dB(A)

Sound power level (LWA) : 101 dB (A)

Uncertainty (K) : 3 dB(A)

NOTE: The declared noise emission value(s) has

been measured in accordance with a standard test

method and may be used for comparing one tool with

another.

NOTE: The declared noise emission value(s)

may also be used in a preliminary assessment of

exposure.

WARNING: Wear ear protection.

WARNING: The noise emission during actual



value(s) depending on the ways in which the

tool is used especially what kind of workpiece is

processed.

WARNING: Be sure to identify safety mea-

sures to protect the operator that are based on an

estimation of exposure in the actual conditions of

use (taking account of all parts of the operating

cycle such as the times when the tool is switched



trigger time).

Vibration

The vibration total value (tri-axial vector sum) deter-

mined according to EN62841-1 and EN ISO 11681-2 as

applicable:

Model DUC204

Work mode: cutting wood

Vibration emission (ah,W) : 2.5 m/s2

Uncertainty (K) : 1.5 m/s2

Model DUC254

Work mode: cutting wood

Vibration emission (ah,W) : 2.5 m/s2

Uncertainty (K) : 1.5 m/s2

Model DUC254C

Work mode: cutting wood

Vibration emission (ah,W) : 3.6 m/s2

Uncertainty (K) : 1.5 m/s2

NOTE: The declared vibration total value(s) has been

measured in accordance with a standard test method

and may be used for comparing one tool with another.

NOTE: The declared vibration total value(s) may also

be used in a preliminary assessment of exposure.

WARNING: The vibration emission during



declared value(s) depending on the ways in which

the tool is used especially what kind of workpiece

is processed.

WARNING: Be sure to identify safety mea-

sures to protect the operator that are based on an

estimation of exposure in the actual conditions of

use (taking account of all parts of the operating

cycle such as the times when the tool is switched



trigger time).

EC Declaration of Conformity

For European countries only

The EC declaration of conformity is included as Annex A

to this instruction manual.

SAFETY WARNINGS

General power tool safety warnings

WARNING: Read all safety warnings, instruc-



with this power tool. Failure to follow all instructions





Save all warnings and instruc-

tions for future reference.

The term "power tool" in the warnings refers to your

mains-operated (corded) power tool or battery-operated

(cordless) power tool.

Cordless Chain saw safety warnings

1. Keep all parts of the body away from the saw

chain when the chain saw is operating. Before

you start the chain saw, make sure the saw

chain is not contacting anything. A moment of

inattention while operating chain saws may cause

entanglement of your clothing or body with the

saw chain.

2. Always hold the chain saw with your right

hand on the top handle and your left hand on

the front handle. Holding the chain saw with a





3. Hold the power tool by insulated gripping

surfaces only, because the saw chain may con-

tact hidden wiring. Saw chains contacting a "live"

wire may make exposed metal parts of the power

tool "live" and could give the operator an electric

shock.

4. Wear safety glasses and hearing protection.

Further protective equipment for head, hands,

legs and feet is recommended. Adequate protec-



debris or accidental contact with the saw chain.

5. Always keep proper footing.

10 ENGLISH

6.

When cutting a limb that is under tension be alert

for spring back.

is released the spring loaded limb may strike the

operator and/or throw the chain saw out of control.

7. Use extreme caution when cutting brush and

saplings. The slender material may catch the saw



balance.

8. Carry the chain saw by the front handle with



body. When transporting or storing the chain

 Proper

handling of the chain saw will reduce the likelihood

of accidental contact with the moving saw chain.

9. Follow instructions for lubricating, chain ten-

sioning and changing accessories. Improperly

tensioned or lubricated chain may either break or

increase the chance for kickback.

10. Keep handles dry, clean, and free from oil and

grease. Greasy, oily handles are slippery causing

loss of control.

11. Cut wood only. Do not use chain saw for pur-

poses not intended. For example: do not use

chain saw for cutting plastic, masonry or non-

wood building materials. Use of the chain saw for



hazardous situation.

12. Causes and operator prevention of kickback:

Kickback may occur when the nose or tip of the



closes in and pinches the saw chain in the cut.

Tip contact in some cases may cause a sudden

reverse reaction, kicking the guide bar up and

back towards the operator. Pinching the saw chain

along the top of the guide bar may push the guide

bar rapidly back towards the operator. Either of

these reactions may cause you to lose control of

the saw which could result in serious personal



devices built into your saw. As a chain saw user,

you should take several steps to keep your cutting



Kickback is the result of tool misuse and/or incor-

rect operating procedures or conditions and can be

avoided by taking proper precautions as given below:

 

encircling the chain saw handles, with both

hands on the saw and position your body

and arm to allow you to resist kickback

forces. Kickback forces can be controlled by

the operator, if proper precautions are taken.

Do not let go of the chain saw.

Fig.1

• Do not overreach and do not cut above

shoulder height. This helps prevent unin-

tended tip contact and enables better control

of the chain saw in unexpected situations.

• Only use replacement bars and chains spec-

-

ment bars and chains may cause chain

breakage and/or kickback.

• Follow the manufacturer’s sharpening and

maintenance instructions for the saw chain.

Decreasing the depth gauge height can lead

to increased kickback.

13. Before starting work, check that the chain

saw is in proper working order and that its

condition complies with the safety regulations.

Check in particular that:

• The chain brake is working properly;

• The run-down brake is working properly;

 

correctly;

• The chain has been sharpened and ten-

sioned in accordance with the regulations.

14. Do not start the chain saw with the chain cover

being installed on it. Starting the chain saw with

the chain cover being installed on it may cause

the chain cover to thrown out forward resulting in



operator.

Additional Safety Warnings:

1. When using the tool with battery adapter,

be careful not to trip over the cord during

operation.

2. When using the tool with battery adapter, keep

the cord away from obstacles such as a work-

piece and branches during operation. The cord





warnings

1. This chain saw is designed especially for tree

care and surgery. The chain saw is intended

to be used by properly trained persons only.

Observe all instructions, procedures and rec-

ommendations from the relevant professional

organization. Otherwise fatal accidents may

occur. It is recommend that always using a

rising platform (cherry picker, lift) for sawing

in trees. Rappelling techniques are extremely

dangerous and require special training. The

operators must be trained to become familiar

with safety equipment usage and climbing

techniques. Always use the appropriate belts,

ropes and carabiners when working in trees.

Always use restraining equipment for both the

operator and the saw.

2. Perform cleaning and maintenance before

storage in accordance with the instruction

manual.

3. Ensure safe positioning of the chain saw

during car transportation to avoid fuel or chain

oil leakage, damage to the tool and personal

injury.

4. Regularly check the functionality of chain

brake.

5. 



6. National regulation may restrict the use of the

chain saw.

7. If the equipment gets heavy impact or fall,

check the condition before continuing work.

Check the controls and safety devices for mal-

function. If there is any damage or doubt, ask

our authorized service center for the inspec-

tion and repair.

8. Always activate the chain brake before starting

the chain saw.

11 ENGLISH

9. 

(skid movement) or bouncing of the saw when

starting a cut.

10. At the end of the cut, be careful to keep your

balance due to the “drop”.

11. Take into account the direction and speed of

the wind. Avoid sawdust and chain oil mist.

Protective equipment

1. In order to avoid head, eye, hand or foot

injuries as well as to protect your hearing the

following protective equipment must be used

during operation of the chain saw:

—

The kind of clothing should be appropriate, i. e.





become entangled with bushes or shrubs. If

you have long hair, always wear a hairnet!

— It is necessary to wear a protective helmet

whenever working with the chain saw. The

protective helmet is to be checked in regu-

lar intervals for damage and is to be replaced

after 5 years at the latest. Use only approved

protective helmets.

— The face shield of the protective helmet (or

the goggles) protects against sawdust and

wood chips. During operation of the chain

saw always wear a goggle or a face shield to



— Wear adequate noise protection equip-

ment

— The protective jacket consists of 22 layers

of nylon and protects the operator against

cuts. It is always to be worn when working

from elevated platforms (cherry pickers,

lifts), from platforms mounted on ladders or

when climbing with ropes.

— The protective brace and bib overall is

made of a nylon fabric with 22 layers and

protects against cuts. We strongly recom-

mend its use.

—

Protective gloves made of thick leather are part

of the prescribed equipment and must always be

worn during operation of the chain saw.

— During operation of the chain saw safety

shoes or safety boots

sole, steel toe caps and protection for the

leg must always to be worn. Safety shoes

equipped with a protective layer provide

protection against cuts and ensure a secure

footing. For working in trees the safety boots

must be suitable for climbing techniques.

Vibration

1. Individuals with poor circulation who are exposed



blood vessels or the nervous system. Vibration

may cause the following symptoms to occur in the

-

ness), tingling, pain, stabbing sensation, alteration

of skin colour or of the skin. If any of these symp-

toms occur, see a physician! To reduce the risk



during operation and well maintain the equipment

and accessories.

SAVE THESE INSTRUCTIONS.

WARNING: DO NOT let comfort or familiarity

with product (gained from repeated use) replace

strict adherence to safety rules for the subject

product. MISUSE or failure to follow the safety

rules stated in this instruction manual may cause

serious personal injury.

Important safety instructions for

battery cartridge

1. Before using battery cartridge, read all instruc-

tions and cautionary markings on (1) battery

charger, (2) battery, and (3) product using

battery.

2. Do not disassemble or tamper with the battery

cartridge.

or explosion.

3. If operating time has become excessively

shorter, stop operating immediately. It may

result in a risk of overheating, possible burns

and even an explosion.

4. If electrolyte gets into your eyes, rinse them

out with clear water and seek medical atten-

tion right away. It may result in loss of your

eyesight.

5. Do not short the battery cartridge:

(1) Do not touch the terminals with any con-

ductive material.

(2) Avoid storing battery cartridge in a con-

tainer with other metal objects such as

nails, coins, etc.

(3) Do not expose battery cartridge to water

or rain.

A battery short can cause a large current



breakdown.

6. Do not store and use the tool and battery car-

tridge in locations where the temperature may

reach or exceed 50 °C (122 °F).

7. Do not incinerate the battery cartridge even if

it is severely damaged or is completely worn



8. Do not nail, cut, crush, throw, drop the battery

cartridge, or hit against a hard object to the

battery cartridge. Such conduct may result in a



9. Do not use a damaged battery.

10. The contained lithium-ion batteries are subject

to the Dangerous Goods Legislation require-

ments.

For commercial transports e.g. by third parties,

forwarding agents, special requirement on pack-

aging and labeling must be observed.

For preparation of the item being shipped, consult-

ing an expert for hazardous material is required.

Please also observe possibly more detailed

national regulations.



battery in such a manner that it cannot move

around in the packaging.

11. When disposing the battery cartridge, remove

it from the tool and dispose of it in a safe

place. Follow your local regulations relating to

disposal of battery.

12 ENGLISH

12. Use the batteries only with the products

 Installing the batteries to

-

sive heat, explosion, or leak of electrolyte.

13. If the tool is not used for a long period of time,

the battery must be removed from the tool.

14. During and after use, the battery cartridge may

take on heat which can cause burns or low

temperature burns. Pay attention to the han-

dling of hot battery cartridges.

15. Do not touch the terminal of the tool imme-

diately after use as it may get hot enough to

cause burns.

16. Do not allow chips, dust, or soil stuck into the

terminals, holes, and grooves of the battery

cartridge.

burst and malfunction of the tool or battery car-



17. Unless the tool supports the use near

high-voltage electrical power lines, do not use

the battery cartridge near high-voltage electri-

cal power lines. It may result in a malfunction or

breakdown of the tool or battery cartridge.

18. Keep the battery away from children.

SAVE THESE INSTRUCTIONS.

CAUTION: Only use genuine Makita batteries.

Use of non-genuine Makita batteries, or batteries that

have been altered, may result in the battery bursting



also void the Makita warranty for the Makita tool and

charger.

Tips for maintaining maximum

battery life

1. Charge the battery cartridge before completely

discharged. Always stop tool operation and

charge the battery cartridge when you notice

less tool power.

2. Never recharge a fully charged battery car-

tridge. Overcharging shortens the battery

service life.

3. Charge the battery cartridge with room tem-

perature at 10 °C - 40 °C (50 °F - 104 °F). Let

a hot battery cartridge cool down before

charging it.

4. When not using the battery cartridge, remove

it from the tool or the charger.

5. Charge the battery cartridge if you do not use

it for a long period (more than six months).

PARTS DESCRIPTION

Fig.2

1Switch trigger 2Top handle 3

4Front hand guard 5Guide bar 6Saw chain

7Chain catcher 8Retaining nut 9

10 Chip guide 11 Battery cartridge 12 Main power lamp

13 Main power switch 14  15 Carabiner

16 Front handle 17 Oil tank cap 18 Guide bar cover

FUNCTIONAL

DESCRIPTION

CAUTION: Always be sure that the tool is



before adjusting or checking function on the tool.

Installing or removing battery

cartridge

CAUTION: 

installing or removing of the battery cartridge.

CAUTION: Hold the tool and the battery car-



cartridge. Failure to hold the tool and the battery



and result in damage to the tool and battery cartridge



Fig.3: 1. Red indicator 2. Button 3. Battery cartridge

To remove the battery cartridge, slide it from the tool

while sliding the button on the front of the cartridge.

To install the battery cartridge, align the tongue on the

battery cartridge with the groove in the housing and slip

it into place. Insert it all the way until it locks in place

with a little click. If you can see the red indicator as



CAUTION: Always install the battery cartridge

fully until the red indicator cannot be seen. If not,



you or someone around you.

CAUTION: Do not install the battery cartridge

forcibly. If the cartridge does not slide in easily, it is

not being inserted correctly.

13 ENGLISH

Indicating the remaining battery capacity

Only for battery cartridges with the indicator

Fig.4: 1. Indicator lamps 2. Check button

Press the check button on the battery cartridge to indi-

cate the remaining battery capacity. The indicator lamps

light up for a few seconds.

Indicator lamps Remaining

capacity

Lighted  Blinking

75% to 100%

50% to 75%

25% to 50%

0% to 25%

Charge the

battery.

The battery

may have

malfunctioned.

NOTE: Depending on the conditions of use and the



from the actual capacity.

NOTE:

the battery protection system works.

Tool / battery protection system

The tool is equipped with a tool/battery protection sys-



motor to extend tool and battery life. The tool will auto-

matically stop during operation if the tool or battery is

placed under one of the following conditions:

Overload protection

When the battery is operated in a manner that causes it to

draw an abnormally high current, the tool automatically stops

and the main power lamp blinks in green. In this situation,



to become overloaded. Then turn the tool on to restart.

Overheat protection

When the tool or battery is overheated, the tool stops automat-

ically and the main power lamp lights up in red. In this case, let

the tool and battery cool before turning the tool on again.

NOTE: In high temperature environment, the over-

heat protection likely to work and the tool stops

automatically.

Overdischarge protection

When the battery capacity is not enough, the tool stops

automatically and the main power lamp blinks in red. In

this case, remove the battery from the tool and charge

the battery.

Main power switch

WARNING: 

switch when not in use.

To turn on the tool, press the main power switch until



press the main power switch again.

Fig.5: 1. Main power lamp 2. Main power switch

NOTE: The main power lamp blinks in green if the

switch trigger is pulled under unoperatable conditions.

The lamp blinks in one of the following conditions.

• When you turn on the main power switch while



trigger.

• When you pull the switch trigger while the chain

brake is applied.

• When you release the chain brake while holding



trigger.

NOTE:

To avoid unintentional start up, the main power switch

will automatically shut down when the switch trigger

is not pulled for a certain period after the main power

switch is turned on.

You can use the tool in the Torque Boost mode for

cutting thick branches or hard branches. To use the tool



press the main power switch for a few seconds until the

main power lamp lights up in yellow.

NOTE: You can use the tool in the Torque Boost

mode up to 60 seconds. Depending on the usage

conditions, this mode shifts to the normal mode in

less than 60 seconds.

NOTE: If the main power lamp blinks in yellow when

you press the main power switch for a few seconds,

the Torque Boost mode is not available. In this case,

follow the steps below.

• The Torque Boost mode is not available right

after the cutting operation. Wait for more than 10

seconds, and then press the main power switch

again.

• If you use the Torque Boost mode several times,

the use of the Torque Boost mode is restricted to

protect the battery. If the Torque Boost mode is

not available after waiting for more than 10 sec-

onds, replace the battery cartridge with a fully

charged one, or recharge the battery cartridge.

NOTE: If the main power lamp lights up in red or

blinks in red or green, refer to the instructions for tool/

battery protection system.

NOTE: The Torque Boost mode cannot be used when

the battery cartridge BL1815N, BL1820, or BL1820B

is installed.

14 ENGLISH

Switch action

WARNING: For your safety, this tool is



tool from unintended starting. NEVER use the tool

if it runs when you simply pull the switch trigger



tool to our authorized service center for proper

repairs BEFORE further usage.

WARNING: NEVER tape down or defeat pur-



CAUTION: Before installing the battery car-

tridge into the tool, always check to see that the

switch trigger actuates properly and returns to

the "OFF" position when released.

NOTICE: Do not pull the switch trigger hard with-



switch breakage.

To prevent the switch trigger from being accidentally





The tool speed increases by increasing pressure on the

switch trigger. Release the switch trigger to stop.

Fig.6: 1. Switch trigger 2.

Checking the chain brake

CAUTION: Hold the chain saw with both

hands when switching it on. Hold the top handle

with your right hand, the front handle with your

left. The bar and the chain must not be in contact

with any object.

CAUTION: Should the saw chain not stop

immediately when this test is performed, the

saw may not be used under any circumstances.

Consult our authorized service center.

1. -

ger. The saw chain starts immediately.

2. Push the front hand guard forwards with the back

of your hand. Make sure that the chain saw comes to an

immediate standstill.

Fig.7: 1. Front hand guard 2. Unlocked position

3. Locked position

Checking the run-down brake

CAUTION: If the saw chain does not stop

within two seconds in this test, stop using the

chain saw and consult our authorized service

center.

Run the chain saw then release the switch trigger completely.

The saw chain must come to a standstill within two seconds.

Adjusting the chain lubrication



screw using the universal wrench. The amount of oil



Fig.8: 1.

Carabiner (rope attachment point)

You can hang the tool by attaching the rope to the cara-

biner. Pull up the carabiner, and then tie it with the rope.

Electronic function

The tool is equipped with the electronic functions for easy operation.

• Soft start

The soft-start function minimizes start-up shock,

and makes the tool start smoothly.

ASSEMBLY

CAUTION: Always be sure that the tool is



before carrying out any work on the tool.

CAUTION: Do not touch the saw chain with

bare hands. Always wear gloves when handling

the saw chain.

Removing or installing saw chain

CAUTION:

The saw chain and the guide bar are

still hot just after the operation. Let them cool down

enough before carrying out any work on the tool.

CAUTION: Carry out the procedure of install-

ing or removing saw chain in a clean place free

from sawdust and the like.

To install the saw chain, perform the following steps:

1.

Check the direction of the saw chain. Match the direction

of the saw chain with that of the mark on the chain saw body.

2.

Fit one end of the saw chain on the top of the guide bar.

3. Fit the other end of the saw chain around the

sprocket, then attach the guide bar to the chain saw

body, aligning the hole on the guide bar with the pin on

the chain saw body.

Fig.9: 1. Sprocket 2. Hole

4. Insert the protrusion on the sprocket cover to the

chain saw body, and then close the cover so that the

bolt and pins on the chain saw body meet their counter-

parts on the cover.

Fig.10: 1. Protrusion 2. Sprocket cover 3. Bolt

4. Pin

5. Tighten the retaining nut to secure the sprocket





procedure.)

Fig.11: 1. Retaining nut

To remove the saw chain, perform the following steps:

1.

Release the chain brake by pulling the front hand guard.

2. -

ing nut.

Fig.12: 1.2. Retaining nut

3. Remove the sprocket cover then remove the saw

chain and guide bar from the chain saw body.

15 ENGLISH

Adjusting saw chain tension

CAUTION: Do not tighten the saw chain too

much. Excessively high tension of saw chain may

cause breakage of saw chain and wear of the guide

bar.

CAUTION: A chain which is too loose can



accident.

The saw chain may become loose after many hours

of use. From time to time check the saw chain tension

before use.

1. Release the chain brake by pulling the front hand

guard.

2. Loosen the retaining nut a bit to loosen the

sprocket cover lightly.

Fig.13: 1. Retaining nut

3. 



to tighten, turn it counterclockwise to loosen.

For chain blade 90PX and 91PX:

Tighten the saw chain until the lower side of the saw



Fig.14: 1. Guide bar 2. Saw chain 3.-

ing screw

For chain blade 25AP:

Tighten the saw chain so that the gap between the cen-

ter of the lower side of the guide bar and the saw chain

becomes approximately 1 mm to 2 mm.

4. Keep holding the guide bar lightly and tighten the

sprocket cover.

For chain blade 90PX and 91PX:

Make sure that the saw chain does not loose at the

lower side.

For chain blade 25AP:

Make sure that the gap between the center of the lower

side of the guide bar and the saw chain is approximately

1 mm to 2 mm.

5. Tighten the retaining nut to secure the sprocket

cover.

Fig.15: 1. Retaining nut



side of the bar.

Spike bumper

Optional accessory

When cutting thick branches, using the spike bumper is

recommended. To install the spike bumper, perform the

following steps:

1. Remove the sprocket cover, saw chain, and guide

bar.

2. Align the holes of the spike bumper with the holes

on the chain saw body, and then tighten the screws



Fig.16: 1. Screw 2. Spike bumper

OPERATION

Lubrication

Saw chain is automatically lubricated when the tool is in

operation. Check the amount of remaining oil in the oil

tank periodically through the oil inspection window.





the tank, make sure that the oil tank cap is tightened securely.

Fig.17: 1. Oil tank cap 2. Oil inspection window



and wait until lubrication on saw chain is adequate.

Fig.18

NOTICE:



-



The oil delivery may otherwise be impaired.

NOTICE:

Use the saw chain oil exclusively for Makita

chain saws or equivalent oil available in the market.

NOTICE: Never use oil including dust and parti-

cles or volatile oil.

NOTICE: When pruning trees, use botanical oil.

Mineral oil may harm trees.

NOTICE: Before the cutting operation, make sure

that the provided oil tank cap is screwed in place.

WORKING WITH THE CHAIN SAW

CAUTION: Keep all parts of the body away

from the saw chain when the motor is operating.

CAUTION: 

both hands when the motor is running.

CAUTION: Do not overreach. Keep proper

footing and balance at all times.

NOTICE: Never toss or drop the tool.

NOTICE: Do not cover the vents of the tool.

Pruning trees

Bring the chain saw body into contact with the branch to be cut

before switching on. Otherwise it may cause the guide bar to





Fig.19

If you cannot cut the timber right through with a single stroke:

Apply light pressure to the handle and continue sawing

and draw the chain saw back a little.

Fig.20





Fig.21



branch may close in and pinch the saw chain in the cut.



shallow undercut, the branch may splinter.

Fig.22

16 ENGLISH

Carrying tool

Before carrying the tool, always apply the chain brake

and remove the battery cartridges from the tool. Then

attach the guide bar cover. Also cover the battery car-

tridge with the battery cover.

Fig.23: 1. Guide bar cover 2. Battery cover

MAINTENANCE

CAUTION: Always be sure that the tool is



before attempting to perform inspection or

maintenance.

CAUTION: Always wear gloves when perform-

ing any inspection or maintenance.

NOTICE: Never use gasoline, benzine, thinner,

alcohol or the like. Discoloration, deformation or

cracks may result.

To maintain product SAFETY and RELIABILITY,



be performed by Makita Authorized or Factory Service

Centers, always using Makita replacement parts.

Sharpening the saw chain

Sharpen the saw chain when:

• Mealy sawdust is produced when damp wood is

cut;

 

when heavy pressure is applied;

• The cutting edge is obviously damaged;

• The saw pulls to the left or right in the wood.

(caused by uneven sharpening of the saw chain or

damage to one side only)

Sharpen the saw chain frequently but a little each time.



routine resharpening. When the saw chain has been

resharpened several times, have it sharpened in our

authorized service center.

Sharpening criteria:

WARNING: An excessive distance between

the cutting edge and depth gauge increases the

risk of kickback.

Fig.24: 1. Cutter length 2. Distance between cutting

edge and depth gauge 3. Minimum cutter

length (3 mm)

 

lengths prevent the saw chain from running

smoothly and may cause the saw chain to break.

— Do not sharpen the chain when the cutter length

has reached 3 mm or shorter. The chain must be

replaced with new one.

— The chip thickness is determined by the distance

between the depth gauge (round nose) and the

cutting edge.

— The best cutting results are obtained with following

distance between cutting edge and depth gauge.

• Chain blade 90PX : 0.65 mm

• Chain blade 91PX : 0.65 mm

• Chain blade 25AP : 0.65 mm

Fig.25

— The sharpening angle of 30° must be the same on



to run roughly and unevenly, accelerate wear, and

lead to chain breaks.

 -

ening angle is kept against the teeth.

• Chain blade 90PX : 55°

• Chain blade 91PX : 55°

• Chain blade 25AP : 55°



 

saw chains to sharpen the chain. Normal round



 

follows:

• Chain blade 90PX : 4.5 mm

• Chain blade 91PX : 4.0 mm

• Chain blade 25AP : 4.0 mm

 -



stroke.

 

of this shortest cutter becomes the standard for all

other cutters on the saw chain.

 

Fig.26: 1. File 2. Saw chain

 



has markings for the correct sharpening angle of

30° (align the markings parallel to the saw chain)

and limits the depth of penetration (to 4/5 of the



Fig.27: 1. File holder

— After sharpening the chain, check the height of the

depth gauge using the chain gauge tool (optional

accessory).

Fig.28

 



 

Cleaning the guide bar

Chips and sawdust will build up in the guide bar groove.



Clean out the chips and sawdust every time when you

sharpen or replace the saw chain.

Fig.29

Cleaning the sprocket cover

Chips and saw dust will accumulate inside of the

sprocket cover. Remove the sprocket cover and saw

chain from the tool then clean the chips and saw dust.

Fig.30

17 ENGLISH

Cleaning the oil discharge hole

Small dust or particles may be built up in the oil dis-

charge hole during operation. These dust or particles



lubrication on the whole saw chain. When a poor chain

oil delivery occurs at the top of guide bar, clean the oil

discharge hole as follows.

1. Remove the sprocket cover and saw chain from

the tool.

2. Remove the small dust or particles using a slotted

screwdriver or the like.

Fig.31: 1. Slotted screwdriver 2. Oil discharge hole

3. Insert the battery cartridge into the tool. Pull the



discharge hole by discharging chain oil.

4. Remove the battery cartridge from the tool.

Reinstall the sprocket cover and saw chain on the tool.

Replacing the sprocket

CAUTION:

A worn sprocket will damage a new

saw chain. Have the sprocket replaced in this case.



Fig.32: 1. Sprocket 2. Areas to be worn out



Fig.33: 1. Locking ring 2. Sprocket

NOTICE: Make sure that the sprocket is installed



Storing the tool

1.

Clean the tool before storing. Remove any chips and

sawdust from the tool after removing the sprocket cover.

2. After cleaning the tool, run it under no load to lubri-

cate the saw chain and guide bar.

3. Cover the guide bar with the guide bar cover.

4. Empty the oil tank.

Instructions for periodic maintenance

To ensure long life, prevent damage and ensure the full functioning of the safety features, the following maintenance must

be performed regularly. Warranty claims can be recognized only if this work is performed regularly and properly. Failure to

perform the prescribed maintenance work can lead to accidents! The user of the chain saw must not perform maintenance

work which is not described in the instruction manual. All such work must be carried out by our authorized service center.

Check item / Operating time Before

operation

Everyday Every week Every 3

month

Annually Before

storage

Chain saw Inspection. -----

Cleaning. -----

Check at

authorized

service center.

----

Saw chain Inspection. -----

Sharpening if

necessary.

-----

Guide bar Inspection. ----

Remove from

the chain saw.

-----

Chain brake Check the

function.

-----

Have it inspected

regularly at

authorized

service center.

--- --

Chain

lubrication

Check the oil

feed rate.

-----

Switch trigger Inspection. -----

 Inspection. -----

Oil tank cap Check

tightness.

-----

Chain catcher Inspection. - - ---

Screws and

nuts

Inspection. - - ---

18 ENGLISH

TROUBLESHOOTING



do not attempt to dismantle the tool. Instead, ask Makita Authorized Service Centers, always using Makita replace-

ment parts for repairs.

Malfunction status Cause Action

The chain saw does not start. Battery cartridge is not installed. Install a charged battery cartridge.

Battery problem (low voltage).

Recharge the battery cartridges. If recharging



 

it is un-operated for a certain period. Turn

on the main power switch again.

The saw chain does not run. Chain brake activated. Release chain brake.

The motor stops running after a little use. Battery's charge level is low.

Recharge the battery cartridges. If recharging



No oil on the chain. Oil tank is empty. Fill the oil tank.

Oil guide groove is dirty. Clean the groove.

Poor oil delivery. 



The chain saw does not reach maximum

RPM.

Battery cartridge is installed improperly. Install the battery cartridges as described

in this manual.

Battery power is dropping.

Recharge the battery cartridge. If recharging



The drive system does not work correctly. Ask the authorized service center in your

region for repair.

The main power lamp is blinking in green. Switch trigger is pulled under an unoperat-

able condition.

Pull the switch trigger after the main power

switch is turned on and the chain brake is

released.

Chain does not stop even the chain brake

is activated:

Stop the machine immediately!

The brake band is worn down. Ask the authorized service center in your

region for repair.

Abnormal vibration:

Stop the machine immediately!

Loose guide bar or saw chain. 

tension.

Tool malfunction. Ask the authorized service center in your

region for repair.

The Torque Boost mode is not available

after replacing the battery cartridge with a

fully charged one.

Depending on the usage conditions, the

Torque Boost mode is not available after

replacing the battery cartridge.

Use the tool in the normal mode until the

installed battery cartridge becomes empty, and

then replace the battery cartridge with a fully

charged one, or recharge the battery cartridge.

The saw chain cannot be installed. The combination of saw chain and

sprocket is not correct.

Use the correct combination of saw chain

and sprocket by referring to the section for



OPTIONAL ACCESSORIES

CAUTION: These accessories or attachments

are recommended for use with your Makita tool

 The use of any other

accessories or attachments might present a risk of



for its stated purpose.

If you need any assistance for more details regard-

ing these accessories, ask your local Makita Service

Center.

• Saw chain

• Guide bar

• Guide bar cover

• Sprocket

• Spike bumper

• File

• Tool bag

• Makita genuine battery and charger

WARNING: If you purchase a guide bar of



purchase a suitable guide bar cover together. It



saw.

NOTE: Some items in the list may be included in the

tool package as standard accessories. They may



19 FRANÇAIS

FRANÇAIS (Instructions originales)

SPÉCIFICATIONS

Modèle : DUC204 DUC254 DUC254C

Longueur totale (sans guide-chaîne) 256 mm

Tension nominale 18 V CC

Poids net *1 2,0 kg

*2 2,8 - 3,3 kg

Longueur du guide-chaîne standard 200 mm 250 mm

Longueur de guide-chaîne

recommandée

avec 90PX 200 - 250 mm -

avec 91PX -250 mm -

avec 25AP -250 mm

Type de chaîne applicable

(reportez-vous au tableau ci-dessous.)

90PX 90PX

91PX

25AP

Pignon standard Nombre de dents 6 9

Pas  

Vitesse de la chaîne 0 - 24 m/s

(0 - 1 440 m/min)

0 - 22,5 m/s

(0 - 1 350 m/min)

Capacité du réservoir d’huile pour chaîne 140 cm3

 



 

*1 : Poids, sans la chaîne, le guide-chaîne, le garde-chaîne, l’huile et la ou les batteries.



selon le ou les accessoires, notamment la ou les batteries.

Batterie et chargeur applicables

Batterie BL1815N / BL1820B / BL1830B / BL1840B / BL1850B / BL1860B

Chargeur DC18RC / DC18RD / DC18RE / DC18SD / DC18SE / DC18SF /

DC18SH

• Certains chargeurs et batteries répertoriés ci-dessus peuvent ne pas être disponibles selon la région où vous

résidez.

AVERTISSEMENT : N’utilisez que les batteries et les chargeurs répertoriés ci-dessus. L’utilisation

d’autres batteries et chargeurs peut provoquer des blessures et/ou un incendie.

Combinaison de chaîne, guide-chaîne et pignon

Type de chaîne 90PX

Nombre de maillons d’entraînement 33 40

Guide-chaîne Longueur du guide-chaîne 200 mm 250 mm

Longueur de coupe 171 mm 235 mm

Pas 

Jauge 1,1 mm

Type 

Pignon Nombre de dents 6

Pas 

20 FRANÇAIS

Type de chaîne 91PX

Nombre de maillons d’entraînement 40

Guide-chaîne Longueur du guide-chaîne 250 mm

Longueur de coupe 235 mm

Pas 

Jauge 1,3 mm

Type 

Pignon Nombre de dents 6

Pas 

Type de chaîne 25AP

Nombre de maillons d’entraînement 60

Guide-chaîne Longueur du guide-chaîne 250 mm

Longueur de coupe 250 mm

Pas 

Jauge 1,3 mm

Type Guide-chaîne pour sculpture

Pignon Nombre de dents 9

Pas 

REMARQUE :

Lorsque vous utilisez la chaîne 25AP, utilisez-la en association avec le pignon 9 (accessoire en option).

AVERTISSEMENT : Associez correctement guide-chaîne et chaîne. Le non-respect de cette consigne peut

entraîner des blessures.

Symboles

Vous trouverez ci-dessous les symboles susceptibles





Lire le mode d’emploi.

Portez des lunettes de sécurité.

Portez un dispositif de protection auditive.



un serre-tête antibruit.

Portez des protections adaptées pour les



Cette scie ne doit être utilisée que par des

opérateurs correctement formés.



Longueur de coupe maximale admise



lorsque vous utilisez la tronçonneuse.

Sens de déplacement de la chaîne



Ni-MH

Li-ion

Pour les pays de l’Union européenne

uniquement

En raison de la présence de composants

dangereux dans l’équipement, les déchets

d’équipements électriques et électro-

niques, les accumulateurs et les batteries

peuvent avoir un impact négatif sur l’envi-

ronnement et la santé humaine.



électroniques ou les batteries avec les

ordures ménagères !



relative aux déchets d’équipements élec-

triques et électroniques et aux déchets





les déchets d’équipements électriques,

les batteries et les accumulateurs doivent

être collectés séparément et déposés

dans un point de collecte distinct pour

déchets urbains, conformément aux régle-

mentations en matière de protection de

l’environnement.

Cela est indiqué par le symbole de la pou-



Niveau de puissance sonore garanti selon

la directive européenne sur le bruit dans

l’environnement.

Niveau de puissance sonore selon la

réglementation australienne NSW sur le

contrôle du bruit

Utilisations

L’outil est conçu pour la coupe des branches et l’éla-



arbres.

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