Makita UC3550AP Le manuel du propriétaire

GB Electric Chain Saw Instruction manual

F Tronçonneuse Électrique Manuel d’instructions

D Elektro-Motorsäge Betriebsanleitung

I Motosega elettrica Istruzioni per l’uso

NL Elektrische kettingzaag Gebruiksaanwijzing

E Electrosierra Manual de instrucciones

P Motosserra Elétrica Manual de instruções

DK El-kædesav Brugsanvisning

GR Ηλεκτρικό αλυσοπρίονο Οδηγίες χρήσης

TR Elektrikli Ağaç Kesim Motoru Kullanım kılavuzu

014371

UC3050A

UC3550A

UC3550AP

UC4050A

UC4550A

UC3051A

UC3551A

UC4051A

UC4551A

2

1014316 2006909

3006919 4014317

5014372

12

3

4

56

78

12

10

11

3

6014373

7014514

8014453 9014393

3

4

567

8

12 10

9

11

16

14

17

15

19

18 20

13

9

11

4

10 014515 11 014516

12 014457 13 014448

14 014380 15 014454

16 014394 17 014680

21

22

23

24

7

26

25

24

9

11

27 28

29 8

7

5

18 014682 19 014359

20 014376 21 006921

22 014386 23 014387

24 014439 25 014517

28

22 8

7

27

32

31 19

30

16

4

Reclaimend

oil

15

33

6

34

35

6

3435

14

6

26 014392 27 014389

28 006914 29 006915

30 014390 31 006917

32 006918 33 006923

13

A

B

A

B

45

o

2

1

/

2

45

o

36

7

34 009202 35 006924

36 014456 37 014455

38 006927 39 006928

40 014344 41 006930

37

38

39 39

4141

40 40

42 40

30

4343

30

8

42 014391 43 014513

44 001145 45 014395

44

45

23

46

47

48

9

ENGLISH (Original instructions)

Explanation of general view

SPECIFICATIONS

• Due to our continuing program of research and development, the specifications herein are subject to change without

notice.

• Specifications may differ from country to country.

• Weight according to EPTA-Procedure 01/2003

Symbol END218-7

The following show the symbols used for the equipment.

Be sure that you understand their meaning before use.

...... Read instruction manual and follow the

warnings and safety instructions.

...... Wear eye protection.

....... Wear ear protection.

............... DOUBLE INSULATION

.................. Caution: particular care and attention

required!

.................. Caution: withdraw the mains plug

immediately if the cable is damaged!

.................. Caution: kickback!

................. Protect against rain and damp!

................. Wear a helmet, goggles and ear

protection!

................. Wear safety gloves!

................. Withdraw the mains plug!

.................. First aid

1. Chain brake applied

2. Chain brake released

3. Rear handle

4. Switch trigger

5. Front handle

6. Front hand guard

7. Guide bar

8. Saw chain

9. Lever

10. Adjusting screw/dial

11. Sprocket cover

12. Rear hand guard

13. Spike bumper

14. Oil level sight

15. Oil filler cap

16. Lock-off button

17. Chain catcher

18. Guide bar cover

19. Cord hook

20. Adjusting screw for oil pump (at

the bottom)

21. Adjusting screw

22. Adjusting dial

23. Sprocket

24. Hole

25. Hook

26. Pin

27. Loosen

28. Tighten

29. Chain adjusting screw

30. Tool’s cord

31. Extension cord

32. Plug and socket (the shape may

differ from country to country)

33. Strap

34. Lock

35. Unlock

36. Felling area

37. Felling direction

38. Danger zone

39. Escape route

40. Cutting length

41. Distance between cutting edge

and depth gauge

42. Minimum 3 mm

43. Side plate angle

44. Oil guide groove

45. Oil feed hole

46. Limit mark

47. Brush holder cap

48. Screwdriver

Model

UC3050A UC3051A UC3550A UC3550AP UC3551A UC4050A UC4051A UC4550A UC4551A

Max. chain speed 14.5 m/s (870 m/min)

Standard

guide bar

Bar length 300 mm 350 mm 400 mm 450 mm

Cutting

length 260 mm 320 mm 355 mm 415 mm

Guide bar

type Sprocket nose bar

Standard

saw chain

Type 91PX

Pitch 3/8”

No. of drive

links 46 52 56 62

Recommended guide bar

length 300 - 450 mm

Overall length (without

guide bar) 505 mm

Net weight 5.4 kg 5.5kg 5.5 kg 5.6 kg 5.5 kg 5.6 kg 5.7 kg

Extension cable (optional) DIN 57282/HO 7RN -F L=30 m max., 3x1.5 mm2

10

........ Maximum permissible length of cut

........ Direction of chain travel

.................. Chain oil

.......... Chain brake released

.......... Chain brake applied

................ Prohibited!

............... Only for EU countries

Do not dispose of electric equipment

together with household waste material!

In observance of the European Directive,

on Waste Electric and Electronic

Equipment and its implementation in

accordance with national law, electric

equipment that have reached the end of

their life must be collected separately and

returned to an environmentally

compatible recycling facility.

Intended use ENE085-1

The tool is intended for cutting lumbers and logs.

Power supply ENF002-2

The tool should be connected only to a power supply of

the same voltage as indicated on the nameplate, and can

only be operated on single-phase AC supply. They are

double-insulated and can, therefore, also be used from

sockets without earth wire.

General Power Tool Safety

Warnings GEA010-1

WARNING Read all safety warnings and all

instructions. Failure to follow the warnings and

instructions may result in electric shock, fire and/or

serious injury.

Save all warnings and

instructions for future reference.

Chain saw safety warnings GEB037-8

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 rear handle and your left hand on the front

handle. Holding the chain saw with a reversed hand

configuration increases the risk of personal injury and

should never be done.

3. Hold the power tool by insulated gripping surfaces

only, because the saw chain may contact hidden

wiring or its own cord. 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 protective

clothing will reduce personal injury by flying debris or

accidental contact with the saw chain.

5. Do not operate a chain saw in a tree. Operation of a

chain saw while up in a tree may result in personal

injury.

6. Always keep proper footing and operate the chain

saw only when standing on fixed, secure and level

surface. Slippery or unstable surfaces such as

ladders may cause a loss of balance or control of the

chain saw.

7. When cutting a limb that is under tension be alert

for spring back. When the tension in the wood fibres

is released the spring loaded limb may strike the

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

8. Use extreme caution when cutting brush and

saplings. The slender material may catch the saw

chain and be whipped toward you or pull you off

balance.

9. Carry the chain saw by the front handle with the

chain saw switched off and away from your body.

When transporting or storing the chain saw

always fit the guide bar cover. Proper handling of

the chain saw will reduce the likelihood of accidental

contact with the moving saw chain.

10. Follow instructions for lubricating, chain

tensioning and changing accessories. Improperly

tensioned or lubricated chain may either break or

increase the chance for kickback.

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

grease. Greasy, oily handles are slippery causing loss

of control.

12. Cut wood only. Do not use chain saw for purposes

not intended. For example: do not use chain saw

for cutting plastic, masonry or non-wood building

materials. Use of the chain saw for operations

different than intended could result in a hazardous

situation.

13. Causes and operator prevention of kickback:

Kickback may occur when the nose or tip of the guide

bar touches an object, or when the wood 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 injury. Do not rely exclusively upon the safety

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

should take several steps to keep your cutting jobs

free from accident or injury.

Kickback is the result of tool misuse and/or incorrect

operating procedures or conditions and can be

avoided by taking proper precautions as given below:

–Maintain a firm grip, with thumbs and fingers

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

11

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 unintended tip

contact and enables better control of the chain saw

in unexpected situations.

–Only use replacement bars and chains

specified by the manufacturer. Incorrect

replacement 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.

ADDITIONAL SAFETY RULES

1. Read the instruction manual in order to familiarize

yourself with operation of the chain saw.

2. Before using the chain saw for the first time, arrange

to have instruction in its operation. If this is not

possible, at least practice cutting round timber on a

trestle before beginning work.

3. The chain saw must not be used by children or young

persons under 18 years of age. Young persons over

16 years of age may be exempted from this restriction

if they are undergoing training under the supervision

of an expert.

4. Working with the chain saw requires a high level of

concentration. Do not work with the saw if you are not

feeling fit and well. Carry out all work calmly and

carefully.

5. Never work under the influence of alcohol, drugs or

medication.

Proper use

1. The chain saw is intended solely for cutting wood. Do

not use it for example to cut plastic or porous

concrete.

2. Only use the chain saw for operations described in

this instruction manual. Do not, for example, use it to

trim hedges or for similar purposes.

3. The chain saw must not be used for forestry work, i.e.

for felling and limbing standing timber. The chain saw

cable does not provide the operator with the mobility

and safety required for such work.

4. The chain saw is not intended for commercial use.

5. Do not overload the chain saw.

Personal protective equipment

1. Clothing must be close-fitting, but must not obstruct

mobility.

2. Wear the following protective clothing during work:

• A tested safety helmet, if a hazard is presented by

falling branches or similar;

• A face mask or goggles;

• Suitable ear protection (ear muffs, custom or

mouldable ear plugs). Octave brand analysis upon

request.

• Firm leather safety gloves;

• Long trousers manufactured from strong fabric;

• Protective dungarees of cut-resistant fabric;

• Safety shoes or boots with non-slip soles, steel

toes, and cut-resistant fabric lining;

• A breathing mask, when carrying out work which

produces dust (e.g. sawing dry wood).

Protection against electric shock

The chain saw must not be used in wet weather or

damp environments, as the electric motor is not

waterproof.

1. Only plug the saw into sockets in tested electrical

circuits. Check that the system voltage matches that

on the rating plate. Ensure that a 16 A line fuse is

fitted. Saws used in the open air must be connected to

a residual current-operated circuit-breaker with an

operating current no higher than 30 mA.

Should the connecting cable be damaged,

withdraw the mains plug immediately.

Safe working practices

1. 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;

• The bar and the sprocket cover are fitted correctly;

• The chain has been sharpened and tensioned in

accordance with the regulations;

• The mains cable and mains plug are undamaged;

Refer to the “CHECKS” section.

2. Always ensure in particular that the extension cable

used is of adequate cross-section (see

“SPECIFICATIONS”). When using a cable reel, wind

the cable completely off the reel. When using the saw

in the open air, ensure that the cable employed is

intended for open-air use and is rated accordingly.

3. Keep the cord away from the cutting area and to

position cord so that it will not be caught on branches,

and the like, during cutting.

4. Do not operate the chain saw in the vicinity of

flammable dust or gases, as the motor generates

sparks and presents a risk of explosion.

5. Work only on firm ground and with a good footing. Pay

particular attention to obstacles (e.g. the cable) in the

working area. Take particular care where moisture,

ice, snow, freshly cut wood or bark may make

surfaces slippery. Do not stand on ladders or trees

when using the saw.

6. Take particular care when working on sloping ground;

rolling trunks and branches pose a potential hazard.

7. Never cut above shoulder height.

8. Hold the chain saw with both hands when

switching it on and using it. Hold the rear handle

with your right hand and the front handle with your left.

Hold the handles firmly with your thumbs. The bar and

the chain must not be in contact with any objects when

the saw is switched on. (Fig. 1)

9. Clean the area to be cut of foreign objects such as

sand, stones, nails, wire, etc. Foreign objects damage

the bar and chain, and can lead to dangerous

kickback.

10. Take particular care when cutting in the vicinity of wire

fences. Do nut cut into the fence, as the saw may kick

back.

11. Do not cut into the ground.

12. Cut pieces of wood singly, not in bunches or stacks.

12

13. Avoid using the saw to cut thin branches and roots, as

these can become entangled in the chain saw. Loss of

balance presents a hazard.

14. Use a secure support (trestle) when cutting sawn

timber.

15. Do not use the chain saw to prise off or brush away

pieces of wood and other objects.

16. Guide the chain saw such that no part of your body is

within the extended path of the saw chain (see figure).

(Fig. 2)

17. When moving around between sawing operations,

apply the chain brake in order to prevent the chain

from being operated unintentionally. Hold the chain

saw by the front handle when carrying it, and do not

keep your finger on the switch.

18. Withdraw the mains plug when taking breaks or

leaving the chain saw unattended. Leave the chain

saw where it cannot present a hazard.

Kickback

1. Hazardous kickback may arise during work with the

chain saw. Kickback arises when the tip of the bar (in

particular the upper quarter) comes into contact with

wood or another solid object. This causes the

chainsaw to be deflected in the direction of the

operator. (Fig. 3)

2. In order to avoid kickback, observe the following:

• Never begin the cut with the tip of the bar.

• Never use the tip of the bar for cutting. Take

particular care when resuming cuts which have

already been started.

• Start the cut with the chain running.

• Always sharpen the chain correctly. In particular,

set the depth gauge to the correct height.

• Never saw through several branches at a time.

• When limbing, take care to prevent the bar from

coming into contact with other branches.

• When bucking, keep clear of adjacent trunks.

Always observe the bar tip.

• Use a trestle.

Safety features

1. Always check that the safety features are in working

order before starting work. Do not use the chain saw if

the safety features are not working properly.

–Chain brake:

The chain saw is fitted with a chain brake which brings

the saw chain to a standstill within a fraction of a

second. It is activated when the hand guard is pushed

forwards. The saw chain then stops within 0.15 s, and

the power supply to the motor is interrupted. (Fig. 4)

–Run-down brake:

The chain saw is equipped with an run down brake

which brings the saw chain to an immediate stop when

the ON/OFF switch is released. This prevents the saw

chain from running on when switched off, and thus

presenting a hazard.

–The front and rear hand guards protect the user

against injury from pieces of wood which may be

thrown backwards, or a broken saw chain.

–The trigger lockout prevents the chain saw from being

switched on accidentally.

–The chain catcher protects the user against injury

should the chain jump or break.

Transport and storage

When the chain saw is not in use or is being

transported, withdraw the mains plug and fit the

guide bar cover supplied with the saw. Never carry

or transport the saw with the saw chain running.

1. Carry the chain saw by the front handle only, with the

bar pointing backwards.

2. Keep the chain saw in a secure, dry and locked room

out of the reach of children. Do not store the chain saw

outdoors.

Maintenance

1. Withdraw the plug from the socket before carrying out

any adjustments or maintenance.

2. Check the power cable regularly for damage to the

insulation.

3. Clean the chain saw regularly.

4. Have any damage to the plastic housing repaired

properly and immediately.

5. Do not use the saw if the switch trigger is not working

properly. Have it properly repaired.

6. Under no circumstances should any modifications be

made to the chain saw. Your safety is at risk.

7. Do not carry out maintenance or repair work other

than that described in this instruction manual. Any

other work must be carried out by authorized service

centers.

8. Only use genuine replacement parts and accessories

intended for your model of saw. The use of other parts

increases the risk of accident.

9. We accept no responsibility for accidents or damage

should non-approved bars, saw chains or other

replacement parts or accessories be used.

First aid

Do not work alone. Always work within shouting

distance of a second person.

1. Always keep a first-aid box to hand. Replace any

items taken from it immediately.

2. Should you request assistance in the event of an

accident, state the following:

• Where did the accident happen?

• What happened?

• How many persons are injured?

• What injuries do they have?

• Who is reporting the accident?

NOTE:

Individuals with poor circulation who are exposed to

excessive vibration may experience injury to blood

vessels or the nervous system.

Vibration may cause the following symptoms to occur in

the fingers, hands or wrists: “Falling asleep” (numbness),

tingling, pain, stabbing sensation, alteration of skin colour

or of the skin.

If any of these symptoms occur, see a physician!

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

13

follow the safety rules stated in this instruction

manual may cause serious personal injury.

DESIGNATION OF PARTS

(Nut model: the sprocket cover is tightened by nuts.)

For Model UC3050A, UC3550A, UC3550AP, UC4050A,

UC4550A (Fig. 5)

(Lever model: the sprocket cover is tightened by lever.)

For Model UC3051A, UC3551A, UC4051A, UC4551A

(Fig. 6)

(For all models) (Fig. 7)

ASSEMBLY

CAUTION:

• Always be sure that the tool is switched off and

unplugged before carrying out any work on the tool.

Removing or installing sprocket cover

To remove the sprocket cover, perform the following

steps:

(For nut models) (Fig. 8)

Loosen the nut.

(For lever models) (Fig. 9)

Press and fully open the lever until it stops.

Turn the lever counterclockwise.

To install the sprocket cover, perform the above steps in

reverse.

Removing or installing saw chain

CAUTION:

• Always wear gloves when installing or removing the

saw chain.

To remove the saw chain, perform the following steps:

1. Loosen the sprocket cover.

2. (For nut models) Turn the chain adjusting screw

counterclockwise to release the saw chain tension.

(For lever models) Turn the adjusting dial to “-”

direction to loosen the saw chain tension. (Fig. 10 &

11)

3. Remove the sprocket cover.

4. Remove the saw chain and guide bar from the chain

saw.

To install the saw chain, perform the following steps:

5. Make sure the direction of the chain. The arrow mark

on the chain shows the direction of the chain. (Fig. 12)

6. Fit in one end of the saw chain on the top of the guide

bar and the other end of it around the sprocket.

7. Place the guide bar on the chain saw.

8. Align the tension slide with the hole of the guide bar.

(Fig. 13)

9. Holding the guide bar, and turn the chain adjusting

screw/dial to adjust the saw chain tension.

10. Place the sprocket cover so that the hooks fit

alongside the holes and the pin fits its counterpart on

the sprocket cover. (Fig. 14)

11. Tighten the sprocket cover. (Fig. 15 & 16)

Adjusting saw chain tension

The saw chain may become loose after many hours of

use. From time to time check the saw chain tension

before use.

1. Loosen the sprocket cover lightly.

2. Lift up the guide bar tip slightly.

3. Turn the adjusting screw/dial to adjust saw chain

tension. (Fig. 17 & 18)

4. Tighten the saw chain until the lower side of the saw

chain fits in the guide bar rail (see circle).

5. Keep holding the guide bar lightly, tighten the sprocket

cover after adjusting the chain tension. Make sure that

the saw chain does not loose at lower side.

Make sure the saw chain fits snugly against the lower side

of the bar.

CAUTION:

• Do not tighten the saw chain too much. Excessively

high tension of saw chain may cause breakage of saw

chain, wear of the guide bar and breakage of the

adjusting dial.

• A chain which is too loose can jump off the bar, and

therefore presents an accident risk.

• Carry out the procedure of installing or removing saw

chain in a clean place free from sawdust and the like.

Engaging extension cord

CAUTION:

• Make sure that the extension cord is unplugged to the

mains outlet. (Fig. 19)

When engaging the extension cord, secure it to the chain

saw’s cord with the cord hook.

Attach the cord hook about 100 - 200 mm from the

extension cord connector. This helps prevent

unintentional disconnection.

OPERATION

CAUTION:

• Hold the tool firmly with right hand on the rear handle

and left hand on the front handle when performing the

tool.

Switch action (Fig. 20)

CAUTION:

• Always be sure that the tool is switched off and

unplugged before checking function on the switch

trigger.

• Before plugging in the tool, always check to see that

the switch trigger actuates properly and returns to the

“OFF” position when released.

To prevent the switch trigger from being accidentally

pulled, a lock-off button is provided.

To start the tool, depress the lock-off button and pull the

switch trigger. Release the switch trigger to stop.

Lubrication

CAUTION:

• Always be sure that the tool is switched off and

unplugged before lubricating the saw chain.

Lubricate the saw chain and bar using biologically

degradable saw chain oil with an adhesion agent. The

adhesion agent in the saw chain oil prevents the oil from

14

being thrown off the saw excessively quickly. Mineral oils

must not be used, as they are harmful to the environment.

(Fig. 21)

CAUTION:

• Prevent the oil from coming into contact with the skin

and eyes. Contact with the eyes causes irritation. In the

event of eye contact, flush the affected eye

immediately with clear water, then consult a doctor at

once.

• Never use waste oil. Waste oil contains carcinogenic

substances. The contaminants in waste oil cause

accelerated wear of the oil pump, the bar and the

chain. Waste oil is harmful to the environment.

• When filling the chain saw with chain oil for the first

time, or refilling the tank after it has been completely

emptied, add oil up to the bottom edge of the filler neck.

The oil delivery may otherwise be impaired.

To fill the oil, perform the following steps: (Fig. 22)

1. Clean the area around the oil filler cap thoroughly to

prevent any dirt from entering the oil tank.

2. Unscrew the oil filler cap and add oil up to the lower

edge of the filler neck.

3. Screw the oil filler cap firmly back in place.

4. Wipe away any spilt chain oil carefully.

NOTE:

• When the chain saw is used for the first time, it may

take up to two minutes for the saw chain oil to begin its

lubricating effect upon the saw mechanism. Run the

saw without load until it does so (see “CHECKS”).

CHECKS

Before starting work, carry out the following checks:

Checking the chain tension

WARNING:

• Always withdraw the mains plug before checking the

chain tension, and wear safety gloves.

(For nut models) (Fig. 17)

(For lever models) (Fig. 18)

Make sure the saw chain fits snugly against the lower side

of the bar (see circle).

Check the chain tension frequently, as new chains are

subject to elongation.

Excessively high tension of saw chain may cause

breakage of saw chain, wear of the guide bar and

breakage of the adjusting dial.

A chain which is too loose can jump off the bar, and

therefore presents an accident risk.

If the chain is too loose: Refer to the section titled

“Adjusting saw chain tension” and adjust the saw chain

tension again.

Checking the switch action

CAUTION:

Before plugging in the tool, always check to see that the

switch trigger actuates properly and returns to the “OFF”

position when released.

To prevent the switch trigger from being accidentally

pulled, a lock-off button is provided.

To start the tool, depress the lock-off button and pull the

switch trigger. Release the switch trigger to stop.

Do not pull the switch trigger hard without depressing the

lock-off button. This may cause switch breakage.

Checking the chain brake

NOTE:

• If the chain saw fails to start, check whether the chain

brake is released. To release the chain brake, pull the

hand guard backwards firmly until you feel it engage.

(Fig. 23 & 24)

Check the chain brake as follows:

1. Hold the chain saw with both hands when switching it

on. Hold the rear handle with your right hand, the front

handle with your left. Make sure that the bar and the

chain do not contact with any object.

2. First press the lock-off button, then the switch trigger.

The saw chain starts immediately.

3. Press the front hand guard forwards using the back of

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

immediate standstill.

CAUTION:

• If the saw chain does not stop immediately, do not use

the saw under any circumstances. Consult Makita

authorized service centers.

Checking the run-down brake

Switch on the chain saw.

Release the switch trigger completely. Make sure the saw

chain comes to a standstill within a second.

CAUTION:

• If the saw chain does not stop immediately, do not use

the saw under any circumstances. Consult Makita

authorized service centers.

Checking the chain oiler

Before starting work, check the oil level in the tank, and

the oil delivery.

The oil level can be seen in the oil level sight shown in the

figure. (Fig. 25)

Check the oil delivery as follows:

Start the chain saw.

With the saw running, hold the saw chain approximately

15 cm above a tree trunk or the ground. If lubrication is

adequate, the oil spray will produce a light oil trace.

Observe the wind direction, and do not expose yourself to

the oil spray unnecessarily.

CAUTION:

• If an oil trace is not formed, do not use the saw. The

lifespan of the chain will otherwise be reduced. Check

the oil level. Clean the oil feed groove and the oil feed

hole in the bar (refer to “MAINTENANCE”).

Adjusting the chain lubrication (Fig. 26)

You can adjust the oil pump feed rate with the adjusting

screw.

WORKING WITH THE CHAIN SAW

CAUTION:

• Always use a front handle and rear handle and firmly

hold the tool by both front handle and rear handle

during operations.

15

• Always secure the timber to be cut, otherwise the cut

fragments may cause personal injury.

Bucking (Fig. 27)

For bucking cuts, rest the spike bumper shown in the

figure on the wood to be cut.

With the saw chain running, saw into the wood, using the

rear handle to raise the saw and the front one to guide it.

Use the spike bumper as a pivot.

Continue the cut by applying slight pressure to the front

handle, easing the saw back slightly. Move the spike

bumper further down the timber and raise the front handle

again.

When making several cuts, switch the chain saw off

between cuts.

CAUTION:

• If the upper edge of the bar is used for cutting, the

chain saw may be deflected in your direction if the

chain becomes trapped. For this reason, cut with the

lower edge, so that the saw will be deflected away from

your body. (Fig. 28)

Cut wood under tension on the pressure side (A) first.

Then make the final cut on the tension side (B). This

prevents the bar from becoming trapped. (Fig. 29)

Limbing

CAUTION:

• Limbing may only be performed by trained persons. A

hazard is presented by the risk of kick-back.

When limbing, support the chain saw on the trunk if

possible. Do not cut with the tip of the bar, as this presents

a risk of kickback.

Pay particular attention to branches under tension. Do not

cut unsupported branches from below.

Do not stand on the felled trunk when limbing.

Burrowing and parallel-to-grain cuts

CAUTION:

• Burrowing and parallel-to-grain cuts may only be

carried out by persons with special training. The

possibility of kickback presents a risk of injury.

Perform parallel-to-grain cuts at as shallow an angle as

possible. Carry out the cut as carefully as possible, as the

spike bumper cannot be used. (Fig. 30)

Felling

CAUTION:

• Felling work may only be performed by trained

persons. The work is hazardous.

Observe local regulations if you wish to fell a tree.

(Fig. 31)

– Before starting felling work, ensure that:

(1) Only persons involved in the felling operation are in

the vicinity;

(2) Any person involved has an unhindered path of

retreat through a range of approximately 45° either

side of the felling axis. Consider the additional risk

of tripping over electrical cables;

(3) The base of the trunk is free of foreign objects,

roots and ranches;

(4) No persons or objects are present over a distance

of 2 1/2 tree lengths in the direction in which the

tree will fall.

– Consider the following with respect to each tree:

• Direction of lean;

• Loose or dry branches;

• Height of the tree;

• Natural overhang;

• Whether or not the tree is rotten.

– Consider the wind speed and direction. Do not carry

out felling work if the wind is gusting strongly.

– Trimming of root swellings: Begin with the largest

swellings. Make the vertical cut first, then the horizontal

cut.

– Cut a scarf: The scarf determines the direction in which

the tree will fall, and guides it. It is made on the side

towards which the tree is to fall. Cut the scarf as close

to the ground as possible. First make the horizontal cut

to a depth of 1/5 -1/3 of the trunk diameter. Do not

make the scarf too large. Then make the diagonal cut.

(Fig. 32)

– Cut any corrections to the scarf across its entire width.

– Make the back cut a little higher than the base cut of

the scarf. The back cut must be exactly horizontal.

Leave approximately 1/10 of the trunk diameter

between the back cut and the scarf.

The wood fibers in the uncut trunk portion act as a

hinge. Do not cut right through the fibers under any

circumstances, as the tree will otherwise fall

unchecked. Insert wedges into the back cut in time.

(Fig. 33)

– Only plastic or aluminum wedges may be used to keep

the back cut open. The use of iron wedges is

prohibited.

– Stand to the side of the falling tree. Keep an area clear

to the rear of the falling tree up to an angle of 45° either

side of the tree axis (refer to the “felling area” figure).

Pay attention to falling branches.

– An escape path should be planned and cleared as

necessary before cuts are started. The escape path

should extend back and diagonally to the rear of the

expected line of fall as illustrated in figure. (Fig. 34)

MAINTENANCE

CAUTION:

• Always be sure that the tool is switched off and

unplugged before attempting to perform inspection or

maintenance.

• Always wear gloves when performing any inspection or

maintenance.

• Never use gasoline, benzine, thinner, alcohol or the

like. Discoloration, deformation or cracks may result.

Carry out the maintenance work described below at

regular intervals. Warranty claims will be accepted only if

these operations have been performed regularly and

properly.

Only maintenance work described in this instruction

manual may be performed by the user. Any other work

must be carried out by MAKITA authorized service

centers.

16

Cleaning the chain saw

Clean the saw regularly with a clean rag. The handles, in

particular, must be kept free of oil.

Checking the plastic housing

Carry out regular visual inspections of all parts of the

housing. If any parts are damaged, have them repaired

immediately and properly in MAKITA authorized service

centers.

Sharpening the saw chain

CAUTION:

• Always withdraw the mains plug and wear safety

gloves when performing work on the saw chain.

Sharpen the saw chain when: (Fig. 35)

– Mealy sawdust is produced when damp wood is cut;

– The chain penetrates the wood with difficulty, even

when heavy pressure is applied;

– The cutting edge is obviously damaged;

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

reason for this behavior is uneven sharpening of the

saw chain, or damage to one side only.

Sharpen the saw chain frequently, but remove only a

little material each time.

Two or three strokes with a file are usually sufficient for

routine resharpening. When the saw chain has been

resharpened several times, have it sharpened in MAKITA

authorized service center.

Sharpening criteria:

– All cutter length must be equal. Cutters of differing

length prevent the chain from running smoothly, and

may cause the chain to break.

– Do not sharpen the chain once a minimum cutter length

of 3 mm has been reached. A new chain must then be

fitted.

– 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 91PX: 0.65 mm (Fig. 36)

WARNING:

• An excessive distance increases the risk of kick-back.

– The sharpening angle of 30° must be the same on all

cutters. Differences in angle cause the chain to run

roughly and unevenly, accelerate wear, and lead to

chain breaks.

– The side plate angle of the cutter is determined by the

depth of penetration of the round file. If the specified

file is used properly, the correct side plate angle is

produced automatically.

– Side plate angle for each saw chain are as follows:

Chain blade 91PX: 80° (Fig. 37)

File and file guiding

– Use a special round file (optional accessory) for saw

chains to sharpen the chain. Normal round files are not

suitable.

– Diameter of the round file for each saw chain is as

follows:

Chain blade 91PX: 4.0 mm

– The file should only engage the cutter on the forward

stroke. Lift the file off the cutter on the return stroke.

– Sharpen the shortest cutter first. Then the length of this

shortest cutter becomes the standard for all other

cutters on the saw chain.

– Guide the file as shown in the figure. (Fig. 38)

– The file can be guided more easily if a file holder

(optional accessory) is employed. The file holder 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 file diameter).

(Fig. 39)

– After sharpening the chain, check the height of the

depth gauge using the chain gauge tool (optional

accessory). (Fig. 40)

– Remove any projecting material, however small, with a

special flat file (optional accessory).

– Round off the front of the depth gauge again.

Cleaning the guide bar and lubricating the

return sprocket

CAUTION:

• Always wear safety gloves for this task. Burrs present a

risk of injury.

Check the running surfaces of the bar regularly for

damage. Clean using a suitable tool, and remove burrs if

necessary. (Fig. 41)

If the chain saw receives frequent use, lubricate the return

sprocket bearing at least once a week. Before adding new

fresh grease, carefully clean the 2 mm hole on the tip of

the guide bar, then force a small quantity of multi-purpose

grease (optional accessory) into the hole.

Cleaning the oil guide (Fig. 42)

– Clean the oil guide groove and the oil feed hole in the

bar at regular intervals.

New saw chains

Use two or three saw chains alternately, so that the saw

chain, sprocket and running surfaces of the bar wear

evenly.

Turn the bar over when changing the chain so that the bar

groove wears evenly.

CAUTION:

• Only use chains and bars which are approved for this

model of saw (refer to “SPECIFICATIONS”).

Before fitting a new saw chain, check the condition of the

sprocket. (Fig. 43)

CAUTION:

• A worn sprocket damages a new saw chain. Have the

sprocket replaced in this case.

Always fit a new locking ring when replacing the sprocket.

Maintaining the chain and run-down

brakes

The braking systems are very important safety features.

Like any other component of the chain saw, they are

subject to a certain degree of wear. They must be

inspected regularly by MAKITA authorized service

centers. This measure is for your own safety.

17

Replacing carbon brushes

Remove and check the carbon brushes regularly. Replace

when they wear down to the limit mark. Keep the carbon

brushes clean and free to slip in the holders. Both carbon

brushes should be replaced at the same time. Use only

identical carbon brushes. (Fig. 44)

Use a screwdriver to remove the brush holder caps. Take

out the worn carbon brushes, insert the new ones and

secure the brush holder caps.

After replacing brushes, plug in the tool and break in

brushes by running tool with no load for about 10 minutes.

(Fig. 45)

Storing tool

Biologically degradable saw chain oil can only be kept for

a limited period. Beyond two years after manufacture,

biological oils begin to acquire an adhesive quality, and

cause damage to the oil pump and components in the

lubricating system.

– Before taking the chain saw out of service for a longer

period, empty the oil tank and fill it with a small quantity

of engine oil (SAE 30).

– Run the chain saw briefly to flush all residue of the

biological oil out of the tank, lubricating system and

saw mechanism.

NOTE:

• When the chain saw is taken out of service, small

quantities of chain oil leaks from it for some time

afterwards. This is normal, and is not a sign of a fault.

Store the chain saw on a suitable surface.

Before returning the chain saw to service, fill up with fresh

BIOTOP saw chain oil.

To maintain product SAFETY and RELIABILITY, repairs,

any other maintenance or adjustment should be

performed by Makita Authorized Service Centers, always

using Makita replacement parts.

TROUBLE SHOOTING

Before asking for repairs, conduct your own inspection

first. If you find a problem that is not explained in the

manual, do not attempt to dismantle the tool. Instead, ask

Makita Authorized Service Centers.

014314

OPTIONAL ACCESSORIES

CAUTION:

• These accessories or attachments are recommended

for use with your Makita tool specified in this manual.

The use of any other accessories or attachments might

present a risk of injury to persons. Only use accessory

or attachment for its stated purpose.

If you need any assistance for more details regarding

these accessories, ask your local Makita Service Center.

• Saw chain

• Guide bar cover

• Guide bar

• Saw chain oil

NOTE:

• Some items in the list may be included in the tool

package as standard accessories. They may differ

from country to country.

Noise ENG905-1

The typical A-weighted noise level determined according

to EN60745:

Sound pressure level (LpA): 90.8 dB (A)

Sound power level (LWA): 101.8 dB (A)

Uncertainty (K): 2.5 dB (A)

Wear ear protection.

Vibration ENG900-1

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

according to EN60745:

Work mode: cutting wood

Vibration emission (ah): 5.2 m/s2

Uncertainty (K): 1.5 m/s2

Malfunction status Possible cause Remedy

The chain saw does not start.

No power supply. Connect to the power supply.

Check the power supply.

Cable defective. Stop using the tool immediately, and ask your local

authorized service center.

Tool malfunction. Stop using the tool immediately, and ask your local

authorized service center.

Chain does not run. Chain brake is engaged. Release chain brake.

Insufficient performance. Carbon brush worn down. Ask your local authorized service center for repair.

No oil on the chain.

Oil tank is empty. Fill the oil tank.

Oil guide groove is dirty. Clean the groove.

Oil pump adjusting screw

incorrectly adjusted. Adjust the oil pump feed rate.

Chain does not stop even the

chain brake is engaged. Brake band worn down. Stop using the tool immediately, and ask your local

authorized service center.

The tool vibrates abnormally.

Loose guide bar or saw chain. Adjust the guide bar and saw chain tension.

Tool malfunction. Stop using the tool immediately, and ask your local

authorized service center.

18

ENG901-1

• The declared vibration emission value has been

measured in accordance with the standard test method

and may be used for comparing one tool with another.

• The declared vibration emission value may also be

used in a preliminary assessment of exposure.

WARNING:

• The vibration emission during actual use of the power

tool can differ from the declared emission value

depending on the ways in which the tool is used.

• Be sure to identify safety measures 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 off and when it is running idle in addition to

the trigger time).

For European countries only ENH021-8

EC Declaration of Conformity

Makita declares that the following Machine(s):

Designation of Machine:

Chain Saw

Model No./Type: UC3050A, UC3550A, UC4050A,

UC4550A, UC3051A, UC3551A, UC3550AP,

UC4051A, UC4551A

Specifications: see “SPECIFICATIONS” table.

Conforms to the following European Directives:

2000/14/EC, 2006/42/EC

They are manufactured in accordance with the following

standard or standardized documents:

EN60745

The Technical file in accordance with 2006/42/EC is

available from:

Makita, Jan-Baptist Vinkstraat 2, 3070, Belgium

The conformity assessment procedure required by

Directive 2000/14/EC was in Accordance with annex V.

Measured Sound Power Level: 101.9 dB (A)

Guaranteed Sound Power Level: 103 dB (A)

8. 5. 2014

Yasushi Fukaya

Director

Makita, Jan-Baptist Vinkstraat 2, 3070, Belgium

19

FRANÇAIS (Instructions d’origine)

Descriptif

SPÉCIFICATIONS

• Étant donné l’évolution constante de notre programme de recherche et de développement, les spécifications

contenues dans ce manuel sont sujettes à des modifications sans préavis.

• Les spécifications peuvent varier suivant les pays.

• Poids conforme à la procédure EPTA 01/2003

Symbole END218-7

Les symboles utilisés pour l’appareil sont indiqués ci-

dessous. Assurez-vous d’avoir bien compris leur

signification avant d’utiliser l’appareil.

...... Veuillez lire le mode d’emploi et

respecter les mises en garde et

consignes de sécurité.

...... Portez des lunettes de protection.

........ Portez des protections auditives.

................ DOUBLE ISOLATION

.................. Attention : la prudence et une attention

particulière sont exigées !

.................. Attention : débranchez immédiatement

l’outil si son cordon est endommagé !

.................. Attention : choc en retour !

1. Frein de chaîne serré

2. Frein de chaîne desserré

3. Poignée arrière

4. Gâchette

5. Poignée avant

6. Carter de protection de la poignée

avant

7. Guide-chaîne

8. Chaîne

9. Levier

10. Cadran/vis de réglage

11. Carter du pignon

12. Carter de protection de la poignée

arrière

13. Butée à crampons

14. Viseur du niveau d’huile

15. Bouchon de remplissage d’huile

16. Bouton de sécurité

17. Attrape-chaîne

18. Protecteur de guide-chaîne

19. Crochet du cordon

20. Vis de réglage pour la pompe à

huile (en bas)

21. Vis de réglage

22. Cadran de réglage

23. Pignon

24. Orifice

25. Crochet

26. Broche

27. Desserrer

28. Serrer

29. Vis de réglage de la chaîne

30. Cordon d’alimentation de l’outil

31. Rallonge électrique

32. Fiche et prise (la forme peut

différer d’un pays à l’autre)

33. Bandoulière

34. Verrouiller

35. Déverrouiller

36. Zone d’abattage

37. Sens d’abattage

38. Zone de danger

39. Chemin d’évacuation

40. Longueur de coupe

41. Distance entre la face de coupe

et la jauge de profondeur

42. 3 mm au minimum

43. Angle d’attaque latérale

44. Rainure de guidage d’huile

45. Orifice de débit d’huile

46. Repère d’usure

47. Bouchon de porte-charbon

48. Tournevis

Modèle

UC3050A UC3051A UC3550A UC3550AP UC3551A UC4050A UC4051A UC4550A UC4551A

Vitesse max. de la chaîne 14,5 m/s (870 m/min)

Guide-chaîne

standard

Longueur du

guide-chaîne 300 mm 350 mm 400 mm 450 mm

Longueur de

coupe 260 mm 320 mm 355 mm 415 mm

Type de

guide-chaîne Guide à pignon de renvoi

Chaîne

standard

Type 91PX

Hauteur 3/8”

Nombre de

maillons

d’entraîneme

nt

46 52 56 62

Longueur du guide-chaîne

recommandé 300 - 450 mm

Longueur totale

(sans guide-chaîne) 505 mm

Poids net 5,4 kg 5,5 kg 5,5 kg 5,6 kg 5,5 kg 5,6 kg 5,7 kg

Cordon prolongateur

(en option) DIN 57282/HO 7RN -F L = 30 m max., 3 x 1,5 mm2

20

................ Protégez l’outil contre la pluie et

l’humidité !

................ Portez un casque protecteur, des

lunettes de sécurité et des protections

d’oreilles !

................ Portez des gants de travail !

................ Débranchez l’outil !

................. Premiers soins

........ Longueur maximale de coupe permise

........ Sens de rotation de la chaîne

.................. Huile à chaîne

.......... Frein de chaîne desserré

.......... Frein de chaîne serré

................ Interdit !

............... Pour les pays européens uniquement

Ne pas jeter les appareils électriques

dans les ordures ménagères !

Conformément à la directive européenne

relative aux déchets d’équipements

électriques et électroniques (DEEE), et à

sa transposition dans la législation

nationale, les appareils électriques

doivent être collectés à part et être

soumis à un recyclage respectueux de

l’environnement.

Utilisations ENE085-1

L’outil est conçu pour la coupe du petit bois d’œuvre et

des rondins.

Alimentation ENF002-2

L’outil ne doit être raccordé qu’à une alimentation de la

même tension que celle qui figure sur la plaque

signalétique, et il ne peut fonctionner que sur un courant

secteur monophasé. Réalisé avec une double isolation, il

peut de ce fait être alimenté sans mise à la terre.

Consignes de sécurité générales

des outils électriques GEA010-1

AVERTISSEMENT Veuillez lire toutes les

consignes de sécurité et les instructions. Il y a un

risque de choc électrique, d’incendie et/ou de blessure

grave si les consignes et les instructions ne sont pas

toutes respectées.

Conservez toutes les consignes

et instructions pour référence

ultérieure.

Avertissements de sécurité

relatifs à la tronçonneuse GEB037-8

1. Éloignez l’ensemble du corps de la chaîne lorsque

la tronçonneuse est en fonctionnement. Avant de

démarrer la tronçonneuse, assurez-vous que la

chaîne n’est en contact avec aucun objet. Un

instant d’inattention pendant le fonctionnement de la

tronçonneuse risque de provoquer l’accrochage de

vos vêtements ou d’une partie du corps par la chaîne.

2. Tenez toujours la tronçonneuse en plaçant la main

droite sur la poignée arrière et la main gauche sur

la poignée avant. Si vous tenez la tronçonneuse

selon une configuration inverse des mains, vous

augmentez le risque de blessure corporelle et vous

devez toujours l’éviter.

3. Tenez l’outil électrique par ses surfaces de prise

isolées uniquement car la chaîne peut entrer en

contact avec des fils cachés ou son propre cordon

d’alimentation. Les chaînes qui entrent en contact

avec un fil sous tension peuvent mettre les parties

métalliques exposées de l’outil sous tension, risquant

ainsi de provoquer un choc électrique chez

l’utilisateur.

4. Portez des lunettes de sécurité et des protections

d’oreilles. Il est recommandé de porter également

un équipement de protection pour la tête, les

mains, les jambes et les pieds. Des vêtements de

protection adéquats réduiront les blessures

corporelles dues à des débris volants ou un contact

accidentel avec la chaîne.

5. Ne faites pas fonctionner la tronçonneuse dans un

arbre. Le fonctionnement de la tronçonneuse dans un

arbre peut entraîner des blessures corporelles.

6. Conservez toujours une bonne prise au sol et

faites fonctionner la tronçonneuse uniquement

lorsque vous vous trouvez sur une surface fixe,

sûre et plane. Les surfaces glissantes ou instables,

telles que des échelles, risquent de provoquer une

perte d’équilibre ou de contrôle de la tronçonneuse.

7. Lorsque vous coupez une branche sous tension,

méfiez-vous du retour. Lorsque la tension des fibres

de bois est relâchée, la branche sous l’effet du ressort

risque de heurter l’opérateur et/ou de renvoyer la

tronçonneuse de manière incontrôlée.

8. Soyez extrêmement vigilant lorsque vous coupez

des broussailles et de jeunes arbres. Les petites

branches risquent de s’accrocher à la chaîne et de

vous fouetter ou de vous déséquilibrer.

9. Transportez la tronçonneuse par la poignée avant

après l’avoir désactivée et éloignée de votre

corps. Lors du transport ou du stockage de la

tronçonneuse, installez toujours le protecteur de

guide-chaîne. Une manipulation correcte de la

tronçonneuse réduira les risques de contact

accidentel lorsque la chaîne est en mouvement.

10. Suivez les instructions de lubrification, de tension

de la chaîne et de changement des accessoires.

Une chaîne mal tendue ou mal lubrifiée risque de se

briser ou d’augmenter les risques de choc en retour.

11. Gardez les poignées de l’outil sèches, propres et

exemptes d’huile ou de graisse. Des poignées

graisseuses ou huileuses sont glissantes et risquent

de provoquer une perte de contrôle.

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