Makita RBC2510 Manuel utilisateur

Marque: Makita

Modèle: RBC2510

Catégorie: Coupe-herbe

Taper: Manuel utilisateur

Ce manuel convient également à

RBC2500

Important:

Read this instruction manual carefully before putting the Brush Cutter/String Trimmer into operation and strictly observe the safety regulations!

Preserve instruction manual carefully!

Important :

Lisez attentivement les instructions du présent manuel avant de vous servir de la débroussailleuse thermique pour la première fois, et

respectez à la lettre les consignes de sécurité ! Conservez précieusement ce manuel d’instructions !

Importante:

Lea esta manual de instrucciones con atención antes de utilizar la desbrozadora y ¡observe estrictamente las regulaciones de seguridad!

¡Conserve cuidadosamente su manual de instrucciones!

RBC2500 RBC2510

Owner’s and Safety Manual

for Brush Cutter/String Trimmer

Manuel d’emploi et de sécurité

du Débroussailleuse Thermique

Manual de empleo y de seguridad

para Desbrozadora

ENGLISH (Original instructions)

Thank you very much for purchasing the MAKITA Brush Cutter/String trimmer. We

are pleased to recommend to you the MAKITA Brush Cutter/String trimmer which

is the result of a long development programme and many years of knowledge and

experience.

Please read this booklet which refers in detail to the various points that will

demonstrate its outstanding performance. This will assist you to obtain the best

possible result from your MAKITA Brush Cutter/String trimmer.

SYMBOLS

You will note the following symbols when reading the instructions manual.

Read instruction Manual

Wear eye and ear protection

(for String trimmer only)

Take Particular care and Attention

Wear protective helmet, eye and ear

protection (for Brush Cutter only)

Forbidden

Do not use metal blades

(for String trimmer only)

Keep distance Top permissible tool speed

Flying object hazard Fuel and oil mixture

No Smoking Engine-Manual start

No open flame Emergency stop

Protective gloves must be worn First Aid

Kickback Recycling

Keep the area of operation clear of all

persons and pets

ON/START

Wear sturdy boots with nonslip

soles. Steel toed safety boots are

recommended.

OFF/STOP

Table of Contents Page

Symbols .........................................................................2

Safety instructions .........................................................3

Technical data ...............................................................7

Designation of parts.......................................................8

Assembly of engine and shaft .......................................9

Mounting of handle ......................................................10

Mounting of protector...................................................11

Mounting of cutter blade or nylon cutting head............12

Fuels/refueling .............................................................13

Correct handling of machine........................................14

Points in operation and how to stop ............................14

Resharpening the cutting tool ......................................15

Servicing instructions...................................................17

Storage ........................................................................19

(1)

(3)

(2)

(4)

(5)

(6)

General Instructions

To ensure correct operation, user has to read this instruction manual to make –

himself familiar with the handling of the Brush Cutter/String trimmer. Users

insufficiently informed will risk danger to themselves as well as others due to

improper handling.

It is recommended only to lend the Brush Cutter/String trimmer to people who –

have proven to be experienced with Brush Cutter/String trimmers.

Always hand over the instruction manual.

First users should ask the dealer for basic instructions to familiarize oneself with –

the handling of an engine powered cutter.

Children and young persons aged under 18 years must not be allowed to operate –

the Brush Cutter/String trimmer. Persons over the age of 16 years may however

use the device for the purpose of being trained only whilst under supervision of a

qualified trainer.

Use Brush Cutter/String trimmers with the utmost care and attention. –

Operate the Brush Cutter/String trimmer only if you are in good physical condition. –

Perform all work calmly and carefully. The user has to accept liability for others.

Never use the Brush Cutter/String trimmer after consumption of alcohol or drugs, –

or if feeling tired or ill.

Intended use of the machine

The Brush Cutter/String trimmer is only intended for cutter grass, weeds, Bushes, –

undergrowth it should not be used for any other purpose such as Edging or hedge

cutting as this may cause injury.

Personal protective equipment

The clothing worn should be functional and appropriate, i.e. it should be tight- –

fitting but not cause hindrance. Do not wear either jewelry or clothing which could

become entangled with bushes or shrubs.

In order to avoid either head-, eye-, hand-or foot injuries as well as to protect your –

hearing the following protective equipment and protective clothing must be used

during operation of the Brush Cutter/String trimmer.

Always wear a helmet where there is a risk of falling objects. The protective –

helmet (1) is to be checked at regular intervals for damage and is to be replaced

at the latest after 5 years. Use only approved protective helmets.

The visor (2) of the helmet (or alternatively goggles) protects the face from flying –

debris and stones. During operation of the Brush Cutter/String trimmer always

wear goggles, or a visor to prevent eye injuries.

Wear adequate noise protection equipment to avoid hearing impairment (ear –

muffs (3), ear plugs etc.).

The work overalls (4) protect against flying stones and debris. We strongly –

recommend that the user wears work overalls.

Special gloves (5) made of thick leather are part of the prescribed equipment and –

must always be worn during operation of the Brush Cutter/String trimmer.

When using the Brush Cutter/String trimmer, always wear sturdy shoes (6) with a –

non-slip sole. This protects against injuries and ensures a good footing.

Starting up the brush cutter

Please make sure that there are no children or other people within a working –

range of 15 meters (49ft), also pay attention to any animals in the working vicinity.

Before use always check that the Brush Cutter/String trimmer is safe for –

operation:

Check the security of the cutting tool, the control lever for easy action and check

for proper functioning of the control lever lock.

Rotation of the cutting tool during idling speed is not allowed. Check with your –

dealer for adjustment if in doubt. Check for clean and dry handles and test the

function of the start/stop switch.

SAFETY INSTRUCTIONS

Diagrammatic figure

15 meters

Start the Brush Cutter/String trimmer only in accordance with the instructions.

Do not use any other methods for starting the engine! –

Use the Brush Cutter/String trimmer and the tools only for such applications as –

specified.

Only start the Brush Cutter/String trimmer engine, after the entire assembly –

is done. Operation of the device is only permitted after all the appropriate

accessories are attached!

Before starting make sure that the cutting tool has no contact with hard objects –

such as branches, stones etc. as the cutting tool will revolve when starting.

The engine is to be switched off immediately in case of any engine problems. –

Should the cutting tool hit stones or other hard objects, immediately switch off the –

engine and inspect the cutting tool.

Inspect the cutting tool at short regular intervals for damage (detection of hairline –

cracks by means of tapping-noise test).

Operate the Brush Cutter/String trimmer only with the shoulder strap attached –

which is to be suitably adjusted before putting the Brush Cutter/ String trimmer

into operation. It is essential to adjust the shoulder strap according to the user’s

size to prevent fatigue occurring during use. Never hold the cutter with one hand

during use.

During operation always hold the Brush Cutter/String trimmer with both hands. –

Always ensure a safe footing.

Operate the Brush Cutter/String trimmer in such a manner as to avoid inhalation –

of the exhaust gases. Never run the engine in enclosed rooms (risk of gas

poisoning). Carbon monoxide is an odorless gas.

Switch off the engine when resting and when leaving the Brush Cutter/ String –

trimmer unattended, and place it in a safe location to prevent danger to others or

damage to the machine.

Never put the hot Brush Cutter/String trimmer onto dry grass or onto any –

combustible materials.

The cutting tool has to be equipped with it’s appropriate guard. –

Never run the cutter without this guard!

All protective installations and guards supplied with the machine must be used –

during operation.

Never operate the engine with faulty exhaust muffler. –

Shut off the engine during transport. –

During transport over long distances the tool protection included with the –

equipment must always be used.

Ensure safe position of the Brush Cutter/String trimmer during car transportation –

to avoid fuel leakage.

When transporting the Brush Cutter/String trimmer, ensure that the fuel tank is –

completely empty.

When unloading the Brush Cutter/String trimmer from the truck, never drop the –

Engine to the ground or this may severely damage the fuel tank.

Except in case of emergency, never drop or cast the Brush Cutter/String trimmer –

to the ground or this may severely damage the Brush Cutter/String trimmer.

Remember to lift the entire equipment from the ground when moving the –

equipment. Dragging the fuel tank is highly dangerous and will cause damage

and leakage of fuel, possibly causing fire.

Refuelling

Shut off the engine during refuelling, keep away from open flames and do not –

smoke.

Avoid skin contact with mineral oil products. Do not inhale fuel vapor. Always –

wear protective gloves during refuelling. Change and clean protective clothing at

regular intervals.

Take care not to spill either fuel or oil in order to prevent soil contamination –

(environmental protection). Clean the Brush Cutter/String trimmer immediately

after fuel has been spilt.

Avoid any fuel contact with your clothing. Change your clothing instantly if fuel –

has been spilt on it (to prevent clothing catching fire).

Inspect the fuel cap at regular intervals making sure that it can be securely –

fastened and does not leak.

Carefully tighten the fuel tank cap. Change location to start the engine (at least –

3 meters away from the place of refuelling).

Never refuel in closed rooms. Fuel vapors accumulate at ground lever (risk of –

explosions).

Only transport and store fuel in approved containers. Make sure the fuel stored is –

not accessible to children.

Resting•

Transport•

Refuelling•

Maintenance•

Tool Replacement•

3 meters

Method of operation

Only use the Brush cutter/String trimmer in good light and visibility. During the –

winter season beware of slippery or wet areas, ice and snow (risk of slipping).

Always ensure a safe footing.

Never cut above waist height. –

Never stand on a ladder and run the Brush cutter/String trimmer. –

Never climb up into trees to perform cutting operation with the Brush cutter/ String –

trimmer.

Never work on unstable surfaces. –

Remove sand, stones, nails etc. found within the working range. –

Foreign particles may damage the cutting tool and can cause dangerous kick-

backs.

Before commencing cutting, the cutting tool must have reached full working –

speed.

Caution:

Kickback

Diagrammatic

figure

Diagrammatic

figure

Kickback prevention

To avoid kickbacks, observe the following:

Operation within a blade segment between 12 and 2 o’clock presents positive –

hazards, especially when using metal cutting tools.

Cutting operations within a blade segment between 11 and 12 o’clock, and –

between 2 and 5 o’clock, must only be performed by trained and experienced

operators, and then only at their own risk.

Easy cutting with almost no kickback is possible within a blade segment between

8 and 11 o’clock.

Cutting Tools

Employ only the correct cutting tool for the job in hand.

RBC2500 with cutter blade (Star Blade (4 teeth), Eddy Blade (8 teeth)), RBC2510

with Nylon cutting head.

For cutting thick materials, such as weed, high grass, bushes, shrubs, underwood,

thicket etc. (max. 2 cm dia. thickness). Perform this cutting work by swinging the

brush cutter evenly in half-circles from right to left (similar to using a scythe).

Maintenance instructions

The condition of the cutter, in particular of the cutting tool of the protective devices –

and also of the shoulder strap must be checked before commencing work.

Particular attention is to be paid to the cutting blades which must be correctly

sharpened.

Turn off the engine and remove spark plug connector when replacing or –

sharpening cutting tools, and also when cleaning the cutter or cutting tool.

Kickback (blade thrust)

When operating the brush cutter, uncontrolled kickback may occur. –

This is particularly the case when attempting to cut within a blade segment –

between 12 and 2 o’clock.

Never apply the brush cutter within a segment between 12 and 2 o’clock. –

Never apply this segment of the brush cutter blade to solids, such as bushes –

and trees, etc., having a diameter in excess of 3 cm or the brush cutter will be

deflected at great force with the risk of injuries.

Never straighten or weld damaged cutting tools.

Operate the Brush cutter/String trimmer with as little noise and contamination as –

possible. In particular check the correct setting of the carburetor.

Clean the Brush cutter/String trimmer at regular intervals and check that all –

screws and nuts are well tightened.

Never service or store the Brush cutter/String trimmer in the vicinity of naked –

flames.

Always store the Brush cutter/String trimmer in locked rooms and with an emptied –

fuel tank.

Observe the relevant accident prevention instructions issued by the relevant trade

associations and by the insurance companies.

Do not perform any modifications on the Brush cutter/String trimmer as this will

endanger your safety.

The performance of maintenance or repair work by the user is limited to those

activities as described in the instruction manual. All other work is to be done by an

Authorized Service Agent. Use only genuine spare parts and accessories released

and supplied by MAKITA.

Use of non-approved accessories and tools means increased risk of accidents.

MAKITA will not accept any liability for accidents or damage caused by the use of

non-approved cutting tools and fixing devices of cutting tools, or accessories.

First Aid

In case of accident make sure that a first-aid box is available in the vicinity of the

cutting operations. Immediately replace any item taken from the first aid box.

When asking for help, please give the following information:

Place of accident –

What happened –

Number of injured persons –

Kind of injuries –

Your name –

Packaging

The MAKITA Brush cutter/String trimmer will be delivered in two protective

cardboard boxes to prevent transport damage. Cardboard is a basic raw material

and is therefore consequently reusable or suitable for recycling (waste paper

recycling).

TECHNICAL DATA RBC2500, RBC2510

Model

RBC2500 RBC2510

U handle Loop handle

Dimensions : length x width x height (without cutting blade) mm 1,770 x 620 x 410 1,770 x 340 x 220

Mass (without plastic guard and cutting blade) kg 4.5 4.4

Volume (fuel tank) L 0.5

Engine displacement cc 24.5

Maximum engine performance HP 1.0 at 7,000/min

Engine speed at recommended max. spindle speed /min 8,800

Maximum spindle speed (corresponding) /min 6,000

Maximum fuel consumption kg/h —

Maximum specific fuel consumption g/HPh —

Idling speed /min 2,600

Clutch engagement speed /min 3,600

Carburetor type WALBRO WYJ

Ignition system type Solid state ignition

Spark plug type NGK BM7A

Electrode gap mm 0.6 – 0.7

Fuel

Mixed gas

(gasoline: Makita Genuine Two-stroke Engine Oil =50:1)

Gear ratio 14/19

DESIGNATION OF PARTS

GB DESIGNATION OF PARTS

1 Fuel Tank

2 Rewind Starter

3 Air Cleaner

4 I-O Switch (on/off)

5 Spark Plug

6 Exhaust Muffler

7 Clutch Case

8 Rear Grip

9 Hanger

10 Handle

11 Control Lever

12 Control Cable

13 Shaft

14 Protector (Cutting tool guard)

15 Gear Case

16 Handle Holder

17 Cutter Blade

18 Nylon Cutting Head

19 Fuel Filler Cap

20 Starter Knob

Primmer Pump

Choke Lever

Exhaust Pipe

Waist Pad

(7)

(3)

(19)

(1)

(21)

(5)

(22)

(20)

(2)

(6)

(23)

RBC2500

U Handle Type

RBC2510

Loop Handle Type

ASSEMBLY OF ENGINE AND SHAFT

CAUTION: Before doing any work on the brush cutter, always switch off the motor

and pull the spark plug connector off the spark plug.

Always wear protective gloves.

CAUTION: Start the brush cutter only after having assembled it completely.

Loosen the two bolts (1) and insert the main pipe (2) into the case clutch (3). –

Insert it up to the arrow-mark position. (Refer to the sketch on the right.) –

If it is difficult to insert, turn the spline (4) a little and re-insert.

Tighten the two bolts (1) uniformly on the right and left by Allen wrench supplied. –

Arrow-mark

Swivel

Control cable

Round hole

End fitting

Connectors

How to mount the control cable

Remove the air cleaner cover. –

Put the control cable (5) into the adjusting cable (6). Shift the swivel (7) and put –

the cable into the swivel. At this time, be careful that the round hole in the swivel

is oriented toward the fitting at the inner wire end.

Release the swivel and make sure that the inner wire fitting is placed in the hole. –

Mount the air cleaner cover. –

Connection of the switch cord

Connect the switch cords to the two cords from the engine by inserting one into –

the other.

Fix the cord connector by clamp. –

Insert

MOUNTING OF HANDLE

CAUTION: Before doing any work on the brush cutter, always stop the engine and

pull the spark plug connector off the spark plug.

Always wear protective gloves!

CAUTION: Start the brush cutter only after having assembled it completely.

RBC2500

RBC2510

to Engine

For machines with Loop Handle models

Fix a barrier to the left side of the machine together with the handle for operator –

protection.

– Do not adjust position of the loop handle too close to the control grip.

– The standard position of the handle is 200 mm to 250 mm from the hanger.

For machines with U Handle models

Place the handle-fixing metal so that the handle with the control lever will be –

positioned on the right (the right-hand grip side) as viewed from the engine side,

and the other handle on the left side.

Fit the groove of the handle-fixing material to the handle end. Fix provisionally the –

attached metal by hexagon socket bolt supplied.

Adjust the handle to an easy-to-operate position, and tighten securely the four –

hexagon socket bolts uniformly on the right and left by Allen wrench.

Wrap the waist pad around the shaft so that the hanger (1) will protrude through –

the slit in the waist pad and the control cable and the cords (3) will also be

wrapped under the waist pad (2).

MOUNTING OF PROTECTOR

To meet the applicable safety provisions, only the tool/ protector combinations as

indicated in the table must be used.

Be sure to use genuine MAKITA cutter blades or nylon cutting head.

The cutter blade must be well polished, free of cracks or breakage. If the cutter –

blade hits against a stone during operation, stop the engine and check the blade

immediately.

Polish or replace the cutter blade every three hours of operation. –

If the nylon cutting head hits against a stone during operation, stop the engine –

and check the nylon cutting head immediately.

Star Blade Eddy Blade

CAUTION : The appropriate protector must always be installed, for your own safety

and in order to comply with accident-prevention regulations.

Operation of the equipment without the guard being in place is not

permitted.

Fix the protector (1) to the clamp (3) with two bolts M6 x 30 (2). –

Protector for metal blades Nylon cutting head Protector for cord cutter

When using the string head, fit the protector (6) into the protector (1), and tighten –

them with two nuts (5) and two screws (4).

MOUNTING OF CUTTER BLADE OR NYLON CUTTING HEAD

Turn the machine upside down, and you can replace the cutter blade or the nylon

cutting head easily.

Loosen Tighten

Hex wrench

Tighten

Loosen

Rotation

Insert the hex wrench through the hole in the gear case and rotate the receiver –

washer (3) until it is locked with the hex wrench.

Loosen the nut (1) (left-hand thread) with the socket wrench and remove the nut –

(1), and clamp washer (2).

With the hex wrench still in place.

Mount the cutter blade onto the shaft so that the guide of the receiver washer (3) –

fits in the arbor hole in the cutter blade. Install the clamp washer (2) and secure

the cutter blade with the nut (1).

[Tightening torque: 13 - 23 N-m]

NOTE: Always wear gloves when handling the cutter blade.

NOTE: The cutter blade-fastening nut (with spring washer) is a consumable part. If

there appears any wear or deformation on the spring washer, replace the

nut.

NOTE: The clamp washer (2), and nut (1) are not necessary for mounting the nylon

cutting head. The nylon head should go on top of the receiver washer (3).

Screw the nylon cutting head onto the shaft. –

Make sure that the blade is the left way up. –

FUELS/REFUELING

Handling fuel

Utmost care is required when handling fuel. Fuel may contain substances similar

to solvents. Refuel either in a well ventilated room or outdoors. Do not inhale fuel

vapors, avoid any contact of fuel or oil with your skin.

Mineral oil products degrease your skin. If your skin comes in contact with these

substances repeatedly and for an extended period of time, it will desiccate.

Various skin diseases may result. In addition, allergic reactions may occur.

Eyes can be irritated by contact with oil. If oil comes into your eyes, immediately

wash them with clear water. If your eyes are still irritated, see a doctor immediately.

Fuel and oil mixture

The engine of the brush cutter is a high-efficiency two-stroke engine. It is run with

a mixture of fuel and two-stroke engine oil. The engine is designed for unleaded

regular fuel with a min. octane value of 91 RON. In case no such fuel is available,

you can use fuel with a higher octane value. This will not affect the engine, but may

cause poor operating behaviour.

A similar situation will arise from the use of leaded fuel. To obtain optimum engine

operation and to protect your health and the environment, only unleaded fuel should

be used!

For lubricating the engine use a two-stroke engine oil (quality grade: TC-3), which is

added to the fuel. The engine has been designed to use specified two-stroke engine

oil at mixture ratio of 50:1 to protect the environment. In addition, a long service life

and a reliable operation with a minimum emission of exhaust gases is guaranteed.

It is absolutely essential to observe a mixture ratio of 50:1 (specified 2-stroke engine

oil), as otherwise reliable function of the brush cutter cannot be guaranteed.

Observe the Safety Instructions on page 4.

25:1

Gasoline

1,000 mL (1 L)

5,000 mL (5 L)

10,000 mL (10 L)

20 mL

40 mL

100 mL

200 mL

400 mL

50:1 25:1

The correct mixture ratio:

Gasoline: Specified two-stroke engine oil = 50:1 or

Gasoline: Other manufacturer’s two-stroke engine oil = 25:1

recommended

Note: For preparing the fuel-oil mixture first mix the entire oil quantity with half of

the fuel required, then add the remaining fuel. Thoroughly shake the mixture

before filling it into the brush cutter tank. It is not wise to add more engine oil

than specified to ensure safe operation.

This will only result in a higher production of combustion residues which

will pollute the environment and clog the exhaust channel in the cylinder

as well as the muffler. In addition, the fuel consumption will rise and the

performance will decrease.

Refuelling

The engine must be switched off.

Thoroughly clean the area around the fuel filler cap (2), to prevent dirt from –

getting into the fuel tank (1).

Unscrew the fuel filler cap (2) and fill the tank with fuel. –

Tightly screw on the fuel filler cap (2). –

Clean screw fuel filler cap (2) and tank after refueling. –

Storage of Fuel

Fuel cannot be stored for an unlimited period of time.

Purchase only the quantity required for a 4 week operating period. Only use

approved fuel storage containers.

CORRECT HANDLING OF MACHINE

Attachment of shoulder strap

Adjust the strap length so that the cutter blade will be kept parallel with the –

ground.

Hanger

POINTS IN OPERATION AND HOW TO STOP

Observe the applicable accident prevention regulations.

Starting

Move at least 3 m away from the place of refuelling. Place the brush cutter on a

clean piece of ground taking care that the cutting tool does not come into contact

with the ground or any other objects.

Cold start

For machine with U Handle or Loop Handle

Push the I-O switch (1) in the direction shown by the arrow. –

Detachment

In an emergency, push the notches (1) at both sides, and you can detach the –

machine from you.

Be extremely careful to maintain control of the machine at this time. Do not allow

the machine to be deflected toward you or anyone in the work vicinity.

WARNING: Failure to maintain complete control of the machine at all could result in

serious bodily injury or DEATH.

First place the machine on the ground. –

Give a gentle push on the primer pump (2) repeatedly (7 – 10 times) until fuel –

comes into the primer pump.

Push the choke lever (3) to the position “ –

”.

Firmly hold the clutch case by your left hand, as illustrated. –

Slowly pull the starter grip until resistance is felt and continue with a smart pull. –

Do not pull out the starter rope to its full extent and do not allow the starter handle –

to be retracted without control, but ensure that it is retracted slowly.

Repeat the starting operation until initial ignitions are heard. –

When the engine start, return the choke lever to “ –

”. Please note that the choke

lever will return to “ ”position automatically when the throttle lever is operated

and the throttle is opened.

(3)

(2)

Run the engine for approximately one minute at a moderate speed before applying full throttle. –

Note:

If the starter handle is pulled repeatedly when the choke lever remains at “ –

” position, the engine will not start easily due to

excessive fuel intake.

In case of excessive fuel intake, remove the spark plug and pull the starter handle slowly to remove excess fuel. Also,dry the electrode –

section of the spark plug.

Caution during operation:

If the throttle lever is opened fully in a no-load operation, the engine rotation is increased to 10,000/min or more. Never operate the engine at a

higher speed than required and at an approximate speed of 6,000 - 8,000/min.

Starting the warm engine

Same as above, except without moving the choke lever (choke lever remains in the position “ –

”).

RESHARPENING THE CUTTING TOOL

STOPPING

Release the throttle lever (6) fully, and when the engine rpm has lowered, push –

the I-O switch (1) to “O” position the engine will now stop.

Be aware that the cutting head may not stop immediately and allow it to slow –

down fully.

CAUTION: The cutting tools mentioned below must only be resharpened by an

authorized facility. Manual resharpening will result in imbalances of the

cutting tool causing vibrations and damage to the equipment.

cutter blade (star blade (4 teeth), eddy blade (8 teeth)) –

An expert resharpening and balancing service is provided by Authorized Service

Agents.

NOTE: To increase the service life of the cutter blade (star blade, eddy blade) it

may be turned over once, until both cutting edges have become blunt.

ADJUSTMENT OF LOW-SPEED ROTATION (IDLING)

The cutter blade or the nylon cutting head should not run when the control lever is fully released. If necessary, adjust the idle rpm using the idle

adjusting screw.

Checking the Idling speed

Idle speed should be set to 2,600/min. –

If necessary correct it by means of the idle screw (the blade or the nylon cutting

head must not turn when the engine is on idle).

Screwing in the screw (1) will cause an increase in the engine speed, whereas

backing off the screw will reduce the engine speed.

Slow High

NYLON CUTTING HEAD

The nylon cutting head is a dual string trimmer head capable of both automatic and

bump & feed mechanisms.

The nylon cutting head will automatically feed out the proper length of nylon cord by

the changes in centrifugal force caused by increasing or decreasing rpms. However,

to cut soft grass more efficiently, bump the nylon cutting head against the ground to

feed out extra cord as indicated under operation section.

Operation

Increase the nylon cutting head speed to approx. 6,000/min. –

Low speed (under 4,800/min) is not suitable, the nylon cord will not feed out

properly at low speed.

The most effective cutting area is shown by the shaded area. –

If the nylon cord does not feed out automatically proceed as follows:

1. Release the throttle lever to run the engine idle and then squeeze the throttle

lever fully. Repeat this procedure until the nylon cord feeds out to the proper

length.

2. If the nylon cord is too short to feed out automatically with the above procedure,

bump the knob of the nylon cutting head against the ground to feed out the

nylon cord.

3. If the nylon cord does not feed out with procedure 2, rewind/replace the nylon

cord by following the procedures described under “Replacing the nylon cord”.

Replacing the nylon cord

First, stop the engine. –

Press on the housing latches inward to lift off the cover, then remove the spool. –

Most effective cutting area

Idle speed Full speed

Knob

Cover

Latches

Press

Spool

80 mm (3-1/8”)

For left hand rotation

Spool

100 mm (3-15/16”)

Notches

Eyelets

Hook the center of new nylon cord into the notch in the center of the spool, with –

one end of the cord extending about 80 mm (3-1/8”) more than the other.

Then wind both ends firmly around the spool in the direction of the head rotation

(left-hand direction indicated by LH and right-hand direction by RH on the side of

the spool).

Wind all but about 100 mm (3-15/16”) of the cords, leaving the ends temporarily –

hooked through a notch on the side of the spool.

Mount the spool in the housing so that the grooves and protrusions on the spool –

match up with those in the housing. Keep the side with letters on the spool visible

on the top. Now, unhook the ends of the cord from their temporary position and

feed the cords through the eyelets to come out of the housing.

Align the protrusion on the underside of the cover with the slots of the eyelets. –

Then push cover firmly onto the housing to secure it.

SERVICING INSTRUCTIONS

CAUTION: Before doing any work on the Brush cutter, always switch off the motor

and pull the plug cap off the spark plug (see “Checking the spark plug”).

Always wear protective gloves.

CAUTION: Never remove the recoil starter for yourself, which may cause an

accident.It should be asked to the Authorized Service Agent.

To ensure a long service life and to avoid any damage to the equipment, the following servicing operations should be performed at regular

intervals.

Daily checkup and maintenance

Before operation, check the machine for loose screws or missing parts. Pay particular attention to the tightness of the cutter blade or nylon –

cutting head.

Before operation, always check for clogging of the cooling air passage and the cylinder fins. –

Clean them if necessary.

Perform the following work daily after use: –

Clean the Brush cutter externally and inspect for damage.•

Clean the air filter. When working under extremely dusty conditions, clean the filter the several times a day.•

Check the blade or the nylon cutting head for damage and make sure it is firmly mounted.•

Check that there is sufficient difference between idling and engagement speed to ensure that the cutting tool is at a standstill while the •

engine is idling (if necessary, reduce idling speed).

If under idling conditions the tool should still continue to run, consult your nearest Authorized Service Agent.

Check the functioning of the I-O switch, the lock-off lever, the control lever, and the look button. –

Cleaning of air cleaner

Unscrew screw (1). –

Remove the air cleaner cover (3). –

Take out the sponge element (2), wash it in lukewarm water and dry it completely. –

After cleaning, put back the air cleaner cover (3) and fasten it with screw (1). –

NOTE: If there is excessive dust or dirt adhering to the air cleaner, clean it every

day. A clogged air cleaner may make it difficult or impossible to start the

engine or increase the engine rotational speed.

Cover

Protrusion

Slot of eyelet

Checking the spark plug

Only use the supplied universal wrench to remove or to install the spark plug. –

The gap between the two electrodes of the spark plug should be 0.6 – – 0.7 mm

(0.024” – 0.028”). If the gap is too wide or too narrow, adjust it. If the spark plug is

clogged with carton or fouled, clean it thoroughly or replace it.

CAUTION: Never touch the spark plug connector while the engine is running (danger

of high voltage electric shock).

0.6 mm – 0.7 mm

(0.024” – 0.028”)

Any maintenance of adjustment work that is not included and described in this manual is only to be performed by Authorized Service Agents.

Grease hole

Supply of grease to gear case

Supply grease (Shell Alvania 3 or equivalent) to the gear case through the grease –

hole every 30 hours. (Genuine MAKITA grease may be purchased from your

MAKITA dealer.)

Suction head in the fuel tank

The fuel filler (5) of the suction head is used to filler the fuel required by the –

carburetor.

A periodical visual inspection of the fuel filter is to be conducted. For that purpose –

open the tank cap, use a wire hook and pull out the suction head through the tank

opening. Filters found to have hardened, been polluted or clogged up are to be

replaced.

Insufficient fuel supply can result in the admissible maximum speed being –

exceeded. It is therefore important to replace the fuel filter at least quarterly to

ensure satisfactory fuel supply to the carburetor.

Cleaning of mufer exhaust port

Check of muffler exhaust port (6) regularly. –

If it is clogged by carbon deposits, carefully scratch the deposits out with a –

suitable tool.

When the machine is in storage for a long time, drain fuel from the fuel tank and –

carburetor, as follows: Drain all fuel from the fuel tank. Dispose of properly and in

accordance with all local laws.

Remove the spark plug and a few drops of oil into the spark plug hole. –

Then, pull the starter gently, so that oil covers the engine inside and tighten the

spark plug.

Clear dirt or dust from the cutter blade and outside of engine, wipe them with a –

oil-immersed cloth and keep the machine in a place as dry as possible.

Drain fuel

Humidity

Fault location

Fault System Observation Cause

Engine not starting

or with difficulty

Ignition system Ignition spark O.K. Fault in fuel supply or compression system, mechanical defect

No ignition spark I-O switch operated, wiring fault or short circuit, spark plug or

connector defective, ignition module faulty

Fuel supply Fuel tank filled Incorrect choke position, carburetor defective, fuel supply line bent

or blocked, fuel dirty

Compression No compression

when pulled over

Cylinder bottom gasket defective, crankshaft seals damaged,

cylinder or piston rings defective or improper sealing of spark plug

Mechanical fault Starter not engaging Broken starter spring, broken parts inside of the engine

Warm start problems Tank filled ignition

spark existing

Carburetor contaminated, must be cleaned

Engine starts but

dies

Fuel supply Tank filled Incorrect idling adjustment, carburetor contaminated

Fuel tank vent defective, fuel supply line interrupted, cable or I-O

switch faulty

Insufficient

performance

Several systems

may simultaneously

be affected

Engine idling poor Air filter contaminated, carburetor contaminated, muffler clogged,

exhaust duct in the cylinder clogged

Maintenance schedule

General Engine assembly, screws and nuts Visual inspection for damage and tightness

Check for general condition and security

After each refuelling Control lever

I-O switch

Functional check

Daily Air filter

Cooling air duct

Cutting tool

Idling speed

To be cleaned

Check for damage and sharpness

Inspection (cutting tool must not move)

Weekly Spark plug

Muffler

Inspection, replace if necessary

Check and if necessary clean the opening

Quarterly Suction head

Fuel tank

To be replaced

To be cleaned

Shutting down procedure Fuel tank

Carburetor

Empty fuel tank

Operate until engine runs out of fuel

STORAGE

EMISSON COMPLIANCE PERIOD

For handheld engine : The Emissions

Compliance Period referred to on the Emissions

Compliance label indicates the number of operating hours for which the engine has been shown to

meet Federal emission requirements.

Category C=50 hours, B=125 hours, and A=300 hours.

FEDERAL EMISSION COMPONENT DEFECT WARRANTY

EMISSION COMPONENT DEFECT WARRANTY COVERAGE - This emission warranty is applicable in all States,

except the State of California

Makita U.S.A., Inc., La Mirada, California, (herein “MAKITA”) warrant to the initial retail purchaser and each

subsequent owner, that this utility equipment engine (herein “engine” ) was designed, built, and equipped to

conform at the time of initial sale to all applicable regulations of the U.S. Environmental Protection Agency (EPA),

and that the engine is free of defects in materials and workmanship which would cause this engine to fail to conform

with EPA regulations during its warranty period.

For the components listed under PARTS COVERED, Makita Factory Service Center or service center authorized

by MAKITA will, at no cost to you, make the necessary diagnosis, repair, or replacement necessary to ensure that

the engine complies with applicable U.S. EPA regulations.

EMISSION COMPONENT DEFECT WARRANTY PERIOD

The warranty period for this engine begins on the date of sale to the initial purchaser and continues for a period of

2 years.

PARTS COVERED

Listed below are the parts covered by the Emission Component Defect Warranty. Some of the parts listed below

may require scheduled maintenance and are warranted up to the first scheduled replacement point for that part.

1) Fuel Metering System

(i) Carburetor and internal parts

(ii) Fuel filter, if applicable

(iii) Throttle stopper, if applicable

(iv) Choke System, if applicable

3) Ignition System

(i) Spark plug

(ii) Flywheel Magneto

(iii) Ignition Coil

2) Air Induction System

(i) Air cleaner plate

(ii) Air cleaner case

(iii) Air cleaner element

4) Miscellaneous Items Used in Above Systems

(i) Fuel hoses, clamps and sealing gaskets

5) Emission-related components for evaporative emission

(i) Fuel Tank

(ii) Fuel Cap

(iii) Fuel line

(iv) Fuel line fitting

(v) Clamps

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Makita RBC2510 Manuel utilisateur

Marque: Makita

Modèle: RBC2510

Catégorie: Coupe-herbe

Taper: Manuel utilisateur

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