Dolmar MS-4211 Manuale del proprietario

ISTRUZIONI D’USO

MANUAL DE INSTRUCCIONES

Brush Cutter

Débroussailleuse

Motorsense

Decespugliatore

Bosmaaier

Desbrozadora

ORIGINAL INSTRUCTION MANUAL

MANUEL D’INSTRUCTIONS ORIGINAL

ORIGINALBEDIENUNGSANLEITUNG

MANUALE DI ISTRUZIONI ORIGINALE

ORIGINELE GEBRUIKSAANWIJZING

MANUAL DE INSTRUCCIONES ORIGINAL

Important:

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

Preserve instruction manual carefully!

Recommandation importante:

Lire soigneusement ce manuel d’instructions avant de mettre la débroussailleuse en service et observer rigoureusement les

consignes de sécurité! Conserver soigneusement ce manuel d’instructions.

Wichtlg:

Bitte lesen Sie dieses Anweisungshandbuch sorgfältig durch, bevor Sie den Freischneider in Betrieb nehmen, und beachten Sie die

Sicherheitsvorschriften strikt! Bewahren Sie das Anweisungshandbuch sorgfältig auf.

Importante:

Prima di mettere in funzione il decespugliatore, leggere attentamente il presente manuale; rispettare rigorosamente le norme di

sicurezza! Conservare il manuale delle istruzioni per l’uso!

Belangrijk:

Lees voor het in gebruik nemen van de bosmaaier deze gebruiksaanwijzing zorgvuldig door en neem alle veiligheidsvoorschriften in

acht. Bewaar de gebruiksaanwijzing voor eventuele naslag.

Importante:

Leer cuidadosamente este manual de instrucciones antes de poner en marcha la máquina y observar estrictamente las normas de

seguridad. Conservar este manual de instrucciones con cuidado.

English / French / German

Italian / Dutch / Spanish

MS-4211

2

Thank you very much for purchasing the DOLMAR Brush Cutter. We are

pleased to recommend to you the DOLMAR Brush Cutter 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 DOLMAR Brush Cutter.

Table of Contents Page

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

Safety instructions ..........................................................3-6

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

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

Mounting of handle ............................................................ 9

Assembly of throttle wire and ignition wire ....................... 10

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

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

Fuels/Refuelling ............................................................... 13

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

Putting into operation .................................................. 14-15

Idle adjustment ................................................................ 15

Resharpening the cutting tool .......................................... 16

Nylon cutting head ........................................................... 16

Servicing instructions .................................................. 17-18

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

SYMBOLS

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

Read instruction Manual

Wear protective helmet, eye and ear

protection

WARNING / DANGER / CAUTION Top permissible tool speed

Forbidden Fuel and oil mixture

Keep distance Engine-Manual start

Flying object hazard Emergency stop

No smoking First Aid

No open flame Recycling

Protective gloves must be worn ON/START

Kickback OFF/STOP

Keep the area of operation clear of all

persons and pets

CE mark

English

3

SAFETY INSTRUCTIONS

General Instructions

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

make himself familiar with the handling of the brush cutter. 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 to people who have proven

to be experienced with brush cutters.

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. 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 cutters with the utmost care and attention.

– Operate the brush cutter only if you are in good physical condition. Perform

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

– Never use the brush cutter after consumption of alcohol or drugs, or if feeling

tired or ill.

– National regulation can restrict the use of the machine.

Intended use of the machine

– The Brush Cutter is only intended for cutting 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 to protect

your hearing the following protective equipment and protective clothing must

be used during operation of the brush cutter.

– 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 the 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 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.

– When using the brush cutter, always wear safety 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 (50ft), also pay attention to any animals in the working

vicinity.

– Before use always check that the brush cutter 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.

Check with your dealer for adjustment if in doubt.

Rotation of the cutting tool during idling speed is not allowed. Check for

clean and dry handles and test the function of the start/stop switch.

15meters

(2)

(1)

(3)

(4)

(5) (6)

4

Start the brush cutter only in accordance with the instructions.

Do not use any other methods for starting the engine.

– Use the brush cutter and the tools only for such applications as specified.

– Only start the brush cutter 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 only with the shoulder strap attached which is to be

suitably adjusted before putting the brush cutter 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 with both hands.

Always ensure a safe footing.

– Operate the brush cutter in such a manner as to avoid inhalation of exhaust

gas. 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

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

damage to the machine.

– Never put the hot brush cutter 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 during car transportation to avoid

fuel leakage.

– When transporting the brush cutter, ensure that the fuel tank is completely

empty.

– When unloading the Brush Cutter 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 to the

ground or this may severely damage the Brush Cutter.

– 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 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 (10ft) away from the place of refuelling).

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

of explosion).

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

stored is not accessible to children.

٨

Resting

٨

Transport

٨

Refuelling

٨

Maintenance

٨

Tool Replacement

5

Method of operation

– Only use the brush cutter in good lighting and visibility. During the winter

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

Always ensure a safe looting.

– Never cut above the shoulder height.

– Never stand on a ladder and run the brush cutter.

– Never climb up trees to perform cutting operation with the brush cutter.

– 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.

Kickback

– 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.

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.

Nylon cutting head:

Exclusively designed for cutting along walls, fences, grass edges, trees, posts

etc. (supplementing the grass mower). Perform this cutting work by swinging

the grass trimmer evenly in half-circles from left to right.

Cutter blade (Star Blade (4 teeth), Eddy Blade (8 teeth), Brush Blade (3

teeth)):

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 the spark plug connector when replacing or

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

Diagrammatic

figure

Caution:

Kickback

Diagrammatic

figure

12

2

6

Never straighten or weld damaged cutting tools.

– Operate the brush cutter with as little noise and contamination as possible.

In particular, check the correct setting of the carburetor.

– Clean the brush cutter at regular intervals and check that all screws and nuts

are well tightened.

– Never service or store the brush cutter in the vicinity of open flames.

– Always store the brush cutter 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 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 the other work is to be done

by an Authorized Service Agent. Use only genuine spare parts and accessories

released and supplied by DOLMAR.

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

DOLMAR 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 DOLMAR brush cutter 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).

EC-DECLARATION OF CONFORMITY

Brush Cutter: model MS-4211 (See TECHNICAL DATA for the specifications)

We declare under our sole responsibility that this product is in compliance with the following Directives, 2000/14/EC, 2006/42/EC.

The most important standards applied to properly meet the requirements of the above Directives were: EN11806.

Measured Sound Power: 114 dB

Guarantee Sound Power: 118 dB

These sound power levels were measured in accordance with Council Directive, 2000/14/EC.

Conformity assessment procedure: Annex V.

3rd. NOV. 2009

Tamiro Kishima Rainer Bergfeld

Managing Director Managing Director

Responsible Manufacturer:

Makita Corporation.

3-11-8, Sumiyoshi-cho, Anjo, Aichi, JAPAN

Authorized Representative in Europe:

DOLMAR Gmbh

Jenfelder Str. 38, 22045 Hamburg, Germany

7

TECHNICAL DATA

MS-4211

Model

U handle

Dimensions : length x width x height mm

(without cutting blade)

1800x620x550

Mass (without plastic guard and cutting blade) kg

7.8

Volume (fuel tank) L

0.96

Engine displacement cm

3

40.2

Maximum engine performance kw

1.40 at 7000 min

-1

Engine speed at recommended max. spindle speed min

-1

8500

Maximum spindle speed (corresponding) min

-1

5800

Fuel consumption kg/h

0.89

Specific fuel consumption g/kwh

635

Idling speed min

-1

2600

Clutch engagement speed min

-1

3600

Carburetor (Diaphragm - carburetor) type

WALBRO WYJ

Ignition system type

Solid state ignition

Spark plug type

NGK BPMR7A

Electrode gap mm

0.6 - 0.7

a

hv eq

m/s

2

2.1

Right handle

(Rear grip)

Uncertainty K m/s

2

0.6

a

hv eq

m/s

2

2.2

Vibration per

ISO 22867

Left handle

(Front grip)

Uncertainty K m/s

2

0.2

L

PA eq

dBA 93.1

Sound pressure level average to

ISO 22868

Uncertainty K dBA 3.2

L

WA eq

dBA 106.1

Sound power level average to

ISO 22868

Uncertainty K dBA 3.1

Mixture ratio (Gasoline : DOLMAR 2-stroke oil)

25 : 1

Gear ratio

13/19

8

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 Hanger

9 Handle

10 Throttle Lever

11 Control Cable

12 Shaft

13 Protector

14 Gear Case

15 Handle Holder

16 Cutter Blade

17 Fuel Filler Cap

18 Starter Knob

19 Choke Lever

20 Exhaust Pipe

21 Primer Pump

MS-4211

Brush Cutter

9

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.

– Place the handle with throttle lever on the handle holder in such a manner

that it will be on the right side (to be held by the right hand) viewed from the

engine side.

– Provisionally fix the upper side of the handle holder with the attached bolt (1).

– Adjust the handle to an angle easy to manipulate, and fix it by the bolt.

– Fix the control cable by three clips (2).

Note: If the control cable is not kept tight, it may be caught by a twig. Leading

to an accident.

(1)

Clips (2)

10

ASSEMBLY OF THROTTLE WIRE AND IGNITION WIRE

– Remove the air cleaner cover.

– Place the control cable (1) in the adjusting bolt (2), and shift the swivel (3) so

that the cable will be put in the swivel groove. At this time, the round-hole

side of the swivel will be oriented toward the inner wire end-metal fitting.

– Release the swivel, and confirm that the inner wire-end metal fitting will be

placed in the hole.

– Mount the air cleaner cover.

Adjust the control cable by adjusting bolt so that it will have 1 to 2 mm play

when the throttle lever is set to the low-speed position by carburetor adjusting

bolt. (Be careful that the cutter blade will not turn in idling.)

– Connect the female and male bullet connectors (4) from throttle assembly to

the male and female bullet connectors coming from engine.

– Install the air cleaner cover.

11

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 DOLMAR 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.

– The outside diameter of the cutter blade must be 255mm (10-1/32”). Never use any blades surpassing 255mm (10-1/32”) in outside

diameter.

– If the nylon cutting head hits against a stone during operation, stop the engine and check the nylon cutting head immediately.

– The mounting hole for the cutter blade is 25.4mm (1").

Star Blade Eddy Blade Brush Blade Protector for metal blades

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).

NOTE: Tighten the right and left bolts evenly so that the gap between the

clamp (3) and the protector (1) will be constant.

Otherwise, the protector sometimes may not function as specified.

– In use of the nylon cutting head insert the protector (6) into the protector (1),

and fasten them with two screw (4) and two nuts (5).

Nylon cutting head Protector for cord cutter

(4)

(1)

(5)

(6)

12

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.

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

receiver washer (4) until it is locked with the hex wrench.

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

nut (1), cup (2), and clamp washer (3).

Mounting of cutter blade

With the hex wrench still in place.

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

(4) fits in the arbor hole in the cutter blade. Install the clamp washer (3),

cup (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 coned disc spring) is a consumable

part.

If there appears any wear or deformation on the coned disc spring,

replace the nut.

Mounting of nylon cutting head

– The clamp washer (3), cup (2), and nut (1) are not necessary for mounting

the nylon cutting head. The nylon head should go on top of the receiver

washer (4).

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

receiver washer (4) until it is locked with the hex wrench.

– Then screw the nylon cutting head onto the shaft by turning it

counter-clockwise.

– Remove the socket-head wrench.

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

Rotation

(2)

(1)

(4)

(3)

(4)

13

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 for use with

specified two-stroke engine oil and a mixture ratio of only 25:1 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 25:1 (specified 2-stroke engine oil), as otherwise

reliable function of the brush cutter cannot be guaranteed.

The correct mixture ratio:

Mix 25 parts gasoline with 1 part specified 2-stroke engine oil (see table on

right).

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.

The engine must be switched off.

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

getting into the fuel tank.

– Unscrew the fuel filler cap and fill the tank with fuel.

– Tightly screw on the fuel filler cap.

– Clean screw fuel filler cap 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.

Gasoline 25:1

1000 mL (1 L) 40 mL

5000 mL (5 L) 200 mL

10000 mL (10 L) 400 mL

Observe the Safety Instructions on page 4.

1

㧗

㧗㧗

㧗

25

14

CORRECT HANDLING OF MACHINE

Attachment of shoulder strap

– Wear shoulder strap across the chest. Keep machine at your right.

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

ground.

Detachment

– In case of emergency, remove the emergency detachment lever (1) by

pulling strongly with a finger. The machine sill detach from body.

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.

PUTTING INTO OPERATION

Observe the applicable accident prevention regulations.

Starting

Move at least 3m (10ft) away from the place of refueling. 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

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

– Grasp the handle (hand pressure activates the safety lock-off lever (2)).

– Press the control lever (3) and hold it down.

– Press the lock button (4) and release the control lever, and then release the

lock button (the lock button holds the control lever in the start-up position).

– First place the machine on the ground.

– Give a gentle push on the primer pump (5) repeatedly (7-10 times) until fuel

comes into the primer pump.

– Move the choke lever (6) to the top position ( ).

(1)

Hanger

(5)

(6)

(3)

(1)

(2)

(4)

15

– 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.

– Depress the choke lever ( ) and pull the starter rope again until the

engine starts.

– As soon as the engine starts, immediately tap and release the throttle, thus

releasing the half-throttle lock so that the engine can run in idle.

– Run the engine for approximately one minute at a moderate speed before

applying full throttle.

Caution during operation:

If the control lever is opened fully in a no-load operation, the engine rotation is increased to 10,000 min

-1

or more. Never operate the engine at

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

-1

.

Starting the warm engine

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

in the down position).

Stopping

– Release the control lever (3) fully, and when the engine rpm has lowered,

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

IDLE ADJUSTMENT

– Never attempt to make engine adjustments while the unit is running and

strapped to the operator. Always make engine adjustments with the unit

resting on a flat, clear surface.

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 Idle speed

– Idle speed should be set to 2,600 min

-1

.

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

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

Turning in the screw clockwise will cause an increase in the engine speed,

whereas turning the screw counterclockwise will reduce the engine speed.

(3)

(1)

16

RESHARPENING THE CUTTING TOOL

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), brush blade(3 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.

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

-1

.

Low speed (under 4,800 min

-1

) 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 control lever to run the engine idle and then squeeze the control

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”.

Most effective cutting area

Idle speed Full speed

Knob

17

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.

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 time 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

– Raise the lock lever (1) of the air cleaner cover and release the lock.

– Hold the right and left sides of the air cleaner cover, press it to the inside and

then remove it.

– Push the choke lever (2) up (arrow), to prevent dirt particles from entering the

carburetor.

– Remove the sponge element (3).

Wash it with lukewarm water and then dry it thoroughly.

– After cleaning, put back the sponge element and install the air cleaner cover

(4) and tighten the screw to secure.

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 or run the engine at proper rotational speeds.

(3)

(2)

(4)

(1)

18

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 - 0.7mm

(0.024" - 0.028"). If the gap is too wide or too narrow, adjust it. If the spark

plug is clogged with carbon 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).

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 DOLMAR grease may be purchased

from your DOLMAR dealer.)

Suction head in the fuel tank

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

carburetor.

– A periodical visual inspection of the felt filler 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 felt filler at least quarterly

to ensure satisfactory fuel supply to the carburetor.

Cleaning of muffler 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.

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

0.6 - 0.7mm

(0.024" - 0.028")

(5)

(6)

19

STORAGE

– When keeping the machine 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 add 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.

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

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

Shuting down procedure Fuel tank

Carburetor

Empty fuel tank

Operate until engine runs out of fuel

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

immediately

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

Drain fuel

Humidity

㩷

20

Nous vous remercions d'avoir fait l'acquisition de la débroussailleuse

DOLMAR. Nous sommes heureux de pouvoir vous conseiller la

débroussailleuse DOLMAR qui représente le résultat d'un long programme

de développement et de plusieurs années de recherche et d'expérience.

Veuillez lire cette brochure qui fait référence en détail aux différents points

témoignant de l'efficacité exceptionnelle de votre débroussaileuse

DOLMAR.

Table des matières Page

Symboles...................................................................20

Consignes de sécurité...........................................21-24

Caractéristiques techniques.......................................25

Nomenclature des pièces...........................................26

Montage de la poignée...............................................27

Assemblage du câble de commande et

du câble d’allumage...................................................28

Montage du dispositif de protection............................29

Montage de la lame de coupe ou de la tête

de coupe à fil .............................................................30

Carburant/Ravitaillement............................................31

Manipulation correct de la machine............................32

Mise en marche ....................................................32-33

Ajustement en marche à vide.....................................33

Réaffütage de l'outil de coupe....................................34

Tête de coupe à fil .....................................................34

Instructions relatives aux réparations ....................35-36

Remisage...................................................................37

SYMBOLES

Vous rencontrerez les symboles suivants en parcourant le manuel d'instructions.

Lire le manuel d'instructions

Porter un casque de protection, des

protections visuelles et auditives

Avertissement/Danger/Précautión

Vitesse maximale autoriseé de l’outil de

coupe

Interdit Mélange de carburant et d'huile

Maintenir ses distances Démarrage manuel de la machine

Risque de projections d'objets Arrêt d'urgence

Interdit de fumer Premier secours

Flammes vives interdites Recyclage

Porter des gants de protection On/Démarrage

Rejet Off/Arrêt

Maintenir toute personne et tout

animal domestique à l'écart de la zone

de travail

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