Dolmar MS3354C Le manuel du propriétaire

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Le manuel du propriétaire

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Important:
Read this instruction manual carefully before putting the Petrol Brushcutter into operation and strictly observe the safety regulations!
Preserve instruction manual carefully!
Important :
Veuillez lire attentivement ce mode d’emploi avant d’utiliser la débroussailleuse thermique et respectez strictement les consignes de
sécurité !
Veillez à conservez ce manuel d’instructions !
Wichtig:
Lesen Sie vor Verwendung der Motorsense diese Betriebsanleitung aufmerksam durch und halten Sie die Sicherheitsbestimmungen strikt ein!
Bewahren Sie diese Betriebsanleitung sorgfältig auf!
Importante:
Leggere attentamente il presente manuale di istruzioni prima di mettere in funzione il decespugliatore a benzina e rispettare scrupolosamente le
norme per la sicurezza.
Conservare con cura il manuale di istruzioni.
Belangrijk:
Lees deze gebruiksaanwijzing aandachtig door voordat u de benzinebosmaaier in gebruik neemt en houdt u te allen tijde aan de
veiligheidsinstructies!
Bewaar deze gebruiksaanwijzing zorgvuldig!
Importante:
Lea atentamente este manual de instrucciones antes de utilizar la desbrozadora y cumpla estrictamente la normativa de seguridad.
Conserve el manual de instrucciones con cuidado.
Importante:
Leia cuidadosamente este manual de instruções antes de utilizar a Roçadeira a Gasolina e cumpra todas as normas de segurança!
Guarde este manual de instruções num local seguro!
Vigtigt:
Læs denne brugsanvisning omhyggeligt igennem inden du anvender den benzindrevne buskrydder og overhold sikkerhedsbestemmelserne til
mindste detalje!
Gem denne brugsanvisning omhyggeligt!
Σημαντικό:
Πριν θέσετε σε λειτουργία τον Βενζινοκίνητο Θαμνοκοπτικό διαβάσετε προσεχτικά το παρόν εγχειρίδιο οδηγιών και εφαρμόσετε αυστηρά τους
κανονισμούς ασφαλείας.
Διατηρήστε με προσοχή το εγχειρίδιο οδηγιών!
Original Instruction Manual
Instructions d’emploi d’origine
Originalbetriebsanleitung
Manuale di istruzioni originale
Originele gebruiksaanwijzing
Instrucciones de manejo originales
Instruções de serviço original
Original brugsanvisning
Πρωτότυπο εγχειρίδιο οδηγιών
MS-335.4 U MS-335.4 C
2
Thank you very much for purchasing the DOLMAR Petrol Brushcutter. We are
pleased to recommend to you the DOLMAR Petrol Brushcutter 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 Petrol Brushcutter.
Table of Contents Page
Symbols .........................................................................2
Safety instructions .........................................................3
Technical data................................................................7
Designation of parts.......................................................8
Mounting of handle ........................................................9
Mounting of protector...................................................10
Mounting of metal blade or nylon cutting head ............11
Before start of operation ..............................................13
Correct handling of machine........................................15
Points in operation and how to stop ............................15
Resharpening the cutting tool ......................................17
Servicing instructions...................................................19
Storage ........................................................................23
Take Particular care and attention!
Read instruction manual and follow
the warnings and safety precautions!
Forbidden!
No smoking!
No open ame!
Protective gloves must be worn!
Keep the area of operation clear of all
persons and pets!
Wear protective helmet, eye and ear
protection!
Engine-manual start
Top permissible tool speed
Emergency stop
ON/START
OFF/STOP
Flying object hazard!
Keep distance!
Kickback!
Fuel (Gasoline)
First Aid
You will note the following symbols when reading the instructions manual.
SYMBOLS
Wear sturdy boots with nonslip soles.
Steeltoed safety boots are recommended!
English
(Original instructions)
3
15 Meters
Diagrammatic gure
SAFETY INSTRUCTIONS
General Instructions
Read this instruction manual to become familiar with handling of the
equipment. Users insufciently informed will risk danger to themselves as
well as others due to improper handling.
It is recommended only to lend the equipment to people who have proven to
be experienced.
Always hand over the instruction manual.
First users should ask the dealer for basic instructions to familiarize oneself
with the handling of brushcutters.
Children and young persons aged under 18 years must not be allowed to
operate this equipment. Persons over the age of 16 years may however
use the device for the purpose of being trained while under supervision of a
qualied trainer.
Use with the utmost care and attention.
Operate only if you are in good physical condition. Perform all work calmly
and carefully. The user has to accept liability for others.
Never use this equipment 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
This equipment 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-
tting 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.
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
ying debris and stones. During operation 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 ying stones and debris.
We strongly recommend that the user wears work overalls.
Gloves (5) are part of the prescribed equipment and must always be worn
during operation.
When using the equipment, always wear sturdy shoes (6) with a non-slip
sole. This protects against injuries and ensures a good footing.
Starting up the brushcutter
Please make sure that there are no children or other people within a working
range of 15 meters (50 ft), also pay attention to any animals in the working
vicinity.
Before use always check the equipment is safe for operation:
Check the security of the cutting tool, the throttle lever for easy action and
check for proper functioning of the throttle 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.
4
• Resting
• Transport
• Refuelling
• Maintenance
• Tool replacement
3 meters
Start the brushcutter only in accordance with the instructions.
Do not use any other methods for starting the engine!
Use the brushcutter and the tools only for such applications as specied.
Only start the 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).
If the equipment gets heavy impact or fall, check the condition before
continuing work. Check the fuel system for fuel leakage and the controls
and safety devices for malfunction. If there is any damage or doubt, ask our
authorized service center for the inspection and repair.
Operate the equipment only with the shoulder harness attached which is
to be suitably adjusted before putting the brushcutter into operation. It is
essential to adjust the shoulder harness according to the user size to prevent
fatigue occurring during use. Never hold the cutter with one hand during use.
During operation always hold the brushcutter with both hands.
Always ensure a safe footing.
Operate the equipment 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 equipment
unattended, and place it in a safe location to prevent danger to others or
damage to the machine.
Never put the hot brushcutter onto dry grass or onto any combustible
materials.
Always install the approved cutting tool guard onto the equipment before
starting the engine.
Otherwise contact with the cutting tool may cause serious injury.
All protective installations and guards supplied with the machine must be
used during operation.
Never operate the engine with faulty exhaust mufer.
Shut off the engine during transport.
When transporting the equipment, always attach the cover to the cutting
blade.
Ensure safe position of the equipment during car transportation to avoid fuel
leakage.
When transporting, ensure that the fuel tank is completely empty.
When unloading the equipment 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 equipment to the ground
or this may severely damage the equipment.
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 re.
Refueling
Shut off the engine during refueling, keep away from open ames and do not
smoke.
Avoid skin contact with mineral oil products. Do not inhale fuel vapor. Always
wear protective gloves during refueling. 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 brushcutter 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 re).
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 refueling).
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.
5
Caution:
Kickback
Diagrammatic
gure
Diagrammatic
gure
Method of operation
Only use 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.
Never climb up into trees to perform cutting operation.
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.
When using metal blades, swing the tool evenly in half-circle from right to left,
like using a scythe.
If grass or branches get caught between the cutting tool and guard, always
stop the engine before cleaning. Otherwise unintentional blade rotation may
cause serious injury.
Take a rest to prevent loss of control caused by fatigue. We recommend to
take a 10 to 20-minute rest every hour.
Cutting Tools
Use an applicable cutting tool for the job in hand.
Nylon cutting heads (string trimmer heads) are suitable for trimming lawn
grass.
Metal blades are suitable for cutting weeds, high grasses, bushes, shrubs,
underwood, thicket, and the like.
Never use other blades including metal multi-piece pivoting chains and ail
blades. Otherwise serious injury may result.
When using metal blades, avoid “kickback” and always prepare for an
accidental kickback. See the section “Kickback” and “Kickback prevention.”
Kickback (blade thrust)
Kickback (blade thrust) is a sudden reaction to a caught or bound cutting
blade. Once it occurs, the equipment is thrown sideway or toward the
operator at great force and it may cause serious injury.
Kickback occurs particularly when applying the blade segment between 12
and 2 o’clock to solids, bushes and trees with 3 cm or larger diameter.
To avoid kickback:
Apply the segment between 8 and 11 o’clock;
Never apply the segment between 12 and 2 o’clock;
Never apply the segment between 11 and 12 o’clock and between 2 and
5 o’clock, unless the operator is well trained and experienced and does it at
his/her own risk;
Never use cutting blades close to solids, such as fences, walls, tree trunks
and stones;
Never use cutting blades vertically, for such operations as edging and
trimming hedges.
Vibration
People 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 ngers, hands or wrists: “Falling
asleep” (numbness), tingling, pain, stabbing sensation, alteration of skin color
or of the skin. If any of these symptoms occur, see a physician!
To reduce the risk of “white nger disease”, keep your hands warm during
operation and well maintain the equipment and accessories.
Maintenance instructions
Have your equipment serviced by our authorized service center, always using
only genuine replacement parts. Incorrect repair and poor maintenance can
shorten the life of the equipment and increase the risk of accidents.
The condition of the cutter, in particular of the cutting tool of the protective
devices and also of the shoulder harness 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.
6
Never straighten or weld damaged cutting tools.
Pay attention to the environment. Avoid unnecessary throttle operation for
less pollution and noise emissions. Adjust the carburetor correctly.
Clean the equipment at regular intervals and check that all screws and nuts
are well tightened.
Never service or store the equipment in the vicinity of naked ames.
Always store the equipment in locked rooms and with an emptied fuel tank.
When cleaning, servicing and storing the equipment, always attach the cover
to the cutting blade.
Observe the relevant accident prevention instructions issued by the relevant trade associations and by the insurance companies.
Do not perform any modications to the equipment 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 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 xing devices of cutting
tools, or accessories.
First Aid
In case of accident make sure that a rst-aid box is available in the vicinity of
the cutting operations. Immediately replace any item taken from the rst 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
For European countries only
EC Declaration of Conformity
The undersigned, Tamiro Kishima and Rainer Bergfeld, as authorized by Dolmar GmbH, declare that the DOLMAR machine(s):
Designation of Machine: Petrol Brushcutter
Model No./ Type: MS-335.4 U, MS-335.4 C
Specications: see “TECHNICAL DATA” table
are of series production and
Conforms to the following European Directives:
2000/14/EC, 2006/42/EC
And are manufactured in accordance with the following standards or standardized documents:
EN ISO 11806-1
The technical documentation is on le at:
Dolmar GmbH,
Jenfelder Straße 38, Abteilung FZ, D-22045 Hamburg
The conformity assessment procedure required by Directive 2000/14/EC was in Accordance with annex V.
Measured Sound Power Level: 110.1 dB
Guaranteed Sound Power Level: 111 dB
31. 8. 2009
Tamiro Kishima
Managing Director
Rainer Bergfeld
Managing Director
7
TECHNICAL DATA MS-335.4 U, MS-335.4 C
Model
MS-335.4 U MS-335.4 C
Bike handle Loop handle
Dimensions: length x width x height (without cutting blade) mm 1,810 x 620 x 500 1,810 x 330 x 275
Mass (without plastic guard and cutting blade) kg 7.1 6.7
Volume (fuel tank) L 0.65
Volume (oil tank) L 0.1
Engine displacement cm
3
33.5
Maximum engine performance ISO8893 kw 1.07 at 7,000 min
-1
Maximum rotational frequency of the spindle min
-1
6,850
Engine speed at recommended max. spindle rotational frequency min
-1
10,000
Fuel consumption at max. engine performance ISO8893 kg/h 0.458
Specic fuel consumption at max. engine performance g/kwh 426
Engine speed at idling min
-1
3,000
Clutch engagement speed min
-1
4,100
Carburetor (Diaphragm - carburetor) type WALBRO WYL
Ignition system type Solid state ignition
Spark plug type NGK CMR4A
Electrode gap mm 0.7 - 0.8
Vibration per
ISO 22867
Right handle
(Rear grip)
a
hv eq
m/s
2
4.4 6.1
Uncertainty K m/s
2
0.78 2.0
Left handle
(Front grip)
a
hv eq
m/s
2
4.5 7.4
Uncertainty K m/s
2
0.60 0.63
Sound pressure level average to
ISO 22868
L
PA eq
dBA 98.2
Uncertainty K dBA 2.1
Sound power level average to
ISO 22868
L
WA eq
dBA 110.1
Uncertainty K dBA 0.8
Fuel Automobile gasoline
Engine Oil
SAE 10W-30 oil of API Ciassication,
Class SF or higher (4-stroke engine for automobile)
Cutting tools (cutter blade dia.) mm 305 (with three blades)
Gear ratio 13/19
8
MS-335.4 U
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 Mufer
7 Clutch Case
9 Hanger
10 Handle
11 Throttle Lever
12 Control Cable
13 Shaft
14 Protector (Cutting tool guard)
15 Gear Case/Head Case
16 Handle Holder
17 Cutter Blade
18 Nylon Cutting Head
19 Fuel Filler Cap
20 Starter Knob
21 Primer Pump
22 Choke Lever
23 Exhaust Pipe
24 Oil Gauge
MS-335.4 C
9
CAUTION: Before doing any work on the Petrol Brushcutter, always stop the
engine and pull the spark plug connector off the spark plug.
Always wear protective gloves!
CAUTION: Start the Petrol Brushcutter only after having assembled it
completely.
For machines with bike handle models
Loosen knob (1).
Place handle (4) between handle clamp (2) and handle holder (3).
Adjust handle (4) to an angle that provides a comfortable working position
and then secure by rmly hand-tightening knob (1).
CAUTION: Do not forget to mount spring (5).
MOUNTING OF HANDLE
(1)
(2)
(3)
(4)
(5)
Engine
Engine
For machines with loop handle
Fix a barrier to the left side of the machine together with the handle for
operator protection.
Make sure that the grip/barrier assembly is tted between the spacer and the
arrow mark.
WARNING: Do not remove or shrink the spacer. The spacer keeps a certain
distance between both hands. Setting the grip/barrier assembly
close to the other grip beyond the length of the spacer may cause
loss of control and serious personal injury.
Arrow mark
10
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 metal blades or
nylon cutting head.
The metal blade must be well polished, free of cracks or
breakage. If the metal blade hits against a stone during operation,
stop the engine and check the blade immediately.
Resharpening or replace the metal 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.
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.
The outside diameter of the cutter blade must be
255 mm (10”). Cutter blades with outside diameter of
305 mm or 12 inches can be used only for those with
three blades.
Use 200 mm saw-blade protector only when using
200 mm saw-blade.
MOUNTING OF PROTECTOR
In use of the metal blade, x the protector (3) to the clamp (2) with two bolts
(1).
NOTE: Tighten the right and left bolts evenly so that the gap between the clamp
(2) and the protector (3) will be constant.
Otherwise, the protector sometimes may not function as specied.
Cutter blade Protector for cutter blades
200 mm saw blade
Protector for
200 mm saw blade
(3)
(2)
(1)
(3)
(2)
(1)
Nylon cutting head
Protector for
nylon cutting head
Protector for
nylon cutting head
11
In cases where the nylon cord cutter is to be used, be sure to mount the
nylon cord cutter protector (4) onto the metal blade protector (3).
Mount the nylon cord cutter protector (4) by sliding it into place from the ank
of the metal blade protector (3) as shown.
Remove tape adhered to cutter, which cuts nylon cord, on nylon cord cutter
protector (4).
CAUTION: Be sure to push in nylon cord cutter protector (4) until it is fully
inserted.
Take care not to injure yourself on the cutter for cutting the nylon
cord.
(3)
(4)
To remove the nylon cord cutter protector (4), apply a hex wrench into the
notch on the metal blade protector (3), push it in and meanwhile slide the
nylon cord cutter protector (4).
Hex wrench
Turn the machine upside down, and you can replace the metal blade or 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 METAL BLADE OR NYLON CUTTING HEAD
(3)
(3)
(2)
(2)
(1)
(1)
Hex wrench
(4)
(4)
12
Hex wrench
Mounting of metal blade
With the hex wrench still in place.
Mount the metal blade onto the shaft so that the guide of the receiver washer
(4) ts in the arbor hole in the metal blade. Install the clamp washer (3), cup
(2), and secure the metal blade with the nut (1).
[Tightening torque: 13 - 23 N-m]
NOTE: Always wear gloves when handling the metal blade.
NOTE: The metal blade-fastening nut (with spring washer) is a consumable
part.
If there appears any wear or deformation on the spring washer, 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 cutting 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 hex wrench.
Rotation
Make sure that the blade is the left way up.
Loosen
Tighten
Hex wrench
(4)
13
Inspection and rell of engine oil
Perform the following procedure, with the engine cooled down.
While keeping the engine level, remove the oil gauge, and conrm that the oil is lled within the upper and lower limit marks.
When the oil is in short in such a way that the oil gauge touches the oil only by its tip, in particular with the oil gauge remaining inserted in the
crankcase without screwing-in (Fig. 1), rell new oil near the port (Fig. 2).
For reference, the oil rell time is about 15 h (rell frequency: 15 times).
If the oil changes in color or mixes with dirt, replace it with new one. (For the interval and method of replacement, refer to P19 - 20)
Recommended oil: SAE 10W-30 oil of API Classication, Class SF or higher (4-stroke engine for automobile)
Oil volume: Approx. 0.1 L
Note: If the engine is not kept upright, oil may go into around the engine, and may be relled excessively.
If the oil is lled above the limit, the oil may be contaminated or may catch re with white smoke.
Point 1 in Replacement of oil: “Oil gauge”
Remove dust or dirt near the oil rell port, and detach the oil gauge.
Keep the detached oil gauge free of sand or dust. Otherwise, any sand or dust adhering to the oil gauge may cause irregular oil
circulation or wear on the engine parts, which will result in troubles.
As an example to keep the oil gauge clean, it is recommended to insert the oil gauge on its knob side into the engine cover, as shown
in Fig. 3.
Oil gauge
If oil adheres around
this tip, rell new oil.
Fig. 1
Upper limit of oil level
(Lower part of oil rell
port threaded part)
Fig. 2
Fig. 3
BEFORE START OF OPERATION
(1) Keep the engine level, and detach the oil gauge.
(2) Fill oil up to the edge of the oil rell port. (Refer to Fig. 2).
Feed oil with the lubricant rell container.
(3) Securely tighten the oil gauge. Insufcient tightening may cause oil leakage.
Point 2 in Replacement of oil: “If oil spills out”
If oil spills out between the fuel tank and engine main unit, the oil is sucked into through the cooling air intake port, which will
contaminate the engine. Be sure to wipe out spilt oil before start of operation.
14
REFUELING
Handling of fuel
It is necessary to handle fuel with utmost care. Fuel may contain substances similar to solvents. Refueling must be performed in a sufciently
ventilated room or in the open air. Never inhale fuel vapor, and keep fuel away from you. If you touch fuel repeatedly or for a long time, the
skin becomes dry, which may cause skin disease or allergy. If fuel enters into the eye, clean the eye with fresh water. If your eye remains still
irritated, consult your doctor.
Storage period of fuel
Fuel should be used up within a period of 4 weeks, even if it is kept in a special container in a well-ventilated shade.
If a special container is not used or if the container is not covered, fuel may deteriorate in one day.
Refueling
WARNING: INFLAMMABLES STRICTLY PROHIBITED
Gasoline used: Automobile gasoline (unleaded gasoline)
Loosen the tank cap a little so that there will be no difference in atmospheric
pressure.
Detach the tank cap, and refuel, discharging air by tilting the fuel tank so
that the refuel port will be oriented upward. (Never rell fuel full to the oil rell
port.)
Wipe well the periphery of the tank cap to prevent foreign matter from
entering into the fuel tank.
After refueling, securely tighten the tank cap.
If there is any aw or damage on the tank cap, replace it.
The tank cap is consumable, and therefore should be renewed every two to
three years.
Fuel tank cap
Fuel upper limit
Fuel tank
Fuel
The engine is a four-stroke engine. Be sure to use an automobile gasoline (regular gasoline or premium gasoline).
STORAGE OF MACHINE AND REFILL TANK
Keep the machine and tank at a cool place free from direct sunshine.
Never keep the fuel in the cabin or trunk.
Points for fuel
Never use a gasoline mixture which contains engine oil. Otherwise, it will cause excessive carbon accumulation or mechanical troubles.
Use of deteriorated oil will cause irregular startup.
15
Attachment of shoulder strap
Adjust the strap length so that the metal blade will be
kept parallel with the ground.
For MS-335.4 U
NOTE: Be careful not to trap clothing, etc., in the buckle.
Observe the applicable accident prevention regulations!
STARTING
Move at least 3 m away from the place of refuelling. Place the Petrol Brushcutter on a clean piece of ground taking care that the cutting tool
does not come into contact with the ground or any other objects.
A: Cold start
1) Set this machine on a at space.
CORRECT HANDLING OF MACHINE
POINTS IN OPERATION AND HOW TO STOP
Detachment
For MS-335.4 C
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 deected 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.
2) Set the I-O switch (1) to OPERATION.
3) Choke lever
Close the choke lever.
Choke opening:
Full closing in cold or when the engine is cold.
Full or half opening in restart just after stop of operation.
CLOSE
MS-335.4 UMS-335.4 C
OPERATION
STOP
(1)
Low speed
High speed
Buckle
(2)
(1)
OPERATION
Lock-off lever
High speed
Low speed
Throttle lever
STOP
Hanger
(1)
MS-335.4 U
For MS-335.4 U
In an emergency, push the notches (2) 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 deected
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.
Lock-off lever
Throttle lever
16
(2)
(1)
STOP
Note: – If the starter handle is pulled repeatedly when the choke lever remains at “CLOSE” 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
-1
or more. Never operate the engine at a
higher speed than required and at an approximate speed of 6,000 - 8,500 min
-1
.
Carburetor
Primer Pump
4) Primer pump
Continue to push the primer pump until fuel enters into the primer pump. (In
general, fuel enters into the primer pump by 7 to 10 pushes.)
If the primer pump is pushed excessively, an excess of gasoline returns to
the fuel tank.
5) Recoil starter
Pull the start knob gently until it is hard to pull (compression point). Then,
return the start knob, and pull it strongly.
Never pull the rope to the full. Once the start knob is pulled, never release
your hand immediately. Hold the start knob until it returns to its original
point.
6) Choke lever
When the engine starts, open the choke lever.
Open the choke lever progressively while checking the engine operation.
Be sure to open the choke lever to the full in the end.
In cold or when the engine is cooled down, never open the choke lever
suddenly. Otherwise, the engine may stop.
7) Warm-up operation
Continue warm-up operation for 2 to 3 minutes.
B: Startup after warm-up operation
1) Push the primer pump repeatedly.
2) Keep the throttle lever at the idling position.
3) Pull the recoil starter strongly.
4) If it is difcult to start the engine, open the throttle by about 1/3.
Pay attention to the cutting tool which may rotate.
STOPPING
1) Release the throttle lever (2) fully, and when the engine
rpm has lowered, set the I-O switch to STOP the engine
will now stop.
2) Be aware that the cutting head may not stop
immediately and allow it to slow down fully.
(1)
STOP
(2)
Attention in Operation
When the engine is operated upside down, white smoke may come out from the mufer.
OPEN
MS-335.4 C MS-335.4 U
(2)
(1)
STOP
17
ADJUSTMENT OF LOW-SPEED ROTATION (IDLING)
When it is necessary to adjust the low-speed rotation (idling), perform it by the carburetor adjusting screw.
CHECKUP OF LOW-SPEED ROTATION
Set the low-speed rotation to 3,000 min
-1
.
If it is necessary to change the rotation speed, regulate the adjusting screw
(illustrated on the left), with Phillips screwdriver.
Turn the adjusting screw to the right, and the engine rotation will increase.
Turn the adjusting screw to the left, and the engine rotation will drop.
The carburetor is generally adjusted before shipment. If it is necessary to
readjust it, please contact Authorized Service Agent.
Adjusting screw
Carburetor
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.
metal blade
An expert resharpening and balancing service is provided by Authorized
Service Agents.
NOTE:
To increase the service life of the cutter blade it may be turned over once, until
both cutting edges have become blunt.
RESHARPENING THE CUTTING TOOL
Operation of Throttle Lever
With the throttle lever main unit held by hand (with the lock-off lever pushed), pull the throttle lever and the engine rotation will be increased.
Release the throttle lever, and the engine will run idle again.
Release the hand from the throttle lever main unit, and the lock-off lever will return automatically so that the throttle lever will not be pulled by
mistake.
Adjustment of Engine ROTATION
When adjusting the engine rotation with the throttle lever opened to the full, turn the throttle control dial. Turn the dial clockwise, and the engine
rotation will be reduced. Turn the dial counterclockwise, and the engine rotation will be increased.
NYLON CUTTING HEAD
The nylon cutting head is a dual Petrol Brushcutter 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 efciently, 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 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.”
Most effective cutting area
Idle speed
Full speed
Knob
18
Replacing the nylon cord
1. Put off cover from housing, pressing two cover locking tabs located
oppositely on side of the housing.
2. Take off tap knob and spool from the housing.
3. Put each one end of two cutting lines into each holes at inner most of the
slot on one of spool outer anges. Put the lines into spool gutters through
each slit on the anges.
4. Wind the lines up rmly to the direction slown by left-hand (LH) arrow on the
ange. Do not cross the lines.
5. Wind all but about 100 mm (3-15/16”) of the Cords, leaving the end
temporarily hooked through a notch on the side of the spool.
6. Put tap knob onto the housing hub, positioning it can freely move up and
down against spring tension. Put the spool into the housing, aligning the
teeth on spool and tap knob alternately like gears.
Cover
Locking
Tab
Pull up
Housing Window
Tab knob
Spool
There is a hole inner
most of the slit
Slit
To “LH” direction
Wind tightly
100 mm from
notches
Tab knob’s Teeth
Spool’s Teeth
19
REPLACEMENT OF ENGINE OIL
Deteriorated engine oil will shorten the life of the sliding and rotating parts to a great extent. Be sure to check the period and quantity of
replacement.
ATTENTION: In general, the engine main unit and engine oil still remain hot just after the engine is stopped. In replacement of oil,
conrm that the engine main unit and engine oil are sufciently cooled down. Otherwise, there may remain a risk of
scald.
Note: If the oil lled above the limit, it may be contaminated or may catch re with white smoke.
Interval of replacement: Initially, every 20 operating hours, and subsequently every 50 operating hours
Recommended oil: SAE10W-30 oil of API Classication SF Class or higher (4-stroke engine oil for automobile)
7. Put in the cutting lines through the slot of eyelets.
CAUTION: Before doing any work on the Petrol Brushcutter, always stop the engine 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 metal blade or nylon
cutting head.
Before operation, always check for clogging of the cooling air passage and the cylinder ns.
Clean them if necessary.
Perform the following work daily after use:
• Clean the Petrol Brushcutter externally and inspect for damage.
• Clean the air lter. When working under extremely dusty conditions, clean the lter the severall times a day.
• Check the blade or the nylon cutting head for damage and make sure it is rmly mounted.
• Check that there is sufcient 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 Lock button.
SERVICING INSTRUCTIONS
8. Put the cover onto the housing, aligning the tabs on cover and the windows
on housing. Make sure the cover is secured exactly to the housing. Outer
edge of cover locking tab and outer surface of the housing should be on
same circumference.
Cover Locking Tab
Housing
Window
Outer Edge
of Cover
Locking Tab
Outer
surface of
Housing
20
In replacement, perform the following procedure.
1) Conrm that the tank cap is tightened securely.
2) Detach the oil gauge.
Keep the oil gauge free from dust or dirt.
Fuel tank cap
Oil gauge
Waste or paper
3) Place waste or paper near the oil rell port.
POINTS ON OIL
Never discard replaced engine oil in garbage, earth or sewage ditch. Disposal of oil is regulated by law. In disposal, always follow the
relevant laws and regulations. For any points remaining unknown, contact Authorized Service Agent.
Oil will deteriorate even when it is kept unused. Perform inspection and replacement at regular intervals (replace with new oil every
6 months).
4) Detach the oil gauge, and drain oil, tilting the main unit toward the oil rell
port.
Drain oil in a container for orderly disposal.
5) Keep the engine level, and feed new oil up to the edge of the oil rell port.
In rell, use a lubricant rell container.
6) After rell, securely tighten the oil gauge. Insufcient tightening of the oil
gauge will lead to oil leakage.
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