Daewoo DMT520 User manual

Manufactured under license of Daewoo International Corporation, Korea
www.daewoopowerproducts.com
USER'S MANUAL
DMT520
Multifunctional brush cutter

INDEX
1. PARTS LOCATION ................................................................................................................................... 2
2. WARNING LABELS ON THE MACHINE ................................................................................................. 2
3. SYMBOLS ON THE MACHINE ............................................................................................................... 3
4. FOR SAFE OPERATION .......................................................................................................................... 3
5. SET UP ..................................................................................................................................................... 9
6. FUEL AND CHAIN OIL .......................................................................................................................... 14
7. OPERATION ........................................................................................................................................... 15
8. OPERATION (OPTIONAL BLADE USAGE) .......................................................................................... 19
9. MAINTENANCE ..................................................................................................................................... 25
10. TROUBLESHOOTING GUIDE ............................................................................................................. 31
11. TECHNICAL SPECIFICATIONS .......................................................................................................... 31
WARRANTY ............................................................................................................................................... 32
1

2
1. PARTS LOCATION
2. WARNING LABELS ON THE MACHINE
(1) Read owners manual before operating this machine.
(2) Wear head, eye and ear protection.
(3) Wear foot protection.
(4) Wear gloves.
(5) Beware of thrown objects.
(6) Warning / Attention
(7) Keep all chlldren, bystanders and helpers 15 meters away from the machlne.
lf warning label peels off or becomes soiled and impossible to read, you should contact the
dealer from which you purchased the product to arder new labels and affix them in the
required location(s).
Never modify your machine.
We won warrant the machine, if you use the remodeled brushcutter or if you don observe the
proper usage written in the manual.
3. SYMBOLS ON THE MACHINE
For sale operation and maintenance, symbols are carved in relief on the machine. According to
these indications, please be careful not to make a mistake.
The port to refuel the IX GASOLINE Position: FUEL TANK CAP
The direction to clase the choke Position: AIR CLEANER COVER
The direction to open the choke Position: AIR CLEANER COVER
lf you turn the rod by screwdriver follow the arrow to the AX position, the chain oil flow
more, and if you turn to the IN position, less.
Position: Bottom of the TRANSMISSION
4. FOR SAFE OPERATION
Air filter
Muffler
Throttle cable
Throttle trigger
Shaft tube
Trimmer blade
Quick joint
Transmission
Transmission
Chain cover
Guard
Nylon head
3T blade
Bar and chain
Suspension
Point
Throttle set button
Loop handle

3
1. PARTS LOCATION
2. WARNING LABELS ON THE MACHINE
(1) Read owners manual before operating this machine.
(2) Wear head, eye and ear protection.
(3) Wear foot protection.
(4) Wear gloves.
(5) Beware of thrown objects.
(6) Warning / Attention
(7) Keep all chlldren, bystanders and helpers 15 meters away from the machlne.
lf warning label peels off or becomes soiled and impossible to read, you should contact the
dealer from which you purchased the product to arder new labels and affix them in the
required location(s).
Never modify your machine.
We won warrant the machine, if you use the remodeled brushcutter or if you don observe the
proper usage written in the manual.
3. SYMBOLS ON THE MACHINE
For sale operation and maintenance, symbols are carved in relief on the machine. According to
these indications, please be careful not to make a mistake.
The port to refuel the IX GASOLINE Position: FUEL TANK CAP
The direction to clase the choke Position: AIR CLEANER COVER
The direction to open the choke Position: AIR CLEANER COVER
lf you turn the rod by screwdriver follow the arrow to the AX position, the chain oil flow
more, and if you turn to the IN position, less.
Position: Bottom of the TRANSMISSION
4. FOR SAFE OPERATION
1. Read this manual carefully until you completely understand and follow all
safety and operating instructions.
2. Keep this manual handy so that you may refer to it later whenever any
questions arise. Also note, if you have any questions which cannot be
answered herein, contact the dealer from whom you purchased the product.
3. Always be sure to include this manual when selling, lending, or otherwise
transferring the ownership of this product.
4. Never allow children or anyone unable to fully understand the directions
given in the manual to use the machine.
WORKING CONDITION
should wear proper clothing and protective equipment.
(1) Helmet
(2) Ear protectors
(3) Protection goggles or face protector
(4) Thick work gloves
(5) Non-slip-sole work boots

4
2. And you should carry with you.
(1) Attached tools
(2) Properly reserved fuel
(3) Spare blade
(4) Things to notify your working area (rope, warning signs)
(5) Whistle (for collaboration or emergency)
(6) Hatchet or saw (far removal of obstacles)
3. Do not wear loase clothing, jewelry, short trousers, sandals, or go bare-
foot. Do not wear anything which might be caught by a moving part of the
unit. Secure hair so it is above shoulder length.
WORKING CIRCUMSTANCE
1. Never start the engine inside a closed room or building. Exhaust gases
contain dangerous carbon monoxide.
2. Never use the product,
a. when the ground is slippery or when you cant maintain a steady posture.
b. At night, at times of heavy fog, or at any other times when your field of
vision might be limited and it would be difficult to gain a clear view of the
working area.
c. During rain storms, during lightning storms, at times of strong or gale-for-
ce winds, or at any other times when weather conditions might make it
unsafe to use the product.
WORKING PLAN
1. You should never use the product when under the influence of alcohol,
when suffering from exhaustion or lack of sleep, when suffering from drow-
siness as a result of having taken cold medicine or at any other time when a
possibility exists that your judgment might be impaired or that you might not
be able to operate the product properly and in a safe manner.
2. When planning your work schedule, allow plenty of time to rest. Limit the
amount of time over which the product is to be used continuously to
somewhere around 30 - 40 minutes per session, and take 10 - 20 minutes of
rest between work sessions. Also try to keep the total amount of work
performed in a single day under 2 hours or less.
WARNING!
1. lf you don't observe the working time, or working manner (See SING THE
PRODUCT ), Repetitive Stress lnjury (RSI) could occur.
lf you feel discomfort, redness and swelling of your fingers or any other part
of your body, see a doctor befare getting worse.
2. To avoid noise complaints, in general, operate product between 8 a.m.
and 5 p.m. on weekdays and 9 a.m. to 5 p.m. on weekends.

5
NOTE!
Check and follow the local regulations as to sound level and hours of
operations far the product.
BEFORE STARTING THE ENGINE
1. The area within a perimeter of 15 m of the person using the product
should be considered a hazardous area into which no one should enter. lf
necessary, yellow warning rope, warning signs should be placed around the
perimeter of the area. When work is to be performed simultaneously by two
or more persons, care should also be taken to constantly look around or
otherwise check for the presence and locations of other people working so
as to maintain a distance between each person sufficient to ensure safety.
2. Check the condition of working area to avoid any accident by hitting
hidden obstacles such as stumps, stones, cans, or broken glass.
IMPORTANT
Remove any obstacle before beginning work.
3. lnspect the entire unit for loose fasteners and fuel leakage. Make sure
that the cutting attachment is properly installed and securely fastened.
4. Be sure the cutting attachment guard is firmly attached in place.
5. Always use the harness. Adjust the strap for comfort be/ore starting the
engine. The strap should be adjusted so the left hand can comfortably hold
the handlebar grip approximately waist high.
STARTING THE ENGINE
Keep bystanders and animals at leas! 15 m away from the operating point. lf
you are approached, immediately stop the engine. The product is equipped
with a centrifuga! clutch mechanism, so the cutting attachment begins to
rotate as soon as the engine is started by putting the throttle into the start
position. When starting the engine, place the product onto the ground in a
flat clear area and hold it firmly in place so as to ensure that neither the
cutting part nor the throttle come into contact with any obstacle when the
engine starts.
WARNING
Never place the throttle into the high-speed position when starting the
englne.
3. Alter starting the engine. check to make sure that the cutting attachment
stops rotating when the throttle is moved fully back to its original position. lf
it continues to rotate even alter the throttle has been moved fully back, turn
off the engine and take the unit to your authorized servicing dealer for repair

6
USING THE PRODUCT
IMPORTANT
Cut only materials recommended by the manufacturer. And use only for
tasks explained in the manual.
1. Grip the handles firmly with both hands using your whole hand. Place
your feet slightly apart (slightly further apart than the width of your shoul-
ders) so that your weight is distributed evenly across both legs, and always
be sure to maintain a steady, even posture while working.
2. Keep cutting attachment below waist level.
3. Maintain the speed of the engine at the level required to perform cutting
work, and never raise the speed of the engine above the level necessary.
4. lf the unit starts to shake or vibrate, turn off the engine and check the
whole unit. Do not use it until the trouble has been properly corrected.
5. Keep all parts of your body away from rotating cutting attachment and
hot surfaces.
6. Never touch the muffler, spark plug, or other metallic parts of the engine
while the engine is in operation or immediately alter shutting down the
engine. Doing so could result in serious burns or electrical shock.
7. Never operate the pruner at an angle greater than 60 in order to reduce
the risk of being struck by falling objects during operation.
WARNING!
Approachlng or contactlng electric power lines with pruning saw may cause
serious injury or death from electrocution.
Electricity can jump from one point to another by means of arcing or may be
conducted through damp branches. Maintain a clearance of at least 15m
between Pole saw and any electrlcal llne carrying live current.
IF SOMEONE COMES
1. Guard against hazardous situations at all times. Warn adults to keep pets
and children away from the area. Be careful if you are approached. lnjury
may result from flying debris.
2. lf someone calls out or otherwise interrupts you while working, always be
sure to turn off the engine befare turning around.
MAINTENANCE
1. In arder to maintain your product in proper working arder, perform the
maintenance and checking operations described in the manual at regular
intervals.
2. Always be sure to turn off the engine and disconnect the spark plug wire
befare perfarming any maintenance or checking procedures.

7
1. Read this manual carefully until you completely understand and follow all
safety and operating instructions.
2. Keep this manual handy so that you may refer to it later whenever any
questions arise. Also note, if you have any questions which cannot be
answered herein, contact the dealer from whom you purchased the product.
3. Always be sure to include this manual when selling, lending, or otherwise
transferring the ownership of this product.
4. Never allow children or anyone unable to fully understand the directions
given in the manual to use the machine.
WORKING CONDITION
should wear proper clothing and protective equipment.
(1) Helmet
(2) Ear protectors
(3) Protection goggles or face protector
(4) Thick work gloves
(5) Non-slip-sole work boots
WARNING!
The metallic parts reach high temperatures immediately after stopping
the engine.
3. When replacing the cutting attachment or any other part, or when repla-
cing the oil ar any lubrican!, always be sure to use only authorized products
or prod-ucts which have been certified by your supplier
4. In the event that any part must be replaced or any maintenance or repair
work not described in this manual must be performed, please contact a
representative from the stare nearest ZENOAH autharized servicing dealer
far assistance.
5. Do not use any accessary ar attachment other than those bearing the
ZENOAH mark and recommended for the unit.
6. Under no circumstances should you ever take apart the product ar alter it
in any way. Doing so might result in the product becoming damaged during
operation or the product becoming unable to operate properly.
HANDLING FUEL
1. The engine of our 4 in 1 product is designed to run on a mixed fuel, which
contains highly flammable gasoline. Never stare cans of fuel or refill the tank
of the unit in any place where there is a boiler, stove, wood fire, electrical
sparks, welding sparks, or any other source of heat ar fire which might
ignite the fuel.
2. Never smoke while operating the unit or refilling its fuel tank.
3. When refilling the tank, always turn off the engine and allow it to cool
down. Take a careful look around to make sure that there are no sparks or
open llames anywhere nearby befare refueling.
4. Wipe spilled fuel completely using a dry rag if any fuel spillage occurs
during refueling.
5. Alter refueling, screw the fuel cap back tightly onto the fuel tank and then
carry the unit to a spot 3 m or more away from where it was refueled befare
turning on the engine.
TRANSPORTATION
1. When hand-carrying the product, cover over the cutting part if necessary,
lift up the product and carry it paying attention to the blade.
2. Never transpart the product over rough roads over long distances by
vehicle without removing all fuel from the fuel tank. lf doing so, fuel might
leak from the tank during transport.

8
1. When you finish cutting in one location and wish to continue work in an ·
other spot, turn off the engine, lift up the unit and carry it paying attention
to the blade.
2 Never forget to place the protective cover over the blades.
3. When hand-carrying the product, cover over the cutting part if necessary,
lift up the product and carry it paying attention to the blade.
4. Never transport the product over rough roads over long distances by
vehicle without removing all fuel from the fuel tank. 11 doing so, fuel might
leak from the tank during transport.
KICKBACK SAFETY PRECAUTIONS FOR CHAIN SAW USERS
WARNING
Kickback may occur when the nose or tip of the guide bar touches an
object, ar when the wood clases in and pinches the saw chain in the cut. Tip
contact in sorne cases may cause a lightning fast reverse reaction,kicking
the guide bar up and back towards the operator. Pinching the saw chain
along the top of the guide bar may push the guide bar rapidly back towards
the operator. Either of these reactions may cause you to lose control of the
saw, which could result in serious personal injury.
Do not rely exclusively on the safety devices built into your saw. As a chain
saw user you should take severa! steps to keep cutting jobs free from
accident or injury.
(1) With a basic undarstanding of kickback you can reduce or eliminate the
element of surprise. Sudden surprise contributes to accidents.
(2) Keep a good grip on the saw with both hands, the right hand on the rear
handle, and the left hand on the front handle, when the engine is running.
Use a firm grip with thumbs and fingers encircling the chain saw handles. A
firm grip will help you reduce kickback and maintain control of the saw.
(3) Make certain that the area in which you are cutting is free from obstruc-
tions. Do not let the nose of the guide bar contact a lag, branch, or any
other obstruction which could be hit while you are operating the saw.
(4) Cut at high engine speeds.
(5) Follow the manufactures sharpening and maintenance instructions for
the saw chain.
(6) Only use replacement bars and chains specified by the manufacturer or
the equivalent.
WARNING
Make sure the chain and sprocket are correctly adjusted befare operating
the pruner (see page 32-35 for adjustment procedures). Never attempt
chain adjustment with the engine running! Always make sure the cutting
attachment is properly installed and firmly tightened befare operation.
Nevar use a cracked or warped guida bar: replace it with a serviceable one
and make sure it fits properly.
lf a saw blade should bind fast in a cut, shut off the engine immediately.

9
Push the branch or tree to ease the bind and free the blade.
Do not operate the pole pruner with the muffler removed.
When cutting a limb that is under tension, be alert for springback so that
you will not be struck by the moving limb. Always stop the engine immedia-
tely and check for damage if you strike a foreign object or if the machine
becomes tangled. Do not operate with broken ar damaged equipment.
IMPORTANT
Do not make unauthorized modifications or substitutions to the guide bar or
chain.
Never allow the engine to run at high RPM without a load. Doing so could
damage the engine.
Keep the pruner as clean as possible. Keep it free of loase vegetation, mud,
etc.
5. SET UP
MOUNTING ENGINE
1. Push the shaft tube toward the clutch housing and rotate it by hand to
check that the drive shaft is engaged with the gears.
2. lnsert the shaft tube into the clutch housing until it bottoms, and align the
positioning holes on the clutch housing and the shaft tube and install the
screw. When difficult to engage, twist the engine slightly.
3. Fasten the clamp securely with two screws.
IMPORTANT
Tighten the screws gradually by turns. C
CONNECTING THROTTLE WIRE
1. Remove the air cleaner cover.
2. Connect the end of the throttle wire to the joint on the top of the carbure-
tor.

10
1. Connect throttle wire with carburetor. lnsert the cable to the end of adjus-
ter fix the throttle cable by tightening M3 screw. (Tightening torque: 0.4 - 0.8
N.m.)
2. Make sure the TOPPER-PLATE of carburetor moves to contact with
DLING ADJUST SCREW and the WING-ARM of carburetor moves to contact
with ULL ON STOPPER by gripping throttle lever.
CONNECTING SWITCH WIRES
Connect the switch wires between the engine and the main unit. Pair the
wires of the same color.
SUSPENSION POINT
NOTE
Be the SUSPENSION POINT in the location of the arrow mark.
INSTALLING HANDLE
NOTE
The handle is put during the arrow mark.
Mount the handle to the shaft tube and suspension point it
at a location that is comfortable to you.
Insert the grip to the shaft tube. Fasten the clamps with screws.
lnstall the J-shaped handle to the shaft tube and clamp at a position
best for your job.
JOINT ATTACHMENT
lnsert the attachment to the main shaft. Ighten the knob bolt securely.

11
INSTALLING CUTTING ATTACHMENT GUARD
Put the cutting attachment guard on the gearbox, attach it with the 4
screws and hardware provided.
(1) Cutting attachment guard
(2) Plate
(3) Screw
INSTALLING CUTTING HEAD
1. While locking the gear shatt, by inserting the supplied tool into the upper
holder on the gearbox, loasen and remove the hexagon nut (left-handed).
2. Then screw in the cutting head to the gear shaft over the holders Hand-ti-
ghten it securely.
HARNESS
WARNING
ALWAYS WEARTHE PROVIDED HARNESS WHEN USING THE MACHINE!
Always make sure the machine is hooked securely to the harness.
lf you don't, you will be unable to control the machi ne safely. This can result
in injury to yourself or others. Never use a harness with a detective quick
release or any other damage.
HOW TO WEAR
1. Wear the provided harness without twisted bands, with the hanger on
your right side.
BALANCE THE UNIT
1. Hook your machine to the hanger.
2. Adjust the bands of the harness to have the blade parallel to the ground
when standing in your normal working position to provide you most effecti-
veness and comfort on operating the machine.
3. In arder to preven! the hanger position to change during operation, turn
up the extra par! of the band from the buckle.
4. When correctly adjusted, check the correct working of the harnesses'
QUICK RELEASE.
QUICK HELEASE
The harness is equipped with a "QUICK RELEASE"devise. To release the
machine from the harness in emergency situations, please follow the proce-
dure as explained below.
WARNING
Make sure to check proper working of the QUICK RELEASE devlce BEFORE
operatlng the machlne. Make sure to hold the unit securely when using the
QUICK RELEASE.
While holding the unit by your right hand securely, press both sides of the
buckle. sides of the buckle.

12
ATTACHING THE TRIMMING MECHANISM
(1) Main pipe
(2) Trimming mechanism
(3) Screw hole
(4) Screw
(5) Fastening bolt
1. Remave the screw screwed inta the end al the trimming mechanism.
2. lnsert the end af the trimming mechanism inta the main pipe.
3. Line up the hale an the end af the trimming mechanism into which the
screw is to be inserted with the hale an the main pipe, and screw the screw
firmly in.
4. Using a wrench, screw in the bolt provided to lix the trimming mechanism
into place.
BALANCE UNIT
1. Put on strap and attach unit to strap.
2. Depending an the working posture, slide clamp up or down until unit
balances and the strap fits your body.
ATTACHING THE PRUNING MECHANISM
(1) Main pipe
(2) Transmission
(3) Screw hole
(4) Fastening bolt
(5) Bolt
1. Remave the cap an the end af the main pipe.
2. Remave the screw screwed into the end ol the transmissian.
3. lnsert the end of the gear case into the main pipe.
4. Line up the hale on the end al the transmissian into which the screw is to
be inserted with the hale on the main pipe, and screw the screw firmly in.
5. Using a wrench, screw in the bolt provided to lix the mechanism into
place.
A standard package contains the items as shown below.
(1) Guide bar
(2) Saw chain
(3) Transmission
(4) Sprocket
(5) Chain tension adjust screw
(6) Nut
(7) Chain tensioner nut

13
lnstall the guide bar and the saw chain on the transmission as follows.
WARNING
The saw chain has very sharp edges. Use protective gloves for safety.
1. Loasen a nut and remove the chain cover.
2. Mount the guide bar then lit the saw chain around the bar and sproc-
ket.
WARNING
Pay attention to the correct direction of the saw chaln.
3. Fit the chain tensioner nut into the lower hale ol the guide bar, then
install the chain cover, and lasten the mounting nut to finger tightness.
(1) Hola
(2) Moving direction
(3) Chain tensioner nut
4. Adjust the chain tension by turning the tensioner screw until the tie straps
just touch the bottom side of the bar rail.
(1) Chain tension adjusting screw
(a) Loasen
(b) Tighten
5. Tighten the mounting nut securely with the bar tip held up (TORQUE: 8.9 -
11.7 N.m./90 - 120 kg-cm). Then check the chain for smooth rotation and
correct tension while moving it by hand. lf necessary, readjust.
(1) Tighten
WARNING
lt is very important to maintain the proper chain tension. Rapid wear of
the guide bar or the chain coming off easily can be caused by improper
tension. Especially when using a new chain, take good care of it since it
should expand when first used.

14
BALANCE UNIT
1. Put on strap and attach unit to strap.
2. Depending on the working posture, slide clamp up or down until unit
balances and the strap fits your body.
6. FUEL AND CHAIN OIL
FUEL
WARNING
Gasoline is very flammable. Avoid smoking or bringing any flame or
sparks near fuel. Make sure to stop the engine and allow it cool before
refueling the unit. Select outdoor bare ground for fueling and move at
least 3 m (10 ft) away from the fueling point before starting the engine.
RECOMMENDED MIXING RATIO
GASOLINE 25 : OIL 1
(when using genuine oll)
Exhaust emlsslon are controlled by the fundamental englne parameters and
components (eq., carburatlon, lgnltlon tlmlng and port tlmlng) wlthout
addition of any major hardware or the introduction of an inert material
during combustion. These engines are certified to operate on unleaded
gasoline.
lf you use a gasoline of a lower octane value than prescribed, there is a
danger that the engine temperature may rise and an engine problem such
as piston seizing may consequently occur.
Unleaded gasoline is recommended to reduce the contamination of the air
for the sake of your health and the environment.
Poor quality gasolines or oils may damage sealing rings. fuel lines or fuel
tank of the engine.
HOWTO MIX FUEL
WARNING
Pay attention to agitation.
1. Measure out the quantities of gasoline and oil to be mixed.
2. Put sorne of the gasoline into a clean, approved fuel container.
3. Pour in ali of the oil and agitate well.
4. Pour in the rest of gasoline and agitate again for at leas! one minute. As
sorne oils may be difficult to agitate depending on oil ingredients, sufficient
agitation is necessary for the engine to last long. Be careful that, if the
agitation is insufficient, there is an increased danger of early piston seizing
due to abnormally lean mixture.
5. Pul a clear indication on the outside of the container to avoid mixing up
with gasoline or other containers.
6. lndicate the contents on outside of container for easy identification.

15
FUELING THE UNIT
1. Untwist and remove the fuel cap. Rest the cap on a dustless place.
2. Pul fuel into the fuel tank to 80% of the full capac1ty.
3. Fasten the fuel cap securely and wipe up any fuel spillage around the
unit.
WARNING
1. Select flat and bare ground for fuellng.
2. Move at least 10 feet (3 meters) away from the fueling point before star-
ting the engine.
3. Stop the engine before refueling the unit. At that time, be sure to suffi-
ciently agitate the mixed gasoline in the container.
FOR YOUR ENGINE LIFE, AVOID:
1. FUEL WITH NO OIL (RAW GASOLINE) lt will cause severe damage to the
interna! engine parts very quickly.
2. GASOHOL lt can cause deterioration of rubber and/ or plastic parts and
disruption of engine lubrication.
3. OIL FOR 4-CYCLE ENGINE USE lt can cause spark plug fouling, exhaust
port blocking, or piston ring sticking.
4R Mixed fuels which have been left unused for a period of one month or
more may clog the carburetor and result in the engine failing to operate
properly.
5. In the case of storing the product for a long period of time, clean the fuel
tank alter rendering it empty. Next, actívate the engine and empty the
carburetor of the composite fuel.
6. In the case of scrapping the used mixed oil container, scrap it only at an
authorized repository site.
NOTE
Do not use wasted or regenerated oil that can cause damage to the oil
pump.
7. OPERATION
5. Set the stop switch to the - position. Set the throttle trigger to the start
position (1 -+ 2-+ 3).
Place the unit on a flat, firm place.
Keep the cutting head clear of everything around it.
6. While holding the unit firmly, pull out the starter rope quickly until engine
tires.

16
WARNING
The product is equipped with a centrifuga! clutch mechanlsm, so the
cuttlng attachment begins to rotate as soon as the engine is started by
putting the throttle into the start position. When starting the engine,
place the product onto the ground in a flat clear area and hold it firmly in
place so as to ensure that neither the cutting part nor the throttle come
into contact with any obstacle when the engine starts.
IMPORTANT
Avoid pulling the rope to its end or returning it by releasing the knob. Such
actions can cause starter failures.
7. Move the choke lever downward to open the choke.
And restart engine.
(1) Choke lever
(2) Glose
(3) Open
8. Allow the engine to warm up for a severa! minutes before starting opera-
tion.
NOTE
1. When restarting the engine immediately alter stopping it, leave the choke
open.
2. Overchoking can make the engine hard to start due to excess fuel When
the engine failed to start alter several attempts, open the choke and repeat
pulling the rape, or remove the spark plug and dry it.
STOPPING ENGINE
1. Release the throttle lever and run the engine for hall a minute.
2. Shift the stop switch to the STOP position.
IMPORTANT
Except for an emergency, avoid stopping the engine while pulling the thrott-
le lever.
IMPORTANT
When it doesn't stop at the stop switch, move the choke level to the closed
position.
(1) Choke lever

17
ADJUSTING THROTTLIE CABLIE
The normal play is 1 or 2 mm when measured at the carburetor side end.
Readjust with ths cable adjuster as required.
(1) Cable adjuster
ADJUSTING IDLING SPEED
When the engins tsnds to stop frsqusntly at idling mode, turn the adjusting
screw clockwise.
(1) Idle adjusting screw
2. When the cutting hsad keeps rotating aftsr relsasing ths triggsr, turn ths
adjusting screw countsr-clockwise.
NOTE
arm up the engins before adjusting the idling spsed.
WARNING
The cutting head will start rotating upon the engine starts.
1. Feed fuel into the fuel tank and tighten the cap secursly.
Feed the chain oil into the oil tank and tighten ths cap secursly, too.
(1) Fuel
(2) Chain oil
2. Rest the unit on a flat, fírm place. Keep the cutting head off the ground
and clear of surrounding objects, as it will start rotating upan starting of the
engine.
3. Push the primer several times until overflown fuel flows out in the clear
tube.
4. Move the choke lever to the closed position.
(1) Choka lavar
(2) Glose
(3) Open

18
CUTTING WORK (LINE HEAD USAGE)
WARNING
1. Always wear eye protection such as safety goggles. Never lean over
the rotating cutting head. Rocks or other debris could be thrown into
eyes and face and cause serlous personal lnjury.
2. Keep the cutting attachment guard in place at all times when the unit
is operated.
TRIMMING GRASS AND WEEDS
Always remember that the TIP of the line does cutting. You will achieve
better results by not crowding the line into the cutting area. Allow the unit to
trim at its own pace.
1. Hold the unit so the head is off the ground and is tilted about 20 degrees
toward the sweep direction.
2. You can avoid thrown debris by sweeping from your left to the right.
3. Use a slow, deliberate action to cut heavy growth. The rate of cutting
motion will depend on the material being cut. Heavy growth will require
slower action than will light growth.
4. Never swing the unit so hard as you are in danger of losing your balance
or control of the unit.
5. Try to control the cutting motion with the hip rather than placing the full
workload on the arm and hands.
6. Take precautions to avoid wire, grass and dead, dry, long-stem weeds
from wrapping around the head shaft. Such materials can stall the head and
cause the clutch to slip, resulting in damage to the clutch system if repeated
frequently.
ADJUSTING THE LINE LENGTH
Our brush cutters are equipped with a semi- auto type nylon line head that
allows the operator to advanee the line without stopping the engine. When
the line becomes short, lightly tap the head on the ground while running the
engine at full throttle.
Each time the head is bumped, the line advances about 1 inch (254 mm) For
better effect, tap the head on bear ground or hard soil. Avoid bumping in
thick, tall grass as the engine may stall by overload.

19
CHOOSE THE BLADE
Choose a suitable recommended cutting attachment
according to the object to be cut.
When replacing blade always be sure to use products, which have been
certified by your supplier.
WARNING
When sharpening, removing, or reattaching the blade, be sure to wear thick,
sturdy gloves and use only proper tools and equlpment to prevent lnjury.
SETUP
(1) Cover
(2) Holder
1. Detach the line head assembly completely.
2. Put on the blade, making the marked side face the holder, pul on the
outer holders, and lasten the blade with the blade nut.
IMPORTANT
Change the cutting attachment guard, which is suitable for the metal blade.
TIGHTENING TORQUE: 1 ·5 - 2·º N.m.
(0.15- 0.2 kg.m.)
8. OPERATION (OPTIONAL BLADE USAGE)