115 32 08-26 (001)
BRUSHCUTTERS
OWNER’S MANUAL
Thank you for purchasing a ZENOAH product.
Before using our brushcutter, please read this manual carefully
to understand the proper use of your unit.
BC4350FW
1
Explanation of pictorials
(1)
(2)
(3)
(4)
(5)
(6)
(7)
IMPORTANT
If warning label peels off or becomes soiled and
impossible to read, you should contact the dealer
from which you purchased the product to order new
labels and affix them in the required location(s).
15m (50ft)
(1) Read owner’s 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
WARNING
Never modify your machine.
We won’t warrant the machine, if you use the
remodeled brushcutter or if you don’t observe
the proper usage written in the manual.
(7) Keep all children, bystanders and helpers 15 meters away from the machine.
before starting the engine.
10. Check the condition of working area to
avoid any accident by hitting hidden
obstacles such as stumps, stones, cans, or
broken grass.
11. Keep bystanders and animals at least 15
meters away from the operating point, If
you are approached, immediately stop the
engine.
12. Keep firm footholds and balance at all
times. Do not use the unit where footing is
unsteady or slippery.
13. Keep cutting attachment below waist level.
14. Keep all parts of your body away from the
rotating cutting attachment and hot
surfaces.
18. When replacing cutting attachment or other
components, be sure to use the parts
2
For safe operation
supplied or recommended by ZENOAH.
1. Read this manual carefully until you
completely understand and can follow all
safety notes, precautions, and operating
instructions before using of the unit.
2. Do not operate this tool when you are tired,
ill, or under the influence of alchohol, drugs,
or medication.
19. When the unit is turned off, make sure the
cutting attachment has stopped before the
unit is set down.
20. For units equipped with a clutch, be sure
the cutting attachment stops turning when
the engine idles.
21. Use only for tasks explained in the
instruction handbook.
3. Always wear eye or face protection and
hearing protection.
22. Discard blades that are bent, warped,
cracked, broken or damaged in any way.
23. Instructions on stopping a coasting blade.
A blade can injure while it continues to spin
after the engine is stopped or throttle
control is released.
24. Stop the engine and blade before removing
material that is blocking or entangling the
cutting attachment.
4. Do not wear loose clothing, jewelry, short
trousers, sandals, or go barefoot. Do not
wear anything which might be caught by
branches or moving part of the unit. Secure
hair so it is above shoulder length.
5. Never start or run the engine inside a
closed room or building. Exhaust gases
contain dangerous carbon monoxide.
6. Before starting the engine, inspect the
entire unit for loose fasteners and fuel
leakage. Make sure that the cutting
attachment is properly installed and
securely fastened.
7. Be sure the blade guard is attached in
place.
8. Fuel is highly flammable. Always keep open
flames and sparks away from the unit and
fuel depot. Do not smoke while refueling the
unit or mixing fuel.
15. Warn the operator of the danger of blade
thrust. (Kick back)
Blade thrust may occur when the spinning
blade contacts a solid object in the critical
area. A dangerous reaction may occur
causing the entire unit and operator to be
thrust violently. This reaction is called Kick
back. As a result, the operator can lose
control of the unit which can cause serious
or fatal injury. Kick back is more likely to
occur in areas where it is difficult to see the
material to be cut.
25. Use a sharp blade. A dull blade is more
likely to snag and thrust. Replace the
fastening nut according to the
manufacturer's instruction.
26. Cut only material recommended by the
manufacturer. Do not let the blade contact
material it cannot cut, such as rocks, metal
etc.
27. Always wear safety boots, additionally a
helmet is required if there is a risk of
contact with falling objects.
16. When inspecting or servicing the unit, make
sure to stop the engine and disconnect the
spark plug as necessary.
9. When refueling the unit, make sure to stop
the engine and allow it to cool down. Wipe
spilled fuel completely from the unit. Move
at least 3 meters away from fueling site
17. Cover the blade when the transporting or
storing the unit. Secure the unit before for
storage or transporting to prevent loss of
fuel, damage or injury.
1-9 Minamidai, Kawagoe, Saitama, 350-1165 Japan
2. Rest the unit on a flat, firm place. Keep the
cutting head off the ground and clear of
surrounding objects, as it will start rotating
upon starting of the engine.
■ STOPPING ENGINE
1. Release the throttle trigger and run the
engine for half a minute.
6
WARNING
Maintenance
2. Shift the stop switch to the STOP position.
3. Open the fuel tank cock.
Make sure that the engine has stopped and
is cool before performing any service to the
machine. Contact with moving cutting head
or hot muffler may result in a personal
injury.
(1)
(1) Choke lever
(2) Close
(3) Open
(4) Fuel tank cock
(5) Close
(1) Stop switch
■ AIR FILTER
(6) Open
The air filter, if clogged, will reduce the engine
performance. Check and clean the filter
element in warm, soapy water as required. Dry
completely before installing. If the element is
broken or shrunk, replace with a new one.
IMPORTANT
4. Move the choke lever to the closed position.
5. Set the stop switch to the “RUN” position.
Place the unit on a flat, firm place.
Keep the cutting head clear of everything
around it.
Except for an emergency, avoid stopping the
engine while pulling the throttle lever.
■ ADJUSTING THROTTLE CABLE
• The normal play is 1 or 2 mm when
measured at the carburetor side end.
Readjust with the cable adjuster as required.
(1)
(1) Air filter
■ FUEL FILTER
(1) Stop switch
When the engine runs short of fuel supply,
check the fuel cap and the fuel filter for
blockage.
6. While holding the unit firmly, pull out the
starter rope quickly until engine fires.
(1) Cable adjuster
■ ADJUSTING IDLING SPEED
1. When the engine tends to stop frequently at
idling mode, turn the adjusting screw
clockwise.
2. When the cutting head keeps rotating after
releasing the trigger, turn the adjusting
screw counter-clockwise.
(1) Fuel filter
■ SPARK PLUG
Starting failure and misfiring are often caused
by a fouled spark plug. Clean the spark plug
and check that the plug gap is in the correct
range. For a replacement plug, use the correct
type specified by ZENOAH.
WARNING
The product is equipped with a centrifugal
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.
(1) Idle adjusting screw
NOTE
0.6~0.7mm
Warm up the engine before adjusting the idling
speed.
REPLACEMENT PLUG IS A CHAMPION
RCJ6Y.
■ CUTTING WORK
• By using the shoulder strap, hang the unit on
your right side. Adjust the strap length so
that the cutting head may become parallel to
the ground.
IMPORTANT
• Note that using any spark plug other than
those designated may result in the engine
failing to operate properly or in the engine
becoming overheated and damaged.
IMPORTANT
Avoid pulling the rope to its end or returning it
by releasing the knob. Such actions can cause
starter failures.
Shoulder strap
• To install the spark plug, first turn the plug
until it is finger tight, then tighten it a quarter
turn more with a socket wrench.
7. Move the choke lever downward to open the
choke. And restart engine.
8. Allow the engine to warm up for a several
minutes before starting operation.
• Choose a suitable recommended cutting
attachment according to the object to be cut.
Never use other cutting attachment not
approved by ZENOAH.
NOTE
Tightning torque:
9.8~11.8N.m. (1.0~1.2kgm))
1. When restarting the engine immediately after
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 after several attempts, open
the choke and repeat pulling the rope, or
remove the spark plug and dry it.
■ GEAR CASE
• Check the intake air cooling vent and the
area around the cylinder cooling fins after
every 25 hours of use for blockage, and
remove any waste which has attached
itself to the brushcutter. Note that it is
necessary to remove the engine cover
shown in in order to be able to view the
upper part of the cylinder.
■ PROCEDURES TO BE PERFORMED
AFTER EVERY 100 HOURS OF USE
1. Remove the muffler, insert a screwdriver into
the vent, and wipe away any carbon buildup.
Wipe away any carbon buildup on the
muffler exhaust vent and cylinder exhaust
port at the same time.
2. Tighten all screws, bolts, and fittings.
3. Check to see if any oil or grease has worked
its way in between the clutch lining and
drum, and if it has, wipe it away using oil-
free, lead-free gasoline.
• The reduction gears are lubricated by
multipurpose, lithium-based grease in the
gear case. Supply new grease every 25
hours of use or more often depending on the
job condition.
• Remove the bolt opposit to the grease nipple
before installing new grease to arrange for
old grease to exit.
IMPORTANT
If waste gets stuck and causes blockage
around the intake air cooling vent or between
the cylinder fins, it may cause the engine to
overheat, and that in turn may cause
mechanical failure on the part of the
brushcutter.
■ INTAKE AIR COOLING VENT
WARNING
■ MAINTENANCE BEFORE STORAGE
• Old fuel left in the carburetor may cause
starting failure. When a series of operation
finished, make sure to empty the fuel tank
and drain the carburetor.
• Check all parts and the functions. If the
failured or damaged parts have been found,
replace them with new ones.
• Never touch the cylinder, muffler, or
spark plugs with your bare hands
immediately after stopping the engine.
The engine can become very hot when in
operation, and doing so could result in
severe burns.
• When checking the machine to make sure
that it is okay before using it, check the
area around the muffler and remove any
wood chips or leaves which have
attached themselves to the brushcutter.
Failing to do so could cause the muffler
to become overheated and that in turn
could cause the engine to catch on fire.
Always make sure that the muffler is
clean and free of wood chips, leaves, and
other waste before use.
(1) Cylinder
(2) Intake air cooling vent
■ IMUFFLER
WARNING
• Inspect periodically, the muffler for loose
fasteners, any damage or corrosion. If
any sign of exhaust leakage is found,
stop using the machine and have it
repaired immediately.
• Note that failing to do so may result in the
engine catching on fire.
7
Specifications
MODEL CODE
Unit
BC4350FW
Overall size
Length
Width
Height
mm
mm
mm
Kg
✽
1845
650
560
7.8
G45L-F
41.5
Float
Dry weight
Engine model
Displacement
cc
✽
Carburetor
Fuel (Mixture ratio)
Fuel tank capacity
Service range
Spark plug
✽
50:1 (Gasoline and 2cycle oil)
0.8
5000~8000
Champion RCJ6Y
Two-shoe Centrifugal-Type
litter
rpm
✽
Clutch system
✽
Anti-vibration system
Housing
Handle-bracket
✽
✽
Yes
No
Gearhead
Neck angle
deg
✽
60
Reduction ratio
Blade rotation
Handle type
1.400
Counter-clockwise
Double
✽
✽
Throttle lever
Standard cutter
Harness type
✽
Trigger Type (With Safety-lock)
2 Teeth Blade
Double
✽
✽
Quick release
✽
Yes
Standard accessories
Fuel-Tank
✽
✽
✽
●
●
●
Tool-kit
Owner's manual
Specifications are subject to change without notice.
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