848JJ893A0 (709)
BRUSHCUTTERS
BC2311LE
BC2611LE/WE
BC3501LE/WE
BC4501WE
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.
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.
12.Keep firm footholds and balance at all times.
Do not use the unit where footing is unsteady
24.Stop the engine and blade before removing
material that is blocking or entangling the
cutting attachment.
2
For safe operation
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.
15.Warn the operator of the danger of blade
thrust. (Kick back)
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.
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.
3. Always wear eye or face protection and
hearing protection.
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.
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 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.
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.
3
Setup
■ ENGINE
16.When inspecting or servicing the unit, make
sure to stop the engine and disconnect the
spark plug as necessary.
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.
18.When replacing cutting attachment or other
components, be sure to use the parts supplied
or recommended by ZENOAH.
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.
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.
[BC2311LE/BC2611LE/WE]
1. Loosen the bolts temporarily attached to the
clutch housing.
2. Push the drivershaft toward the gearcase and
rotate it by hand to check that the driveshaft is
engaged with the gears.
3. Insert the shaft tube into the clutch housing until
it bottoms. When difficult to engage, twist the
engine slightly.
4. Align the positioning holes on the clutch
housing and the shaft tube and fit the bolt into
the holes. And fasten the tightning bolts by
turns securely.
(Tightning torque: 4.9~7.8N.m. (0.5~0.8kgm))
(1) Positioning hole
(2) Bolt (M5x10)
(3) Tightning bolt (M5x22)
1-9 Minamidai, Kawagoe, Saitama, 350-1165 Japan
ZENOAH CO., LTD.
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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.
the head and cause the clutch to slip, resulting
in damage to the clutch system if repeated
frequently.
ADJUSTING THE LINE LENGTH
(1)
•
Your brushcutters is equipped with a semi- auto
type nylon line head that allows the operator to
advance 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
advance about 1 inch(25.4 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.
(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)
(1) Stop switch
•
6. While holding the unit firmly, pull out the starter
rope quickly until engine fires.
6
Maintenance
WARNING
(1) Idle adjusting screw
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.
NOTE
WARNING
Warm up the engine before adjusting the idling
speed.
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.
■ CUTTING WORK
■ AIR FILTER
•
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.
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.
(1) Shoulder strap
(1) Air filter
•
Choose a suitable recommended cutting
attachment according to the object to be cut.
Never use other cutting attachment not
approved by ZENOAH.
■ FUEL FILTER
IMPORTANT
Avoid pulling the rope to its end or returning it by
releasing the knob. Such actions can cause starter
failures.
When the engine runs
short of fuel supply,
check the fuel cap and
the fuel filter for
blockage.
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.
(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.
NOTE
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.
■ LINE HEAD USAGE
0.6~0.7mm
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 serious
personal injury.
2. Keep the debris guard attached in place at
all times when the unit is operated.
REPLACEMENT PLUG IS A NGK BPMR7A.
■ STOPPING ENGINE
1. Release the throttle trigger and run the engine
for half a minute.
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.
To install the spark plug,
first turn the plug until it is
2. Shift the stop switch to the STOP position.
TRIMMING GRASS AND WEEDS
(1)
•
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)
finger tight, then tighten it a
quarter turn more with a
socket wrench.
1. Hold the unit so the head is off the ground and
is tilted about 20 degrees toward the sweep
direction.
(1) Stop switch
Tightning torque: 9.8~11.8N.m. (1.0~1.2kgm))
2. Use full throttle when cutting.
IMPORTANT
Except for an emergency, avoid stopping the
engine while pulling the throttle lever.
3. You can avoid thrown debris by sweeping from
your left to the right.
■ REFILLING TRIMMING LINE
1. For replacement line, use a diameter of 2.4mm.
The spool is capable for a line upto 6m on the
4” head. Avoid using a larger line as it may cut
down the trimming performance.
2. Pinch the slotted area on the both sides of the
spool housing to unhook the bottom cap.
3. Take out the spool and pull off the old line. Put
one end of new line through the spool holes
and pull it until the length is equal between
each part of the line.
4. Wind up the line in the correct direction as
indicated on the spool.
5. Hook each end of the line in the slot on the
edge of the spool, and then put the ends
4. 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.
5. Never swing the unit so hard as you are in
danger of losing your balance or control of the
unit.
6. Try to control the cutting motion with the hip
rather than placing the full workload on the arm
and hands.
■ 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.
7. Take precautions to avoid wire, grass and
dead, dry, long-stem weeds from wrapping
around the head shaft. Such materials can stall
1~2mm
(1) Cable adjuster
(1)
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through the eyelets on the housing. Make sure
that the spring and the washers are in place.
6. While holding the spool against the housing,
pull the line ends to release them from the slot.
7. Line up the slot on the bottom cap with the hook
on the housing, press the cap against the
housing until it clicks.
■ 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.
■ INTAKE AIR COOLING VENT
WARNING
■ 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.
•
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.
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.
•
■ 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.
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.
■ GEAR CASE
•
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.
•
(1) Cylinder
(2) Intake air cooling vent
7
Specifications
MODEL CODE
Overall size
Length
Unit
BC2311LE
BC2611LE
BC2611WE
BC3501LE
BC3501WE
BC4501WE
mm
mm
mm
Kg
✽
1815
420
295
5.0
G23LS
22.5
←
←
←
←
650
560
5.3
←
←
←
←
←
←
←
1845
420
360
7.1
G35L-D
33.6
←
←
0.74
←
←
650
560
7.6
←
←
←
←
←
←
←
←
←
←
Width
Height
Dry weight
Engine model
5.1
7.8
G45L-D
41.5
←
←
0.94
←
G26LS
25.4
←
←
0.75
←
Displacement
cc
Carburetor
✽
Diaphragm
50:1 (Gasoline and 2cycle oil)
0.6
5000~8000
BPMR7A
Two-shoe Centrifugal-Type
Fuel (Mixture ratio)
Fuel tank capacity
Service range
Spark plug
✽
litter
rpm
✽
←
←
←
←
←
←
Clutch system
✽
←
←
Anti-vibration system
Housing
Handle-bracket
✽
✽
Yes
No
←
←
←
←
←
←
←
Yes
←
←
Gearhead
Neck angle
Reduction ratio
Blade rotation
Handle type
Throttle lever
Standard cutter
Harness type
deg
✽
60
1.462
Counter-clockwise
←
←
←
←
←
←
←
←
←
←
←
Both
←
←
←
1.40
←
Loop
←
←
Double
←
←
←
←
Both
←
←
←
←
←
←
←
←
←
←
✽
✽
Loop
✽
Trigger Type (With Safety-lock)
✽
Nylon
Single
Yes
✽
←
←
←
←
Quick release
✽
Standard accessories
Goggle
✽
✽
✽
●
●
●
←
←
←
←
←
←
←
←
←
←
←
←
←
←
←
Tool-kit
Owner's manual
Specifications are subject to change without notice.
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