TrimMac 281
INSTRUCTION MANUAL
IMPORTANT INFORMATION: Please read these instructions carefully and make
sure you understand them before using this unit. Retain these instructions for future
reference.
GB
FR
MANUEL D’INSTRUCTIONS
RENSEIGNEMENTS IMPORTANTS: Avant d’utiliser cet appareil, veuillez lire
atentivement les instructions et assurez--vous de les avoir comprises. Conservez
les instructions pour référence ultérieure.
BETRIEBSANWEISUNG
WICHTIGE INFORMATION: Lesen Sie diese Hinweise zur Handhabung des
Geräts aufmerksam durch. Verwenden Sie es erst, wenn Sie sicher sind, daß Sie
alle Anweisungen verstanden haben und gut aufbewahren.
DE
ES
MANUAL DE INSTRUCCIONES
INFORMACIÓN IMPORTANTE: Lea atentamente las instrucciones y
asegúrese de entenderlas antes de utilizar esta aparato. Conserve las instruc-
ciones para la referencia en el futuro.
530165941
1/1/05
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SAFETY RULES
S Always wear heavy, long pants, long
sleeves, boots, and gloves. Wearingsafety
leg guards is recommended.
WARNING: When using gardening
appliances, basic safety precautions should al-
ways be followed to reduce the risk of fire and
serious injury. Read and follow all instructions.
This power unit can be dangerous! Operator is
responsible for following instructions and warn-
ings on unit and in manual. Read entire instruc-
tion manual before using unit! Be thoroughly fa-
miliar with the controls and the proper use of the
unit. Restrict the use of this unit to persons who
read, understand, and follow instructions and
warnings on unit and in manual. Never allow
children to operate this unit.
S Always wear foot protection. Do not go
barefoot or wear sandals. Stay clear of
spinning line.
S Secure hair above shoulder length. Secure
or remove loose clothing or clothing with
loosely hanging ties, straps, tassels, etc.
They can be caught in moving parts.
S Being fully covered also helps protect you
from debris and pieces of toxic plants
thrown by spinning line.
S Stay Alert. Do not operate this unit when you
are tired, ill, upset or under the influence of al-
cohol, drugs, or medication. Watch what you
are doing; use common sense.
S Wear hearing protection. Long or continu--
ous exposure to high noise levels may
cause permanent hearing impairment.
S Never start or run inside a closed room or
building. Breathing exhaust fumes can kill.
S Keep handles free of oil and fuel.
INSTRUCTION
MANUAL
SAFETY INFORMATION
ON THE UNIT
DANGER: Never use blades with line
trimmer attachment. Never use flailing de-
vices with any attachment. This unit (when
used withsupplied linetrimmer attachment) is
designed for line trimmer use only. Use of any
other accessories with line trimmer attach-
ment will increase the risk of injury.
S Always keep engine on the right hand side
of your body.
S Hold the unit firmly with both hands.
S Keep trimmer head (or other optional at-
tachment) below waist level and away from
all parts of your body. Do not raise engine
above your waist.
S Keep all parts of your body away from muf-
fler and spinning line (or other optional at-
tachment). Keep engine below waist level.
A hot muffler can cause serious burns.
S Keep firm footing and balance. Do not over-
reach or use from unstable surfaces such as
ladders, trees, steep slopes, rooftops, etc.
S Use only in daylight or good artificial light.
S Use only for jobs explained in this manual
(or manuals for optional attachments).
WARNING: Trimmer line throws ob-
jects violently. You and others can be blinded/
injured. Wear safety glasses and leg protec-
tion. Keep body parts clear of rotating line.
UNIT / MAINTENANCE SAFETY
S Disconnect the spark plug before performing
maintenance except carburetor adjustments.
S Look for and replace damaged or loose
parts before each use. Look for and repair
fuel leaks beforeuse. Keep in goodworking
condition.
S Replace trimmer head parts that are
chipped, cracked, broken, or damaged in
any other way before using the unit.
S Maintain unit according to recommended
procedures. Keep cutting line at proper
length.
Keep children, bystanders, and animals 15 me-
ters away. If approached stop unit immediately.
If situations occur which are not covered in
this manual, use care and good judgement. If
you needassistance, contact your authorized
service dealer.
S Use only 2 mm diameter McCulloch® brand
line. Never use wire, rope, string, etc.
S Install required shield properly before using
the unit. Use only specified trimmer head;
make sure it is properly installed and se-
curely fastened.
OPERATOR SAFETY
S Dress properly.
Always wear safety
glasses or similar eye protection when op-
erating, or performing maintenance, on
your unit (safety glasses are available).
Eye protection should be marked Z87.
S Always wear face or dust mask if operation
is dusty.
S Make sure unit is assembled correctly as
shown in this manual.
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S Make carburetor adjustments with lower
end supported to prevent line from contact-
ing any object.
S Cut from your right to your left. Cutting on
left side of the shield will throw debris away
from the operator.
ADDITIONAL SAFETY RULES
FOR OPTIONAL ATTACHMENTS
S Keep others away when making carburetor
adjustments.
S Use only recommended McCulloch® ac-
cessories and replacement parts.
S Have all maintenance and service not ex-
plained in this manual performed by an au-
thorized service dealer.
WARNING: For each optional attach-
ment used, read entire instruction manual be-
fore use and follow all warnings and instruc-
tions in manual and on attachment.
FUEL SAFETY
S Mix and pour fuel outdoors.
WARNING: Ensure handlebar is
S Keep away from sparks or flames.
S Use a container approved for fuel.
S Do not smoke or allow smoking near fuel or
the unit.
installed when using edger or brushcutter at-
tachments. Attach handlebar above arrow on
safety label on the upper shaft (engine end of
unit). If your edger or brushcutter attachment
does not include a handlebar, a handlebar ac-
cessory kit (#530071451) is available from
your authorized service dealer.
S Avoid spilling fuel or oil. Wipe up all fuel spills.
S Move at least 3 meters away from fueling
site before starting engine.
S Stop engine and allow to cool before re-
moving fuel cap.
S Always store gasoline in a container ap-
proved for flammable liquids.
TRANSPORTING AND STORAGE
S Allow the engine to cool; secure unit before
storing or transporting in vehicle.
Handlebar
EDGER SAFETY
S Empty fuel tank before storing or transport-
ing the unit. Use upfuel left in thecarburetor
by starting engine and letting it run until it
stops.
WARNING: Inspect the area to be
edged before each use. Remove objects
(rocks, broken glass, nails, wire, etc.) which
can be thrown by the blade or can wrap
around the shaft.
S Blade rotates momentarily after the trigger
is released. The blade can seriously cut
you or others.
S Allow blade to stop before removing it from
the cut.
S Store unit and fuel in an area where fuel va-
pors cannot reach sparks or open flames
from water heaters, electric motors or
switches, furnaces, etc.
S Store unit so line limiter cannot accidentally
cause injury. Unit can be hung by the shaft.
S Store the unit out of the reach of children.
SPECIAL NOTICE: Exposure to vibra-
tions through prolonged use of gasoline pow-
ered hand tools could cause blood vessel or
nerve damage in the fingers, hands, and
joints of people prone to circulation disorders
or abnormal swellings. Prolonged use in cold
weather has beenlinked to blood vessel dam-
age in otherwise healthy people. If symptoms
occur such as numbness, pain, loss of
strength, change in skin color or texture, or
loss of feeling in the fingers, hands, or joints,
discontinue the use of this tool and seek med-
ical attention. An anti-vibration system does
not guarantee the avoidance of these prob-
lems. Users who operate power tools on a
continual and regular basis must monitor
closely their physical condition and the condi-
tion of this tool.
S Throw away blades that are bent, warped,
cracked, broken or damaged in any other
way. Replace parts that are cracked,
chipped, or damaged before using the unit.
S Do not attempt to remove cut material nor
hold material to be cut when the engine is
running or when cutting blade is moving.
S Always keep the wheel and depth adjusting
skid in contact with the ground.
LINE TRIMMER SAFETY
S Always push the unit slowly over the
ground. Stay alert for uneven sidewalks,
holes in the terrain, large roots, etc.
WARNING: Inspect the area to be
trimmed before each use. Remove objects
(rocks, broken glass, nails, wire, etc.) which
can be thrown by or become entangled in line.
Hard objects can damage the trimmer head
and be thrown causing serious injury.
S Use only for trimming, scalping, mowing and
sweeping. Do not use for edging, pruning or
hedge trimming.
S Always use the handlebar when using edg-
er attachment.
BLOWER/VACUUM SAFETY
WARNING: Inspect area before start-
ing unit. Remove all debris and hard objects
such as rocks, glass, wire, etc. that can rico-
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chet, be thrown, or otherwise cause injury or
damage during operation.
right hand side of the coasting blade with ma-
terial already cut.
S Do not set unit on any surface except a
clean, hard area while engine is running.
Debris such as gravel, sand, dust, grass,
etc., could be picked up by the air intake
and thrown out through discharge opening,
damaging unit, property, or causing serious
injury to bystanders or operator.
S
b
w
S Never place objects inside the blower
tubes, vacuum tubes or blower outlet. Al-
ways direct the blowing debris away from
people, animals, glass, and solid objects
such as trees, automobiles, walls, etc. The
forceofaircan causerocks, dirt, or sticks to
be thrown or to ricochet which can hurt
people or animals, break glass, or cause
other damage.
WARNING: Inspect the area to be cut
before each use. Remove objects (rocks,
broken glass, nails, wire, etc.) which can be
thrown or become entangled in the blade or
trimmer line.
S Never run unit without the proper equip-
ment attached. When using your unit as a
blower, always install blower tubes.
S Check air intake opening, blower tubes or
vacuum tubes frequently, always with en-
gine stopped and spark plug disconnected.
Keep vents and discharge tubes free of de-
bris which can accumulate and restrict
proper air flow.
S Throw away and replace blades that are
bent, warped, cracked, broken or damaged
in any other way.
S Install required shield properly before using
the unit. Use the metal shield for all metal
blade use.
S Useonly specified blade and make sure it is
properly installed and securely fastened.
S Cut from your left to your right. Cutting on
the right side of the shield will throw debris
away from the operator.
S Always use the handlebar and a properly
adjustedshoulder strap withblade (seeAS-
SEMBLY instructions in brushcutter attach-
ment instruction manual).
S Never place any object inair intake opening
as this could restrict proper air flow and
cause damage to the unit.
S Never use for spreading chemicals, fertiliz-
ers, or other substances which may contain
toxic materials.
S To avoid spreading fire, do not use near leaf
or brush fires, fireplaces, barbecue pits,
ashtrays, etc.
CULTIVATOR SAFETY
BRUSHCUTTER SAFETY
WARNING: Rotating tines can cause
serious injury. Keep away from rotating tines.
Stop the engine and disconnect the spark plug
before unclogging tines or making repairs.
DANGER: Blade can thrust violently
away from material it does not cut. Blade
thrust can cause amputation of arms or legs.
WARNING: Do not use trimmer head
WARNING: Inspect the area to be
cultivated before starting the unit. Remove all
debris and hard and sharp objects such as
rocks, vines, branches, rope, string, etc.
S Avoid heavy contact with solid objects that
might stop the tines. If heavy contact oc-
curs, stop the engine and inspect the unit
for damage.
as a fastening device for the blade.
S Never operate the cultivator without thetine
cover in place and properly secured.
S Keep the tines and guard clear of debris.
S After striking a foreign object, stop the en-
gine, disconnect the spark plug and inspect
the cultivator for damage. Repair before re-
starting.
WARNING: The blade continues to
spin after the throttle is released or engine is
turned off. The coasting blade can throw ob-
jects or seriously cut you if accidentally
touched. Stop the blade by contacting the
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S Disconnect attachment from the drive en-
gine before cleaning the tines with a hose
and water to remove any build--up. Oil the
tines to prevent rust.
hands, face and feet at a distance from all
moving parts. Do not attempt to touch or stop
the blade or chain when it is moving.
S Always wear gloves when servicing or
cleaning the tines. The tines become very
sharp from use.
S Do not run unit at high speed unless culti-
vating.
HEDGE TRIMMER SAFETY
DANGER: RISK OF CUT; KEEP
HANDS AWAY FROM BLADE -- B l a d e
moves momentarily after the trigger is re-
leased. Do not attempt to clear away cut ma-
terial when the blade is in motion. Make sure
the switch is in the OFF position, the spark
plug wire is disconnected, and the blade has
stopped moving before removing jammed
materialfromthe cutting blade. Donot grab or
hold the unit by the cutting blade.
WARNING: Falling objects can
cause severe head injury. Wear head protec-
tion when operating this unit with a pole prun-
er attachment.
Blades move
momentarily
after the
Allow blades to stop
before removing
them from the cut.
is
d.
WARNING: To prevent serious injury,
do not use more than one boom extension
with a pole pruner attachment.
WARNING: Inspect the area before
starting the unit. Remove all debris and hard
objects such as rocks, glass, wire, etc. that
can ricochet, be thrown, or otherwise cause
injury or damage during operation.
S Do not use a cutting blade that is bent,
warped, cracked, broken or damaged in
any other way. Have worn or damaged
parts replaced by your authorized service
dealer.
WARNING: Keep the pruner away
from power lines or electrical wires.
S Only use for pruning limbs or branches up
to 4 inches in diameter.
S Do not operate the unit faster than the
speed needed to prune. Do not run the unit
at high speed when not pruning.
S Always stop the unit when work is delayed
or when walking from one cutting locationto
another.
S If you strike or become entangled with afor-
eign object, stop the engine immediately
and check for damage. Have any damage
repaired by an authorized service dealer
before attempting further operations. Dis-
card blades that are bent, warped, cracked
or broken.
S Stop the unit immediately if you feel exces-
sive vibration. Vibration is a sign of trouble.
Inspect thoroughly for loose nuts, bolts or
damage before continuing. Contact an au-
thorized service dealer for repair or re-
placement of affected parts as necessary.
S Always keep unit in front of your body.
Keep all parts of your body away from the
cutting blade.
S Keep the cutting bladeand air vents clear of
debris.
POLE PRUNER SAFETY
WARNING: The reciprocating blade/
rotating chain can cause severe injury. In-
spect the unit before use. Do not operate unit
with a bent, cracked or dull blade or dull chain.
Keep away from the blade/chain.The recipro-
cating blade/rotating chain is sharp. Do not
touch. To prevent serious injury, always stop
engine and ensure blade/chain has stopped
moving, disconnect spark plug, and wear
gloves when changing or handling the blade
or chain.
SNOW THROWER SAFETY
WARNING: Keep hands and feet
away from the rotor when starting or running
the engine. Never attempt to clear the rotor
with the engine/motor running. Stop engine
and disconnect spark plug before unclogging
snow or debris from discharge chute or when
adjusting vanes.
WARNING: A coasting blade/rotating
chain can cause injury while it continues to
move after the engine is stopped. Maintain
proper control of the unit until the blade/chain
has completely stopped moving. Keep
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S Make sure the rotor will spin freely before at-
taching the snowthrower to the powerhead.
S If the rotor will not rotate freely due tofrozen
ice, thaw the unit before thoroughly before
attempting to operate under power.
S Keep the rotor clear of debris.
S Do not throw snow near other people. The
snow thrower could propel small objects at
high speed causing injury.
S After striking a foreign object, stop the en-
gine, disconnect spark plug and inspect the
snowthrower for damage and repair if nec-
essary before restarting unit.
S Never operate the snowthrower near glass
enclosures, automobiles and trucks.Never
attempt to use the snowthrower on a roof.
S Never operate the snowthrower near win-
dow wells, dropoffs, etc.
S Never discharge snow onto public roads or
near moving traffic.
S Clear snow from slopes by going up and
down; never across. Use caution when
changing directions. Never clear snow from
steep slopes.
S Let snowthrower run for a few minutes after
clearing snow so moving parts do not freeze.
S Look behind and use care when backing
up. Exercise caution to avoidslipping or fal-
ling, especially when operating in reverse.
S Know how to stop quickly.
WARNING: Never lean over dis-
charge chute. Rocks or debris could be
thrown into the eyes and face and cause seri-
ous injury or blindness.
WARNING: Inspect the area where
the unit is to be used. Remove objects that
could be thrown or damage the unit. Some
objects may be hidden by fallen snow -- be
alert for the possibility.
S Direct material discharge away from glass
enclosures, automobiles, etc.
S Do not run engine at high speed while not
removing snow.
S Be attentive when using the snowthrower,
and stay alert for holes in the terrain and
other hidden hazards.
ASSEMBLY
2. Remove shipping protector from coupler.
3. Remove the shaft cap from the trimmer
attachment (if present).
WARNING: If received assembled,
repeat all steps to ensure your unit is properly
assembled and all fasteners are secure.
Examine parts for damage. Do not use dam-
aged parts.
4. Position locking/release button of attach-
ment into guide recess of coupler.
5. Push the attachment into the coupler until
the locking/release button snaps into the
primary hole.
It is normal for the fuel filter to rattle in the
empty fuel tank.
6. Before using the unit, tighten the knob se-
curely by turning clockwise.
Finding fuel or oil residue on muffler is normal
due to carburetor adjustments and testing
done by the manufacturer.
INSTALLING TRIMMER ATTACHMENT
CAUTION: When installing trimmer attach-
ment, place the unit on a flat surface for stability.
1. Loosen the coupler by turning the knob
counterclockwise.
Coupler
Primary Hole
Guide Recess
Locking/
Release
Button
Upper
Shaft
Lower
Attachment
Coupr
LOOSEN
Shipping
protector
WARNING: Make sure the locking/
release button is locked in the primary hole
and the knob is securely tightened before op-
erating the unit. All attachments are designed
to be used in the primary hole.
For optional attachments, see the AS-
SEMBLY section of the applicable attach-
ment instruction manual.
Knob
TIGHTEN
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ATTACHING THE SHIELD
ADJUSTING THE HANDLE
WARNING: The shield must be prop-
erly installed. The shield provides partial
protection from the risk of thrown objects to
the operator and others and is equipped with
a line limiter which cuts excess line. The line
limiter (on underside of shield) is sharp and
can cut you.
WARNING: When adjusting the han-
dle, be sure it remains between the trigger
and the safety label. Assist handle must be
positioned only below the arrow.
1. Loosen wing nut on handle.
2. Rotate the handle on the shaft to an up-
right position; retighten wing nut.
1. Remove nut from shield.
2. Insert bracket into slot on shield.
3. Pivot shield until bolt passes through hole
in bracket.
4. Reinstall nut and tighten securely with
wrench (provided).
Slot
Shield
Bracket
Nut
Line Limiter Blade
OPERATION
problems, empty the fuel system before stor-
age for 30 days or longer. Drain the gas tank,
start the engine and let it run until the fuel lines
and carburetor are empty. Use fresh fuel next
season. Never use engine or carburetor
cleaner products in the fuel tank or permanent
damage may occur.
HOW TO STOP YOUR UNIT
S To stop the engine, move the ON/OFF
switch to the OFF position.
WARNING: Be sure to read the fuel
information in the safety rules before you be-
gin. If you do not understand the safety rules,
do not attempt to fuel your unit. Contact an
authorized service dealer.
FUELING ENGINE
WARNING: Remove fuel cap slowly
when refueling.
This engine is certified to operate on unleaded
gasoline. Before operation, gasoline must be
mixed with a good quality 2-cycle air-cooled en-
gine oil. We recommend McCulloch® brand oil
mixed at a ratio of 40:1 (2.5%). A 40:1 ratio is
obtained by mixing 5 liters of unleaded gasoline
with 0,125 liter of oil. DO NOT USE automotive
oil or boat oil. These oils will cause engine dam-
age. When mixing fuel, follow instructions
printed on oil container. Once oil is added to
gasoline, shake container momentarily to as-
sure that the fuel is thoroughly mixed. Always
read and follow the safety rules relating to fuel
before fueling your unit.
ON/OFF Switch
HOW TO START YOUR UNIT
WARNING: Avoid any contact with
the muffler. A hot muffler can cause serious
burns.
STARTING A COLD ENGINE (or a
warm engine after running out of fuel)
IMPORTANT
Experience indicates that alcohol blended
fuels (called gasohol or using ethanol or
methanol) can attract moisture which leads to
separation and formation of acids during stor-
age. Acidic gas can damage the fuel system
of an engine while in storage. To avoid engine
Starting Position
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Throttle
Lock--out
probably flooded. Proceed to STARTING
A FLOODED ENGINE.
Starter Handle
9. Once the engine starts, allow it to run 10
seconds, then move the choke lever to
OFF CHOKE by aligning lever with posi-
tion shown on decal (see following il-
lustration). Allow the unit to run for 30
more seconds at OFF CHOKE before re-
leasing the throttle trigger.
Choke
Lever
Throttle
Trigger
NOTE: If engine dies with the choke le-
ver in theOFF CHOKE position, movethe
choke lever to the HALF CHOKE position
and pull the rope until engine runs, but no
more than 6 pulls.
Primer Bulb
Muffler
NOTE: The throttle lock--out must be engaged
to allow operation of the throttle trigger. The
lock--out is engaged with the palm of your hand
as you grip the throttle handle.
1. Set unit on a flat surface.
Choke
position
decal
2. Move ON/OFF switch to the ON position.
3. Slowly press the primer bulb 6 times.
4. Move choke lever to FULL CHOKE position
by aligning lever with position shown on de-
cal (see illustration below).
STARTING A WARM ENGINE
1. Move ON/OFF switch to the ON position.
2. Move the choke lever to the HALF
CHOKE position.
Choke
position
decal
3. Squeeze and hold the throttle trigger.
Keep throttle trigger fully squeezed until
the engine runs smoothly.
4. Pull starter rope sharply until engine runs,
but no more than 5 pulls.
5. Allow engine to run 15 seconds, then
move the choke lever to the OFF CHOKE
position.
NOTE: If engine has not started, pull starter
rope 5more pulls. If engine still does not run, it
is probably flooded.
5. Squeeze and hold trigger through all re-
maining steps.
6. Pull starter rope handle sharply until en-
gine sounds as if it is trying to start, but do
not pull rope more than 6 times.
7. As soon as engine sounds as if it is trying
to start, move choke lever to HALF
CHOKE by aligning lever with position
shown on decal (see illustration below).
STARTING A FLOODED ENGINE
Flooded engines can be started by placing
the choke lever in the OFF CHOKE position;
then, pull the rope to clear the engine of ex-
cess fuel. This couldrequire pulling the starter
handle many times depending on how badly
the unit is flooded.
Choke
position
decal
If the unit still doesn’t start, refer to TROU-
BLESHOOTING TABLE.
OPERATING THE COUPLER
This model is equipped with a coupler which
enables optional attachments to be installed.
8. Pull starter rope sharply until engine runs,
but no more than 6 pulls. If the engine
doesn’t start after 6 pulls (at the HALF
CHOKE position), move the choke lever
to the FULL CHOKE position and press
the primer bulb6 times. Squeeze andhold
the throttle trigger and pull the starter rope
2 more times. Move the choke lever to the
HALF CHOKE position and pull the start-
er rope until the engine runs, but no more
than 6 pulls.
WARNING: Always stop unit and dis-
connect spark plug before removing or instal-
ling attachments.
REMOVING TRIMMER ATTACH-
MENT (OR OTHER OPTIONAL AT-
TACHMENTS)
CAUTION: When removing or installing at-
tachments, place the unit on a flat surface for
stability.
1. Loosen the coupler by turning the knob
counterclockwise.
NOTE: If engine still doesn’t start, it is
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Upper Shaft
LOOSEN
WARNING: Always wear eye protec-
tion and hearing protection. Never lean over
the trimmer head. Rocks or debris can rico-
chet or be thrown into eyes and face and
cause blindness or other serious injury.
Do not run the engine at a higher speed than
necessary. The cutting line will cut efficiently
when the engine is run at less than full throttle.
At lower speeds, there is less engine noise and
vibration. The cutting line will last longer and will
be less likely to “weld” onto the spool.
Always release the throttle trigger and allow the
engine to return to idle speed when not cutting.
To stop engine:
Coupler
Lower
Attachment
TIGHTEN
Knob
2. Press and hold the locking/release button.
Locking/Release
Button
S Release the throttle trigger.
S Move the ON/OFF switch to the OFF posi-
tion.
Coupler
Lower Attachment
3. While securely holding the engine and up-
per shaft, pull the attachment straight out
of the coupler.
INSTALLING OPTIONAL ATTACH-
TRIMMER LINE ADVANCE
Upper Shaft
Thetrimmer line willadvance approximately 2
in. (5 cm) each time the bottom of the trimmer
head is tapped on the ground with the engine
running at full throttle.
The most efficient line length is the maximum
length allowed by the line limiter.
MENTS
Always keep the shield in place when the tool
is being operated.
1. Remove the shaft cap from the attach-
ment (if present).
To advance line:
2. Position locking/release button of attach-
ment into guide recess of coupler.
3. Push the attachment into the coupler until
the locking/release button snaps into the
primary hole.
S Operate the engine at full throttle.
S Hold the trimmer head parallelto and above
the grassy area.
S Tap the bottom of the trimmer head lightly on
the ground one time. Approximately 5 cm of
line will be advanced with each tap.
Always tap the trimmer head on a grassy
area. Tapping on surfaces such as concrete
or asphalt can cause excessive wear to the
trimmer head.
4. Before using the unit, tighten the knob se-
curely by turning clockwise.
Primary Hole
Coupler
Guide Recess
If the line is worn down to 5 cm or less, more
than one tap will be required to obtain the
most efficient line length.
Locking/ Attachment
Release
Upper
Shaft
WARNING: Use only 2 mm diameter
line. Other sizes and shapes of linewill not ad-
vance properly and will result in improper cut-
ting head function or can cause serious injury.
Do not use other materials such as wire,
string, rope, etc. Wire can break off during
cutting and become a dangerous missile that
can cause serious injury.
Button
WARNING: Make sure the locking/
release button is locked in the primary hole
and the knob is securely tightened before op-
erating the unit.
CUTTING METHODS
OPERATING POSITION
ALWAYS WEAR:
WARNING: Use minimum speed and
do not crowd the line when cutting around
hard objects (rock, gravel, fence posts, etc.),
whichcandamage the trimmer head, become
entangled in the line, or be thrown causing a
serious hazard.
Hearing
Protection
Eye Protection
S The tip of the line does the cutting. You will
achieve the best performance and mini-
mum line wear by not crowding the line into
the cutting area. The right and wrong ways
are shown below.
Long Pants
Heavy Shoes
Cut from your right to your left.
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Tip of the Line
Line Crowded Into
ground andat an angle. Allow the tip of the line
to strike the ground around trees, posts,
monuments, etc. This technique increases
line wear.
Does The Cutting Work Area
Scalping
Wrong
S The line will easily remove grass and
weeds fromaround walls, fences, trees and
flower beds, but it also can cut the tender
bark of trees or shrubs and scar fences.
S For trimming or scalping, use less than full
throttle to increase line life and decrease
head wear, especially:
MOWING -- Your trimmer is ideal for mowing
in places conventional lawn mowers cannot
reach. In the mowing position, keep the line
parallel to the ground. Avoid pressing the
head into the ground as this can scalp the
ground and damage the tool.
S During light duty cutting.
S Near objects around which the line can-
wrap such as small posts, trees or fence
wire.
S For mowing or sweeping, usefull throttle for
a good clean job.
Mowing
TRIMMING -- Hold the bottom of the trimmer
head about 80 mm above the ground and at an
angle. Allow only the tip of the line to make con-
tact. Do not force trimmer line into work area.
SWEEPING -- The fanning action of the rotat-
ing line can be used for a quick and easy
clean up. Keep the line parallel to and above
the surfaces being swept and move the tool
from side to side.
Trimming
Swee
80 mm above
ground
SCALPING -- The scalping technique re-
moves unwanted vegetation. Hold the bottom
of the trimmer head about 80 mm above the
MAINTENANCE
S Debris Shield -- Discontinue use of unit if
debris shield is damaged.
WARNING: Disconnect the spark
plug before performing maintenance except
for carburetor adjustments.
INSPECT AND CLEAN UNIT AND
LABELS
S After each use, inspect complete unit for
loose or damaged parts. Clean the unit and
labels using a damp cloth with a mild deter-
gent.
CHECK FOR LOOSE
FASTENERS AND PARTS
S Spark Plug Boot
S Air Filter
S Wipe off unit with a clean dry cloth.
S Housing Screws
S Assist Handle Screw
S Debris Shield
CLEAN AIR FILTER
A dirty air filter decreases engine perform-
ance and increases fuel consumption and
harmful emissions. Always clean after every
5 hours of operation.
CHECK FOR DAMAGED OR
WORN PARTS
Contact an authorized service dealer for re-
placement of damaged or worn parts.
1. Clean the cover and the area around it to
keep dirt from falling into the carburetor
chamber when the cover is removed.
2. Remove parts as illustrated.
S ON/OFF Switch -- Ensure ON/OFF switch
functions properly by moving the switch to
the OFF position. Make sure engine stops;
then restart engine and continue.
S Fuel Tank -- Discontinue use of unit if fuel
tank shows signs of damage or leaks.
NOTE: Do not clean filter in gasoline or other
flammablesolvent to avoid creatinga fire haz-
ard or producing harmful evaporative emis-
sions.
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3. Wash the filter in soap and water.
4. Allow filter to dry.
REPLACE SPARK PLUG
Replace the spark plug each year to ensure
the engine starts easier and runs better. Set
spark plug gap at 0,6 mm. Ignition timing is
fixed and nonadjustable.
5. Replace parts.
Air Filter
Button
1. Twist, then pull off spark plug boot.
2. Remove spark plug from cylinder and dis-
card.
Air Filter
Cover
3. Replace with Champion RCJ-6Y spark
plug and tighten securely with a 19 mm
socket wrench.
4. Reinstall the spark plug boot.
SERVICE AND ADJUSTMENTS
REPLACING THE LINE
CARBURETOR ADJUSTMENT
1. Move the ON/OFF switch to the OFF
position.
WARNING: Keep others away when
making idle speed adjustments. The trimmer
head will be spinning during most of this pro-
cedure. Wear your protective equipment and
observe all safety precautions. After making
adjustments, the trimmer head must not
move/spin at idle speed.
2. Disconnect the spark plug lead wire.
3. Remove spool by firmly pulling on tapbut-
ton. Clean entire surface of hub and
spool. Replacewith apre-wound spool, or
cut two lengths of 4 meters of 2 mm diam-
eter McCullochr brand line.
The carburetor has been carefully set at the
factory. Adjustments may benecessary if you
notice any of the following conditions:
S Engine will not idle when the throttle is re-
leased.
WARNING: Never use wire, rope,
string, etc., which can break off and becomea
dangerous missile.
4. Insert ends of the line about 1 cm into the
small hole on the inside of spool.
S The trimmer head moves/spins at idle speed.
Make adjustments with the unit supported so
the cutting attachment is off the ground and
will not make contact with any object. Hold
the unit by hand while running and making ad-
justments. Keep all parts of your body away
from the cutting attachment and muffler.
Idle Speed Adjustment
Spool
Small
Holes
Allow engine to idle. Adjust speed until engine
runs without trimmer headmoving or spinning
(idle speed too fast) or engine stalling (idle
speed too slow).
Line exit holes
Line in Notch
S Turn idle speed screw clockwise to in-
crease enginespeed if enginestalls or dies.
S Turn idle speed screw counterclockwise to
decrease engine speed if trimmer head
moves or spins at idle speed.
Line in Notch
WARNING: Recheck the idle speed
after each adjustment. The trimmer head
must not move or spin at idle speed to avoid
serious injury to the operator or others.
Hub
5. Wind the line evenly and tightly onto the
spool. Wind in the direction of the arrows
found on the spool.
6. Push the line into the notches, leaving 7 --
12 cm unwound.
7. Insert the line into the the exit holes in the
hub as shown in the illustration.
8. Align the notches with the line exit holes.
9. Push spool into hub until it snaps into
place.
10. Pull the lines extending outside of the hub
to release them from the notches.
Air Filter
Cover
Idle Speed
Screw
If you require further assistanceor are unsure
about performing this procedure, contact an
authorized service dealer.
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STORAGE
ENGINE
WARNING: Perform the following
steps after each use:
S Remove spark plug and pour 1 teaspoon of
40:1, 2-cycle engine oil (air cooled) through
the spark plug opening. Slowly pull the
starter rope 8 to 10 times to distribute oil.
S Replace spark plug with new one of recom-
mended type and heat range.
S Allow engine to cool before storing or trans-
porting.
S Store unit and fuel in a well ventilated area
where fuel vapors cannot reach sparks or
open flames from water heaters, electric
motors or switches, furnaces, etc.
S Empty fuel tank before storing or transport-
ing the unit.
S Clean air filter.
S Check entire unit for loose screws, nuts,
and bolts. Replace any damaged, broken,
or worn parts.
S At the beginning of the next season, use
only fresh fuel having the proper gasolineto
oil ratio.
S Store unit and fuel well out of the reach of
children.
S Store unit with all guards in place. Position
unit so that any sharp object cannot acci-
dentally cause injury.
OTHER
S Do not store gasoline from one season to
another.
SEASONAL STORAGE
Prepare unit for storage at end of season or if
it will not be used for 30 days or more.
If your unit is to be stored for a period of time:
S Clean the entire unit before lengthy stor-
age.
S Replace your gasoline can if it starts to rust.
S Store in a clean dry area.
S Lightly oil external metal surfaces.
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TROUBLESHOOTING TABLE
WARNING: Always stop unit and disconnect spark plugbefore performingall of the
recommended remedies below except remedies that require operation of the unit.
TROUBLE
CAUSE
REMEDY
Engine will not
start.
1. ON/OFF switch in OFF
position.
1. Move ON/OFF switch to ON position.
2. Engine flooded.
2. See “Starting a Flooded Engine” in
Operation Section.
3. Fuel tank empty.
4. Spark plug not firing.
5. Fuel not reaching
carburetor.
3. Fill tank with correct fuel mixture.
4. Install new spark plug.
5. Check for dirty fuel filter; replace.
Check for kinked or split fuel line;
repair or replace.
6. Carburetor requires
adjustment.
6. Contact an authorized service dealer.
Engine will
not idle
properly.
1. Carburetor requires
adjustment.
2. Crankshaft seals worn.
3. Compression low.
1. See “Carburetor Adjustment” in
Service and Adjustments Section.
2. Contact an authorized service dealer.
3. Contact an authorized service dealer.
Engine will not
accelerate,
lacks power,
or dies under
a load.
1. Air filter dirty.
1. Clean or replace air filter.
2. Clean or replace plug
and regap.
2. Spark plug fouled.
3. Carburetor requires
adjustment.
4. Carbon build-up on
muffler outlet screen.
5. Compression low.
3. Contact an authorized service dealer.
4. Contact an authorized service dealer.
5. Contact an authorized service dealer.
Engine
1. Choke partially on.
1. Adjust choke.
smokes
2. Fuel mixture incorrect.
2. Empty fuel tank and refill with
correct fuel mixture.
excessively.
3. Air filter dirty.
4. Carburetor requires
adjustment.
3. Clean or replace air filter.
4. Contact an authorized service dealer.
Engine runs
hot.
1. Fuel mixture incorrect.
1. Empty fuel tank and refill with
correct fuel mixture.
2. Spark plug incorrect.
3. Carburetor requires
adjustment.
4. Carbon build-up on
muffler outlet screen.
2. Replace with correct spark plug.
3. Contact an authorized service dealer.
4. Contact an authorized service dealer.
DECLARATION OF CONFORMITY
relating to 2000/14/EC
EC Declaration of Conformity relating to 2000/14/EC
We, Electrolux Home Products, Inc., Texarkana, TX, 75501, USA, Tél. : +1 903 223
4100, declare under sole responsibility that the McCulloch model TrimMac 281 grass
trimmer was assessed in accordance with Annex V of the DIRECTIVE and from serial
numbers 2004--247N00001 and onwards, conforms to the provisions of the DIRECTIVE.
The cutting width is 431 mm. The measured sound power is 108 dB and the guaranteed
sound power is 114 dB.
Texarkana 04--09--03
Michael S. Bounds, Director
Product Safety and Standards
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DECLARATION OF CONFORMITY
relating to 98/37/EC
EC Declaration of Conformity (Directive 98/37/EC, Annex II, A) (Only applies to
Europe)
We, Electrolux Home Products, Inc., Texarkana, TX, 75501, USA, Tél. : +1 903 223
4100, Declare under sole responsibility that the McCulloch model TrimMac 281 grass
trimmer from serial numbers 2004--247N00001 and onwards, follows the provisions of the
DIRECTIVES : 98/37/EC (machinery) and 89/336/EEC (electromagnetic compatibility),
including amendments and is in conformity with the following standards: EN 292-2, EN
ISO 11806 and CISPR 12.
SMP, The Swedish Machinery Testing Institute, Fyrisborgsgatan 3 S--754 50 Uppsala,
Sweden, has carried out voluntary type approval. The certificate(s) are numbered:
SEC/04/1009.
Texarkana 04--09--03
Michael S. Bounds, Director
Product Safety and Standards
TECHNICAL DATA SHEET
MODEL: TrimMac 281
ENGINE
3
Displacement, cm
28
Maximum engine power, measured in
accordance with ISO 8893, kW
0,64
ENGINE ROTATIONAL SPEEDS
At maximum engine power, rpm
7000
Maximum rotational frequency of the spindle
Engine speed at recommended maximum
spindle rotational frequency
10000
10000
3000
Recommended speed idling, rpm
FUEL AND LUBRICATION SYSTEM
3
Fuel tank volume capacity, cm
325
399
435
5
Fuel consumption at maximum engine power,
measured in accordance with ISO 8893, g/h
Specified fuel consumption at max. engine power,
measured in accordance with ISO 8893, g/kWh
WEIGHT
Without cutting attachment or shield, empty tank, kg
CUTTING ATTACHMENT
Cutting head assembly, part number
#530095846
NOISE LEVELS (Octave Band Analysis 100-10000hz 1/3 Octave)
SOUND PRESSURE LEVELS in accordance with ISO/EN 11806
measured in accordance with EN 27917, dB(A)
SOUND POWER LEVELS in accordance with ISO/EN 11806
measured in accordance with ISO/EN 10884, dB(A)
95,6
105,7
VIBRATION LEVELS measured in accordance with ISO 7916
FRONT HANDLE
2
Idling, m/s
9,18
7,33
2
Racing, m/s
REAR HANDLE
2
Idling, m/s
20,1
10,1
2
Racing, m/s
YEAR OF CONSTRUCTION:
2005
MANUFACTURER’S ADDRESS: Electrolux Outdoor Products Italy
Via Como 72
Valmadrera, Lecco
ITALY I--23868
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