McCulloch Trimmer 281 User Manual

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  
5
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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  
6
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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  
8
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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  
9
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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  
15  
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