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TWO-STROKE PETROL LINE
TRIMMER
ORIGINAL INSTRUCTIONS
HLT25CDSNC
Important! It is essential you read the instructions in this manual before assembling,
operating, and maintaining the product.
Subject to technical modications.
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■ Dangerous Environments. To avoid falling, do not
use the product in damp or wet locations.
■ Controlling the Product. During carburetor
adjustments, the cutting attachment may spin.
Therefore, you should wear protective equipment
and observe all safety instructions when adjusting
the carburetor. For products equipped with a clutch,
be sure the cutting attachment stops turning when the
engine idles. When the product is turned off, make
sure the cutting attachment has stopped before setting
down the product.
■ Use the Right Product. Use the product for the
intended purpose only.
■ Save these instructions. Refer to them frequently
and use them to instruct others who may use the
product. If you loan someone the product, loan them
these instructions also.
GENERAL SAFETY WARNINGS
WARNING
Read and understand all instructions. Failure to follow
all instructions may result in serious personal injury as
well as damage to the product.
■ Physical Condition of the Operator. Do not operate
the product when tired, ill or under the inuence of
alcohol, drugs or medication.
■ Clothing Requirements. Always wear long, heavy
pants, boots and gloves. Do not wear loose clothing,
jewellery, short pants, sandals or go barefoot.
Secure hair so that it is above shoulder level to avoid
entanglement in moving parts.
■ Protective Accessories Requirements. Wear eye
and hearing protection when operating the product.
Before use, inspect the condition of the trimmer.
Replace damaged parts. Check for fuel leaks. Make
sure all fasteners are in place and secure. Replace
cutting attachment parts that are cracked, chipped or
damaged in any way. Make sure the cutting attachment
is properly installed and securely fastened. Be sure
the cutting attachment shield is properly attached and
in the position recommended by the manufacturer.
Use only exible, non-metallic line recommended by
the manufacturer. For example, never use wire or wire
rope, which can break off and become a dangerous
projectile.
■ Proper Stance. Keep firm footing and balance. Do
not overreach. Keep the cutting attachment below
waist level. Keep all parts of your body away from the
rotating cutting attachment and hot surfaces.
■ Exhaust Gases. Never start or run the product inside
a closed room or building. Breathing exhaust fumes
can cause illness or death.
■ Fueling. Mix and pour fuel outdoors where there are
no sparks and ames. Slowly remove the fuel cap only
after stopping the engine. Do not smoke while fueling
or mixing fuel. Wipe spilled fuel from the product.
Move at least 30 ft. (9 m) away from the fueling source
and site before starting the engine.
■ Work Area. Clear the work area to be cut before each
use. Remove all objects, such as rocks, broken glass,
nails, wire, or string, that can be thrown or become
entangled in the cutting attachment. Clear the area
from children, bystanders and pets. At a minimum,
keep all children, bystanders, and pets outside a 50
ft. (15 m) radius. Because there still may be a risk of
injury to bystanders from thrown objects, bystanders
should be encouraged to wear eye protection. If you
are approached while operating the product, stop the
engine and the cutting attachment.
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SYMBOLS
Important: Some of the following symbols may be used on the product. Please study them and learn their meaning.
Proper interpretation of these symbols will allow you to operate the product better and safer.
SYMBOL NAME EXPLANATION
Safety alert
Indicates danger, warning or caution. It means attention. Your safety
is involved.
Read your operator’s
manual
Your manual contains special messages to bring attention to potential
safety concerns as well as operating and servicing information.
Please read all the information carefully to ensure satisfaction and
safe use.
Wear eye, hearing and
head protection
Wear eye, hearing and head protection when operating the product.
Beware of thrown or ying objects. Keep all bystanders (especially
children and pets) at least 15 m away from the work area.
Boots Wear non-slip safety footwear when using the product.
Gloves Wear non-slip, heavy-duty gloves.
No smoking Do not smoke when mixing the fuel or lling the fuel tank.
Petrol
Use regular unleaded petrol intended for motor vehicle use with an
octane rating of 91 ([R+M]/2) or higher. E10 is not recommended.
Oil Use synthetic 2-stroke oil for 2-stroke engines.
Mix petrol and oil Mix the fuel mix thoroughly and also each time before refueling.
No blade Do not install any type of blade on the product.
RPM Decal
Rotational direction and maximum speed of the shaft for the cutting
attachment.
Regulatory Compliance Mark (RCM). The product meets applicable
regulatory requirements.
Set the choke lever to “Run” position (no choke).
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Set the choke lever to “Full” position (choke on).
Set the choke lever to “Half” position.
Place the engine switch to the “I” (On) position.
PRIME - Press the primer bulb 10 times slowly.
Pull the starter rope to start.
Squeeze the throttle trigger to start / run.
To stop the product, place the engine switch to the "O" (Off) position.
Blade hazard Warning! Risk of getting cut. Operate carefully.
11186111
86
Guaranteed sound pressure level and sound power level.
Wait for 10 seconds.
Do not use toothed blade.
The following signal words and meanings are intended to explain the levels of risk associated with the product.
SYMBOL SIGNAL MEANING
DANGER:
Indicates an imminently hazardous situation, which, if not avoided,
will result in death or serious injury.
WARNING:
Indicates a potentially hazardous situation, which, if not avoided,
could result in death or serious injury.
CAUTION:
Indicates a potentially hazardous situation, which, if not avoided,
may result in minor or moderate injury.
CAUTION:
(Without Safety Alert Symbol) Indicates a situation that may result
in property damage.
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2. Upper shaft
3. Guide recess
4. Button
5. Knob
6. Lower shaft
7. PRO-CUT I - Fixed line head
8. Grass shield
9. Cutting line
15. Lock out lever
16. On/Off switch
17. Throttle trigger
18. Primer bulb
19. Starter grip
Figure 2
1. Front handle
2. Upper shaft
10. Wing nut
11. Bolt
Figure 3
8. Grass shield
12. Bolt
13. Flat washer
14. Wing nut
Figure 4a – 4b
20. Full choke position (choke on)
21. Half choke position
22. Run position (no choke)
Figure 7
23. Latch
24. Air lter element
25. Air box cover
Figure 9
26. Spark plug boot
27. Spark plug
ASSEMBLY
UNPACKING
The product requires assembly.
■ Carefully remove the product and any accessories
from the box. Make sure that all items listed in the
packing list are included.
■ Inspect the product carefully to make sure no breakage
or damage occurred during shipping.
SPECIFICATIONS
Weight without fuel
and trimmer head
4.50 kg
Weight without fuel
with trimmer head
4.72 kg
Fuel tank volume 250 ml
Cutting swath 432 mm
Diameter of cutting line 2.4 mm
Engine displacement 26 cc
Maximum engine performance
(in accordance with ISO 8893)
0.65 kW
Maximum rotational frequency of
the spindle
12000 min
-1
Engine speed (rotational
frequency) at idle
2800-3800 min
-1
Fuel consumption (in accordance
with ISO 8893) at max. engine
performance
0.37 kg/h
Specific fuel consumption (in
accordance with ISO 8893) at
max. engine performance
0.57 kg/kw.h
Vibration level - Idling
Front handle 3.3 m/s
2
Rear handle 3.4 m/s
2
Vibration level - Racing
Front handle 9.2 m/s
2
Rear handle 8.3 m/s
2
Measured sound pressure level (in accordance with
EN ISO22868)
Idle
82.7 dB(A)
KpA=3 dB(A)
Racing
103.1 dB(A)
KpA=3 dB(A)
Measured sound power level (in accordance with EN
ISO22868)
Idle
90.0 dB(A)
KWA=3 dB(A)
Racing
107.9 dB(A)
KWA=3 dB(A)
DESCRIPTION
Figure 1
1. Front handle
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shaft (item 2).
■ Loosen the knob (item 5) by turning it counter
clockwise.
■ Align the button (item 4) on the lower shaft ( item 6 )
with the guide recess (item 3) on the upper shaft.
■ Slide the lower shaft into the upper shaft until the
Lower shaft clicks into place.
■ Tighten the knob securely by turning it clockwise.
WARNING
Improper assembly could result in serious personal
injury.
REMOVING THE LOWER SHAFT FROM THE UPPER
SHAFT.
Follow these steps to remove the lower shaft from the
upper shaft.
■ Loosen the knob by turning it counterclockwise.
■ Push the button while pulling out the Lower shaft.
ATTACHING THE FRONT HANDLE
See gure 2.
■ Loosen and remove the bolt (item 11) and wing nut
(item 10) from the upper handle (item 1).
■ Install the front handle onto the upper shaft (item 2) at
the position between foam and warning label.
■ Replace the bolt and wing nut. Tighten the wing nut
securely.
SAFETY GUARD
See gure 3.
■ Remove wing nut (item 14), flat washer (item 13) and
bolt (item 12) from the owner's kit.
■ Place safety guard (item 8) over shaft and bracket.
■ Install bolt through the slots in the tabs on safety guard
and bracket on driveshaft housing.
■ Install flat washer and wing nut.
■ Tighten securely.
ATTACHING THE PRO-CUT I HEAD
■ Remove the paper tube
■ Install PRO-CUT I head assembly on drive shaft.
Secure with spool retainer.
OPERATION
FUEL AND REFUELING
Handling the fuel safely
Always handle fuel with care, it is highly flammable.
■ Always refuel outdoors where there are no sparks and
flames. Do not inhale fuel vapors.
■ Do not let petrol or oil come in contact with your skin.
■ Keep petrol and oil away from the eyes. If petrol
or oil comes in contact with the eyes, wash them
■ Do not discard the packing material until you have
carefully inspected and satisfactorily operated the
product.
PACKING LIST
1. Trimmer (1 unit)
2. Lower shaft assembly (1 pc)
3. Front handle assembly (1 pc)
4. Safety guard assembly (1 pc)
5. PRO-CUT I head and cutting head assembly (1 pc)
6. Combination wrench (1 pc)
7. 2-Stroke Lubricant (1 bottle)
8. Operation manual (1 pc)
WARNING
If any parts are damaged or missing, do not operate the
product until the parts are replaced. Failure to heed this
warning could result in serious personal injury.
WARNING
Do not attempt to modify the product or create
accessories not recommended for use with the product.
Any such alteration or modication is misuse and could
result in a hazardous condition leading to possible
serious personal injury.
WARNING
To prevent accidental starting that could cause serious
personal injury, always disconnect the engine spark
plug wire from the spark plug when assembling parts.
WARNING
To prevent accidental starting that could cause serious
personal injury, always disconnect the engine spark
plug wire from the spark plug when assembling parts.
WARNING
Never attach or adjust any attachment while power
head is running. Failure to stop the engine may cause
serious personal injury.
WARNING
Be certain the knob is fully tightened before operating
the product. Check it periodically for tightness during
use to avoid serious injury.
ATTACHING THE POWER HEAD TO THE TRIMMER
ATTACHMENT
See gure 1.
Follow these steps to connect the lower shaft to the upper
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immediately with clean water. If irritation is still present,
see a doctor immediately.
■ Clean up spilled petrol immediately.
Mixing the fuel
■ The product is powered by a 2-stroke engine and
requires pre-mixing petrol and 2-stroke oil. Store premix unleaded petrol and 2-stroke engine oil in a clean
container approved for petrol.
■ The engine is certified to operate on unleaded petrol
intended for automotive use with an octane rating of
91 ([R + M] / 2) or higher.
■ Do not use any type of pre-mixed petrol / oil from fuel
service stations, this includes the pre-mixed petrol / oil
intended for use in mopeds, motorcycles, etc.
■ Use synthetic 2-stroke oil only. Do not use automotive
oil or 2-stroke outboard oil.
■ Mix 2% synthetic 2-stroke oil into the petrol. This is a
50:1 ratio.
■ Mix the fuel thoroughly and also each time before
fuelling.
■ Mix in small quantities. Do not mix quantities larger
than usable in a 30 day period. Synthetic 2-stroke oil
containing a fuel stabilizer is recommended.
Filling the tank
■ Clean surface around fuel cap to prevent
contamination.
■ Loosen fuel cap slowly to release pressure and to
keep fuel from escaping around the cap.
■ Carefully pour fuel mixture into the tank. Avoid spillage.
■ Prior to replacing the fuel cap, clean and inspect the
gasket.
■ Immediately replace fuel cap and hand tighten. Wipe
up any fuel spillage. Move 9 m away from refueling site
before starting engine.
NOTE: It is normal for smoke to be emitted from a new
engine during and after rst use.
WARNING
Always shut off engine before fueling. Never add fuel to
a machine with a running or hot engine. Move at least
9 m from refueling site before starting engine. Do not
smoke!
50:1 Petrol to Oil Mixing Chart
1 Litre + 20 ml = 50:1 (2%)
2 Litres + 40 ml = 50:1 (2%)
3 Litres + 60 ml = 50:1 (2%)
4 Litres + 80 ml = 50:1 (2%)
5 Litres + 100 ml = 50:1 (2%)
WARNING
The product may throw objects during operation,
causing injury to the operator or to bystanders. Always
wear suitable eye protection, heavy, long pants and
boots while operating the product.
STARTING THE PRODUCT
See gures 4a - 4b.
Starting the product differs depending on whether the
engine is cold (not yet started today) or warm (has been
running in the last hour). Always refer to the Starting
Instructions label on the air lter when starting the engine.
Refer below for full instructions.
To start a cold engine:
Follow these steps to start a cold engine.
NOTE: Lay the product on a flat, bare surface.
1. Ensure the engine switch is in the "I" (ON) position.
2. Press the primer bulb approximately 10 times.
3. Set the choke lever to Full choke (choke on) position
.
4. Hold down the throttle lock out button and squeeze
and hold in the throttle trigger. Holding in the trigger
is “wide open throttle” (WOT). With wide open throttle,
pull the starter grip with a quick, rm and consistent
upward motion (No more than 4 pulls).
NOTE: The engine may start after these 4 pulls.
Proceed following steps if it starts. The engine may be
flooded if you continue to pull the starter grip.
5. Set the choke lever to Half choke position .
6. Hold down the throttle lock out button and squeeze
and hold in the throttle trigger (WOT). With wide open
throttle, pull the starter grip with a quick, rm and
consistent upward motion until the engine starts (No
more than 6 pulls).
NOTE: If engine does not start (after 6 pulls with the
choke lever in the Half position), return to step 3 and
repeat the steps.
7. Run the engine with Half choke for 10 seconds.
8. Set the choke lever to the Run position .
NOTE: With choke lever in the Run position, allow
engine to idle for up to 30 seconds prior to operation.
This will allow the engine to warm up. A warm engine
will perform better than a cold engine.
To start a warm engine:
Follow these steps to start a warm engine.
NOTE: Lay the product on a flat, bare surface.
1. Ensure the engine switch is in the "I" (ON) position.
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2. Press the primer bulb approximately 10 times.
3. Ensure the choke lever is set to Run position .
4. Hold down the throttle lock out button and squeeze
and hold in the throttle trigger. Holding in the trigger
is “wide open throttle” (WOT). With wide open throttle,
pull the starter grip with a quick, rm and consistent
upward motion until the engine starts (No more than
6 pulls).
NOTE: If engine does not start (after 6 pulls with the
choke lever in the Run position), return to step 3 under
"TO START A COLD ENGINE" instructions, and repeat
the steps.
5. With choke lever in the Run position , run the
engine with wide open throttle for 10 seconds prior to
operation.
STOPPING THE PRODUCT
See gure 4c.
■ Release the throttle trigger.
■ Hold down the engine switch to the "O" (OFF) position.
OPERATING THE TRIMMER
See gure 5.
Follow these steps to operate the curved shaft trimmer.
■ Start the trimmer.
■ Hold the trimmer at waist level with your right hand
on the trigger handle and your left hand on the front
handle.
■ Place the product on the right side of your body with
the engine behind and away from your body.
■ Trim grass and weeds with the line parallel to the
ground.
WARNING
Injuries may be caused, or aggravated, by prolonged
use of a tool. When using any tool prolonged periods,
ensure you take regular breaks.
ALWAYS OPERATE TRIMMER AT FULL THROTTLE.
Cut tall grass from the top down. This will prevent grass
from wrapping around the shaft ho
using and PRO-CUT I head, which may cause damage
from overheating. If grass becomes wrapped around the
PRO-CUT I head, stop the engine, disconnect the spark
plug wire, and remove the grass. Prolonged cutting at
partial throttle will result in oil dripping from the silencer.
MAINTENANCE
WARNING
When servicing, use only original manufacturer's
replacement parts. Use of any other parts may create a
hazard or cause product damage.
WARNING
Always wear safety goggles or safety glasses with side
shields during product operation. If operation is dusty,
also wear a dust mask.
WARNING
Before inspecting, cleaning, or servicing the machine,
shut off engine, wait for all moving parts to stop, and
disconnect spark plug lead and move it away from
spark plug. Failure to follow these instructions can
result in serious personal injury or property damage.
WARNING
Neglected or poorly conducted maintenance may
create additional hazards. Do not attempt to repair or
maintain this product if you are not qualied to do so.
If in doubt, return to a service centre for professional
assistance.
GENERAL MAINTENANCE
Avoid using solvents when cleaning plastic parts. Most
plastics are susceptible to damage from various types of
commercial solvents and may be damaged by their use.
Use clean cloths to remove dirt, dust, lubricant, grease.
WARNING
Do not at any time let brake uids, petrol, petroleum-
based products, penetrating lubricants, etc., come
in contact with plastic parts. Chemicals can damage,
weaken, or destroy plastic, which may result in serious
personal injury.
You can often make adjustments and repairs described in
this manual. For other repairs, have the trimmer serviced
by a service dealer.
LINE REPLACEMENT
See gure 6.
1. Take one 500 mm length of 2.4 mm diameter
monolament pre-cut line.
2. Place the middle of the line under the hook/notch
inside the spool.
3. Feed the ends of the line through the eyelets on the
side of the PRO-CUT I xed line head.
4. Pull the line outwards so it is tight and even on both
sides of the spool.
CLEANING THE AIR FILTER
See gure 7.
A dirty air lter will cause starting difculty, loss of
performance, and shorten the life span of the engine.
Check the air lter monthly. For best performance, replace
the air lter at least once a year.
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■ Remove the air filter cover (item 25) by pushing down
on the latch (item 23) with your thumb while gently
pulling on the cover.
■ Remove the air filter (item 24).
■ Clean the foam filter element with warm soapy water.
Rinse and let dry.
NOTE: If the foam filter element is damaged, it should
be replaced.
■ Apply a light coat of engine oil to the foam filter
element, then squeeze it out.
■ Reinstall the air filter.
NOTE: Make sure the filter is seated properly inside
the cover. Installing the filter incorrectly will allow dirt to
enter the engine, causing rapid engine wear.
■ Replace the air filter cover by inserting the slot at the
bottom of the air box cover into the latch at the bottom
of the air box base. Push the air box cover up until it
latches securely in place.
WARNING
Make sure the trimmer head stops rotating when you
release the trigger. Contact with a rotating trimmer head
could cause personal injury.
CHECKING THE FUEL CAP
WARNING
A leaking fuel cap is a re hazard and must be replaced
immediately.
The fuel cap contains a non-serviceable lter and
check valve. A clogged fuel lter causes poor engine
performance. If performance improves when the fuel cap
is loosened, the check valve may be faulty or the lter may
be clogged. Replace the fuel cap if necessary.
SPARK ARRESTOR
See gure 8.
Homelite line trimmer (HLT25CDSNC) is tted with a
spark arrestor, please note it is suggested that the spark
arrester should only be cleaned by a recognized service
agent.
REPLACING THE SPARK PLUG
See gure 9.
This engine uses a Champion RCJ6Y or NGK BPMR7A
spark plug. Use an exact replacement and replace
annually.
Follow these steps to replace the spark plug.
■ Remove the spark plug boot (item 26).
■ Loosen the spark plug (item 27) by turning it
counterclockwise with a 16 mm socket.
■ Remove the spark plug.
■ Hand thread the new spark plug, turning it clockwise.
■ Tighten with a socket. Do not overtighten.
CAUTION
Be careful not to cross-thread the spark plug. Cross-
threading will seriously damage the engine.
STORING THE PRODUCT
Storing the product differs depending on the amount of
time it will be in storage.
Follow these steps for short term product storage.
■ Clean all foreign material from the product.
■ Store the product in a well-ventilated place that is
inaccessible to children.
If you do not intend to use the product for more than one
month, follow the storage procedures below.
■ Drain all fuel from the tank into a container approved
for petrol.
■ Run the engine until it stops.
■ Clean all foreign material from the product.
■ Store the product in a well-ventilated place that is
inaccessible to children.
NOTE: Keep the product away from corrosive agents
such as garden chemicals.
Important: Abide by all local and government
regulations for the safe storage and handling of petrol.
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TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
Engine will not start.
1. Switch set to the O (OFF) position. 1. Set switch to the I (ON) position.
2. No spark.
2. Remove the spark plug. Reattach the spark plug
cap and lay the spark plug on the metal cylinder.
Pull the starter cord and watch for a spark at the
spark plug tip. If there is no spark, repeat the test
with a new spark plug.
3. No fuel. 3. Push primer bulb until the bulb is full of fuel. If the
bulb does not ll, the primary fuel delivery system
is blocked. If the primer bulb lls, the engine may
be ooded. (See next item.)
4. Flooded engine.
4. Turn On/Off switch to "On" position. Turn choke
lever to "Off" position by pushing the choke lever
to the "Run" position. Squeeze and hold in the
throttle trigger (wide open throttle). Pull the starter
rope at least 20 times or until the engine res and
runs.
5. Starter cord is hard to pull.
5. Contact an authorised service dealer.
Engine does not reach full speed and
emits excessive smoke.
1. Check oil fuel mixture. 1. Use fresh fuel and the correct 2-stroke oil mix.
2. Air filter is dirty.
2. Clean the air filter according to the instructions in
the Maintenance section.
3. Spark arrestor screen is dirty. 3. Contact an authorised service dealer.
Grass wraps around the trimmer
head assembly and the attachment
shaft.
1. Cutting tall grass at ground level. 1. Cut tall grass from the top down.
2. Operating the product at part
throttle.
2. Operate the product at full throttle.
Oil drips from muffler.
1. Operating the product at part
throttle.
1. Operate the product at full throttle.
2. Fuel mixture is incorrect. 2. Use fresh fuel and the correct 2-stroke oil mix.
3. Air filter is dirty.
3. Clean the air filter according to the instructions in
the Maintenance section.
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Techtronic Industries Australia Pty. Ltd.
31 Gilby Road, Mount Waverley, VIC 3149
Melbourne, Australia
Techtronic Industries N.Z. Limited
2 Landing Drive, Mangere
Auckland, 2022, New Zealand
961481016-02
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