Gtech ST20 User manual

OPERATING MANUAL
ORIGINAL INSTRUCTIONS
2016
Cordless Grass Trimmer
Model number: ST20

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IMPORTANT SAFEGUARDS:
IMPORTANT: READ ALL INSTRUCTIONS BEFORE USE.
RETAIN INSTRUCTIONS FOR FUTURE REFERENCE.
Do not use in rain or leave outdoors whilst raining.
WARNING: Basic safety precautions should always be observed when
using an electrical appliance to reduce the risk of re, electrical shock or
serious injury.
Personal Safety:
• Only use the trimmer in the manner
intended and for trimming grass as
described in this manual.
• Keep out of reach of children and
animals at all times.
• Only use in daylight or good articial
light.
• Always be sure of your footing on
uneven ground, slopes or in slippery
conditions.
• Do not over-reach or use on
excessive steep slopes.
• Remove any stones, loose debris and
other objects from the cutting area.
• Pay special attention to the hazards
posed to bystanders by thrown or
yaway objects.
• Stay alert, watch what you are
doing and use common sense when
operating a power tool.
• Do not use power tools while you are
tired or under the inuence of drugs,
alcohol or medication. This may result
in serious personal injury.
• Always be aware of your
surroundings and stay alert for
possible hazards.
• Use protective personal equipment
such as safety glasses, non-skid
safety shoes, sturdy gloves to reduce
the risk of personal injury.
• Do not operate when barefoot or
wearing open toed shoes. Always wear
substantial footwear and long trousers.
• Dress appropriately. Do not wear
loose clothing or jewellery and keep
hair, clothing and gloves away from
moving parts.
• Avoid accidental starting. Ensure the
switch is in the off position before
picking up or carrying the trimmer.
• Do not run with the trimmer.
• When operating the trimmer ensure
that both hands are correctly
positioned on the handle.
• Do not operate the trimmer if it is
incomplete or has unauthorised
modications.
• Keep all body parts, especially hands
and feet, away from the blade at all
times.
• Warning, the blade will continue to
move after the motor is switched off.
• Ensure that the motor has fully
stopped before cleaning, clearing a
blockage, checking, or carrying out
maintenance on the trimmer.
• Carry the grass trimmer by the handle
with the blade stopped.
• The operator is responsible for
accidents or hazards occurring to
other people at their property.
• Never operate the trimmer with
damaged guards or without the
guards in place.
• This appliance is not intended for use by
persons (including children) with reduced

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physical, sensory or mental capabilities or
lack of experience or knowledge.
• Keep the product and all accessories
away from hot surfaces.
• Never modify the trimmer in any way.
• Never t metal cutting blades.
Electrical safety:
• Do not operate trimmers in explosive
atmospheres, such as in the presence
of ammable liquids, gases or dust.
Trimmers create sparks, which may
ignite the dust and fumes.
• Do not use the trimmer when a
thunderstorm is approaching.
• Avoid body contact with earthed or
grounded surfaces, such as pipes.
There is an increased risk of electric
shock if your body is earthed or
grounded.
• Do not expose trimmers to rain or wet
conditions.
• Do not handle the charger or the
trimmer with wet hands.
• Before charging check the power
supply and charger cables for signs of
damage or ageing.
• Do not overload the trimmer. Forcing the
trimmer to cut may damage the motor.
For safety the trimmer will automatically
cut out if the motor becomes overloaded.
If this occurs, wait a few seconds for the
cut out to reset and then use lighter cuts
to trim the grass.
Battery safety:
• Do not attempt to use the charger with
any other product or to charge this
product with any other charger.
• This product contains Li-Ion batteries.
Do not incinerate batteries or expose
to high temperatures, as they may
explode.
• Do not charge the battery when the
surrounding air temperature or the battery
pack is below 0°C or above 45°C.
• After heavy use or in high
temperatures the battery may become
warm. Allow the product to cool for 30
minutes before charging.
• Use only with the battery pack
supplied.
• Leaks from battery cells can occur
under extreme conditions. If the liquid
gets on your skin wash immediately
with soap and water. If the liquid gets
into your eyes, ush them immediately
with cold water for a minimum of 10
minutes and seek urgent medical
attention.
• Do not store the battery outside for
prolonged periods of time, especially
over the winter months.
Training
• Read the instructions carefully. Be
familiar with the controls and the
correct use of the machine.
• Never allow children or people
unfamiliar with these instructions to
use the machine. Local regulations
can restrict the age of the operator.
• Keep in mind that the operator or user
is responsible for accidents or hazards
occurring to other people or their
property.
Preparation
• Before use, always visually inspect
the machine for damaged, missing or
misplaced guards or shields.
• Never operate the machine while people,
especially children, or pets are nearby.
• Before use, check that a new fresh
blade is correctly tted and the hub
screw is tight.

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Operation
• Keep supply and extension cords
away from cutting means.
• Wear eye protection and stout
shoes at all times while operating the
machine.
• Avoid using the machine in bad
weather conditions especially when
there is a risk of lightning.
• Never operate the machine with
damaged guards or shields or without
guards or shields in place.
• Switch on the motor only when the
hands and feet are away from the
cutting means.
• Always disconnect the machine from
the power supply (removable battery)
1) whenever the machine is left
unattended;
2) before clearing a blockage;
3) before checking, cleaning or
working on the machine;
4) after striking a foreign object;
5) whenever the machine starts
vibrating abnormally.
• Always ensure that the ventilation
openings are kept clear of debris.
Maintenance and storage
• Disconnect the machine from the
power supply (removable battery)
before carrying out maintenance or
cleaning work.
• Use only the manufacturer’s
recommended replacement parts and
accessories.
• Inspect and maintain the machine
regularly. Have the machine repaired
only by an authorised repairer.
• When not in use, store the machine
out of the reach of children.
Service:
• Do not use the trimmer if the switch
does not turn it on or off. Any power
tool that cannot be controlled by the
switch is dangerous and must be
repaired or replaced.
• Check for misalignment or binding of
moving parts, breakage of parts and
any other condition that may affect
the trimmer’s operations. If damaged,
have the power tool repaired or
replaced.
• Check that the blade is clean
and without damage. If the blade
becomes worn, a replacement should
be tted before use.
• Before using the machine and after
any impact, check for signs of wear
and damage and repair or replace as
necessary.
• Always ensure that the ventilation
openings are kept clear of debris.
• Have your trimmer serviced by a
qualied repair person using only
genuine replacement parts. This will
ensure that the safety of the trimmer
is maintained.
• Do not attempt to repair any
damaged parts on the trimmer unless
you are qualied to do so.
Intended Use:
• This product is intended for trimming
and edging grass and light foliage.
• Avoid prolonged continuous use of
the product. It is recommended to
periodically rest the product.
•Avoid striking foreign objects, such as
posts, fences and walls.
• This product is intended for
DOMESTIC USE ONLY.

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Warning Label Descriptions
Read instruction
manual before use
Do not use in rain
or leave outdoors
whilst raining.
Wear hearing
protection when
using this product.
General hazard
safety alert.
Keep bystanders
away.
Wear eye protection
when using this
product.
Measured sound power level: 88.28dB(A)
Guaranteed sound power level: 96dB(A)
Note: Measured noise values determined according to
2000/14 EC amended by 2005/88/EC

Grass trimmer main body
Grass trimmer head
Grass trimmer shroud
Battery
Battery charger
Bag of blades
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2
3
4
3
2
5
6
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What’s in the box
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Thank you for choosing a Gtech Grass Trimmer
“I started Gtech to create sensible, easy to use products, which do a great job.
Your opinion is important to us. Please take the time to write a review of your new Grass
Trimmer at Trustpilot.co.uk. We will use your feedback to improve our products and
services and let other people know what it’s like to be part of the Gtech family.”
Nick Grey – Inventor, Owner of Gtech
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Assembly
Attach the shroud rst. Align all three clips on the shroud to the holes on the trimmer
head and simultaneously push them into place. Once on, the shroud cannot be removed.
Insert the body pole into the grass trimmer
head, ensuring it is the right way up.
When the pole is fully inserted, the button (1)
will pop up into the aperture (2)
Insert the battery which will click into place.Hook a blade over the pin and pull to
securely lock into place.
The shapes need to match
or the handle will not t.
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7
1
2
4
3
5
View underneath
There is a third clip underneath
the shroud,in the centre.

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Operation
Push and hold the safety button on either
side, then press the trigger to operate.
When you release the trigger the trimmer
will stop.
Push the button and rotate the head to the
required angle.
Release the button and ensure the head
clicks into a locked position.
Push the button and rotate the handle to the
required angle.
Release the button and ensure the handle
clicks into a locked position.
2
1
safety button
(located both sides)
trigger
safety button
located both
sides

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WARNING: To reduce risk of personal injury, ensure the trimmer is switched off and
the blade has stopped before adjusting the cutting head.
WARNING: Ensure the cutting head is securely locked in position before starting
the trimmer.
WARNING: Do not attempt to remove the blade while the unit is running. Wait
until the blade has stopped before attempting to remove the blade. Never t metal
blades. Only t blades recommended by the manufacturer.
Changing to edge trimming mode
The head only rotates in one direction.
Firmly grip the main unit and rotate the head 1800
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2

Hold the trimmer away from your body using both hands and stand on a solid and
secure surface.
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Using your Grass Trimmer
Firmly grip both handles, move slowly and
steadily using a side to side sweeping
motion.
Firmly grip both handles with the head
rotated, move slowly to trim the edge of the
lawn.
Using to trim grass Using to edge