Stihl FSA 135 R User manual

FSA 135 R
2 - 24 Instruction Manual

Contents
1 Introduction................................................. 2
2 Guide to Using this Manual.........................2
3 Overview..................................................... 3
4 Safety Precautions......................................4
5 Preparing Trimmer for Operation.............. 11
6 Charging the Battery, LEDs...................... 11
7 Activating and Deactivating Bluetooth®
Radio Interface..........................................12
8 Assembling the Trimmer........................... 12
9 Adjusting Trimmer for User....................... 14
10 Removing and Fitting the Battery..............15
11 Switching the Trimmer On/Off...................15
12 Testing the Trimmer and Battery.............. 16
13 Operating the Trimmer..............................16
14 After Finishing Work..................................18
15 Transporting..............................................18
16 Storing.......................................................18
17 Cleaning....................................................19
18 Maintenance............................................. 19
19 Repairing...................................................20
20 Troubleshooting........................................ 20
21 Specifications............................................21
22 Combinations of Cutting Attachments,
Deflectors and Carrying Systems............. 22
23 Spare Parts and Accessories....................23
24 Disposal.................................................... 23
25 EC Declaration of Conformity................... 23
26 UKCA Declaration of Conformity.............. 24
1 Introduction
Dear Customer,
Thank you for choosing STIHL. We develop and
manufacture our quality products to meet our
customers’ requirements. The products are
designed for reliability even under extreme con‐
ditions.
STIHL also stands for premium service quality.
Our dealers guarantee competent advice and
instruction as well as comprehensive service
support.
STIHL expressly commit themselves to a sus‐
tainable and responsible handling of natural
resources. This user manual is intended to help
you use your STIHL product safely and in an
environmentally friendly manner over a long
service life.
We thank you for your confidence in us and hope
you will enjoy working with your STIHL product.
Dr. Nikolas Stihl
IMPORTANT! READ BEFORE USING AND
KEEP IN A SAFE PLACE FOR REFERENCE.
2 Guide to Using this Manual
2.1 Applicable Documents
The local safety regulations apply.
► In addition to this User Manual, you should
also read, understand and retain the following
documents:
–User Manual and packaging of the cutting
attachment being used
–User manual of the carrying system you are
using
–User Manual for STIHL AR battery
–User Manual for "AP belt bag with connect‐
ing cable"
–Safety notices and precautions for
STIHL AP battery
–User Manual for STIHL AL 101, 301, 301-4,
500 chargers
–Safety information for STIHL batteries and
products with built-in battery:
www.stihl.com/safety-data-sheets
For further information on STIHL connected,
compatible products and FAQs, please visit
www.connect.stihl.com or available from a STIHL
servicing dealer.
The Bluetooth® word mark and logos are regis‐
tered trademarks owned by Bluetooth SIG, Inc.
These word marks/logos are used by STIHL
under license.
Batteries with are equipped with a Bluetooth®
radio interface. Local operating restrictions (in
aircraft or hospitals, for example) must be
observed.
2.2 Symbols used with warnings in
the text
WARNING
■ This symbol indicates dangers that can cause
serious injuries or death.
► The measures indicated can avoid serious
injuries or death.
English
2 0458-662-0121-C
© ANDREAS STIHL AG & Co. KG 2022
0458-662-0121-C. VA0.G22.
Printed on chlorine-free paper Printing inks contain vegetable oils, paper can be recycled.
Translation of Original Instruction Manual 0000009153_009_GB

NOTICE
■ This symbol indicates dangers that can cause
damage to property.
► The measures indicated can avoid damage
to property.
2.3 Symbols in Text
This symbol refers to a chapter in this
instruction manual.
3 Overview
3.1 Brushcutter and Battery
1 2
3
5
#4
7
8
9
10
6
13 16
14
17
15
11
12
0000097098_002
18
19
21
20
#
1 Locking lever
The locking lever holds the battery in the bat‐
tery compartment.
2 Battery compartment
The battery compartment holds the battery.
3Cover1
The cover is the placeholder for a Smart Con‐
nector 2 A.
4 Air filter
The air filter filters the air entering the engine.
5 Control handle
The control handle is used for operating,
holding and controlling the brushcutter.
6 Trigger
The trigger switches the brushcutter on and
off.
7 Trigger lockout
The trigger lockout unlocks the trigger.
8 Release slide
The release slide switches on the brushcutter
and selects the power level.
9 LEDs
These LEDs indicate the selected power
level.
10 Carrying ring
The carrying ring is for attaching the carrying
system.
11 Loop handle
For holding and controlling the brushcutter.
12 Barrier bar
Maintains distance between operator’s leg
and a metal cutting attachment.
13 Shaft
The shaft connects all components.
14 Opening for stop pin
The opening for the stop pin accommodates
the stop pin.
15 Stop pin
The stop pin blocks the shaft while a cutting
attachment is being mounted.
16 Gear housing
The gear housing encloses the gearbox.
17 Screw plug
The screw plug closes the filler opening for
STIHL gear grease.
18 Battery
The battery supplies power to the brushcutter.
19 LEDs
The LEDs indicate the state of charge of the
battery and any faults.
20 Pushbutton
The pushbutton activates the LEDs on the
battery. The pushbutton activates and deacti‐
vates Bluetooth® radio interface (if available).
1The cover is part of the motor housing. Only remove the cover to install a Smart Connector 2 A and
store it safely for later re-installation. Always use the brushcutter with the cover or Smart Connector 2
A installed.
3 Overview English
0458-662-0121-C 3

21 "BLUETOOTH®" LED (only for batteries with
)
The LED indicates the activation and deacti‐
vation of the Bluetooth® interface.
# Rating plate with the machine number
3.2 Deflectors and Cutting Attach‐
ments
The illustrations show examples of deflectors
and cutting attachments. Approved combinations
are listed in this instruction manual, 22.
8
4
0000-GXX-3081-A0
1
2
7
4
5
3
6
1 Universal Deflector
Protects user from flying debris and contact
with the cutting attachment.
2 Grass Cutting Blade
Cuts grass and weeds.
3 Brush knife
Cuts brushwood.
4 Line Limiting Blade
Trims surplus mowing line to correct length.
5 Skirt
Extends universal deflector for use with a
mowing head.
6 Transport Guard
Helps protect user from contact with metal
cutting attachments.
7 Deflector for mowing heads
Protects user from flying debris and contact
with the mowing head.
8 Mowing Head
The mowing head contains the mowing line.
3.3 Symbols
Meanings of symbols that may be on the brush‐
cutter, deflector and battery:
1 LED emits red light. The battery is
too warm or too cold.
4 LEDs flash red. There is a fault in the
battery.
Push the release slide forward to switch
the brushcutter on and set the power lev‐
els.
This icon marks the release slide.
This symbol indicates the direction of
rotation of the cutting attachment.
This icon shows the maximum diame‐
ter of the cutting attachment in millime‐
ters.
This symbol shows the rated speed of the
cutting attachment.
L
W
A
Guaranteed sound power level in
accordance with Directive 2000/14/EC
in dB(A) for the purpose of comparing
the sound emissions of products.
The battery is equipped with a Bluetooth®
radio interface and can be paired with the
STIHL connected app.
The information next to the symbol indi‐
cates the energy content of the battery
according to the cell manufacturer’s specifi‐
cation. The energy content available in
operation is lower.
Do not dispose of the product with domes‐
tic waste.
4 Safety Precautions
4.1 Warning Signs
4.1.1 Warning Symbols
Meanings of warning signs on the brushcutter
and battery:
Observe safety notices and take the
necessary precautions.
Read, understand and keep the
instruction manual.
Wear safety glasses.
If objects are likely to fall while working:
wear a hard hat.
Wear safety boots.
Wear work gloves.
English 4 Safety Precautions
4 0458-662-0121-C

Observe the safety notices on kickback
and take the necessary precautions.
Observe the safety advice concerning
flying objects and associated meas‐
ures.
15m (50ft)
Maintain a safety distance.
Remove the battery during work stop‐
pages, transport, storage, maintenance
or repair.
Do not touch hot surface.
Protect battery from heat and fire.
Do not immerse battery in fluids.
Observe the permitted battery temper‐
ature range.
4.1.2 Deflector for mowing heads
Meanings of warning signs and labels on the
deflector for mowing heads:
Use this deflector for mowing heads.
Do not use this deflector for grass cut‐
ting blades.
Do nit use this deflector for brush kni‐
ves.
Do not use this deflector for shredder
blades.
Do not use this deflector for circular
saw blades.
4.1.3 Universal Deflector and Skirt
Universal deflector
Meanings of warning signs on the universal
deflector:
Do not use this deflector without skirt
for mowing heads.
Use this deflector for grass cutting
blades.
Use use this deflector for brush knives.
Use this deflector for shredder blades.
Do not use this deflector for circular
saw blades.
Skirt
Meanings of warning signs on the skirt:
Use the universal deflector with skirt
and line limiting blade for mowing
heads.
4.2 Intended Use
The STIHL FSA 135 R brushcutter is designed
for the following applications:
–With a mowing head: mowing grass
–With a grass cutting blade: mowing grass and
weeds
–with a brush knife: Cutting brush with a stem
diameter up to 20 mm
The brushcutter may be used in the rain.
The brushcutter is powered by a STIHL AP bat‐
tery or a STIHL AR battery.
The battery with in combination with the
STIHL connected app enables customization and
the transfer of information to the battery using
Bluetooth® technology.
WARNING
■Batteries not explicitly approved for the brush‐
cutter by STIHL may cause a fire or an explo‐
sion. Persons may be seriously or fatally
injured, and property may be damaged.
4 Safety Precautions English
0458-662-0121-C 5

► Use the brushcutter with a STIHL AP bat‐
tery or a STIHL AR battery.
■ Using the brushcutter or the battery for purpo‐
ses for which they were not designed may
result in serious or fatal injuries and damage
to property.
►Use the brushcutter as described in this
User Manual.
► Use the battery as described in this User
Manual, the STIHL AR battery User Man‐
ual, the STIHL connected app and at
www.connect.stihl.com.
4.3 The Operator
WARNING
■ Users without adequate training or instruction
cannot recognize or assess the risks involved
in using the trimmer and battery. The user or
other persons may sustain serious or fatal
injuries.
► Read, understand and save the
instruction manual.
► If the trimmer or battery are passed on to
another person: Always give them the
instruction manual.
►Make sure the user meets the following
requirements:
–The user must be rested.
–The user must be in good physical con‐
dition and mental health to operate and
work with the trimmer and battery. If the
user’s physical, sensory or mental abil‐
ity is restricted, he or she may work only
under the supervision of or as instructed
by a responsible person.
–The user is able to recognize and
assess the risks involved in using the
trimmer and battery.
–The user must be of legal age or is
being trained in a trade under supervi‐
sion in accordance with national rules
and regulations.
–The user has received instruction from a
STIHL servicing dealer or other experi‐
enced user before working with the trim‐
mer for the first time.
–The user must not be under the influ‐
ence of alcohol, medication or drugs.
► If you have any queries: Contact a STIHL
servicing dealer for assistance.
4.4 Clothing and equipment
WARNING
■Long hair can be drawn into the brushcutter
during operation. This may result in serious
injury to the user.
►Tie up and confine long hair above your
shoulders.
■ Objects can be thrown at high speed during
operation. This may result in injury to the user.
► Wear close-fitting safety glasses.
Suitable safety glasses are tested in
accordance with EN 166 or national
regulations and available commer‐
cially with the corresponding mark‐
ing.
►Wear face protection.
► Wear long trousers made from resistant
material.
■ Falling objects can cause head injuries.
► If objects are likely to fall while work‐
ing: wear a hard hat
■ Dust can be whipped up during operation.
Whipped up dust can damage the respiratory
passages and cause allergic reactions.
►If dust is generated: Wear a dust respirator
mask.
■ Inappropriate clothing can snag on wood,
brush or the brushcutter. Users not wearing
suitable clothing are at risk of serious injury.
►Wear close-fitting clothing.
► Remove scarves and jewelry.
■ The user may come into contact with the rotat‐
ing cutting attachment during operation. This
may result in serious injury to the user.
►Wear robust footwear.
► If you are using a metal cutting
attachment: Wear steel-toed safety
boots.
► Wear long trousers made from resistant
material.
■ There is a risk of the user coming into contact
with the cutting attachment or the line limiting
blade during cleaning and maintenance work
and when the cutting attachment is mounted
or removed. This may result in injury to the
user.
► Wear work gloves made from resist‐
ant material.
■ Wearing unsuitable footwear may cause the
user to slip. This may result in injury to the
user.
English 4 Safety Precautions
6 0458-662-0121-C

► Wear sturdy, closed-toed footwear with
high-grip soles.
4.5 Work Area and Surroundings
4.5.1 Brushcutter
WARNING
■Bystanders, children and animals are not
aware of the dangers of the brushcutter or fly‐
ing debris. This may result in serious injury to
bystanders, children and animals and damage
to property.
15m (50ft)
► Do not allow bystanders,
children or animals within 15
meters of the work area.
► Maintain a clearance of 15 meters from
objects.
► Do not leave the brushcutter unattended.
► Make sure that children cannot play with
the brushcutter.
■ Electrical components of the brushcutter can
produce sparks. Sparks may cause fires and
explosions in highly flammable or explosive
environments. Persons may be seriously or
fatally injured and property may be damaged.
►Do not work in a highly flammable or explo‐
sive environment.
4.5.2 Battery
WARNING
■Bystanders, children and animals cannot rec‐
ognize or assess the dangers of the battery.
Bystanders, children and animals may be seri‐
ously injured.
►Keep bystanders, children and animals
away from the work area.
► Do not leave the battery unattended.
► Make sure that children cannot play with
the battery.
■ The battery is not protected against all ambi‐
ent conditions. If the battery is exposed to cer‐
tain ambient conditions, the battery may catch
fire, explode or be irreparably damaged. This
may result in serious injury to people and
damage to property.
► Protect battery from heat and fire.
► Do not throw the battery into a fire.
► Use and store the battery at temper‐
atures between ‑ 10 °C and + 50 °C.
► Do not immerse the battery in fluids.
► Keep battery away from small metal parts.
► Do not expose the battery to high pressure.
► Do not expose the battery to microwaves.
► Protect the battery from chemicals and
salts.
4.6 Safe Condition
4.6.1 Brushcutter
The brushcutter is in a safe condition if the fol‐
lowing points are observed:
–The brushcutter is not damaged.
–The brushcutter is clean.
–The controls function properly and have not
been modified.
–A combination of cutting attachment and
deflector recommended in this user manual is
mounted.
–The cutting attachment and deflector are prop‐
erly mounted.
–Genuine STIHL accessories for this brushcut‐
ter are fitted.
–The accessories are correctly attached.
WARNING
■If not in safe condition, components may no
longer operate correctly and safety devices
may be disabled. This may result in serous or
fatal injury to people.
►Work only with an undamaged brushcutter.
► If the brushcutter is dirty: Clean the brush‐
cutter.
► Never attempt to modify your brushcutter.
Exception: Mounting one of the combina‐
tions of cutting attachment and deflector
recommended in this user manual.
►If the controls do not function properly: Do
not use your brushcutter.
► Fit genuine STIHL accessories for this
brushcutter.
► Mount the cutting attachment and deflector
as described in this user manual.
► Attach accessories as described in this
User Manual or in the User Manual for the
accessories.
►Never insert objects in the openings of the
brushcutter.
► Replace worn or damaged labels.
► If you have any doubts, be sure to consult a
STIHL dealer.
4 Safety Precautions English
0458-662-0121-C 7

4.6.2 Deflector
The deflector is in a safe condition if the following
points are observed:
–The deflector is not damaged.
–If you are using the line limiting blade and
skirt: Line limiting blade and skirt are correctly
fitted.
WARNING
■ If components do not comply with safety
requirements, they will no longer function
properly and safety devices may be rendered
inoperative. This can result in serious injuries.
►Work only with an undamaged deflector.
► If you are using the line limiting blade and
skirt: Work with a correctly fitted line limiting
blade and skirt.
►If you have any queries: Contact your
STIHL servicing dealer.
4.6.3 Mowing Head
The mowing head is in a safe condition if the fol‐
lowing points are observed:
–The mowing head is not damaged.
–The mowing head is not jammed.
–The mowing lines are properly installed.
–The wear limits are not exceeded.
WARNING
■If they are in an unsafe condition, parts of the
mowing head or mowing lines may come off
and be ejected at high speed. They may
cause serious injury to persons.
►Work only with an undamaged mowing
head.
► Never use metal objects in place of the
nylon mowing lines.
► Observe and remain inside the wear limits.
► If you have any doubts, be sure to consult a
STIHL dealer.
4.6.4 Metal cutting attachment
The metal cutting attachment is in a safe condi‐
tion if the following points are observed:
–Metal cutting attachment and mounting hard‐
ware are undamaged.
–Metal cutting attachment is not warped.
–Metal cutting attachment is properly mounted.
–Metal cutting attachment is correctly sharp‐
ened.
–Cutting edges of the metal cutting attachment
have no burrs.
–The wear limits are not exceeded.
–If a metal cutting attachment not manufactured
by STIHL is used, it must not be heavier,
thicker, of a different shape, of a lower quality,
or larger in diameter than the largest metal
cutting attachment approved by STIHL.
WARNING
■If it is not in an safe condition, parts of the
metal cutting attachment may come off and be
thrown at high speed. They may cause serious
injury to persons.
►Never work with a damaged metal cutting
attachment or damaged mounting hard‐
ware.
►Sharpen the metal cutting attachment cor‐
rectly.
► Deburr the cutting edges with a file.
► Have the metal cutting attachment bal‐
anced by a STIHL servicing dealer.
► Observe and remain inside the wear limits.
► Use a metal cutting attachment specified in
these instructions for use.
► If you have any doubts, be sure to consult a
STIHL dealer.
4.6.5 Battery
The battery is in safe condition when the follow‐
ing conditions are met:
–The battery is not damaged.
–The battery is clean and dry.
–The battery is working and has not been modi‐
fied.
WARNING
■The battery cannot function safely if it is not in
safe condition. There is a risk of serious injury
to persons.
►Use an undamaged and functioning battery.
► Do not charge a damaged or defective bat‐
tery.
► If the battery is dirty or wet: clean the bat‐
tery and allow it to dry.
► Do not modify the battery.
► Do not insert objects into the apertures in
the battery.
► Never connect the battery terminals to met‐
allic objects and cause a short circuit.
► Do not open the battery.
► Replace worn or damaged warning signs.
■ Fluid may leak from a damaged battery. If the
fluid contacts the skin or eyes, this may cause
irritation.
►Avoid contact with the fluid.
► In the event of contact with the skin: wash
the affected areas with plenty of soap and
water.
►In the event of contact with the eyes: rinse
the eyes with plenty of water for at least 15
minutes and seek medical attention.
English 4 Safety Precautions
8 0458-662-0121-C

■ A damaged or defective battery may emit an
unusual odour, smoke or catch fire. This may
result in serious or fatal injury to people and
damage to property.
►If the battery emits an unusual odour or
smoke: do not use the battery and keep it
away from flammable materials.
►If the battery catches fire: try to extinguish
the battery using a fire extinguisher or
water.
4.7 Working
WARNING
■ In certain situations, the user may no longer
be able to concentrate on their work. This may
result in the user stumbling, falling and suffer‐
ing serious injury.
►Work calmly and in a considered manner.
► If light and visibility are poor: Do not use
your trimmer.
► Operate the trimmer alone.
► Keep the cutting attachment close to the
ground.
► Watch out for obstacles.
► Work standing on the ground and keep your
balance.
► If you feel tired, take a break.
■ The rotating cutting attachment can cut the
user. This may result in serious injury to the
user.
►Do not touch the rotating cutting attach‐
ment.
► If the cutting attachment is blocked by an
object: Switch off the brushcutter and
remove the battery. Only then should you
remove the object.
■If the behavior of the trimmer changes during
operation or feels unusual, it may no longer be
in a safe condition. There is a risk of serious
injury to people and damage to property.
►Stop working, remove the battery and con‐
sult a STIHL dealer.
■ Vibrations may occur during trimmer opera‐
tion.
► Wear gloves.
► Take breaks.
► If signs of a circulatory disturbance occur:
Consult a doctor.
■ If the cutting attachment makes contact with a
foreign object during operation, the object or
parts of it may be thrown at high speed. Per‐
sons may be injured or property damaged.
►Remove foreign objects from the working
area.
■ If the rotating cutting attachment makes con‐
tact with a hard object, sparks may occur and
the cutting attachment may be damaged.
Sparks can cause fires in a flammable envi‐
ronment. Persons may be seriously or fatally
injured and property may be damaged.
►Do not use in a flammable environment.
► Make sure the cutting attachment is in a
safe condition.
■ Note that the cutting attachment continues to
rotate for a short period after you release the
trigger. They may cause serious injury to per‐
sons.
►Wait until the cutting attachment comes to a
complete stop.
■ In an emergency, the user may start to panic
and forget to take off the carrying system. This
may result in serious injury to the user.
►Practice taking off the carrying system.
4.8 Reactive Forces
0000-GXX-3025-A1
Kickout can be caused for the following reasons:
–The shaded area or the black area of the rotat‐
ing metal cutting attachment comes into con‐
tact with a solid object and is suddenly braked.
–The rotating metal cutting attachment gets
pinched in the cut.
The risk of kickout is greatest in the black area.
WARNING
■These situations can abruptly decelerate or
stop rotation of the cutting attachment and
cause the cutting attachment to be thrown to
the right or in the direction of the user (black
arrow). The user can lose control of the trim‐
mer. This can result in serious or fatal injuries.
►Hold the trimmer firmly with both hands.
► Use the working techniques described in
this instruction manual.
► Do not use the black area for cutting.
► Use a combination of cutting attachment,
deflector and carrying system recommen‐
ded in this instruction manual.
4 Safety Precautions English
0458-662-0121-C 9

► Sharpen the metal cutting attachment cor‐
rectly.
► Cut with the motor running at full speed.
4.9 Transporting
4.9.1 Brushcutter
WARNING
■ The gear housing can get hot during opera‐
tion. There is a risk of burn injuries.
► Do not touch a hot gear housing.
■ The brushcutter may tilt over or shift during
transport. Persons may be injured or property
damaged.
► Remove the battery.
► If a metal cutting attachment is mounted: Fit
the transport guard.
► Secure the brushcutter with lashing straps,
belts or a net to prevent it turning over and
moving.
4.9.2 Battery
WARNING
■The battery is not protected against all ambi‐
ent conditions. The battery may be damaged if
it is exposed to certain ambient conditions,
and damage to property may occur.
►Never transport a damaged battery.
■ The battery may turn over or shift during trans‐
port. This may result in injury to people and
damage to property.
►Pack the battery in packaging in such a way
that it cannot move.
► Secure the packaging so that it cannot
move.
4.10 Storing
4.10.1 Brushcutter
WARNING
■Children are not aware of and cannot assess
the dangers of a brushcutter and can be seri‐
ously injured.
► Remove the battery.
► If a metal cutting attachment is mounted: Fit
the transport guard.
► Store the brushcutter out of the reach of
children.
■ Dampness can corrode the electrical contacts
on the brushcutter and metal components.
This can damage the brushcutter.
► Remove the battery.
► Store the brushcutter in a clean and dry
condition.
4.10.2 Battery
WARNING
■ Children are not aware of and cannot assess
the dangers of the battery Children may be
seriously injured.
►Store the battery out of the reach of chil‐
dren.
■ The battery is not protected against all ambi‐
ent conditions. If the battery is exposed to cer‐
tain ambient conditions, the battery may be
irreparably damaged.
►Store the battery in a clean and dry condi‐
tion.
► Store the battery in an enclosed space.
► Store the battery separately from the brush‐
cutter.
► If the battery is stored in the charger, dis‐
connect the mains plug and store the
rechargeable battery at a battery charge
status between 40% and 60% (2 lit green
LEDs).
►Store the battery at a temperature range
between - 10 °C and + 50 °C.
4.11 Cleaning, Maintenance and
Repair
WARNING
■The brushcutter may start up unintentionally if
the battery is left in place during cleaning,
maintenance or repair operations. This may
result in serious injury to people and damage
to property.
► Remove the battery.
■ The gear housing can get hot during opera‐
tion. There is a risk of burn injuries.
► Do not touch a hot gear housing.
English 4 Safety Precautions
10 0458-662-0121-C

■ Aggressive cleaning agents, a water jet or
pointed objects can damage the trimmer,
deflector, cutting attachment or battery. If the
brushcutter, deflector, cutting attachment or
battery are not cleaned correctly, components
may no longer function properly or safety devi‐
ces may be rendered inoperative. They may
cause serious injury to persons.
► Clean the brushcutter, deflector, cutting
attachment and battery as described in this
User Manual.
■If the brushcutter, deflector, cutting attachment
or battery are not serviced or repaired cor‐
rectly, components may no longer function
properly or safety devices may be rendered
inoperative. This may result in serous or fatal
injury to people.
►Do not attempt to service or repair the
brushcutter, deflector or battery yourself.
► If the brushcutter, the deflector or the bat‐
tery require servicing or repairs, contact
your STIHL dealer for assistance.
►Maintain the cutting attachment as descri‐
bed in the User Manual supplied with the
cutting attachment being used or on the
cutting attachment’s packaging.
■The user can be cut by the sharp cutting
edges while cleaning or maintaining cutting
attachments. This may result in injury to the
user.
► Wear work gloves made from resist‐
ant material.
5 Preparing Trimmer for
Operation
5.1 Preparing the Brushcutter for
Operation
The following steps must be performed before
commencing work:
► Ensure that the following components are in a
safe condition:
–Brushcutter, 4.6.1.
–Deflector, 4.6.2.
–Mowing head or metal cutting attachment,
4.6.3 or 4.6.4.
–Battery, 4.6.5.
►Check the battery, 12.2.
► Fully charge battery as described in the User
Manual for the STIHL AL 101, 301, 301-4, 500
chargers.
►Clean the brushcutter, 17.1.
►Mount the loop handle, 8.1.
► Select combination of cutting attachment,
deflector and carrying system, 22.
►Mount the deflector, 8.3.1.
► If you are using a universal deflector together
with a mowing head: Fit the skirt and line limit‐
ing blade, 8.4.1.
► If a metal cutting attachment is used: Mount
the barrier bar, 8.2.
► Mount mowing head or metal cutting attach‐
ment, 8.5.1 or 8.6.1.
►Fit and adjust the carrying system, 9.1.
►Adjust the loop handle, 9.2.
►Balance the brushcutter, 9.3.
►Check the controls, 12.1.
► If you cannot carry out this work: Do not use
your brushcutter and contact your STIHL
authorized dealer for assistance.
5.2 Connecting a battery with Blue‐
tooth® radio interface with the
STIHL connected app
►Activate the Bluetooth® radio interface on the
mobile device.
►Activating the Bluetooth® radio interface on
the battery, 7.1.
► Download the STIHL connected app to the
mobile device from the App Store and create
an account.
► Open and sign in to the STIHL connected app.
► Add the battery in the STIHL connected app
and follow the instructions on the screen.
For contacts and other information, please visit
https://support.stihl.com or see the STIHL con‐
nected app.
The STIHL connected app is available interna‐
tionally.
6 Charging the Battery, LEDs
6.1 Charging the Battery
The charging time depends on various factors,
e.g. the battery temperature or the ambient tem‐
perature. The actual charging time may vary
from the charging time indicated. The charging
time is indicated at www.stihl.com/charging-
times.
► Recharge the battery as described in the User
Manual for the STIHL AL 101, 301, 301-4, 500
chargers.
5 Preparing Trimmer for Operation English
0458-662-0121-C 11

6.2 Displaying the charge level
0000079877_002
20-40%
40-60%
60-80%
80-100%
0-20%
1
► Press the button (1).
The LEDs light up green for about 5 seconds
and indicate the state of charge.
► If the LED on the right flashes green: Charge
the battery.
6.3 LEDs on Battery
The LEDs can show the state of charge or mal‐
functions. The LEDs can glow or flash green or
red.
The state of charge is indicated when the LEDs
glow or flash green.
► If the LEDs glow or flash red: Troubleshooting,
20.
Malfunction in trimmer or battery.
7 Activating and Deactivating
Bluetooth® Radio Interface
7.1 Activating the Bluetooth® Radio
Interface
►If the battery has a Bluetooth® radio interface:
Press and hold the pushbutton until the
"BLUETOOTH®" LED next to the symbol
lights up blue for approximately 3 seconds.
The Bluetooth® radio interface on the battery
is activated.
7.2 Deactivating the Bluetooth®
Radio Interface
►If the battery has a Bluetooth® radio interface:
Press and hold the pushbutton until the
"BLUETOOTH®" LED next to the symbol
lights up blue six times.
The Bluetooth® radio interface on the battery
is deactivated.
8 Assembling the Trimmer
8.1 Mounting the Loop Handle
► Switch off the brushcutter and remove the bat‐
tery.
5
4
6
7
1
2
3
0000-GXX-3083-A2
► Fit the clamp (4) in the loop handle (3).
► Place the loop handle (3) with clamp (4) on the
shaft (5).
► Fit the washers (2) on the screws (1).
► Press the clamp (6) against the shaft (5).
► Insert the screws (1) through holes in the loop
handle (3) and clamps (4 and 6).
► Fit and tighten down the nuts (7) firmly.
8.2 Mounting the Barrier Bar
► Switch off the brushcutter and remove the bat‐
tery.
1
2
3 4
5
6
7
8
0000-GXX-4589-A0
► Insert the nuts (2) in the barrier bar (1) so that
the holes line up.
► Fit the clamp (5) in the loop handle (3).
► Place the loop handle (3) with clamp (5) and
barrier bar (4) on the shaft (6).
► Press the clamp (7) against the shaft (6).
► Insert screws (8) and tighten.
8.3 Mounting and Removing the
Deflector
8.3.1 Mounting the guard
► Switch off the brushcutter and remove the bat‐
tery.
1
2
0000-GXX-3027-A0
English 7 Activating and Deactivating Bluetooth® Radio Interface
12 0458-662-0121-C

► Push the deflector (1) into the guides on the
gear housing up to the limit stop.
► Insert the screws (2) and tighten them firmly.
8.3.2 Removing the Deflector
► Switch off the brushcutter and remove the bat‐
tery.
0000-GXX-3029-A0
1
2
► Unscrew the screws (2).
► Pull off the deflector (1).
8.4 Fitting and Removing the Skirt
8.4.1 Fitting the Skirt
► Switch off the brushcutter and remove the bat‐
tery.
3
2
4
0000-GXX-3028-A1
1
► Slide the guide slot in the skirt (2) onto the uni‐
versal deflector (1) – it must snap into position.
► Push the line limiting blade (3) into the slot in
the skirt (2).
► Insert and tighten down the screw (4) firmly.
8.4.2 Removing the Skirt
► Switch off the brushcutter and remove the bat‐
tery.
1
0000-GXX-3030-A2
2
► Insert the stop pin (2) into the hole in the skirt
(1).
► Remove the skirt (1) with the stop pin (2).
The line limiting blade (1) can be left on the skirt.
8.5 Mounting and Removing the
Mowing Head
8.5.1 Mounting the Mowing Head
► Switch off the brushcutter and remove the bat‐
tery.
2
3
4
0000-GXX-3031-A0
1
4
1
► Place the thrust plate (2) on the shaft (3) so
that its smaller diameter faces up.
► Fit the mowing head (1) on the shaft (3) and
turn it counterclockwise by hand.
► Insert the stop pin (4) in the bore up to the limit
stop and hold it depressed.
► Turn the mowing head (1) counterclockwise
until the stop pin (4) engages in position.
The shaft (3) is now blocked.
► Tighten down the mowing head (1) firmly by
hand.
► Remove the stop pin (4).
8.5.2 Removing the Mowing Head
► Switch off the brushcutter and remove the bat‐
tery.
► Insert the stop pin in the bore up to the limit
stop and hold it depressed.
► Rotate the mowing head until the stop pin
engages in position.
The shaft is now blocked.
► Unscrew the mowing head clockwise.
► Remove the thrust plate.
► Remove the stop pin.
8.6 Removing and Installing Metal
Cutting Attachment
8.6.1 Mounting the Metal Cutting Attach‐
ment
► Switch off the brushcutter and remove the bat‐
tery.
8 Assembling the Trimmer English
0458-662-0121-C 13

1
0000-GXX-3032-A1
2
3
4
5
6
7
► Place the thrust plate (5) on the shaft (6) so
that its smaller diameter faces up.
► Place the metal cutting attachment (4) on the
thrust plate (5). If you are fitting a circular saw
blade or a grass cutting blade with more than
4 cutting edges: Its cutting edges must face in
the same direction as the arrow on the deflec‐
tor.
► Place the thrust washer (3) on the metal cut‐
ting attachment (4) so that its raised side faces
up.
► Place the rider plate (2) on the thrust washer
(3) so that its closed side faces up.
► Insert the stop pin (7) in the bore up to the limit
stop and hold it depressed.
► Rotate the metal cutting attachment (4) coun‐
terclockwise until the stop pin (7) engages in
position.
The shaft (6) is now blocked.
► Fit the nut (1) counterclockwise and tighten it
down firmly.
► Remove the stop pin (7).
8.6.2 Removing the metal cutting attach‐
ment
► Switch off the brushcutter and remove the bat‐
tery.
► Insert the stop pin in the bore up to the limit
stop and hold it depressed.
► Rotate the metal cutting attachment clockwise
until the stop pin engages in position.
The shaft is now blocked.
► Unscrew the mounting nut clockwise.
► Remove the rider plate, thrust washer, metal
cutting attachment and thrust plate.
► Remove the stop pin.
9 Adjusting Trimmer for User
9.1 Fitting and Adjusting the Carry‐
ing System
1 3
22
0000-GXX-4594-A0
► Put on the shoulder strap (1) or full harness
(3).
► Adjust the shoulder strap (1) or full harness (3)
so that the carabiner (2) is about a hand’s
width below your right hip.
Other approved carrying systems are listed in
this User Manual, 22.
9.2 Adjusting and Setting the Loop
Handle
The loop handle can be set to different positions
to suit the height and reach of the user.
► Switch off the brushcutter and remove the bat‐
tery.
a1
0000-GXX-3085-A0
2
3
► Undo the screws (2).
► Move the loop handle (1) to the required posi‐
tion and check that the following conditions
are met:
–The bump guard (3) fits between the loop
handle (1) and carrying ring.
–If you are using a mowing head: a = no
more than 30 cm
–If you are using a metal cutting attachment:
a = no more than 25 cm
► Tighten down the screws (2) so that the loop
handle (1) cannot be rotated on the shaft.
English 9 Adjusting Trimmer for User
14 0458-662-0121-C

9.3 Balancing the Brushcutter
0000-GXX-3585-A0
The cutting attachment should rest lightly on the
ground.
► Switch off the brushcutter and remove the bat‐
tery.
1
2
0000-GXX-4780-A0
► Connect the carrying ring (2) to the carabi‐
ner (1).
► Wait for brushcutter to stop swinging.
► Check the position of cutting attachment. If it
needs adjustment:
2
3
0000-GXX-7809-A0
► Loosen the screw (3).
► Move the carrying ring (2) up or down the
shaft until a correct balanced position is
reached.
► Fully tighten the screw (3).
10 Removing and Fitting the
Battery
10.1 Inserting the Battery
1
2
0000097033-001
► Insert the battery (1) up to the limit stop into
the battery compartment (2).
The battery (1) engages with a click and is
now locked.
10.2 Removing the Battery
► Set the brushcutter on a level surface.
2
1
0000097034-001
► Press both locking levers (1).
The battery (2) is released and can be
removed.
11 Switching the Trimmer
On/Off
11.1 Switching the Brushcutter on
► Hold the brushcutter firmly with your right hand
on the control handle – wrap your thumb
around the handle.
► Hold the brushcutter with your left hand by the
loop handle – wrap your thumb around the
loop handle.
3
1
2
0000097099-001
10 Removing and Fitting the Battery English
0458-662-0121-C 15

► Press the trigger lockout (1) with your hand
and keep it pressed.
► Push the release slide (2) in the direction of
the loop handle with your thumb and hold it
there.
The LEDs emit light to indicate the power level
used last.
► Squeeze and hold the trigger (3) with your
index finger.
The brushcutter accelerates and the cutting
attachment rotates.
The further the trigger (3) is depressed, the
faster the rotation of the cutting attachment.
The brushcutter can also be switched on by first
pressing the release slide (2) and pressing the
trigger lockout (1) within 5 seconds (as long as
the LEDs are flashing). The trigger (3) is now
unlocked and the brushcutter is ready for use.
At power level 3, the brushcutter identifies the
cutting attachment used and automatically sets
the maximum speed.
The LEDs continue flashing for 5 seconds after
the trigger (3) and trigger lockout (1) are
released after switch-on. As long as the LEDs
are flashing, the brushcutter can be switched on
again without having to operate the release slide
(2).
11.2 Switching Off
► Release the trigger and lockout lever at the
same time.
► Wait for the cutting attachment to come to a
standstill.
► If the cutting attachment continues to rotate:
Remove the battery and contact your STIHL
servicing dealer.
The trimmer has a malfunction.
12 Testing the Trimmer and
Battery
12.1 Checking the controls
Trigger lockout and trigger
► Remove the battery.
► Try pressing the trigger without pressing the
trigger lockout.
► If you can press the trigger: Stop using your
brushcutter and contact a STIHL dealer.
The trigger lockout is faulty.
► Press and hold the trigger lockout.
► Squeeze and release the trigger.
► If the trigger or trigger lockout is stiff or does
not spring back to the idle position: Do not use
your brushcutter and contact your STIHL
dealer for assistance.
The trigger or the trigger lockout is defective.
Switching the Brushcutter on
► Insert battery.
► Press and hold the trigger lockout.
► Push the release slide in the direction of the
loop handle with your thumb.
► Press and hold the trigger.
The cutting attachment rotates.
► If 3 LEDs on the battery flash red: Remove the
battery and contact your STIHL dealer for
assistance.
The brushcutter has a malfunction.
► Release the trigger.
The cutting attachment stops rotating after a
brief delay.
► If the cutting attachment continues to rotate:
Remove the battery and contact your STIHL
dealer.
The brushcutter is defective.
12.2 Testing the Battery
► Press button on battery.
The LEDs glow or flash.
► If the LEDs do not glow or flash: Do not use
the battery and contact your STIHL servicing
dealer.
There is a malfunction in the battery.
13 Operating the Trimmer
13.1 Holding and Controlling the
Brushcutter
1
2
0000-GXX-4780-A0
► Connect the carrying ring (2) to the carabi‐
ner (1).
English 12 Testing the Trimmer and Battery
16 0458-662-0121-C

If you are using a mowing head:
0000-GXX-4604-A0
► Hold the brushcutter firmly with one hand on
the control handle – wrap your thumb around
the handle.
► Hold the brushcutter with your other hand on
the loop handle – wrap your thumb around the
loop handle.
If you are using a metal cutting attachment:
0000-GXX-4605-A0
► Hold the brushcutter firmly with your right hand
on the control handle – wrap your thumb
around the handle.
► Hold the brushcutter with your left hand by the
loop handle – wrap your thumb around the
loop handle.
13.2 Setting the performance level
Depending on the application, 3 power levels
can be set. The LEDs indicate the selected
power level. The higher the power level, the
faster the cutting attachment can run.
The selected power level affects the battery’s
runtime. The lower the power level, the longer
the runtime.
1
2
0000097100-001
► Depress the trigger lockout (1) and hold it in
that position.
► Push the release slide (2) in the direction of
the loop handle with your thumb and hold it
there.
The LEDs glow and show the power level
selected.
► Push the release slide (2) forwards, hold it
briefly in that position and allow it to spring
back.
This selects the next power level. After the
third performance level, it starts again with the
first performance level.
► Push the release slide (2) forwards and allow
it to spring back as many times as necessary
to select the required power level.
13.3 Mowing
The cutting height is determined by the distance
of the cutting attachment from the ground.
A B
0000-GXX-4606-A1
Mowing with a mowing head (A)
► Swing the brushcutter steadily back and forth
in an arc.
► Move forward slowly in a controlled manner.
Mowing with a grass cutting blade or brush
knife (B)
► Mow with the left-hand side on the metal cut‐
ting attachment.
► Move forward slowly in a controlled manner.
13.4 Adjusting Nylon Line
13.4.1 Line Feed on AutoCut Mowing Heads
► Briefly tap the rotating mowing head on the
ground.
About 30 mm of fresh nylon line is advanced.
The line limiting blade in the deflector auto‐
matically cuts the mowing lines to the correct
length.
13 Operating the Trimmer English
0458-662-0121-C 17

1
2
0000-GXX-4037-A1
Automatic feed will not take place if the mowing
lines are shorter than 25 mm.
► Switch off the brushcutter and remove the bat‐
tery.
► Depress the spool (1) on the mowing head
and hold it depressed.
► Pull out the mowing lines (2) by hand.
► If the mowing lines (2) cannot be pulled out to
the required length: Replace the spool (1) or
the mowing lines (2).
The spool is empty.
13.4.2 Line Feed on SuperCut Mowing
Heads
Mowing lines are advanced automatically. The
line limiting blade in the deflector automatically
cuts the mowing lines to the correct length.
Automatic feed will not take place if the mowing
lines are shorter than 40 mm.
► Switch off the brushcutter and remove the bat‐
tery.
► Pull out the mowing lines by hand.
► If the mowing lines cannot be pulled out to
required length: Replace the mowing lines.
The spool is empty.
14 After Finishing Work
14.1 When Work is Finished
► Switch off the brushcutter and remove the bat‐
tery.
► If the brushcutter is wet: Allow the brushcutter
to dry.
► If the battery is wet: Allow the battery to dry.
► Clean the brushcutter.
► Clean the deflector.
► Clean the cutting attachment.
► Clean battery.
► If a metal cutting attachment is mounted: Fit
the matching transport guard.
15 Transporting
15.1 Transporting the brushcutter
► Switch off the brushcutter and remove the bat‐
tery.
► If a metal cutting attachment is mounted: Fit
the matching transport guard.
Carrying the brushcutter
► Carry the brushcutter in one hand properly
balanced by the shaft, with the cutting attach‐
ment behind you.
Transporting the brushcutter in the car
► Secure the brushcutter to prevent turnover
and movement.
15.2 Transporting the Battery
► Switch off the brushcutter and remove the bat‐
tery.
► Check that the battery is in a safe condition.
► Pack the battery in packaging in such a way
that it cannot move inside the packaging.
► Secure the packaging so that it cannot move.
The battery is subject to the Carriage of Danger‐
ous Goods regulations. The battery is classified
as UN 3480 (lithium ion batteries) and has been
tested pursuant to UN Manual Tests and Criteria
Part III, Subsection 38.3.
The transport regulations can be found at
www.stihl.com/safety-data-sheets.
16 Storing
16.1 Storing the Brushcutter
► Switch off the brushcutter and remove the bat‐
tery.
► If a metal cutting attachment is mounted: Fit
the appropriate transport guard.
► Ensure that the following conditions are met
when storing the brushcutter:
–The brushcutter is out of the reach of chil‐
dren.
–The brushcutter is clean and dry.
► If you store the brushcutter for more than 30
days: Remove the cutting attachment.
16.2 Storing the Battery
STIHL recommends keeping the battery in a
charging state between 40% and 60 % (2 green
LEDs lit).
English 14 After Finishing Work
18 0458-662-0121-C

► The battery should be stored in such a way
that the following conditions are fulfilled:
–The battery is out of the reach of children.
–The battery is clean and dry.
–The battery is in an enclosed space.
–The battery is separated from the brushcut‐
ter.
–If the battery is stored in the charger, dis‐
connect the mains plug and store the
rechargeable battery at a battery charge
status between 40 % and 60 % (2 lit green
LEDs).
–The battery is in a temperature range
between - 10 °C and + 50 °C.
NOTICE
■ If the battery is not stored as described in this
user manual, the battery may become deeply
discharged and irreparably damaged.
►Charge a discharged battery before storing
it. STIHL recommends keeping the battery
in a charging state between 40% and 60%
(2 lit green LEDs).
►Store the battery separately from the brush‐
cutter.
17 Cleaning
17.1 Cleaning the Brushcutter
► Switch off the brushcutter and remove the bat‐
tery.
► Clean the brushcutter with a damp cloth.
► Clean vents with a paintbrush.
► Remove foreign objects from the battery com‐
partment and clean the battery compartment
with a damp cloth.
► Clean the electrical contacts in the battery
compartment with a paintbrush or soft brush.
17.2 Cleaning the Deflector and Cut‐
ting Attachment
► Switch off the trimmer and remove the battery.
► Clean the deflector and cutting attachment
with a damp cloth or a soft brush.
17.3 Cleaning the Air Filter
► Switch off the brushcutter and remove the bat‐
tery.
0000097125-001
1
2
► Clean the area around the air filter (2) with a
damp cloth or a soft brush.
► Turn the screw (1) counterclockwise until the
air filter (2) can be removed.
► Swing the air filter (2) upwards and pull it off.
► Pass the air filter (2) under running water to
rinse off coarse dirt from the outside.
► If the air filter (2) is damaged: Install a new air
filter (2).
► Allow the air filter (2) to dry in the air.
► Install the air filter (2) in the housing and fold it
down.
The air filter (2) must sit flush in the housing at
all sides.
► Insert and tighten down the screw (1) firmly.
17.4 Cleaning the Battery
► Clean the battery with a damp cloth.
18 Maintenance
18.1 Maintenance intervals
Maintenance intervals depend on the ambient
conditions and the operating conditions. STIHL
recommends the following maintenance inter‐
vals:
After every 50 hours of operation
► Lubricate the gearbox.
► Clean the air filter.
Annually
► Have the brushcutter checked by a STIHL
dealer.
18.2 Lubricating the gearbox
2
1
0000082409_002
► Remove screw plug (2).
17 Cleaning English
0458-662-0121-C 19

► If no grease can be seen on the end of the
screw plug (2):
► Screw in the tube of STIHL gear lubri‐
cant (1).
► Squeeze 5 g of STIHL gear grease into the
gear housing.
► Unscrew the tube of STIHL gear lubri‐
cant (1).
► Refit and firmly tighten the screw plug (2) .
► Run the brushcutter for 1 minute without
load.
The STIHL gear lubricant is evenly distrib‐
uted.
18.3 Sharpening and Balancing a
Metal Cutting Attachment
Correctly sharpening and balancing metal cutting
attachments requires a lot of practice.
STIHL recommends you have metal cutting
attachments resharpened and balanced by a
STIHL servicing dealer.
► Sharpen the metal cutting attachment as
described in the instructions and on the pack‐
aging supplied with the cutting attachment you
are using.
19 Repairing
19.1 Repairing the Trimmer and
Cutting Attachment
The trimmer and cutting attachment cannot be
repaired by the user.
► If the trimmer or cutting attachment is dam‐
aged: Do not use your trimmer or cutting
attachment and contact your STIHL servicing
dealer.
19.2 Servicing and Repairing the
Battery
The battery requires no servicing and cannot be
repaired.
► If the battery has a malfunction or is damaged:
Replace the battery.
20 Troubleshooting
20.1 Troubleshooting the Brushcutter or Battery
Fault LEDs on the
battery
Cause Remedy
The brushcutter
does not start
when switched
on.
1 LED flashing
green.
State of charge of the
battery is too low.
► Recharge the battery fully as described in
the User Manual for the STIHL AL 101,
301, 301-4, 500 chargers.
1 LED emits
red light.
The battery is too
warm or too cold.
► Remove the battery.
► Allow the battery to cool down or warm
up.
3 LEDs flash
red.
The brushcutter has a
malfunction.
► Remove the battery.
► Clean electrical contacts in the battery
compartment.
► Insert battery.
► Switch on the brushcutter.
► If 3 LEDs continue to flash red: Do not
use your brushcutter and contact your
STIHL dealer for assistance.
3 LEDs light
up red.
Trimmer is too hot. ► Remove the battery.
► Allow trimmer to cool down.
4 LEDs
flash red.
There is a fault in the
battery.
► Remove battery and reinsert it.
► Switch on the brushcutter.
► If 4 LEDs continue to flash red: Do not
use the battery; contact a STIHL author‐
ized dealer.
No electrical contact
between brushcutter
and battery.
► Remove the battery.
► Clean electrical contacts in the battery
compartment.
► Insert battery.
English 19 Repairing
20 0458-662-0121-C