This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process
with electronic systems.
1
English
1 Introduction
17.1 Maintenance intervals
17.2 Lubricating the Gearbox
17.3 Sharpening and Balancing a Metal Cutting
Attachment
18 Repairing
18.1 Repairing the Trimmer and Cutting Attachment
18.2 Servicing and Repairing the Battery
19 Troubleshooting
19.1 Troubleshooting Brushcutter or Battery
20 Specifications
20.1 STIHL FSA 135 Brushcutters
20.2 STIHL AP battery
20.3 Sound Values and Vibration Values
20.4 REACH
21 Combinations of Cutting Attachments, Deflectors
and Carrying Systems
21.1 Combinations of Cutting Attachments, Deflectors
and Carrying Systems
manufacture our quality products to meet our customers’
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requirements. The products are designed for reliability even
under extreme conditions.
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STIHL also stands for premium service quality. Our dealers
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guarantee competent advice and instruction as well as
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comprehensive service support.
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STIHL expressly commit themselves to a sustainable and
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responsible handling of natural resources. This user manual
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is intended to help you use your STIHL product safely and in
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an environmentally friendly manner over a long service life.
We thank you for your confidence in us and hope you will
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enjoy working with your STIHL product.
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33
33
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33
Dr. Nikolas Stihl
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IMPORTANT! READ BEFORE USING AND KEEP IN A
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SAFE PLACE FOR REFERENCE.
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2Guide to Using this Manual
2.1Applicable Documentation
Local safety regulations apply.
► Read, understand and save the following documents in
addition to this instruction manual:
– Instruction manual and packaging of the cutting
attachment you are using
– Instruction manual of the carrying system you are using
2
0458-602-0121-B
3 Overview
English
– User instructions for STIHL AR battery
– User instructions for AP belt bag with connecting cable
– Safety notes and precautions for STIHL AP battery
– Instruction manual for STIHL AL 101, 300, 500 chargers
– Safety information for STIHL batteries and products
with built-in batteries: www.stihl.com/safety-datasheets
2.2Symbols 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.
NOTICE
This symbol indicates dangers that can cause damage to
property.
► The measures indicated can avoid damage to property.
2.3Symbols in Text
This symbol refers to a chapter in this instruction
manual.
3Overview
3.1Brushcutter and Battery
12
3
6
5
#
9
4
10
8
7
11
13
12
14
15
16
17
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0458-602-0121-B
1920
21
0000097029-001
1 Locking lever
The locking lever holds the battery in the battery
compartment.
3
English
7
4
9
0000-GXX-3024-A0
1
2
6
4
8
5
3
10
3 Overview
2 Battery compartment
The battery compartment holds the battery.
3Cover
The cover is the placeholder for a Smart Connector 2 A.
4 Air filter
The air filter filters the air entering the engine.
5 Carrying strip
Perforated strip for suspending the carrying system.
6 Control handle
The control handle is used for operating, holding and
controlling the brushcutter.
7 Trigger
The trigger switches the brushcutter on and off.
8 Trigger lockout
The trigger lockout unlocks the trigger.
9 Unlock button
The unlock button switches on the brushcutter and
selects the power level.
10 LEDs
The LEDs indicate the selected power level.
11 Wing screw
The wing screw secures the handlebar to the handle
support.
12 Handlebar
The handlebar connects control handle and handle with
the shaft.
13 Handle
The handle is for holding and controlling the brushcutter.
14 Shaft
The shaft connects all components.
15 Opening for stop pin
The opening for the stop pin accommodates the stop pin.
1
The cover is part of the motor housing. The cover should only be
removed to install a Smart Connector 2 A, and it should be safely
stored for later re-installation. Always use the brushcutter with the
cover or Smart Connector 2 A installed.
16 Stop pin
The stop pin blocks the shaft while a cutting attachment
1
is being mounted.
17 Gear housing
The gear housing encloses the gearbox.
18 Screw plug
The screw plug closes the filler opening for STIHL gear
grease.
19 LEDs
The LEDs indicate the state of charge of the battery and
any faults.
20 Button
The button activates the LEDs on the battery.
21 Battery
The battery supplies power to the brushcutter.
# Rating plate with machine number
3.2Deflectors and Cutting Attachments
The illustrations show examples of deflectors and cutting
attachments. Approved combinations are listed in this
instruction manual, @ 21.
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0458-602-0121-B
4 Safety Precautions
A
English
1 Universal deflector
Protects user from flying debris and contact with the
cutting attachment.
2 Grass Cutting Blade
Cuts grass and weeds.
3Brush Knife
Cuts brushwood.
4 Line Limiting Blade
Trims mowing line to correct length.
5Skirt
Extends universal deflector for use with a mowing head.
6 Deflector for Mowing Heads
Protects user from flying debris and contact with the
mowing head.
7 Mowing Head
The mowing head contains the mowing line.
8 Limit Stop
Protects user from flying debris and contact with the
circular saw blade and helps support the trimmer against
the wood during cutting work.
9 Circular Saw Blade
Cuts shrubs and trees.
10 Transport Guard
Helps protect user from contact with metal cutting
attachments.
Press the unlock button to switch the brushcutter on
and set the power levels.
This symbol marks the unlock button.
This icon shows the direction of rotation of the
cutting attachment.
This icon shows the maximum diameter of the
cutting attachment in millimeters.
This icon shows the rated speed of the cutting
attachment.
Guaranteed sound power level in accordance
L
W
with Directive 2000/14/EC in dB(A) for the
purpose of comparing the sound emissions of
products.
The information next to the symbol indicates the
energy content of the battery according to the cell
manufacturer’s specification. The energy content
available in operation is lower.
Do not dispose of the product with domestic waste.
4Safety Precautions
3.3Icons
Meanings of icons that may be on the brushcutter, deflector
and battery:
1 LED emits red light. The battery is too warm or
too cold.
4 LEDs flashing red. There is a fault in the
battery.
0458-602-0121-B
4.1Warning Signs
4.1.1Warning Symbols
Meanings of warning signs on the brushcutter and battery:
Observe safety notices and take the necessary
precautions.
5
English
4 Safety 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.
Observe the safety notices on kickback and take
the necessary precautions.
Observe the safety advice concerning flying
objects and associated measures.
Protect battery from heat and fire.
Do not immerse battery in fluids.
Observe the permitted battery temperature
range.
4.1.2Deflector 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 cutting blades.
15m (50ft)
Maintain a safety distance.
Do nit use this deflector for brush knives.
Remove the battery during work stoppages,
transport, storage, maintenance or repair.
Do not use this deflector for shredder blades.
Do not touch hot surface.
Do not use this deflector for circular saw blades.
6
0458-602-0121-B
4 Safety Precautions
English
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.
– with a grass cutting blade: Mowing grass and weeds
– with a brush knife: For cutting brush with a stem diameter
up to 20 mm
– with a circular saw blade: For cutting shrubs and trees with
a stem diameter up to 40 mm
The brushcutter may be used in the rain.
The brushcutter is powered by a STIHL AP battery or a
STIHL AR battery.
WARNING
■ Batteries not explicitly approved for the brushcutter by
STIHL may cause a fire or explosion. Persons may be
seriously or fatally injured and property may be damaged.
► Use the brushcutter with a STIHL AP battery or a STIHL
AR battery.
■ Using the brushcutter or the battery for purposes 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 or the
User Manual for the STIHL AR battery.
4.3The Operator
Skirt
Meanings of warning signs on the skirt:
Use the universal deflector with skirt and line
limiting blade for mowing heads.
4.2Intended Use
The STIHL FSA 135 brushcutter is designed for the
following applications:
– with a mowing head: Mowing grass
0458-602-0121-B
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.
7
English
4 Safety Precautions
► Make sure the user meets the following requirements:
– The user must be rested.
– The user must be in good physical condition and
mental health to operate and work with the trimmer
and battery. If the user’s physical, sensory or mental
ability 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 supervision in accordance with national
rules and regulations.
– The user has received instruction from a STIHL
servicing dealer or other experienced user before
working with the trimmer for the first time.
– The user must not be under the influence of alcohol,
medication or drugs.
► If you have any queries: Contact a STIHL servicing
dealer for assistance.
4.4Clothing 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 commercially with the
corresponding marking.
► Wear face protection.
► Wear long trousers made from resistant material.
■ Falling objects can cause head injuries.
► If objects are likely to fall while working:
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 rotating 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 resistant
material.
■ Wearing unsuitable footwear may cause the user to slip.
This may result in injury to the user.
► Wear sturdy, closed-toed footwear with high-grip soles.
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0458-602-0121-B
4 Safety Precautions
English
4.5Work Area and Surroundings
4.5.1Brushcutter
WARNING
■ Bystanders, children and animals are not aware of the
dangers of the brushcutter or flying debris. This may result
in serious injury to bystanders, children and animals and
damage to property.
15m (50ft)
► 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 explosive
environment.
4.5.2Battery
► Do not allow bystanders, children
or animals within 15 meters of the
work area.
WARNING
■ Bystanding people, children and animals cannot
recognise or evaluate the dangers posed by the battery.
This may result in serious injury to bystanding people,
children and animals.
► Keep bystanding people, children and animals out of the
way.
► Do not leave the battery unattended.
► Make sure that children cannot play with the battery.
■ The battery is not protected against all ambient
conditions. If exposed to certain ambient conditions, the
battery may catch fire or explode. This may result in
serious injury to people and damage to property.
► Protect the battery from heat and fire.
► Do not throw the battery into a fire.
► Use and store the battery at temperatures
between - 10 °C and + 50 °C.
► Do not immerse the battery in liquids.
► Keep the battery away from metallic objects.
► Do not expose the battery to high pressure.
► Do not expose the battery to microwaves.
► Protect the battery from chemicals and salts.
4.6Safe Condition
4.6.1Brushcutter
The brushcutter is in a safe condition if the following 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 properly
mounted.
– Genuine STIHL accessories for this brushcutter are fitted.
– The accessories are correctly attached.
0458-602-0121-B
9
English
4 Safety Precautions
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 brushcutter.
► Never attempt to modify your brushcutter. Exception:
Mounting one of the combinations 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.
4.6.2Deflector
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.
4.6.3Mowing Head
The mowing head is in a safe condition if the following 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.
4.6.4Metal cutting attachment
The metal cutting attachment is in a safe condition if the
following points are observed:
– Metal cutting attachment and mounting hardware are
undamaged.
– Metal cutting attachment is not warped.
– Metal cutting attachment is properly mounted.
– Metal cutting attachment is correctly sharpened.
– Cutting edges of the metal cutting attachment have no
burrs.
– The wear limits are not exceeded.
10
0458-602-0121-B
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