STIHL FS 40, 50 Instruction Manual
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STIHL FS 40, 50 Instruction ManualEnglish
Contents
Guide to Using this Manual 2 Dear Customer,
Safety Precautions and Working Thank you for choosing a quality
Techniques 2 engineered STIHL product.
Approved Combinations of Cutting
Original Instruction Manual
It has been built using modern
Attachment, Deflector, Handle and production techniques and
Harness 9 comprehensive quality assurance.
Mounting the Loop Handle 10 Every effort has been made to ensure
Mounting the Deflector 10 your satisfaction and troublefree use of
the product.
Mounting the Cutting Attachment 11
Fuel 14 Please contact your dealer or our sales
company if you have any queries
Fueling 15
Printing inks contain vegetable oils, paper can be recycled.
concerning this product.
Starting / Stopping the Engine 18
Your
Operating Instructions 20
Cleaning the Air Filter 20
Adjusting the Carburetor 21
Spark Plug 21
Engine Running Behavior 22
Printed on chlorine-free paper
Rewind Starter 22 Dr. Nikolas Stihl
Storing the Machine 23
Maintaining the Mowing Head 23
Maintenance and Care 28
Minimize Wear and Avoid Damage 29
Main Parts 30
Specifications 31
Maintenance and Repairs 32
Disposal 32
© ANDREAS STIHL AG & Co. KG, 2015
EC Declaration of Conformity 32
0458-546-0121-D. VA3.A15.
0000001049_019_GB
{ This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process
with electronic systems.
FS 40, FS 40 C, FS 50, FS 50 C 1English
Pictograms
Guide to Using this Manual Safety Precautions and
Working Techniques
All the pictograms attached to the
machine are shown and explained in this Some special safety pre-
Pictograms
manual. cautions have to be
observed when working
The meanings of the pictograms Symbols in text with this power tool
attached to the machine are explained in because of the very high
this manual. speed of the cutting
attachment.
Depending on the model concerned, the WARNING
following pictograms may be attached to It is important that you
your machine. Warning where there is a risk of an
read the instruction man-
accident or personal injury or serious
ual before first use and
Fuel tank; fuel mixture of damage to property.
keep it in a safe place for
gasoline and engine oil
future reference. Non-
NOTICE observance of the
Operate decompression instruction manual may
Caution where there is a risk of
valve result in serious or even
damaging the machine or its individual
fatal injury.
components.
Observe all applicable local safety
Engineering improvements regulations, standards and ordinances.
Manual fuel pump
If you have not used this type of power
STIHL's philosophy is to continually tool before: Have your dealer or other
improve all of its products. For this experienced user show you how to
Operate manual fuel operate your unit or attend a special
reason we may modify the design,
pump course in its operation.
engineering and appearance of our
products periodically. Minors should never be allowed to use a
Therefore, some changes, modifications power tool.
Tube of grease and improvements may not be covered Keep bystanders, especially children,
in this manual. and animals away from the work area.
Intake air: Summer
operation When the power tool is not in use, shut it
off so that it does not endanger others.
Secure it against unauthorized use.
Intake air: Winter The user is responsible for avoiding
operation injury to third parties or damage to their
property.
Handle heating
2 FS 40, FS 40 C, FS 50, FS 50 CEnglish
Do not lend or rent your power tool servicing dealer. Use only high quality
without the instruction manual. Be sure cutting attachments and accessories in WARNING
than anyone using your power tool order to avoid the risk of accidents and
To reduce the risk of eye
understands the information contained damage to the machine.
injuries, wear snug-fitting
in this manual.
STIHL recommends the use of genuine safety glasses in accord-
The use of noise emitting power tools STIHL cutting attachments and ance with European
may be restricted to certain times by accessories. They are specifically Standard EN 166. Make
national or local regulations. designed to match the product and meet sure the safety glasses
your performance requirements. are a good fit.
To operate the power tool you must be
rested, in good physical condition and The deflector on this power tool cannot Wear a face shield and make sure it is a
mental health. If you have any condition protect the operator from all objects good fit. A face shield alone does not
that might be aggravated by strenuous thrown by the cutting attachment provide adequate eye protection.
work, check with your doctor before (stones, glass, wire, etc.). Such objects
Wear hearing protection, e.g. earplugs
operating a power tool. may ricochet and then hit the operator.
or ear muffs.
Persons with pacemakers only: The
ignition system of your power tool Clothing and Equipment Wear robust work gloves
produces an electromagnetic field of a made of durable material
very low intensity. This field may (e.g. leather).
Wear proper protective clothing and
interfere with some pacemakers. STIHL equipment.
recommends that persons with
pacemakers consult their physician and Clothing must be sturdy STIHL offers a comprehensive range of
the pacemaker manufacturer to reduce but allow complete free- personal protective clothing and
any health risk. dom of movement. Wear equipment.
snug-fitting clothing, an
Do not operate the power tool if you are overall and jacket combi-
under the influence of any substance Transporting the Power Tool
nation, do not wear a
(drugs, alcohol) which might impair work coat.
vision, dexterity or judgment.
Avoid clothing that could get caught on
Depending on the cutting attachment branches or brush or moving parts of the
fitted, use your trimmer only for cutting machine. Do not wear a scarf, necktie or
grass, wild growth and similar materials. jewelry. Tie up and confine long hair
It must not be used for any other (e.g. with a hair net, cap, hard hat, etc.).
purpose because of the increased risk of
546BA001 KN
Wear sturdy shoes with
accidents and damage to the machine.
non-slip soles.
Never attempt to modify your power tool
in any way since this may result in
accidents or damage to the machine. Always turn off the engine.
Only use cutting attachments and Carry the unit properly balanced by the
accessories that are explicitly approved drive tube or loop handle.
for this power tool model by STIHL or
are technically identical. If you have any
questions in this respect, consult a
FS 40, FS 40 C, FS 50, FS 50 C 3English
In vehicles: Properly secure your power To reduce the risk of serious or fatal – Check that the spark plug boot is
tool to prevent turnover, fuel spillage and burn injuries, check for fuel leakage. If secure – a loose boot may cause
damage. fuel leakage is found, do not start or run arcing that could ignite combustible
the engine until leak is fixed. fumes and cause a fire.
Fueling – Check cutting attachment for
Before Starting correct and secure assembly and
Gasoline is an extremely good condition.
flammable fuel. Keep Check that your power tool is properly – Check protective devices (e.g.
clear of naked flames. Do assembled and in good condition – refer deflector for cutting attachment) for
not spill any fuel – do not to appropriate chapters in the instruction damage or wear. Always replace
smoke. manual. damaged parts. Never operate the
Always shut off the engine before – Check the fuel system for leaks, unit with a damaged deflector.
refueling. paying special attention to visible – Never attempt to modify the controls
parts such as the tank cap, hose or safety devices in any way.
Do not fuel a hot engine – fuel may spill connections and the manual fuel
and cause a fire. pump (on machines so equipped). If – Keep the handles dry and clean –
Open the fuel cap carefully to allow any there are any leaks or damage, do free from oil and dirt – for safe
pressure build-up in the tank to release not start the engine – risk of fire. control of the power tool.
slowly and avoid fuel spillage. Have your machine repaired by a – Adjust the harness and handle(s) to
servicing dealer before using it suit your height and reach.
Fuel your power tool only in well-
again.
ventilated areas. If you spill fuel, wipe To reduce the risk of accidents, do not
the machine immediately – if fuel gets on – Use only an approved combination operate your power tool if it is damaged
your clothing, change immediately. of cutting attachment, deflector, or not properly assembled.
handle and harness. All parts must
Your power tool comes standard with If you use a shoulder strap or full
be assembled properly and
either a screw-type or bayonet-type fuel harness: Practice removing and putting
securely. To reduce the risk of
cap. down the power tool as you would in an
injury, never use metal cutting
attachments. emergency. To avoid damage, do not
After fueling, tighten
throw the machine to the ground when
down the screw-type fuel – The stop switch must move easily to practicing.
cap as securely as 0.
possible.
– Check smooth action of choke Starting the Engine
knob, throttle trigger lockout and
After fueling, insert the throttle trigger – the throttle trigger
fuel cap with hinged grip Start the engine at least 3 meters from
must return automatically to the idle the fueling spot, outdoors only.
(bayonet-type cap) cor- position. The choke lever must
rectly in the opening, turn spring back from the g and < Place the unit on firm ground in an open
it clockwise as far as stop positions to the run position F when area. Make sure you have good balance
and fold the grip down. the throttle trigger lockout and and secure footing. Hold the unit
This reduces the risk of unit vibrations throttle trigger are squeezed. securely. The cutting attachment must
causing the fuel cap to loosen or come be clear of the ground and all other
off and spill quantities of fuel. obstructions because it may begin to run
when the engine starts.
4 FS 40, FS 40 C, FS 50, FS 50 CEnglish
Your power tool is a one-person unit. To Check and correct the idle speed setting
reduce the risk of injury from thrown regularly. If the cutting attachment
objects, do not allow other persons continues to rotate when the engine is
within a radius of 15 meters of your own idling, have the machine checked by
position – even when starting. your servicing dealer. STIHL
recommends a STIHL servicing dealer.
To reduce the risk of
546BA002 KN
injury, avoid contact with Take special care in slippery conditions
the cutting attachment. (ice, wet ground, snow), on slopes or
uneven ground.
Left hand on loop handle, right hand on
Watch out for obstacles: Roots, tree
control handle, even if you are left-
Do not drop start the power tool – start stumps or holes which could cause you
handed.
the engine as described in the to trip or stumble.
instruction manual. Make sure you always have good
During Operation
Note that the cutting balance and secure footing.
attachment continues to Always stand on the ground while
run for a short period In the event of impending danger or in
an emergency, switch off the engine working, never on a ladder, work
after you let go of the platform or any other insecure support.
throttle trigger – flywheel immediately – move the stop switch in
effect. the direction of 0. Be particularly alert and cautious when
wearing hearing protection because
Check idle speed setting: The cutting your ability to hear warnings (shouts,
attachment must not rotate when the alarms, etc.) is restricted.
15m (50ft)
engine is idling with the throttle trigger
released. To reduce the risk of accidents, take a
break in good time to avoid tiredness or
To reduce the risk of fire, keep hot exhaustion.
exhaust gases and hot muffler away
from easily combustible materials (e.g. Work calmly and carefully – in daylight
wood chips, bark, dry grass, fuel). The cutting attachment may catch and conditions and only when visibility is
fling objects a great distance and cause good. Stay alert so as not to endanger
injury - therefore, do not allow any other others.
Holding and Controlling the Unit
persons within a radius of 15 meters of
your own position. To reduce the risk of
Always hold the power tool firmly with damage to property, also maintain this
both hands on the handles. Make sure distance from other objects (vehicles,
you always have good balance and windows). Even maintaining a distance
secure footing. of 15 meters or more cannot exclude the
potential danger.
The correct engine idle speed is
important to ensure that the cutting
attachment stops rotating when you let
go of the throttle trigger.
FS 40, FS 40 C, FS 50, FS 50 C 5English
Your power tool produces If your power tool is subjected to Always shut off the engine before
toxic exhaust fumes as unusually high loads for which it was not leaving the unit unattended.
soon as the engine is designed (e.g. heavy impact or a fall),
Check the cutting attachment at regular
running. These fumes always check that it is in good condition
short intervals during operation or
may be colorless and before continuing work – see also
immediately if there is a noticeable
odorless and contain "Before Starting". Check the fuel system
change in cutting behavior:
unburned hydrocarbons in particular for leaks and make sure the
and benzol. Never run safety devices are working properly. Do – Turn off the engine. Hold the unit
the engine indoors or in not continue operating your power tool if firmly and wait for the cutting
poorly ventilated loca- it is damaged. In case of doubt, have the attachment to come to a standstill.
tions, even if your model unit checked by your servicing dealer. – Check condition and tightness, look
is equipped with a cata- Do not operate your power tool with the for cracks.
lytic converter. choke lever in the warm start position < – Replace damaged cutting
To reduce the risk of serious or fatal – the engine speed cannot be controlled attachments immediately, even if
injury from breathing toxic fumes, in this position. they have only superficial cracks.
ensure proper ventilation when working
To reduce the risk Clean grass and plant residue off the
in trenches, hollows or other confined
of injury from cutting attachment mounting at regular
locations.
thrown objects, intervals – remove any build up of
To reduce the risk of accidents, stop never operate the material from the cutting attachment and
work immediately in the event of power tool without deflector.
nausea, headache, visual disturbances the proper deflec-
(e.g. reduced field of vision), problems tor for the type of To reduce the risk of injury, shut off the
with hearing, dizziness, deterioration in cutting attachment engine before replacing the cutting
ability to concentrate. Apart from other being used. attachment.
possibilities, these symptoms may be Do not continue using or attempt to
Inspect the work area:
caused by an excessively high repair damaged or cracked cutting
Stones, pieces of metal
concentration of exhaust gases in the attachments by welding, straightening or
or other solid objects may
work area. modifying the shape (out of balance).
be thrown more than 15
Operate your power tool so that it meters and cause per- This may cause parts of the cutting
produces a minimum of noise and sonal injury or damage attachment to come off and hit the
emissions – do not run the engine the cutting attachment operator or bystanders at high speed
unnecessarily, accelerate the engine and property (e.g. parked and result in serious or fatal injuries.
only when working. vehicles, windows).
To reduce the risk of fire, do not smoke When using mowing heads
while operating or standing near your Special care must be taken when
Use only the deflector with properly
power tool. Note that combustible fuel working in difficult, over-grown terrain.
mounted line limiting blade to ensure the
vapor may escape from the fuel system. When cutting high scrub, under bushes mowing lines are automatically trimmed
The dusts, vapor and smoke produced and hedges: Keep cutting attachment at to the approved length.
during operation may be dangerous to a minimum height of 15 cm to avoid
health. If the work area is very dusty or harming small animals.
smoky, wear a respirator.
6 FS 40, FS 40 C, FS 50, FS 50 CEnglish
To reduce the risk of injury, always turn Continual and regular users should Do not turn the engine over on the
off the engine before adjusting the nylon monitor closely the condition of their starter with the spark plug boot or spark
line of manually adjustable mowing hands and fingers. If any of the above plug removed since there is otherwise a
heads symptoms appear (e.g. tingling risk of fire from uncontained sparking.
sensation in fingers), seek medical
Using the unit with over-long nylon To reduce the risk of fire, do not service
advice.
cutting lines reduces the engine's or store your machine near open flames.
operating speed. The clutch then slips
Maintenance and Repairs Check the fuel filler cap for leaks at
continuously and this causes
regular intervals.
overheating and damage to important
components (e.g. clutch, polymer Service the machine regularly. Do not Use only a spark plug of the type
housing components) – and this can attempt any maintenance or repair work approved by STIHL and make sure it is
increase the risk of injury from the not described in the instruction manual. in good condition – see "Specifications".
cutting attachment rotating while the Have all other work performed by a Inspect the ignition lead (insulation in
engine is idling. servicing dealer. good condition, secure connection).
STIHL recommends that you have Check the condition of the muffler.
Vibrations
servicing and repair work carried out
exclusively by an authorized STIHL To reduce the risk of fire and damage to
Prolonged use of the power tool may servicing dealer. STIHL dealers are hearing, do not operate your machine if
result in vibration-induced circulation regularly given the opportunity to attend the muffler is damaged or missing.
problems in the hands (whitefinger training courses and are supplied with Do not touch a hot muffler since burn
disease). the necessary technical information. injury will result.
No general recommendation can be Only use high-quality replacement parts
given for the length of usage because it in order to avoid the risk of accidents Symbols on Deflectors
depends on several factors. and damage to the machine. If you have
any questions in this respect, consult a
The period of usage is prolonged by:
servicing dealer.
– Hand protection (wearing warm
STIHL recommends the use of genuine
gloves)
STIHL replacement parts. These parts
– Work breaks are specifically designed to match your
The period of usage is shortened by: machine model and meet your
performance requirements.
– Any personal tendency to suffer
from poor circulation (symptoms: To reduce the risk of injury from
frequently cold fingers, tingling unintentional engine startup, always
shut off the engine and disconnect the An arrow on the deflector (inside and
sensations).
spark plug boot before performing any outside) shows the correct direction of
– Low outside temperatures. repairs, maintenance or cleaning work. – rotation of the cutting attachments.
– The force with which the handles Exception: Carburetor and idle speed
are held (a tight grip restricts adjustments.
circulation).
FS 40, FS 40 C, FS 50, FS 50 C 7English
Mowing Head with Nylon Lines It is important to follow the maintenance
instructions for the Polycut mowing
head.
Check the wear limit marks!
Wear limit marks are integrated in the
base of the PolyCut.
Do not continue using the PolyCut 6-3 if
one of the circular holes (1; arrow)
N If the raised moldings (1) on the becomes visible or if the projecting rim
base of the attachment are worn as (2; arrow) has worn away. Install a new
shown in the illustration (above mowing head.
right), do not continue using the
mowing head. Install a new one. WARNING
There is otherwise a risk of injury
from thrown parts of the head. If the wear limit marks are ignored, there
is a risk of the cutting tool shattering and
STIHL PolyCut 6-3 Mowing Head with flying parts injuring the operator or
bystanders.
000BA019 KN
Polymer Blades
To reduce the risk of accidents from
shattered blades, avoid contact with
Nylon line achieves a soft cut for edging stones, metal and similar solid objects.
and trimming around fence posts, trees, Check PolyCut blades for cracks at
etc. – less risk of damaging tree bark. regular intervals. If a crack is found in
one of the blades, always replace all the
WARNING blades.
002BA073 KN
To reduce the risk of injury, never use
1
steel wire in place of the nylon cutting
line.
STIHL FixCut
Check the wear limit marks!
002BA074 KN
2
For mowing unobstructed edges of
meadows (without posts, fences, trees
or similar obstacles).
8 FS 40, FS 40 C, FS 50, FS 50 CEnglish
Approved Combinations of Cutting Attachment, Deflector, Handle and Harness
Cutting Attachment Deflector Handle Shoulder
Strap/Harness
1 2
2
E
IN
/L
ur
hn
Sc
5
Sc
hn
ur
/L
IN
E
1
6 7
3 4
546BA018 KN
Approved Combinations Deflector
Select correct combination from the 5 Deflector with blade for mowing
table according to the cutting heads
attachment you intend to use.
Handle
WARNING
For safety reasons no other 6 Loop handle
combinations are permitted – risk of
accidents. Shoulder Strap
Cutting Attachments
7 Shoulder strap may be used
Mowing heads
1 STIHL AutoCut C 5-2
2 STIHL AutoCut 5-2
3 STIHL FixCut 5-2
4 STIHL PolyCut 6-3
FS 40, FS 40 C, FS 50, FS 50 C 9English
Mounting the Loop Handle Mounting the Deflector
A
Your new power tool comes with the
loop handle mounted on the drive tube,
but it must be turned and lined up to suit
2
546BA004 KN
your requirements.
1
Adjusting the loop handle
232BA066 KN
The loop handle can be adjusted to suit
the height and reach of the operator and
the application by changing
distance (A).
Recommended distance (A):
about 15 cm
4
1 2 N Slide the handle to the required
546BA003 KN
position.
3
546BA005 KN
N Tighten down the screw or star knob
so that the handle cannot be rotated
Versions with screw (FS 40) on the drive tube.
N Use a screwdriver or the N Push the deflector (1) over the
combination wrench to loosen the clamp (2) as far as stop.
screw (1) on the handle. N Insert the nut (3) in the hex recess in
the deflector – make sure the holes
Versions with star knob (FS 50)
line up.
N Loosen the star knob (2) on the
N Insert the screw (4) with washer and
handle.
tighten it down firmly.
All versions
545BA004 KN
N Turn the handle to the vertical
position.
10 FS 40, FS 40 C, FS 50, FS 50 CEnglish
Thrust plate Block the shaft.
Mounting the Cutting
Attachment
Placing power tool on the ground 1
6
3
2
546BA016 KN
4
N Switch off the engine.
6
N Lay your trimmer on its back with
232BA033 KN
546BA017 KN
the loop handle and shroud pointing
down and the output shaft facing up. 5
The thrust plate is shipped with the N To block the shaft, insert a suitable
PolyCut 6-3 and FixCut 5-2. It is only tool (5) through the holes (6) in the
required for these mowing heads. deflector and thrust plate – turn the
STIHL AutoCut 5-2 mowing head, thrust plate back and forth if
STIHL AutoCut C 5-2 mowing head necessary.
N Pull the thrust plate (1), if fitted, off Fitting Mowing Head with Screw
the shaft (2). Mounting
STIHL PolyCut 6-3 mowing head,
STIHL FixCut 5-2 mowing head Keep the instruction leaflet for the
N Slip the thrust plate (1) over the mowing head in a safe place.
shaft (2) and engage the hex
recess (3) on the external
hexagon (4).
FS 40, FS 40 C, FS 50, FS 50 C 11English
STIHL AutoCut 5-2
8
4 2
1 7
2 3 5
6
1
232BA053 KN
002BA385 KN
232BA054 KN
3
N Screw the mowing head N Slip the mowing head (2) over the
counterclockwise on to the shaft (1) shaft (5) and engage hex recess (7)
N Fit the spring (1) in the mowing
as far as stop. on the external hexagon (6).
head (2).
N Block the shaft. N Fit the cap (8) on the mowing head
N Wind the mowing line (3) on to the
– screw it clockwise on to the shaft
N Tighten down the mowing head spool (4).
as far as stop and tighten it down
firmly.
N Thread the nylon line through the firmly.
sleeves and fit the spool in the head.
NOTICE The individual steps are described in the
Remove the tool used to block the shaft. instruction sheet supplied.
Removing the Mowing Head
N Block the shaft.
N Unscrew the mowing head
clockwise.
Fitting Mowing Head without Screw
Mounting
Keep the instruction leaflet for the
mowing head in a safe place.
12 FS 40, FS 40 C, FS 50, FS 50 CEnglish
STIHL AutoCut C 5-2 STIHL PolyCut 6-3 STIHL FixCut 5-2
10 5
8
11
2
E
IN
r/L
nu
ch
S
2 4
9
S
ch
nu
r/L
IN
E
1
5 3
1
681BA018 KN
681BA019 KN
232BA074 KN
2
N Slip the mowing head (2) on to the N Fit the thrust plate on the shaft. N Slip the thrust plate (2) over the
shaft – as AutoCut 5-2. shaft.
N Insert the nut (10) in the mowing
N Turn the spool (9) clockwise until head. N Place the mowing head on the
the two arrow heads line up – thrust plate (2).
N Screw the mowing head (11)
secure the spool in this position.
clockwise on to the shaft (5) as far
N Insert the cap (8) in the spool, press as stop. WARNING
it down as far as stop and turn it Collar (see arrows) must engage the
N Block the shaft.
clockwise at the same time. mowing head's mounting hole.
N Tighten down the mowing head
N Turn the cap until you feel Push the thrust washer (3) over the
firmly. N
resistance and then tighten it down shaft (1) so it is seated on the base.
firmly by hand.
WARNING N Block the shaft.
If the mounting nut has become too N Use the combination wrench (5)
loose, fit a new one. (special accessory) to screw the
mounting nut (4) on to the output
shaft and tighten it down firmly.
NOTICE
Remove the tool used to block the shaft. WARNING
If the mounting nut has become too
loose, fit a new one.
FS 40, FS 40 C, FS 50, FS 50 C 13English
If your machine is equipped with a
NOTICE
Fuel catalytic converter, you must use
unleaded gasoline.
Remove the tool used to block the shaft.
Your engine requires a mixture of
Remove the mowing head. gasoline and engine oil. NOTICE
A few tankfuls of leaded gasoline will
WARNING greatly reduce the efficiency of the
STIHL AutoCut catalytic converter.
For health reasons, avoid direct skin
N Hold the mowing head steady. contact with gasoline and avoid inhaling Gasoline with an ethanol content of
N Unscrew the cap counterclockwise. gasoline vapor. more than 10% can cause running
problems in engines with a manually
STIHL PolyCut STIHL MotoMix adjustable carburetor and should not be
used in such engines.
N Block the shaft.
STIHL recommends the use of STIHL Engines equipped with M-Tronic deliver
N Unscrew the mowing head
MotoMix. This ready-to-use fuel mix full power when run on gasoline with an
counterclockwise.
contains no benzol or lead, has a high ethanol content of up to 25% (E25).
STIHL FixCut octane rating and ensures that you
always use the right mix ratio. Engine oil
N Block the shaft.
STIHL MotoMix uses STIHL HP Ultra Use only high-quality two-stroke engine
N Use the combination wrench two-stroke engine oil for an extra long oil – preferably STIHL HP, HP Super or
(special accessory) to loosen and engine life. HP Ultra, which are specially formulated
unscrew the mounting nut for use in STIHL engines. HP Ultra
counterclockwise from the output MotoMix is not available in all markets.
guarantees high performance and a
shaft. long engine life.
Mixing Fuel
These engine oils are not available in all
markets.
NOTICE Use only STIHL 50:1 two-stroke engine
oil for the fuel mix in models with a
Unsuitable fuels or lubricants or mix catalytic converter.
ratios other than those specified may
result in serious damage to the engine. Mix Ratio
Poor quality gasoline or engine oil may
STIHL 50:1 two-stroke engine oil: 50
damage the engine, sealing rings, hoses
parts gasoline to 1 part oil
and the fuel tank.
Gasoline
Use only high-quality brand-name
gasoline with a minimum octane rating
of 90 – leaded or unleaded.
14 FS 40, FS 40 C, FS 50, FS 50 CEnglish
Examples Dispose of remaining fuel and cleaning
fluid properly in accordance with local Fueling
Gasoline STIHL engine oil 50:1 regulations and environmental
Liters Liters (ml) requirements.
1 0.02 (20) Preparations
5 0.10 (100)
10 0.20 (200)
15 0.30 (300)
20 0.40 (400)
25 0.50 (500)
N Use a canister approved for storing
002BA456 KN
fuel. Pour oil into canister first, then
add gasoline and mix thoroughly.
Storing Fuel N Before fueling, clean the filler cap
and the area around it to ensure that
Store fuel only in approved safety-type no dirt falls into the tank.
fuel canisters in a dry, cool and safe N Position the machine so that the
location protected from light and the sun. filler cap is facing up.
Fuel mix ages – only mix sufficient fuel A number of different filler caps are
for a few weeks work. Do not store fuel installed as standard at the factory.
mix for longer than 30 days. Exposure to
light, the sun, low or high temperatures
can quickly make the fuel mix unusable.
STIHL MotoMix may be stored for up to
2 years without any problems.
N Thoroughly shake the mixture in the
002BA418 KN
canister before fueling your
machine.
WARNING Cliplock filler cap (bayonet-type)
Pressure may build up in the canister –
open it carefully.
N Clean the fuel tank and canister
from time to time.
FS 40, FS 40 C, FS 50, FS 50 C 15English
001BA221 KN
001BA224 KN
002BA419 KN
Threaded filler cap N Remove the cap. N While holding the cap depressed,
turn it clockwise until it engages in
Opening tank cap with hinged grip Filling up with fuel position.
Take care not to spill fuel while fueling
and do not overfill the tank.
STIHL recommends you use the STIHL
filler nozzle for fuel (special accessory).
001BA222 KN
N Filling up with fuel
001BA218 KN
Closing tank cap with hinged grip
N Fold the grip flush with the top of the
N Swing the grip to the upright cap.
position.
Checking security of cap
001BA220 KN
001BA219 KN
Grip must be vertical:
001BA223 KN
N Fit the cap in the opening – the
N Rotate the cap about 1/4 turn marks on the cap and filler neck
counterclockwise. must line up.
– The lug on the grip must fully
N Press the cap down as far as stop. engage the recess (arrow).
16 FS 40, FS 40 C, FS 50, FS 50 CEnglish
Filling up with fuel
Take care not to spill fuel while fueling
and do not overfill the tank. STIHL
recommends you use the STIHL filler
nozzle (special accessory).
001BA226 KN
001BA225 KN
Closing screw-type tank cap
N Grip the cap – it is properly locked if N Place the cap on the opening and
it cannot be turned or removed. rotate it counterclockwise until it
engages the filler neck.
If the cap can be turned or removed N Continue rotating the cap
counterclockwise (about a quarter
Bottom of cap is twisted in relation to turn) – this causes the bottom of the
cap to be turned to the correct
002BA448 KN
top:
position.
N Turn and lock the cap clockwise –
see sections on "Closing" and N Place the cap in the opening.
"Checking security of cap".
N Turn the cap clockwise as far as
Opening screw-type tank cap stop and tighten it down as firmly as
possible by hand.
001BA227 KN
Left: Bottom of cap twisted
Right: Bottom of cap correctly
positioned
002BA447 KN
N Turn the cap counterclockwise until
it can be removed from the tank
opening.
N Remove the cap.
FS 40, FS 40 C, FS 50, FS 50 C 17English
Starting the Engine Also use this setting if the engine has
Starting / Stopping the been running but is still cold.
Engine
Cranking
Controls
4
Version with Loop Handle
547BA015 KN
547BA018 KN
N Press the manual fuel pump
bulb (4) at least five times – even if
the bulb is filled with fuel. N Place the unit on the ground: It must
rest securely on the engine support
Cold engine (cold start) and the deflector. Check that the
3 cutting attachment is not touching
1
the ground or any other obstacles.
N Make sure you have a safe and
secure footing.
N Hold the unit firmly on the ground
5 with your left hand and press down
547BA016 KN
2 – do not touch the throttle trigger or
546BA007 KN
lockout lever.
N Press in the choke lever (5) and turn NOTICE
1 Throttle trigger lockout it to g at the same time.
2 Throttle trigger Do not stand or kneel on the drive tube.
Warm engine (warm start)
3 Stop switch with Run and 0 = Stop
positions.
Function of stop switch and ignition
system 5
The stop switch is normally in the Run
position, i.e. when it is not depressed:
547BA017 KN
The ignition is switched on – the engine
is ready to start. If the stop switch is
moved to the 0 position, the ignition is
switched off. The ignition is switched on N Press in the choke lever (5) and turn
again automatically after the engine it to < at the same time.
stops.
18 FS 40, FS 40 C, FS 50, FS 50 CEnglish
As soon as the engine runs Engine does not start in warm start
position <
N Move the choke knob to g and
continue cranking until the engine
runs.
If the engine does not start
547BA021 KN
N Check that all settings are correct.
N Check that there is fuel in the tank
and refuel if necessary.
N Press down the throttle trigger N Check that the spark plug boot is
lockout and open the throttle – the properly connected.
choke knob moves to the run
position F. After a cold start, warm N Repeat the starting procedure.
up the engine by opening the Fuel tank run until completely dry
547BA020 KN
throttle several times.
N After refueling, press the manual
fuel pump bulb at least five times –
WARNING even if the bulb is filled with fuel.
N Hold the starter grip with your right
Make sure the carburetor is correctly Set the choke knob to suit the
hand. N
adjusted. The cutting attachment must engine temperature.
Version without ErgoStart not rotate when the engine is idling.
N Start the engine.
The machine is now ready for operation.
N Pull the starter grip slowly until you
feel it engage and then give it a brisk
strong pull. Shut off the engine.
Version with ErgoStart N Move the stop switch in the direction
N Pull the starter grip steadily. of 0 – the engine stops – release
the stop switch – it springs back to
the run position.
NOTICE
Do not pull out the starter rope all the Other Hints on Starting
way – it might otherwise break.
N Do not let the starter grip snap back. Engine stalls in cold start position g or
Guide it slowly back into the housing under acceleration
so that the starter rope can rewind
properly. N Move the choke knob to < and
continue cranking until the engine
N Continue cranking until engine runs. runs.
FS 40, FS 40 C, FS 50, FS 50 C 19English
Operating Instructions Cleaning the Air Filter
4
During break-in period If there is a noticeable loss of engine
power
547BA023 KN
A factory-new machine should not be
run at high revs (full throttle off load) for
the first three tank fillings. This avoids
unnecessary high loads during the 3 N Reach into the recess (4) in the filter
break-in period. As all moving parts housing and take out the felt
have to bed in during the break-in 2 filter (5).
period, the frictional resistances in the 1 N Fit a new felt filter element (5). As a
547BA022 KN
engine are greater during this period.
temporary measure you can knock it
The engine develops its maximum
out on the palm of your hand or blow
power after about 5 to 15 tank fillings.
it out with compressed air. Do not
N Move the choke lever (1) toEnglish
Checking the spark plug
Adjusting the Carburetor Spark Plug
N If the engine is down on power,
difficult to start or runs poorly at idle
speed, first check the spark plug.
N Fit a new spark plug after about 100
000BA039 KN
operating hours – or sooner if the
0815BA006 KN
electrodes are badly eroded. Install
only suppressed spark plugs of the A
type approved by STIHL – see
"Specifications". N Clean dirty spark plug.
The carburetor has been set at the
factory to provide an optimum fuel-air N Check electrode gap (A) and
Removing the Spark Plug
mixture under most operating readjust if necessary – see
conditions. "Specifications".
N Shut off the engine.
N Rectify the problems which have
Adjusting Idle Speed caused fouling of the spark plug.
Possible causes are:
Engine stops while idling 1
– Too much oil in fuel mix.
N Warm up the engine for about 2 – Dirty air filter.
3 minutes.
547BA041 KN
– Unfavorable running conditions.
N Turn the idle speed screw (LA)
slowly clockwise until the engine
runs smoothly – the cutting
attachment must not run. N Remove the spark plug boot (1).
1
Cutting attachment runs when engine is N Unscrew the spark plug (2).
idling
000BA045 KN
N Turn the idle speed screw (LA)
counterclockwise until the cutting
attachment stops moving and then
rotate the screw another 1/2 to 3/4
turn in the same direction. WARNING
If the spark plug comes with a
WARNING
detachable adapter nut (1), screw the
If the cutting attachment continues to run adapter onto the thread and tighten it
when the engine is idling, have your down firmly to reduce the risk of arcing
machine checked and repaired by your and fire.
servicing dealer.
FS 40, FS 40 C, FS 50, FS 50 C 21English
Installing the Spark Plug
Engine Running Behavior Rewind Starter
N Screw the spark plug into the
cylinder. If engine running behavior is To help prolong the wear life of the
unsatisfactory even though the air filter starter rope, observe the following
N Press the boot firmly onto the spark is clean and the carburetor is properly points:
plug. adjusted, the cause may be the muffler.
N Pull the starter rope only in the
Have the muffler checked for direction specified.
contamination (carbonization) by your
N Do not pull the rope over the edge of
servicing dealer.
the guide bushing.
STIHL recommends that you have
N Do not pull out the rope more than
servicing and repair work carried out
specified.
exclusively by an authorized STIHL
servicing dealer. N Do not allow the starter grip to snap
back, guide it back into the housing
slowly – see chapter on "Starting /
Stopping the Engine."
Have a damaged starter rope replaced
by your dealer before it breaks
completely. STIHL recommends that
you have servicing and repair work
carried out exclusively by an authorized
STIHL servicing dealer.
22 FS 40, FS 40 C, FS 50, FS 50 CEnglish
Adjusting nylon line
Storing the Machine Maintaining the Mowing
Head
STIHL AutoCut
For periods of about 3 months or longer
Placing power tool on the ground
N Drain and clean the fuel tank in a
well ventilated area.
N Dispose of fuel properly in
accordance with local
environmental requirements.
N Run the engine until the carburetor
is dry – this helps prevent the
546BA016 KN
carburetor diaphragms sticking
together. 2
N Remove, clean and inspect the
cutting attachment. Coat metal N Switch off the engine.
cutting attachments with corrosion N Lay your trimmer on its back with 1
inhibitor. the loop handle and shroud pointing
down and the output shaft facing up.
232BA007 KN
N Thoroughly clean the machine – pay
special attention to the cylinder fins
and air filter. Replacing nylon line
N Store the machine in a dry and
secure location – out of the reach of Always check the mowing head for signs N Hold the rotating mowing head
children and other unauthorized of wear before replacing the nylon line. above the ground – tap it on the
persons. ground once – about 3 cm (1.2 in) of
fresh line is advanced.
WARNING
N The blade (1) on the deflector (2)
If there are signs of serious wear,
trims surplus line to the correct
replace the complete mowing head.
length – avoid tapping the mowing
The nylon mowing line is referred to as head more than once at a time.
"nylon line" or "line" in the following.
Line feed operates only if both lines still
The mowing head is supplied with have a minimum length of 2.5 cm (1 in).
illustrated instructions for replacing the
If the line is shorter than 2.5 cm (1 in):
nylon line. Keep the instructions for the
mowing head in a safe place.
WARNING
N If necessary, remove the mowing
head. To reduce the risk of injury, always shut
off the engine before adjusting the
mowing line by hand.
FS 40, FS 40 C, FS 50, FS 50 C 23English
N Turn the machine over. Assembling the mowing head
N Press down the cap on the spool as
far as stop.
1
N Pull the ends of the lines out of the
spool.
If the spool is empty, refill with nylon line.
2 4
All other mowing heads
Refer to the instructions supplied with 2
the mowing head.
3
S
ch
WARNING
nur
/L
IN
E
1
To reduce the risk of injury, always shut
S
ch
nur
/L
IN
E
off the engine before adjusting the
1
681BA021 KN
mowing line by hand.
681BA022 KN
Replacing nylon line
N Hold the mowing head steady and
rotate the cap (1) counterclockwise
STIHL FixCut N Fit the empty spool in the mowing
until it can be removed.
head.
N Pull the spool (2) out of the mowing
WARNING If the spring (4) has popped out:
head (3) and remove the remaining
To reduce the risk of injury, always shut line. N push it into the spool (2) until it
off the engine before refilling the mowing engages in position with an audible
head. click.
N Fit nylon line in mowing head as N Mount the mowing head – see
described in the instructions "Mounting the Mowing Head".
supplied.
STIHL AutoCut C 5-2
Disassembling the mowing head and
removing remaining nylon line
In normal operation, the supply of nylon
line in the head is used up almost
completely.
24 FS 40, FS 40 C, FS 50, FS 50 CEnglish
Winding line onto spool STIHL AutoCut 5-2
Removing remaining nylon line
2
E
IN
/L r
nu
ch
S
3
2
S
ch
nu
r
/L
IN
E
Schnur/LINE 2
1
Schnur/LINE 1
1
2
3
5
681BA024 KN
681BA023 KN
N Hold the mowing head steady.
681BA008 KN
N Use green-coded nylon line with a N Rotate the spool counterclockwise
diameter of 2.0 mm (0.08 in). until the shortest line is about 10 cm
(4 in).
N Cut two 2 m (6ft 6in) lengths of
N Open the mowing head – hold it
nylon line from the reel (special N If necessary, cut the longer line to a
steady with one hand and turn the
accessory). length of about 10 cm (4 in).
cap (1) counterclockwise.
N Rotate the spool (2) The mowing head is now full.
N Disengage the spool (2), take it out
counterclockwise until the two arrow
of the mowing head and remove the
points are in alignment.
remaining line.
N Push the straight end of each line
through one sleeve (5) in the Winding line onto spool
mowing head (3) until you feel a A prewound spool (special accessory)
noticeable resistance – and then may be used as an alternative to the
continue pushing as far as stop. following procedure.
FS 40, FS 40 C, FS 50, FS 50 C 25English
3
2
4
3
5
6
5
7
681BA009 KN
681BA011 KN
681BA010 KN
6
N Use green-coded nylon line with a N Straighten out the nylon lines and N Thread the ends of the lines (6)
diameter of 2.0 mm (0.08 in). wind them tightly on to the spool – through the sleeves (7) and push
one nylon line in each chamber. the spool (2) into the head so that it
N Cut two 3 m (9ft 9in) lengths of
snaps into position.
nylon line from the reel (special N Engage the ends of the lines in the
accessory). notches (2). The nylon lines must disengage from the
notches (5) as the spool is pushed into
N Insert the ends of each line (3) in the Assembling the mowing head position.
holes (4) in the spool.
N Pull out the ends of the lines as far
N Bend the ends of the lines over the
NOTICE as stop.
edge of the holes to form a hook.
Check that the spring is installed (see N Mount the mowing head on the
"Mounting the Mowing Head"). machine.
Replacing Cutting Blades
STIHL PolyCut
Always check the mowing head for signs
of wear before installing new cutting
blades.
26 FS 40, FS 40 C, FS 50, FS 50 CEnglish
WARNING
If there are signs of serious wear,
replace the complete mowing head.
The thermoplastic cutting blades are
referred to as "blades" in the following.
The mowing head is supplied with
illustrated instructions for replacing the
blades. Keep the instructions for the
mowing head in a safe place.
WARNING
To reduce the risk of injury, always shut
off the engine before installing the
blades.
N Remove the mowing head.
N Replace blades as shown in the
illustrated instructions.
N Mount the mowing head on the
machine.
FS 40, FS 40 C, FS 50, FS 50 C 27English
Maintenance and Care
The following intervals apply to normal operating conditions only. If your daily work-
after finishing work or daily
ing time is longer or operating conditions are difficult (very dusty work area, etc.),
after each refueling stop
shorten the specified intervals accordingly.
before starting work
every 12 months
as required
if damaged
if problem
monthly
weekly
Visual inspection (condition, leaks) X X
Complete machine
Clean X
Control handle Check operation X X
Clean X X
Air filter
Replace X
Check X
Manual fuel pump (if fitted)
Have repaired by servicing dealer1) X
Check X
Pickup body in fuel tank
Replace X X X
Fuel tank Clean X X
Check idle adjustment – the cutting
X X
Carburetor attachment must not rotate
Readjust idle X
Readjust electrode gap X
Spark plug
Replace after every 100 operating hours
Visual inspection X
Cooling inlets
Clean X
All accessible screws and nuts (not adjust-
Retighten X
ing screws)
Visual inspection X X
Cutting attachment Replace X
Check tightness X X
Safety labels Replace X
1)
STIHL recommends an authorized STIHL servicing dealer.
28 FS 40, FS 40 C, FS 50, FS 50 CEnglish
servicing dealer. STIHL dealers are – Rewind starter
Minimize Wear and Avoid regularly given the opportunity to attend
Damage – Spark plug
training courses and are supplied with
the necessary technical information.
Observing the instructions in this manual
helps reduce the risk of unnecessary If these maintenance operations are not
wear and damage to the power tool. carried out as specified, the user
assumes responsibility for any damage
The power tool must be operated,
that may occur. Among other parts, this
maintained and stored with the due care
includes:
and attention described in this owner's
manual. – Damage to the engine due to
neglect or deficient maintenance
The user is responsible for all damage
(e.g. air and fuel filters), incorrect
caused by non-observance of the safety
carburetor adjustment or
precautions, operating and maintenance
inadequate cleaning of cooling air
instructions in this manual. This includes
inlets (intake ports, cylinder fins).
in particular:
– Corrosion and other consequential
– Alterations or modifications to the
damage resulting from improper
product not approved by STIHL.
storage.
– Using tools or accessories which
– Damage to the machine resulting
are neither approved or suitable for
from the use of poor quality
the product or are of a poor quality.
replacement parts.
– Using the product for purposes for
which it was not designed. Parts Subject to Wear and Tear
– Using the product for sports or
competitive events. Some parts of the power tool are subject
– Consequential damage caused by to normal wear and tear even during
continuing to use the product with regular operation in accordance with
defective components. instructions and, depending on the type
and duration of use, have to be replaced
Maintenance Work in good time. Among other parts, this
includes:
All the operations described in the – Cutting attachments (all types)
"Maintenance Chart" must be performed – Mounting hardware for cutting
on a regular basis. If these maintenance attachments (rider plate, nut, etc.)
operations cannot be performed by the
– Deflectors for cutting attachments
owner, they should be performed by a
servicing dealer. – Clutch
STIHL recommends that you have – Filters (air, fuel)
servicing and repair work carried out
exclusively by an authorized STIHL
FS 40, FS 40 C, FS 50, FS 50 C 29English
Main Parts
1 Loop handle
2 Carrying ring
9 3 Stop switch
1 4 Throttle trigger lockout
6 5 Throttle trigger
3 4 8 6 Carburetor adjusting screws
2 7
7 Choke lever
8 Air filter cover
9 Spark plug boot
5
10 10 Machine support
# 11 Manual fuel pump
12 Tank cap
13 Tank
14 Starter grip
19 15 Muffler
11 14 16 Mowing head
17 Line limiting blade
12
18 Deflector
18 19 Drive tube
15 # Serial number
13
17
546BA015 KN
16
30 FS 40, FS 40 C, FS 50, FS 50 CEnglish
Fuel System Sound pressure level Lp to ISO 22868
Specifications
FS 40, FS 40 C: 94 dB(A)
All position diaphragm carburetor with
FS 50, FS 50 C: 93 dB(A)
Engine integral fuel pump
Sound power level Lw to ISO 22868
Fuel tank capacity: 340 cc (0.34 l)
Single cylinder two-stroke engine FS 40, FS 40 C: 107 dB(A)
Weight FS 50, FS 50 C: 108 dB(A)
FS 40, FS 40 C
Vibration measurement ahv,eq to
Displacement: 27.2 cc Dry, without cutting attachment and ISO 22867
Bore: 34 mm deflector
Stroke: 30 mm FS 40: 4.4 kg Handle, Handle,
Engine power to 0.7 kW (1 bhp) FS 40 C with ErgoStart: 4.5 kg left right
ISO 8893 at 8,500 rpm FS 50: 4.4 kg FS 40, FS 40 C: 7.0 m/s2 6.4 m/s2
Idle speed: 2,800 rpm FS 50: with long shaft: 4.5 kg FS 50, FS 50 C: 6.0 m/s2 5.7 m/s2
Cut-off speed (rated): 10,000 rpm FS 50 C with ErgoStart: 4.5 kg The K-factor in accordance with
Max. output shaft FS 50 C with ErgoStart and Directive 2006/42/EC is 2.5 dB(A) for
speed (cutting long shaft: 4.6 kg the sound pressure level and sound
attachment): 10,600 rpm power level; the K-factor in accordance
Dimensions with Directive 2006/42/EC is 2.0 m/s2
FS 50, FS 50 C for the vibration measurement.
Displacement: 27.2 cc REACH
without cutting attachment
Bore: 34 mm
FS 40: 1450 mm
Stroke: 30 mm
FS 40 C with ErgoStart: 1450 mm REACH is an EC regulation and stands
Engine power to 0.8 kW (1.1 bhp) for the Registration, Evaluation,
FS 50: 1450 mm
ISO 8893 at 8,500 rpm Authorisation and Restriction of
FS 50: with long shaft: 1650 mm
Idle speed: 2,800 rpm Chemical substances.
FS 50 C with ErgoStart: 1450 mm
Cut-off speed (rated): 10,000 rpm For information on compliance with the
FS 50 C with ErgoStart and
Max. output shaft REACH regulation (EC) No. 1907/2006
long shaft: 1650 mm
speed (cutting see www.stihl.com/reach.
attachment): 10,600 rpm
Noise and Vibration Data
Ignition System
Noise and vibration data measurements
include idling and rated maximum speed
Electronic magneto ignition
with the same duration of exposure.
Spark plug (resistor For further details on compliance with
type): NGK CMR 6 H Vibration Directive 2002/44/EC see
Electrode gap: 0.5 mm www.stihl.com/vib.
FS 40, FS 40 C, FS 50, FS 50 C 31English
Maintenance and Repairs Disposal EC Declaration of Conformity
Users of this machine may only carry out Observe all country-specific waste ANDREAS STIHL AG & Co. KG
the maintenance and service work disposal rules and regulations. Badstr. 115
described in this user manual. All other D-71336 Waiblingen
repairs must be carried out by a
confirms that the product described
servicing dealer.
below
STIHL recommends that you have
servicing and repair work carried out Category: Trimmer
exclusively by an authorized STIHL Make: STIHL
000BA073 KN
servicing dealer. STIHL dealers are Model: FS 40
regularly given the opportunity to attend
FS 40 C
training courses and are supplied with
the necessary technical information. FS 40 C-E
STIHL products must not be thrown in FS 50
When repairing the machine, only use the garbage can. Take the product,
replacement parts which have been FS 50-L
accessories and packaging to an
approved by STIHL for this power tool or approved disposal site for environment- FS 50 C
are technically identical. Only use high- friendly recycling. FS 50 C-E
quality replacement parts in order to FS 50 C-E L
Contact your STIHL servicing dealer for
avoid the risk of accidents and damage
the latest information on waste disposal. Serial identification: 4144
to the machine.
Displacement: 27.2 cm3
STIHL recommends the use of original
STIHL replacement parts. conforms to the provisions of Directives
2006/42/EC, 2004/108/EC and
Original STIHL parts can be identified by 2000/14/EC and has been developed
the STIHL part number, the { and manufactured in compliance with
logo and the STIHL parts symbol K the following standards in the versions
(the symbol may appear alone on small valid at the time of production:
parts).
EN ISO 11806-1, EN 61000-6-1,
EN 55012
The measured and guaranteed sound
power levels were determined according
to Directive 2000/14/EC, Annex V, using
the ISO 10884 standard.
Measured sound power level
all FS 40: 107 dB(A)
all FS 50: 108 dB(A)
32 FS 40, FS 40 C, FS 50, FS 50 CEnglish Guaranteed sound power level all FS 40: 109 dB(A) all FS 50: 110 dB(A) Technical documents deposited at: ANDREAS STIHL AG & Co. KG Produktzulassung (Product Licensing) The year of manufacture and serial number are applied to the product. Done at Waiblingen, 15.08.2014 ANDREAS STIHL AG & Co. KG Thomas Elsner Director Group Product Management FS 40, FS 40 C, FS 50, FS 50 C 33
0458-546-0121-D
englisch
G
www.stihl.com
*04585460121D*
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