Stihl FS 94 R User manual

STIHL FS 94 R Instruction Manual
Notice d’emploi

GInstruction Manual
1 - 39
FNotice d’emploi
40 - 83

Original Instruction ManualPrinted on chlorine-free paper
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© ANDREAS STIHL AG & Co. KG, 2022 0458-593-8221-B. VA2.E22. 0000008142_008_GB
FS 94 R
English
1
This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process
with electronic systems.
Contents
Dear Customer,
Thank you for choosing a quality
engineered STIHL product.
It has been built using modern
production techniques and
comprehensive quality assurance.
Every effort has been made to ensure
your satisfaction and trouble-free use of
the product.
Please contact your dealer or our sales
company if you have any queries
concerning this product.
Your
Dr. Nikolas Stihl
Guide to Using this Manual 2
Safety Precautions and Working
Techniques 2
Approved Combinations of Cutting
Attachment, Deflector, Handle and
Harness 11
Approved Power Tool Attachments 12
Mounting the Loop Handle 13
Fitting the Carrying Ring 14
Mounting the deflector 15
Mounting the Cutting Attachment 16
Fuel 18
Fueling 19
Fitting the Harness 20
Balancing the Machine 21
Starting / Stopping the Engine 21
Transporting the Unit 24
Operating Instructions 25
Cleaning the Air Filter 25
Engine Management 26
Adjusting the Carburetor 26
Spark Plug 26
Lubricating the Gearbox 27
Storing the Machine 28
Sharpening Metal Cutting Blades 28
Maintaining the Mowing Head 28
Inspection and Maintenance by
User 29
Inspections and Maintenance by
Dealer 30
Maintenance and Care 31
Main Parts 33
Specifications 36
Maintenance and Repairs 37
Disposal 37
STIHL Limited Emission Control
Warranty Statement 37

FS 94 R
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Pictograms
The meanings of the pictograms
attached to the machine are explained in
this manual.
Depending on the model concerned, the
following pictograms may be attached to
your machine.
Symbols in text
WARNING
Warning where there is a risk of an
accident or personal injury or serious
damage to property.
NOTICE
Caution where there is a risk of
damaging the machine or its individual
components.
Engineering improvements
STIHL's philosophy is to continually
improve all of its products. For this
reason we may modify the design,
engineering and appearance of our
products periodically.
Therefore, some changes, modifications
and improvements may not be covered
in this manual.
Observe all applicable local safety
regulations, e.g. by trade organizations,
social insurance institutions, labor safety
authorities etc.
If you have never used a power tool
before: Have your dealer or other
experienced user show you how to
operate your machine – or attend a
special course to learn how to operate it.
Minors should never be allowed to use
the machine – except for apprentices
over the age of 16 when working under
supervision.
Children, animals and bystanders must
remain at a distance.
When not using the machine, it must be
laid down in such a way that it does not
endanger anyone. Ensure that the
machine cannot be used without
authorization.
Guide to Using this Manual
Fuel tank; fuel mixture of
gasoline and engine oil
Operate decompression
valve
Manual fuel pump
Operate manual fuel
pump
Tube of grease
Intake air: Summer
operation
Intake air: Winter
operation
Handle heating
Safety Precautions and
Working Techniques
Because the machine is a
high-speed fast-cutting
power tool, special safety
precautions must be
observed to reduce the
risk of personal injury.
It is important you read
and understand the User
Manual before commis-
sioning and keep it in a
safe place for future ref-
erence. Non-compliance
with the User Manual
may cause serious or
even fatal injury.

FS 94 R
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The user is responsible for accidents or
risks involving third parties or their
property.
Do not lend or rent your power tool
without the User Manual. Be sure that
anyone using it understands the
information contained in this manual.
The use of machines that emit noise
may be limited to certain hours of the
day as specified by national and/or
regional or local regulations.
Anyone operating the machine must be
well rested, in good physical health and
in good mental condition.
If you have any condition that might be
aggravated by strenuous work, check
with your doctor before operating a
machine.
If you have a pacemaker: The ignition
system of your machine produces an
electromagnetic field of very low
intensity. This field may interfere with
some pacemakers. STIHL recommends
that persons with pacemakers consult
their physician and the pacemaker
manufacturer to reduce any health risk.
Anyone who has consumed alcohol or
drugs or medicines affecting their ability
to react must not operate a power tool.
Depending on the cutting attachment
fitted, use your power tool only for
cutting grass, wild growth, shrubs,
scrub, bushes, small diameter trees and
similar materials.
The machine must not be used for any
other purposes – risk of accidents!
Only use cutting attachments and
accessories that are explicitly approved
for this power tool model by STIHL or
are technically identical. If you have any
questions in this respect, consult your
dealer. Use only high quality parts and
accessories. in order to avoid the risk of
accidents and damage to the machine.
STIHL recommends the use of original
STIHL tools and accessories. They are
specifically designed to match the
product and meet your performance
requirements.
Never attempt to modify your power tool
in any way since this may increase the
risk of personal injury. STIHL excludes
all liability for personal injury and
damage to property caused while using
unauthorised attachments.
The guard provided with your machine
may not protect the operator from all
foreign objects (gravel, glass, wire etc.)
ejected by the revolving cutting
attachment. Ejected objects may also
ricochet and strike the operator.
Do not use a high-pressure washer to
clean the power tool. The solid jet of
water may damage parts of the unit.
Clothing and equipment
Wear proper protective clothing and
equipment.
Do not wear clothing which could
become trapped in wood, brush or
moving parts of the machine. Do not
wear a scarf, necktie or jewelry. Tie up
and confine long hair above your
shoulders.
Sturdy shoes with non-slip shoes are
permissible only when using mowing
heads.
WARNING
Wear face protection and make sure it is
a good fit. Face protection alone is not
sufficient to protect the eyes.
Wear "personal" sound protection, e.g.
ear defenders.
Wear a safety hard hat for thinning
operations, when working in high scrub
and where there is a danger of head
injuries from falling objects.
STIHL can supply a comprehensive
range of personal protective equipment.
Clothing must be sturdy
but allow complete free-
dom of movement. Wear
close-fitting clothes such
as a boiler suit, not a
loose jacket.
Wear safety boots with
steel toe caps and non-
slip soles.
To reduce the risk of eye
injuries, wear close-fit-
ting safety glasses in
accordance with Euro-
pean Standard EN 166.
Make sure the safety
glasses are a snug fit.
Wear sturdy protective
gloves made of a resist-
ant material (e.g.
leather).

FS 94 R
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Transporting the machine
Always stop the engine.
The tool should be carried hanging on
the harness or by the shaft, in such a
way that it is balanced.
To reduce the risk of cut injuries, fit
transport guard on the cutting
attachment, even when carrying the tool
for short distances – see also
"Transporting the Unit".
By vehicle: When transporting in a
vehicle, properly secure your machine to
prevent turnover, damage and fuel
spillage.
Refueling
Always shut off the engine before
refueling.
Do not fuel a hot engine – fuel may spill
and cause a fire.
Open the fuel cap carefully to allow any
pressure build-up in the tank to release
slowly and avoid fuel spillage.
Only refuel the machine in a well
ventilated place. If fuel has been spilled,
immediately clean the machine – do not
allow your clothes to be splashed with
fuel. If that happens, change your
clothes at once.
This helps reduce the risk of engine
vibrations causing an incorrectly
tightened fuel cap to loosen or come off
and spill fuel.
Check for leaks. Do not start the engine
if there is a fuel leak – serious or fatal
burns could result!
Before starting
Check that your power tool is properly
assembled and in good condition – refer
to appropriate chapters in the User
Manual.
–Check the fuel system for leaks,
especially the visible parts, e. g.,
fuel cap, hose connections, manual
fuel pump (only in machines with a
manual fuel pump). In case of
leakage and damage, do not start
the engine – risk of fire! Have the
machine serviced by a dealer
before using it
–Use only an approved combination
of cutting attachment, deflector,
handle and harness. All parts must
be assembled properly and
securely
–The stop switch / slide control must
be easy to actuate
–Check the rotary knob for warm
start, throttle trigger lockout, throttle
trigger and set wheel for smooth
action – the throttle trigger must
return automatically to idle position.
From the warm start knob position
g, it must return to the run
position F when the throttle trigger
lockout and throttle trigger are
pressed simultaneously
–Check that the spark plug boot is
secure – a loose boot may cause
sparking that could ignite
combustible fumes and cause a fire!
–Cutting attachment or
interchangeable attachment:
correctly fitted, secure and in
perfect condition
Avoid touching hot parts
of the machine and gear-
box – risk of burns!
0208BA003 KN
0208BA004 KN
Gasoline is highly flam-
mable – keep away from
fire or flame – do not spill
any fuel – no smoking.
After refueling, close the
fuel cap as tightly as
possible.

FS 94 R
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–Safety devices (e. g., deflector for
cutting attachments, rider plate) for
damage and/or wear. Always
replace damaged parts. Do not use
the machine with a damaged
deflector or worn rider plate (if the
writing and arrows are no longer
discernible)
–Never attempt to modify the controls
or safety devices
–Keep the handles dry and clean –
free from oil and dirt – this is
important for safe control of the
machine
–Adjust the harness and handle(s) to
suit your height and reach Note the
information in the chapters "Fitting
the Harness" and "Balancing the
Machine".
To reduce the risk of personal injury, do
not operate your power tool if it is
damaged or not properly assembled!
To prepare for emergencies when using
a harness: Practice setting down the
machine quickly. To avoid damage, do
not throw the machine to the ground
when practicing.
Starting the engine
Start the engine at least 3 meters from
the fueling spot, outdoors only.
Place the unit on firm ground in an open
area. Make sure you have good balance
and secure footing. Hold the unit
securely. The cutting attachment must
be clear of the ground and all other
obstructions because it may begin to run
when the engine starts.
This is a one-person machine – ensure
that there is no-one within 15 meters of
the machine, not even when starting the
power tool! Risk of injury due to ejected
objects!
Check engine idling: The cutting
attachment must remain at a standstill
when the engine idles – throttle trigger
released.
Keep easily combustible materials
(e. g., wood chips, bark, dry grass, fuel)
away from hot exhaust gases and hot
muffler surfaces – risk of fire!
Holding and guiding the machine
Always hold the unit firmly with both
hands on the handles.
Make sure you always have good
balance and secure footing.
For versions with bike handle
Right hand on control handle, left hand
on grip on handlebar.
For versions with loop handle
Left hand on loop handle, right hand on
control handle, even if you are left-
handed.
While working
Make sure you always have a firm and
secure footing.
In the event of impending danger or in
an emergency, shut off the engine
immediately – move the stop switch /
slide control in the direction of 0.
Avoid contact with the
cutting attachment – risk
of injury!
Do not drop-start the
power tool – start the
engine as described in
the User Manual. The
cutting attachment runs
on for a short while after
releasing the throttle trig-
ger – coasting effect!
0208BA005 KN
0208BA006 KN

FS 94 R
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There is a risk of accident due to ejected
objects within a wide area around the
working space, so ensure there is no-
one within a 15 m radius of the tool. This
distance must also be maintained in
relation to objects (vehicles, window
panes) – risk of property damage! Even
at a distance over 15 m, danger cannot
be ruled out.
Check that the engine is properly idling
so that the cutting tool will not continue
rotating after you release the throttle
trigger.
Check and correct the idle speed setting
at regular intervals. If the cutting
attachment still rotates at idle speed,
have your dealer make proper
adjustments or repairs. STIHL
recommends you have this work done
by a STIHL servicing dealer.
Take special care in slippery conditions
– damp, snow, ice, on slopes or uneven
ground.
Watch out for obstacles: tree stumps,
roots – risk of tripping or stumbling!
Only work while standing on the ground,
never on a ladder, work platform or other
unstable surface.
Be particularly alert and cautious when
wearing hearing protection because
your ability to hear warnings (shouts,
alarms, etc.) is restricted.
Take breaks when you start getting tired
or feeling fatigue – risk of accidents!
Work calmly and carefully – in daylight
conditions and only when visibility is
good. Proceed with caution, do not put
others in danger.
To reduce the risk of serious or fatal
injury from breathing toxic fumes,
ensure proper ventilation when working
in trenches, hollows or other confined
locations.
Stop work immediately if you start
suffering from nausea, headaches,
impaired vision (e.g. your field of vision
gets smaller), impaired hearing,
dizziness, or impaired concentration –
these symptoms may possibly be the
result of too-high exhaust gas
concentration – Risk of accidents!
Operate your power tool so that it
produces a minimum of noise and
emissions – do not run the engine
unnecessarily, accelerate the engine
only when working.
To reduce the risk of fire, do not smoke
while operating or standing near your
power tool. Combustible fuel vapor may
escape from the fuel system.
Dust, fumes and smoke produced while
working may be hazardous to your
health. Wear respiratory protection in
case of heavy dust or smoke emission.
If your power tool is subjected to
unusually high loads for which it was not
designed (e.g. heavy impact or a fall),
always check that it is in good condition
before continuing work – see also
"Before Starting".
Check in particular that the fuel system
has no leaks and the safety equipment is
fully operative. Never use a power tool
that is no longer safe to operate. In case
of doubt, contact a dealer.
Be particularly careful when working on
difficult, densely grown terrain.
15m (50ft)
As soon as the engine is
running, the power
machine generates toxic
exhaust gas.As soon as
the engine is running, the
power machine gener-
ates toxic exhaust gas.
These gases may be
odorless and invisible
and may contain
unburned hydrocarbons
and benzene. Never run
the engine indoors or in
poorly ventilated loca-
tions, even if your model
is equipped with a cata-
lytic converter.
To reduce the risk
of injuryfrom
thrown objects,
never operate the
unit without the
proper deflector for
the type of cutting
attachment being
used.
Check the work site –
rocks, metal objects etc.
may be caught up and
ejected – possibly over a
distance of 15 m – risk of
injury! – They can also
damage the cutting
attachment and other
property (e. g. parking
vehicles, windows).

FS 94 R
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7
When mowing in high shrubbery, under
shrubbery and hedges: Hold the cutting
tool at a working height of at least 15 cm
– avoid risks to animals.
Always shut off the engine before
leaving the unit unattended.
Examine the cutting attachment
periodically at short intervals and as
soon as you note any noticeable
changes:
–Stop the engine, hold the machine
securely, allow the cutting
attachment to come to a stop
–Check condition and secure fitting;
watch out for cracks
–Ensure that the cutting blades are
sharp
–Replace damaged or blunt cutting
attachments immediately, even in
the event of minor hairline cracks
Clean grass and plant residue off the
cutting attachment mounting at regular
intervals – remove any build up of
material from the cutting attachment and
deflector.
To reduce the risk of injury, shut off the
engine before replacing the cutting
attachment.
Do not continue using or attempt to
repair damaged or cracked cutting
attachments by welding, straightening or
modifying the shape (out of balance).
Particles or pieces may come off and hit
the operator or a bystander at a high
speed – risk of most severe injuries!
If a rotating cutting attachment touches a
rock or another hard object, sparks may
be generated which may possibly ignite
combustible materials. Also dried-out
plants and brushwood are combustible,
above all in hot and dry weather. If there
is a risk of fire, do not use cutting
attachments in the vicinity of
combustible materials, dried-out plants
or brushwood. It is mandatory that you
ask the responsible forestry office about
any fire hazard conditions.
Using mowing heads
Extend the cutting attachment deflector
with the attached parts specified in the
User Manual.
Only use a deflector with a properly fitted
blade, to limit the mowing line to the
permissible length.
To adjust the mowing line in manually
adjustable mowing heads, always
switch off the engine first – risk of injury!
Misuse with mowing lines that are too
long reduces the working speed of the
engine. The constant slipping of the
clutch causes overheating and damage
to important components (e. g. clutch,
plastic housing parts) – e. g. due to the
cutting attachment rotating during idling
– risk of injury!
When using metal cutting attachments
STIHL recommends the use of original
STIHL metal cutting attachments. These
have been optimized for the machine
and the user’s requirements.
Metal cutting attachments rotate very
fast, generating forces acting on the
attachments and on the cuttings.
Metal cutting attachments must be
sharpened in regular intervals in
accordance with the instructions.
Unevenly sharpened metal cutting
attachments generate an imbalance
which may cause extreme loads on the
machine – risk of breakage!
Dull or improperly sharpened cutting
edges can put a higher load on the
cutting attachment and increase the risk
of injuryfrom cracked or broken parts.
After each contact of the metal cutting
attachment with hard objects (e.g.
stones, rocks, metal parts), check it for
damage (e.g. tears and deformation).
Burrs and other visible accumulated
material must be removed since it may
come loose at any time while the
machine is running and then be ejected
– risk of injury!
To reduce the above-specified risks
involved in operating a metal cutting
attachment, ensure that the diameter of
your metal cutting attachment is not too
big. Also, the attachment must not be
too heavy. It must be made of high-
quality materials and have a suitable
geometry (shape, thickness).
A metal cutting attachment not made by
STIHL must not have a different weight,
thickness, shape or a larger diameter
The gearbox gets hot
during operation. Never
touch the gearbox – risk
of burns!

FS 94 R
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than the largest STIHL metal cutting
attachment approved for this metal
cutting attachment – risk of injury!
Vibrations
Prolonged use of the power tool may
result in vibration-induced circulation
problems in the hands (whitefinger
disease).
No general recommendation can be
given for the length of usage because it
depends on several factors.
The period of usage is prolonged by:
–Hand protection (wearing warm
gloves)
–Work breaks
The period of usage is shortened by:
–Any personal tendency to suffer
from poor circulation (symptoms:
frequently cold fingers, tingling
sensations).
–Low outside temperatures.
–The force with which the handles
are held (a tight grip restricts
circulation).
Continual and regular users should
monitor closely the condition of their
hands and fingers. If any of the above
symptoms appear (e.g. tingling
sensation in fingers), seek medical
advice.
Maintenance and Repairs
Service the machine regularly. Do not
attempt any maintenance or repair work
not described in the instruction manual.
Have all other work performed by a
servicing dealer.
STIHL recommends that you have
servicing and repair work carried out
exclusively by an authorized STIHL
servicing dealer. STIHL dealers are
regularly given the opportunity to attend
training courses and are supplied with
the necessary technical information.
Only use high-quality replacement parts
in order to avoid the risk of accidents
and damage to the machine. If you have
any questions in this respect, consult a
servicing dealer.
STIHL recommends the use of original
STIHL replacement parts. They are
specifically designed to match your
model and meet your performance
requirements.
To reduce the risk of injury from
unintentional engine startup, always
shut off the engine and disconnect the
spark plug boot before performing any
repairs, maintenance or cleaning work. –
Exception: Carburetor and idle speed
adjustments.
Do not turn the engine over on the
starter with the spark plug boot or spark
plug removed since there is otherwise a
risk of fire from uncontained sparking.
To reduce the risk of fire, do not service
or store your machine near open flames.
Check the fuel filler cap for leaks at
regular intervals.
Use only a spark plug of the type
approved by STIHL and make sure it is
in good condition – see "Specifications".
Inspect the ignition lead (insulation in
good condition, secure connection).
Check the condition of the muffler.
To reduce the risk of fire and damage to
hearing, do not operate your machine if
the muffler is damaged or missing. –
Do not touch a hot muffler since burn
injury will result.
Vibration behavior is influenced by the
condition of the AV elements – check the
AV elements at regular intervals.
Maintenance, replacement, or repair of
the emission control devices and
systems may be performed by any
nonroad engine repair establishment or
individual. However, if you make a
warranty claim for a component which
has not been serviced or maintained
properly, STIHL may deny coverage.
For any maintenance please refer to the
maintenance chart and to the warranty
statement near the end of the instruction
manual.
Symbols on Deflectors
An arrow on the deflector shows the
correct direction of rotation of the cutting
attachments.
Some of the following symbols are
applied to the outside of the deflector to
indicate the approved combination of
cutting attachment and deflector.

FS 94 R
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Shoulder strap
NUse a shoulder strap.
NWith the engine running, attach the
machine to the shoulder strap.
Grass cutting blades must always be
used in combination with a shoulder
strap.
Mowing Head with Nylon Line
Nylon line achieves a soft cut for edging
and trimming around trees, fence posts,
etc. – less risk of damaging tree bark.
The mowing head comes with an
instruction leaflet. Refill the mowing
head with nylon line as described in the
instruction leaflet.
WARNING
To reduce the risk of serious injury,
never use wire or metal-reinforced line in
place of the nylon line.
STIHL Polycut Mowing Head with
Polymer Blades
For mowing unobstructed edges of
meadows (without posts, fences, trees
or similar obstacles).
Deflector may be used
with mowing heads.
Deflector must not be
used with mowing heads.
Deflector may be used
with grass cutting blades.
Deflector must not be
used with grass cutting
blades.
Deflector may be used
with brush knives.
Deflector must not be
used with brush knives.
Deflector must not be
used with shredder
blades.
Deflector must not be
used with circular saw
blades.
000BA015 KN

FS 94 R
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Check the wear limit marks!
If one of the wear limit marks on the
PolyCut mowing head is worn through
(arrow): Do not continue using the
mowing head. Install a new one. There
is otherwise a risk of injury from thrown
parts of the head.
It is important to follow the maintenance
instructions for the PolyCut mowing
head.
The PolyCut can also be equipped with
mowing line in place of the polymer
blades.
The mowing head comes with
instruction leaflets. Equip the mowing
head with polymers blades or nylon line
as described in the instruction leaflets.
WARNING
Never use wire in place of the nylon
mowing line – risk of injury.
Risk of Kickout (Blade Thrust) with Metal
Cutting Attachments
WARNING
The risk of kickout is greatest when the
black area of the rotating cutting
attachment comes into contact with a
solid object.
Grass Cutting Blade
Use for grass and weeds only – sweep
the brushcutter in an arc like a scythe.
WARNING
Improper use may damage the grass
cutting blade – risk of injury from thrown
parts.
Resharpen the grass cutting blade
according to instructions when it has
dulled noticeably.
002BA049 KN
When using metal cut-
ting attachments there is
a risk of kickout when the
rotating blade comes into
contact with a solid object
such as a tree trunk,
branch, tree stump, rock
or similar. The machine is
thrown to the right or to
the rear – opposite to the
attachment's direction of
rotation.
002BA135 KN
000BA020 KN

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Approved Combinations of Cutting Attachment, Deflector, Handle and Harness
Cutting attachment Deflector Handle Carrying strap
78
10
15
16 17
18 20
16 17
20
19
9
12
34
5
13
11
12
14
6
0000086484_002

FS 94 R
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Permissible combinations
Choose the correct combination from
the table depending on the cutting tool!
WARNING
For safety reasons only the cutting
attachments, deflector, handle and
harness versions within one line of the
table may be combined with one
another. No other combinations are
permitted because of the risk of
accidents.
Cutting attachments
Mowing heads
1STIHL SuperCut 20-2
2STIHL AutoCut 25-2 / AutoCut 27-2
3STIHL AutoCut C 26-2
4STIHL DuroCut 20-2
5STIHL PolyCut 20-3
6STIHL PolyCut 28-2
Metal cutting tools
7Grass cutting blade 230-2
(230 mm dia.)
8Grass cutting blade 260-2
(260 mm dia.)
9Grass cutting blade 230-4
(230 mm dia.)
10 Grass cutting blade 230-8
(230 mm dia.)
WARNING
Grass cutting blades of materials other
than metal must not be used.
Deflectors
11 Deflector for mowing heads
12 Deflector with
13 Skirt and blade for mowing heads
14 Deflector without skirt and blade for
metal mowing heads
Handles
15 Loop handle
16 Loop handle with
17 Barrier bar
Shoulder straps
18 Shoulder strap can be used
19 Shoulder strap must be used
20 Full harness can be used
The following STIHL attachments may
be used with the basic power tool:
Approved Power Tool
Attachments
Attachment
1) use the barrier bar on machines
with loop handle
Application
RG 1) Weeder

FS 94 R
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Using the Barrier Bar
A barrier bar may have to be mounted at
the loop handle to suit the tool you
intend to use – see "Approved
Combinations of Cutting Attachment,
Deflector, Handle and Harness".
The barrier bar is included with the
machine or is available as a special
accessory.
Mounting the Loop Handle with Barrier
Bar
NInsert the square nuts (1) in the
barrier bar (2) – the holes must line
up
NInsert the clamp (3) in the loop
handle (4) and position them
together on the shaft (5)
NPosition the clamp (6) against the
shaft
NPosition the barrier bar (2) – note
position!
NLine up the holes
NInsert the screws (7) in the holes
and screw them into the barrier bar
as far as they will go
NGo to "Securing the Loop Handle"
Mounting the Loop Handle
002BA571 KN
2
002BA098 KN
1
1
5
4
002BA099 KN
2
3
67

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Mounting the Loop Handle without
Barrier Bar
NInsert the clamp (3) in the loop
handle (4) and position them
together on the shaft (5)
NPosition the clamp (6) against the
shaft
NLine up the holes
NFit the washer (8) on the screw (7)
and insert the screw in the hole. Fit
the square nuts (1) and screw it
down as far as it will go
NGo to "Securing the Loop Handle"
Orienting and Securing the Loop Handle
The loop handle can be adjusted to suit
the height and reach of the operator and
the application by changing
distance "A".
Recommendation: distance (A):
about 20 cm (8 in)
NSlide the loop handle to the required
position
NLine up the loop handle (4)
NTighten down the screws until the
loop handle can no longer be
rotated on the shaft. If no barrier bar
is fitted – lock the nuts if necessary
Polymer Version
For position of carrying ring see "Main
Parts".
NPush the carrying ring (1) over the
drive tube.
NInsert the M5 nut in the hex recess
in the carrying ring.
NFit the M5x14 screw.
NLine up the carrying ring.
NTighten down the screw firmly.
7
8
5
4
1
6
1
3
8
7
002BA614 KN
4
002BA570 KN
A
Fitting the Carrying Ring
1
002BA529 KN

FS 94 R
English
15
Mounting the Deflector
1Deflector for mowing attachments
2Deflector for mowing heads
Deflectors (1 and 2) are both mounted to
the gearbox in the same way.
NPlace the deflector on the gearbox
flange.
NInsert the screws (3) and tighten
them down firmly.
Fitting the Skirt and Blade
WARNING
Risk of injury from thrown objects and
contact with the cutting attachment.
These parts must be fitted to the
deflector (1) when you use a mowing
head.
Fitting the Skirt
NSlide the lower guide slot of the skirt
onto the deflector – it must snap into
position.
Removing the Skirt
NInsert the stop pin into the hole in
the skirt and use it to push the skirt
to the left.
NPull the skirt off the deflector.
Mounting the Blade
NSlide the line limiting blade into the
guide on the skirt.
NInsert the screw and tighten it down
firmly.
Mounting the deflector
002BA636 KN
2
1
3
3
002BA637 KN
1.
2.
002BA646 KN
002BA638 KN

FS 94 R
English
16
Placing power tool on the ground
NShut off the engine.
NLay your power tool on its back so
that the cutting attachment
mounting face is pointing up.
Mounting Hardware for Cutting
Attachments
The mounting hardware supplied
depends on the cutting attachment that
comes as original equipment with the
new machine.
Machine supplied with mounting
hardware
Mowing heads and metal cutting
attachments may be mounted.
Depending on the cutting attachment, it
may be necessary to use the nut (3),
rider plate (4) and thrust washer (5).
These parts are included in a kit
supplied with the machine and are also
available as special accessories.
Removing the transport lock
NPull the hose (1) off the shaft (2).
Machine supplied without mounting
hardware
Only mowing heads may be used which
mount directly to the shaft (2).
Blocking the Shaft
The output shaft (2) must be blocked
with the stop pin (6) or screwdriver (6) to
mount or remove cutting attachments.
These parts come standard with the
machine or are available as special
accessories.
NInsert the stop pin (6) or
screwdriver (6) in the hole (7) in the
gearbox as far as stop – and apply
slight pressure.
NRotate shaft, nut or cutting
attachment until the stop pin slips
into position and blocks the shaft.
Mounting the Cutting
Attachment
1191BA026 KN
2
002BA164 KN
1
3
4
5
2
002BA266 KN
6
7
2
002BA330 KN
6

FS 94 R
English
17
Removing the Mounting Hardware
NBlock the shaft.
NUse the combination wrench (1) to
loosen and remove the nut (2)
clockwise (left-hand thread).
NTake the thrust washer (3) off the
shaft (4). Do not remove the thrust
plate (5).
Mounting the Cutting Attachment
WARNING
Use a deflector that matches the cutting
attachment – see "Mounting the
Deflector".
Fitting the mowing head with screw
mounting
Keep the supplement sheet for the
mowing head in a safe place.
NFit the thrust plate
NTurn the mowing head
anticlockwise on the shaft (1) as far
as it will go
NRetain the shaft
NTighten the mowing head
NOTICE
Remove the tool that was used to block
the shaft.
Removing the Mowing Head
NRetain the shaft
NTurn the mowing head clockwise
Mounting Metal Cutting Attachment
Keep the leaflet and packaging of the
metal cutting tool in a safe place.
WARNING
Wear protective gloves to reduce the
risk of direct contact with the sharp
cutting edges.
Mount only metal cutting attachments.
Check direction of rotation of cutting
attachment
The cutting edges of the grass cutting
blades (1) and (2) may point in either
direction – these cutting attachments
must be turned over regularly to reduce
one-sided wear.
Cutting edges of grass cutting blade (3)
must point clockwise.
3
4
2
271BA057 KN
1
5
1
002BA385 KN
1
3
2
681BA050 KN

FS 94 R
English
18
WARNING
Direction of rotation is indicated by an
arrow on the inside of the deflector.
NPlace the cutting attachment (4) on
the thrust plate (5).
WARNING
Collar (see arrow) must engage the
cutting attachment's mounting hole.
Securing the cutting attachment
NFit the thrust washer (6) – convex
side must face up.
NFit the rider plate (7).
NBlock the shaft (8).
NScrew the mounting nut (9) on to the
shaft counterclockwise and tighten
it down firmly.
WARNING
If the mounting nut has become too
loose, fit a new one.
NOTICE
Remove the tool used to block the shaft.
Removing the Metal Cutting Attachment
WARNING
Wear protective gloves to reduce the
risk of direct contact with the sharp
cutting edges.
NBlock the shaft.
NUnscrew the mounting nut
clockwise.
NRemove cutting attachment and its
mounting hardware from the
gearbox – but do not remove the
thrust plate (5).
This engine is certified to operate on
unleaded gasoline and with the mix ratio
50:1.
Your engine requires a mixture of high-
quality premium gasoline and high-
quality two-stroke air-cooled engine oil.
Use premium branded unleaded
gasoline with a minimum octane rating
of 89 (R+M)/2.
Note: Models equipped with a catalytic
converter require unleaded gasoline. A
few tankfuls of leaded gasoline can
reduce the efficiency of the catalytic
converter by more than 50%.
Fuel with a lower octane rating may
result in preignition (causing "pinging")
which is accompanied by an increase in
engine temperature. This, in turn,
increases the risk of the piston seizure
and damage to the engine.
The chemical composition of the fuel is
also important. Some fuel additives not
only detrimentally affect elastomers
(carburetor diaphragms, oil seals, fuel
lines etc.), but magnesium castings as
well. This could cause running problems
or even damage the engine. For this
reason it is essential that you use only
high-quality fuels!
Fuels with different percentages of
ethanol are being offered. Ethanol can
affect the running behaviour of the
engine and increase the risk of lean
seizure.
681BA051 KN
6
9
7
8
5
4
Fuel