Stihl FS 160, FS 220, FS 280, FS 290 Instruction Manual

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STIHL FS 160, 220, 280, 290

Instruction Manual

Contents

English

Guide to Using this Manual 2 Safety Precautions and Working

Techniques 2 Approved Combinations of Cutting

Attachment, Deflector, Limit Stop and Harness 13

Mounting the Drive Tube 14 Mounting the Bike Handle 16 Adjusting the Throttle Cable 21

Original Instruction ManualPrinted on chlorine-free paper

Mounting the Deflector 21 Mounting the Cutting Attachment 23 Fuel 27 Fueling 28 Fitting the Full Harness 29 Balancing the Trimmer/Brushcutter 30 Starting / Stopping the Engine 30 Operating Instructions 33 Cleaning the Air Filter 33 Adjusting the Carburetor 34 Winter Operation 36 Spark Plug 36 Engine Running Behavior 37

Printing inks contain vegetable oils, paper can be recycled.

Lubricating the Gearbox 37 Rewind Starter 38 Storing the Machine 38 Sharpening Metal Cutting Blades 38 Maintaining the Mowing Head 39 Maintenance and Care 41 Minimize Wear and Avoid Damage 43 Main Parts 44 Specifications 45 Special Accessories 47

Maintenance and Repairs 48 Disposal 48 EC Declaration of Conformity 49

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 troublefree use of the product.

Please contact your dealer or our sales company if you have any queries concerning this product.

Your

Dr. Nikolas Stihl

{

0458-323-0121-C. VA1.B14.

0000000625_011_GB

FS 160, FS 220, FS 280, FS 290

English

Guide to Using this Manual

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.

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

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.

Safety Precautions and Working Techniques

Some special safety precautions must be observed to reduce the risk of personal injury when operating this power tool because of the very high speed of its cutting attachment.

It is important that you read the instruction manual before first use and keep it in a safe place for future reference. Nonobservance of the instruction manual may result in serious or even fatal injury.

Observe all applicable local safety regulations, standards and ordinances.

If you have not used this type of power tool before: Have your dealer or other experienced user show you how to operate your unit or attend a special course in its operation.

Minors should never be allowed to use a power tool.

Keep bystanders, especially children, and animals away from the work area.

When the power tool is not in use, shut it off so that it does not endanger others. Secure it against unauthorized use.

The user is responsible for avoiding injury to third parties or damage to their property.

FS 160, FS 220, FS 280, FS 290

English

Do not lend or rent your power tool without the instruction manual. Be sure that anyone using it understands the information contained in this manual.

The use of noise emitting power tools may be restricted to certain times by national or local regulations.

To operate the power tool you must be rested, in good physical condition and mental health.

If you have any condition that might be aggravated by strenuous work, check with your doctor before operating a power tool.

Persons with pacemakers only: The ignition system of your power tool produces an electromagnetic field of a 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.

Do not operate the power tool if you are under the influence of any substance (drugs, alcohol) which might impair vision, dexterity or judgment.

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.

Do not use your power tool for any other purpose because of the increased 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 a

servicing dealer. Use only high quality attachments and accessories in order to avoid the risk of accidents and damage to the machine.

STIHL recommends the use of genuine STIHL cutting attachments and accessories. They are specifically designed to match the product and meet your performance requirements.

Never attempt to modify your unit 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 unauthorized attachments.

Do not use a pressure washer to clean the unit. The solid jet of water may damage parts of the unit.

The deflector on this power tool cannot protect the operator from all objects thrown by the cutting attachment (stones, glass, wire, etc.). Such objects may ricochet and then hit the operator.

Clothing and Equipment

Wear proper protective clothing and equipment.

Clothing must be sturdy but allow complete freedom of movement. Wear snug-fitting clothing, an overall and jacket combination, do not wear a work coat.

Avoid clothing that could get caught on branches or brush or moving parts of the machine. Do not wear a scarf, necktie or jewelry. Tie up and confine long hair (e.g. with a hair net, cap, hard hat, etc.).

Wear steel-toed safety boots with non-slip soles.

Sturdy shoes with non-slip soles may be worn as an alternative only when using mowing heads.

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. To reduce the risk of injury from thrown objects, always wear a face shield and safety glasses.

A face shield alone does not provide adequate eye protection.

Wear hearing protection, e.g. earplugs or ear muffs.

Wear heavy-duty work gloves made of durable material (e.g. leather).

STIHL offers a comprehensive range of personal protective clothing and equipment.

FS 160, FS 220, FS 280, FS 290

English

002BA079 KN

Transporting the Power Tool

Always turn off the engine.

Carry the unit hanging from the shoulder strap or properly balanced by the drive tube. Fit transport guard on metal cutting attachments to avoid the risk of injury from blade contact

In vehicles: Properly secure your power tool to prevent turnover, fuel spillage and damage.

Fueling

Gasoline is an extremely flammable fuel. Keep clear of naked flames. Do not spill any fuel – do not smoke.

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.

Fuel your power tool only in wellventilated areas. If you spill fuel, wipe the machine immediately – if fuel gets on your clothing, change immediately.

Your power tool comes standard with either a screw-type or bayonet-type fuel cap.

After fueling, tighten down the screw-type fuel cap as securely as possible.

Insert the fuel cap with hinged grip (bayonet-type cap) correctly in the opening, turn it clockwise as far as stop and fold the grip down.

This reduces the risk of unit vibrations causing the fuel cap to loosen or come off and spill quantities of fuel.

To reduce the risk of serious or fatal burn injuries, check for fuel leakage. If fuel leakage is found, do not start or run the engine until leak is fixed.

Before Starting

Check that your power tool is properly assembled and in good condition – refer to appropriate chapters in the instruction manual.

– Check the fuel system for leaks,

paying special attention to visible parts such as the tank cap, hose connections and the manual fuel pump (on machines so equipped). If there are any leaks or damage, do not start the engine – risk of fire. Have your machine repaired by a servicing dealer before using it again.

– Use only an approved combination

of cutting attachment, deflector, handle and harness. All parts must be assembled properly and securely.

– Slide control / stop switch must

move easily to STOP or 0.

– Smooth action of throttle trigger

lockout (if fitted) and throttle trigger – the throttle trigger must return automatically to the idle position.

– Check that the spark plug boot is

secure – a loose boot may cause arcing that could ignite combustible fumes and cause a fire.

– Check cutting tool or attachment for

correct and secure assembly and good condition.

FS 160, FS 220, FS 280, FS 290

English

002BA055 KN

002BA080 KN

– Check protective devices (e.g.

deflector for cutting attachment, rider plate) for damage or wear. Always replace damaged parts. Do not operate your machine with a damaged deflector or worn rider plate (lettering and arrows no longer legible).

– Never attempt to modify the controls

or safety devices in any way.

– Keep the handles dry and clean –

free from oil and dirt – for safe control of the power tool.

– Adjust the harness and handle(s) to

suit your height and reach. See chapters on "Fitting the Harness" and "Balancing the Brushcutter".

To reduce the risk of accidents, do not operate your power tool if it is damaged or not properly assembled.

If you use a shoulder strap or full harness: Practice removing and putting down the power tool as you would in an emergency. To avoid damage, do not throw the power tool 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.

Your power tool is a one-person unit. To reduce the risk of injury from thrown objects, do not allow other persons within a radius of 15 meters of your own position – even when starting.

To reduce the risk of injury, avoid contact with the cutting attachment.

Do not drop start the power tool – start the engine as described in the instruction manual. Note that the cutting attachment continues to run for a short period after you let go of the throttle trigger – flywheel effect.

Check idle speed setting: The cutting attachment must not rotate when the engine is idling with the throttle trigger released.

To reduce the risk of fire, keep hot exhaust gases and hot muffler away from easily combustible materials (e.g. wood chips, bark, dry grass, fuel).

Holding and Controlling the Unit

Always hold the power tool firmly with both hands on the handles.

Make sure you always have good balance and secure footing.

Models with bike handle

Right handle on control handle, left hand on left handle.

Models with loop handle

On models with a loop handle and barrier bar, left hand on loop handle, right hand on control handle, even if you are left-handed.

During Operation

Make sure you always have good balance and secure footing.

In the event of impending danger or in an emergency, switch off the engine immediately by moving the slide control / stop switch to STOP or 0.

FS 160, FS 220, FS 280, FS 290

English

15m (50ft)

The cutting attachment may catch and fling objects a great distance and cause injury - therefore, do not allow any other persons within a radius of 15 meters of your own position. To reduce the risk of damage to property, also maintain this distance from other objects (vehicles, windows). Even maintaining a distance 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.

Check and correct the idle speed setting regularly. If the cutting attachment continues to rotate when the engine is idling, have the machine checked by your servicing dealer. STIHL recommends a STIHL servicing dealer.

Take special care in slippery conditions (ice, wet ground, snow), on slopes or uneven ground.

Watch out for obstacles: Roots, tree stumps or holes which could cause you to trip or stumble.

Always stand on the ground while working, never on a ladder, work platform or any other insecure support.

Be particularly alert and cautious when wearing hearing protection because your ability to hear warnings (shouts, alarms, etc.) is restricted.

To reduce the risk of accidents, take a break in good time to avoid tiredness or exhaustion.

Work calmly and carefully – in daylight conditions and only when visibility is good. Stay alert so as not to endanger others.

Your power tool produces toxic exhaust fumes as soon as the engine is running. These fumes may be colorless and odorless and contain unburned hydrocarbons and benzol. Never run the engine indoors or in poorly ventilated locations, even if your model is equipped with a catalytic converter.

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.

To reduce the risk of accidents, stop work immediately in the event of nausea, headache, visual disturbances (e.g. reduced field of vision), problems with hearing, dizziness, deterioration in ability to concentrate. Apart from other possibilities, these symptoms may be caused by an excessively high concentration of exhaust gases in the work area.

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. Note that combustible fuel vapor may escape from the fuel system.

The dusts, vapor and smoke produced during operation may be dangerous to health. If the work area is very dusty or smoky, wear a respirator.

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 the fuel system in particular for leaks and make sure the safety devices are working properly. Do not continue operating your power tool if it is damaged. In case of doubt, consult your servicing dealer.

Do not operate your power tool in the starting throttle position – engine speed cannot be controlled in this position.

To reduce the risk of injury from thrown objects, never operate the unit without the proper deflector for the type of cutting attachment being used.

FS 160, FS 220, FS 280, FS 290

English

Inspect the work area: Stones, pieces of metal or other solid objects may be thrown more than 15 meters and cause personal injury or damage the cutting attachment and property (e.g. parked vehicles, windows).

Special care must be taken when working in difficult, over-grown terrain.

When cutting high scrub, under bushes and hedges: Keep cutting attachment at a minimum height of 15 cm to avoid harming small animals.

Always shut off the engine before leaving the unit unattended.

Check the cutting attachment at regular short intervals during operation or immediately if there is a noticeable change in cutting behavior:

– Turn off the engine. Hold the unit

firmly and wait for the cutting attachment to come to a standstill.

– Check condition and tightness, look

for cracks.

– Check sharpness.

– Replace damaged or dull cutting

attachments immediately, even if they have only superficial 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).

This may cause parts of the cutting attachment to come off and hit the operator or bystanders at high speed and result in serious or fatal injuries.

When using mowing heads

Equip the deflector with the additional components specified in the instruction manual.

Use only the deflector with properly mounted line limiting blade to ensure the mowing lines are automatically trimmed to the approved length.

To reduce the risk of injury, always turn off the engine before adjusting the nylon line of manually adjustable mowing heads

Using the unit with over-long nylon cutting lines reduces the engine's operating speed. The clutch then slips continuously and this causes overheating and damage to important components (e.g. clutch, polymer housing components) – and this can increase the risk of injury from the cutting attachment rotating while the engine is idling.

Using metal cutting attachments

STIHL recommends the use of original STIHL metal cutting attachments. They are specifically designed to match your model and meet your performance requirements.

Metal cutting attachments rotate at very high speed. The forces that occur act on the machine, the attachment and the material being cut.

Sharpen metal cutting attachments regularly as specified.

Unevenly sharpened metal cutting attachments cause out-of-balance which can impose extremely high loads on the machine and increase the risk of breakage.

Dull or improperly sharpened cutting edges can put a higher load on the cutting attachment and increase the risk of injury from cracked or broken parts.

Inspect metal cutting attachments for cracks or warping after every contact with hard objects (e.g. stones, rocks, pieces of metal). To reduce the risk of injury, remove burrs and other visible build-ups of material (use a file) because they may become detached and be thrown at high speed during operation.

If a rotating metal cutting attachment makes contact with a rock or other solid object there is a risk of sparking which may cause easily combustible material to catch fire under certain circumstances. Dry plants and scrub are also easily combustible, especially in hot and dry weather conditions. If there is a risk of fire, do not use metal cutting attachments near combustible materials, dry plants or scrub. Always contact your local forest authority for information on a possible fire risk.

To reduce the above-mentioned risks when using a metal cutting attachment, never use a metal cutting attachment with a diameter larger than specified. It must not be too heavy. It must be

FS 160, FS 220, FS 280, FS 290

English

manufactured from materials of adequate quality and its geometry must be correct (shape, thickness).

To reduce the risk of injury, a metal cutting attachment not manufactured by STIHL must not be heavier, thicker, have a different shape or a diameter larger than the largest metal cutting attachment approved by STIHL for this power tool model.

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 genuine STIHL replacement parts. They are specifically designed to match your model and meet your performance requirements.

To reduce the risk of injury, always shut off the engine before carrying out any maintenance or repairs or cleaning the machine. – Exception: Carburetor and idle speed adjustments.

Do not turn the engine over on the starter with the spark plug boot or spark plug removed unless the slide control / stop switch is on STOP or 0 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.

Symbols on Deflectors

An arrow on the deflector shows the correct direction of rotation of the cutting attachments.

Use deflector in combination with mowing heads only. Do not use metal cutting attachments.

Harness / Strap

The harness is included in the scope of supply or available as a special accessory.

FS 160, FS 220, FS 280, FS 290

Mowing Head with Nylon Line

002BA364 KN

000BA015 KN

681BA209 KN

English

N Use a shoulder strap. N With the engine running, attach the

machine to the shoulder strap.

Grass cutting blades, brush knives and shredder blades must always be used in combination with a full harness.

Circular saw blades must always be used in combination with a full harness with a quick-release system.

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 DuroCut

If one of the wear limit marks imbedded in the baseplate of the DuroCut (exclamation marks) becomes visible, do not continue using the mowing head since it may otherwise be damaged.

Replace the worn baseplate.

The mowing head comes with instruction leaflets. Equip the mowing head only with nylon line as described in the instruction leaflets.

WARNING

Never use wire in place of the nylon mowing line – risk of injury.

STIHL Polycut Mowing Head with Polymer Blades

For mowing unobstructed edges of meadows (without posts, fences, trees or similar obstacles).

Check the wear limit marks!

FS 160, FS 220, FS 280, FS 290

Check the wear limit marks!

English

002BA396 KN

002BA135 KN

000BA020 KN

002BA355 KN

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.

is thrown to the right or to the rear – opposite to the attachment's direction of rotation.

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

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.

Brush Knife

For cutting matted grass, wild growth and scrub and thinning young stands with a stem diameter of no more than 2 cm – do not cut thicker stems – risk of accidents.

Use the brushcutter like a scythe (sweep it to the right and left) at ground level when cutting grass and thinning young stands.

Risk of Kickout (Blade Thrust) with Metal Cutting Attachments

When using metal cutting attachments (grass cutting blade, brush knife, shredder blade, circular saw blade) 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

Use for grass and weeds only – sweep the brushcutter in an arc like a scythe.

FS 160, FS 220, FS 280, FS 290

English

002BA509 KN

002BA210 KN

To cut wild growth and scrub, lower the brush knife down onto the growth to achieve a shredding effect – always keep the cutting attachment below hip level during this process.

Exercise extreme caution when using this method of cutting. The higher the cutting attachment is off the ground, the greater the risk of injury from cuttings being thrown sideways.

Warning! Improper use of a brush knife may cause it to crack, chip or shatter – risk of injury from thrown parts.

To reduce the risk of injury it is essential to take the following precautions:

– Avoid contact with stones, rocks,

pieces of metal and other solid foreign objects.

– Never cut wood or shrubs with a

stem diameter of more than 2 cm – use a circular saw blade for such work.

– Inspect the brush knife at regular

short intervals for signs of damage. Do not continue working with a damaged brush knife.

– Resharpen the brush knife regularly

and whenever it has dulled noticeably, and have it balanced if necessary (STIHL recommends a STIHL servicing dealer).

Shredder Blade

Suitable for thinning and shredding tough, matted grass and scrub.

To cut wild growth and scrub, lower the shredder blade down onto the growth to achieve a shredding effect – always keep the cutting attachment below hip level during this process.

Exercise extreme caution when using this method of cutting. The higher the cutting attachment is off the ground, the greater the risk of injury from cuttings being thrown sideways.

Warning! Improper use may damage the shredder blade – risk of injury from thrown parts.

To reduce the risk of injury it is essential to take the following precautions:

– Avoid contact with stones, rocks,

pieces of metal and other solid foreign objects.

– Never cut wood or shrubs with a

stem diameter of more than 2 cm – use a circular saw blade for such work.

– Inspect the shredder blade at

regular short intervals for signs of damage. Do not continue working with a damaged shredder blade.

– Resharpen the shredder blade

regularly and whenever it has dulled noticeably, and have it balanced if necessary (STIHL recommends a STIHL servicing dealer).

Circular Saw Blade

For cutting shrubs and trees:

Up to a stem diameter of 4 cm when used on brushcutters.

Up to a stem diameter of 7 cm when used on clearing saws.

Before starting the cut, accelerate the engine up to full throttle. Perform cut with uniform pressure.

Use circular saw blades only with a matching limit stop of the correct diameter.

WARNING

To reduce the risk of blade damage, avoid contact with stones and the ground. Resharpen the blade properly in good time – dull teeth may result in the blade cracking and shattering and causing serious injury.

When felling, maintain a distance of at least two tree lengths from the next felling site.

FS 160, FS 220, FS 280, FS 290

English

002BA068 KN

Risk of kickout

The risk of kickout is highest in the black area of the blade: Do not use this area of the circular saw blade for cutting.

There is also a risk of kickout when using the lighter shaded areas of the blade: These areas of the blade should only be used by experienced operators with specialized training.

STIHL recommends that you use the non-shaded area of the circular saw blade. Always start the cut with this area of the blade.

FS 160, FS 220, FS 280, FS 290

Approved Combinations of Cutting Attachment, Deflector, Limit Stop and Harness

681BA243 KN

Cutting Attachment Deflector, Limit Stop Harness

English

FS 160, FS 220, FS 280, FS 290

English

Approved Combinations

Select correct combination from the table according to the cutting attachment you intend to use.

WARNING

For safety reasons only the cutting attachments and deflectors or limit stops shown in each row of the table may be used together. No other combinations are permitted because of the risk of accidents.

Cutting Attachments

Mowing heads

1 STIHL SuperCut 40-2 2 STIHL AutoCut 40-2 3 STIHL AutoCut 40-4

4 STIHL TrimCut 41-2 5 STIHL DuroCut 40-4 6 STIHL PolyCut 41-3

Metal cutting attachments

7 Grass cutting blade 230-4 8 Grass cutting blade 255-8 9 Grass cutting blade 250-40 Spezial 10 Brush knife 305-2 Spezial 11 Brush knife 300-3 12 Shredder Blade 270-2 13 Scratcher tooth circular saw blade

200 14 Chisel tooth circular saw blade 200 15 Scratcher tooth circular saw blade

225 16 Chisel tooth circular saw blade 225

17 Carbide tipped circular saw blade

225

WARNING

Non-metal grass cutting blades, brush knives, shredder blades and circular saw blades are not approved.

Deflectors, Limit Stops

18 Deflector for mowing heads 19 Deflector with 20 Skirt and blade for mowing heads 21 Deflector without skirt and blade for

metal cutting attachments, items 7

to 11 22 Deflector for shredder blade 23 Limit stop for circular saw blades,

items 13 and 14 24 Limit stop for circular saw blades,

items 15 and 17

Harness

25 Full harness must be used

Approved for FS 280, 290 only

Mounting the Drive Tube

N Pull the protective cap off the drive

tube (1).

N Slide the two throttle cable

retainers (2) and the clamp (3) for the harness onto the drive tibe in the order shown.

FS 160, FS 220, FS 280, FS 290

English

N If the machine support is supplied

separately – use the two M5x16 screws to mount the machine support (4) to the underside of the engine.

N Unscrew the center screw (6) from

the sleeve (7) and pull the cap (5) off the clutch housing (8). Then push the cap onto the drive tube.

FS 160, FS 220, FS 280, FS 290

N Push the drive tube through the

sleeve and into the clutch

housing (8) until the hole (9) in the

drive tube lines up with the tapped

hole (10) in the sleeve.

N Fit the center screw, but do not

tighten it down yet.

N Insert the two M5x20 screws

provided and tighten them down firmly.

N Push the cap (5) over the sleeve so

that the opening (12) lines up with the tapped hole (10) in the sleeve.

N Tighten down the center screw in

the sleeve (7) firmly.

English

002BA128 KN

002BA229 KN

393BA049 KN

Mounting the Bike Handle

FS 160 – Mounting bike handle with fixed handle support

The fixed handle support is supplied separately and must be mounted to the drive tube.

Mounting the handlebar

N Mount the handlebar (1) on the

drive tube (2) about 40 cm (A) forward of the engine housing.

N Place the clamp (3) and handle

support (4) against the drive tube.

N Fit the handlebar (1) in the handle

support – the rubber handle must be on the left (viewed from the engine).

N Place the clamp (5) on the handle

support.

N Insert the screws (6) through the

holes in the parts and screw them

into the clamp (3) as far as stop.

N Line up the handlebar. N Tighten down the screws firmly.

Mounting the control handle

N Take out the screw (7) – the nut (8)

remains in the control handle (9). N Push the control handle onto the

handlebar (1) until the holes (11)

line up – the throttle trigger (10)

must point towards the gearbox. N Insert screw and tighten it down

firmly.

Fitting the throttle cable

NOTICE

Do not kink the throttle cable or lay it in tight radii – make sure the throttle trigger moves freely.

N Push the throttle cable (12) into the

retainer (13).

Adjusting the throttle cable

On control handles with slide: N Check adjustment of throttle cable –

see chapter on "Adjusting the Throttle Cable".

FS 160, FS 220, FS 280, FS 290

FS 220, FS 280, FS 290 – Mounting

324BA060 KN

324BA052 KN

324BA053 KN

bike handle with preassembled handle support

Adjusting and securing the handlebar

N Perforated strip on handle

support (3) faces operator.

N Loosen the hex head screw (1). N Rotate the bike handle on the

support (3) a quarter turn counterclockwise.

N Swing the ends of the handlebar up. N Tighten down the hex head

screw (1) firmly.

N Push the handlebar to the left until

distance (A) is about 15 cm.

N Tighten down the screws (2) firmly.

N Remove the seven mounting

screws from the support (3) and

take away the front part of the

support. N Position the drive tube in the rear

part of the support.

N Refit the front part of the support. N Fit the seven mounting screws but

do not tighten them down yet.

English

N Position the support so that

distance (B) between it and the clutch housing (5) is about 24 cm.

N Now tighten down the seven

mounting screws on the support firmly.

FS 160, FS 220, FS 280, FS 290

English

324BA056 KN

324BA088 KN

Mounting the control handle

N Take out the screw (6) – the nut (7)

remains in the control handle (8).

N Push the control handle onto the

handlebar (4) until the holes (10) line up – the throttle trigger (9) must point towards the gearbox.

N Insert screw and tighten it down

firmly.

Fitting the throttle cable retainers

N Press one throttle cable

retainer (13) into the upper

hole (14) and one into either of the

lower holes (15). N Press the third retainer (13) into the

hole (16) in the clutch housing cap.

Adjusting the throttle cable N Check adjustment of throttle cable –

see chapter on "Adjusting the

Throttle Cable".

FS 220, FS 280, FS 290 – Mounting handle support and bike handle

Mounting the handle support

N Remove the seven mounting

screws from the support (1) and take away the front part of the support.

NOTICE

Do not kink the throttle cable or lay it in tight radii – make sure the throttle trigger moves freely.

FS 160, FS 220, FS 280, FS 290

N Check that the nut (2) is in position

324BA082 KN

324BA083 KN

324BA084 KN

in the handle support.

N Fit the drive tube in the rear half of

the handle support – mounting area for perforated strip must face engine.

N Fit the perforated strip (3) and line

up the holes.

N Fit the front half of the support. N Fit the seven mounting screws but

do not tighten them down yet.

N Position the support so that the

distance (A) between it and the

clutch housing (4) is about 24 cm. N Now tighten down the seven

mounting screws on the support

firmly.

English

Mounting the handlebar

N Place the handlebar (1) in the lower

clamp (2) so that distance A is about 15 cm.

N Fit the upper clamp (3) and tighten

the two screws (4) moderately.

N Push the hex screw (5) with

washer (6) through the two clamps as far as stop – hold all parts together.

FS 160, FS 220, FS 280, FS 290

English

324BA085 KN

324BA086 KN

324BA087 KN

Mounting the control handle

N Place the assembly on the handle

support (7) with the hex screw at the side nearest the engine.

N Push the hex screw (5) into the

handle support as far as stop and then screw it down – but do not finally tighten yet.

N Position the handlebar at a right

angle to the drive tube – check distance A again.

N Tighten down the screws firmly.

N Take out the screw (1) – the nut (2)

remains in the control handle (3). N Push the control handle onto the

handlebar (5) until the holes (6) line

up – the throttle trigger (4) must

point towards the gearbox. N Insert screw and tighten it down

firmly.

Fitting the throttle cable retainers

NOTICE

Do not kink the throttle cable or lay it in tight radii – make sure the throttle trigger moves freely.

N Press one throttle cable retainer (7)

into the upper hole (8) and one into either of the lower holes (9).

N Press the third retainer (7) into the

hole (10) in the clutch housing cap.

Adjusting the throttle cable N Check adjustment of throttle cable –

see chapter on "Adjusting the Throttle Cable".

FS 160, FS 220, FS 280, FS 290

English

002BA163 KN

STOP

249BA017 KN

002BA513 KN

002BA514 KN

002BA515 KN

002BA516 KN

Adjusting the Throttle Cable

Some machine versions are equipped with a throttle cable adjuster on the control handle.

A properly adjusted throttle cable is the precondition for correct operation in the full throttle, starting throttle and idle positions.

Adjust the throttle cable only after the unit is fully assembled – the control handle must be in the normal operating position.

N Use a suitable tool to push the slide

to the end of the slot (see illustration).

Mounting the Deflector

Use the Right Deflector

WARNING

Deflector (2) may also be used for mowing heads if it is equipped with the skirt and line limiter blade, see "Mounting Skirt and Blade".

WARNING

Deflector (1) is approved for mowing heads only and must therefore be mounted before fitting a mowing head.

WARNING

Deflector (3) is approved for shredder blades only and must therefore be mounted before fitting a shredder blade.

N Press down the throttle trigger

lockout (1) and squeeze the throttle trigger (2) (full throttle) – this sets the throttle cable correctly.

FS 160, FS 220, FS 280, FS 290

WARNING

Deflector (2) is approved for grass cutting blades and brush knives only and must therefore be mounted before fitting a grass cutting blade or brush knife.

English

002BA517 KN

002BA520 KN

002BA526 KN

002BA527 KN

WARNING

The limit stop (4) is approved as a deflector for circular saw blades only and must therefore be mounted before fitting a circular saw blade. It is also necessary to change the guard ring (5), see "Mounting the Cutting Attachment" / "Mounting Circular Saw Blades".

Mounting the Deflector

Deflectors (1 to 4) are mounted to the gearbox in the same way.

Fitting the Skirt

When using mowing heads

The deflector for metal mowing attachments (1) must be equipped with the skirt (2) when you use mowing heads.

N Slide the lower guide slot (3) of the

skirt (2) onto the deflector (1) – it

must snap into position.

Mounting the Blade

When using nylon line mowing heads

The deflector for metal mowing attachments (1) must be equipped with the line limiter blade (4) when you use nylon line mowing heads.

N Push the blade (4) into the upper

guide slot (5) on the skirt (2) and line it up with the first hole.

N Insert the screw and tighten it down

firmly.

N Remove dirt from joints on gearbox

and deflector – make sure that no dirt gets into the screw holes in the gearbox.

N Place the deflector on the

gearbox (6).

N Insert the screws (7) and tighten

them down firmly.

FS 160, FS 220, FS 280, FS 290

English

002BA406 KN

002BA295 KN

681BA196 KN

Mounting the Cutting Attachment

Placing power tool on the ground

N Shut off the engine. N Lay your power tool on its back so

that the cutting attachment mounting face is pointing up.

Mounting Hardware

The mounting hardware supplied depends on the cutting attachment that comes as original equipment with the new machine.

The mounting hardware is fitted to the gearbox for transportation and must be removed before mounting a cutting attachment.

Removing the Mounting Hardware

N Block the shaft. N Use the combination wrench (1) to

loosen and remove the nut (2)

clockwise. N Remove the rider plate (3) and

thrust washer (4) (where fitted).

Checking the Thrust Plate

The thrust plate is necessary for mounting all cutting attachments to the gearbox.

The thrust plate consists of the thrust plate body (1) to which a captive guard washer (2) is fitted.

WARNING

Never use a thrust plate without the guard washer. Always replace a thrust plate if the guard washer is missing.

Mounting the Guard Ring

Always fit the guard ring that matches the cutting attachment you intend to use.

The following guard rings are either fitted to the gearbox or are available as special accessories.

FS 160, FS 220, FS 280, FS 290

English

002BA524 KN

002BA525 KN

002BA294 KN

Guard ring for mowing applications

For optimum protection from the ingress of grass when using grass cutting blades and brush knives

N Mount the guard ring (1) for mowing

applications.

N Fit the thrust plate (2) and the guard

washer (3).

Guard ring for sawing applications

For circular saw blades N Fit the guard ring (1) for sawing

applications. N Fit the thrust plate (2).

Cleaning the Gearbox and Cutting Attachment Mounting Hardware

Block the shaft.

N Insert the stop pin (1) in the bore (2)

in the gearbox as far as stop, apply slight pressure.

N Rotate the shaft until the stop pin

slips into position.

Mount the cutting attachment.

WARNING

Use a deflector that matches the cutting attachment – see "Mounting the Deflector".

Fitting Mowing Head with Screw Mounting

Clean the gearbox, the area surrounding it, i nside the grass shield and the cutting

attachment mounting hardware at regular intervals. Also check for contamination when changing the cutting attachment and clean thoroughly if necessary.

N Remove all cutting attachment

mounting hardware from the

gearbox for this purpose.

Keep the instruction leaflet for the mowing head in a safe place.

FS 160, FS 220, FS 280, FS 290

WARNING

002BA385 KN

681BA197 KN

681BA186 KN

002BA521 KN

Wear protective gloves to reduce the risk of direct contact with the sharp cutting edges.

Grass Cutting Blades, Brush Knives

Aligning the cutting attachment

English

N Screw the mowing head

counterclockwise on to the shaft (1) as far as stop.

N Block the shaft. N Tighten down the mowing head

firmly.

NOTICE

Remove the tool used to block the shaft.

Removing the Mowing Head

N Block the shaft. N Unscrew the mowing head

Removing and Installing Metal Cutting Attachments

Before removing and installing metal cutting attachments:

FS 160, FS 220, FS 280, FS 290

clockwise.

Cutting attachments with 2, 3 or 4 teeth may point in either direction – these cutting attachments must be turned over regularly to help avoid one-sided wear.

The cutting edges of the grass cutting blades 255-8 (1) and 250-40 Spezial (2) must point clockwise.

Mounting the cutting attachment N Fit the guard ring for mowing

applications.

N Place the cutting attachment (1) in

position.

WARNING

Collar (a) must locate in the cutting attachment's mounting hole (b).

Securing the cutting attachment N Fit the thrust washer (2) – convex

side must face up.

N Fit the rider plate (3) (for mowing

applications).

N Block the shaft. N Screw the mounting nut (4) on to the

shaft counterclockwise and tighten it down firmly.

WARNING

If the mounting nut has become too loose, fit a new one.

English

002BA522 KN

681BA165 KN

002BA300 KN

NOTICE

Remove the tool used to block the shaft.

Removing the cutting attachment

N Block the shaft. N Unscrew the mounting nut

clockwise.

N Pull the cutting attachment with its

mounting hardware off the gearbox.

Shredder Blade 270-2

Mounting the cutting attachment N Fit the guard ring for mowing

applications.

WARNING

Collar (a) must locate in the cutting attachment's mounting hole (b).

Securing the cutting attachment N Fit the thrust washer (2) – convex

side must face up.

N Fit the guard ring (3). N Block the shaft. N Screw the mounting nut (4) 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 cutting attachment

N Block the shaft. N Unscrew the mounting nut

clockwise. N Pull the cutting attachment with its

mounting hardware off the gearbox.

Circular Saw Blades 200 and 225

Aligning the cutting attachment

Cutting edges of circular saw blades must point clockwise.

Mounting the cutting attachment N Fit the guard ring for sawing

applications.

N Place the shredder blade (1) in

position – the cutting edges must point upwards.

N Place the cutting attachment (1) in

position.

FS 160, FS 220, FS 280, FS 290

English

WARNING

Collar (a) must locate in the cutting attachment's mounting hole (b).

Securing the cutting attachment N Fit the thrust washer (2) – convex

side must face up.

N Fit the rider plate (3) (for sawing

applications).

N Block the shaft. N Screw the mounting nut (4) 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 cutting attachment

N Block the shaft. N Unscrew the mounting nut

clockwise.

N Pull the cutting attachment with its

mounting hardware off the gearbox.

Fuel

Your engine requires a mixture of gasoline and engine oil.

WARNING

For health reasons, avoid direct skin contact with gasoline and avoid inhaling gasoline vapor.

STIHL MotoMix

STIHL recommends the use of STIHL MotoMix. This ready-to-use fuel mix contains no benzol or lead, has a high octane rating and ensures that you always use the right mix ratio.

STIHL MotoMix uses STIHL HP Ultra two-stroke engine oil for an extra long engine life.

MotoMix is not available in all markets.

Mixing Fuel

NOTICE

Unsuitable fuels or lubricants or mix ratios other than those specified may result in serious damage to the engine. Poor quality gasoline or engine oil may damage the engine, sealing rings, hoses and the fuel tank.

If your machine is equipped with a catalytic converter, you must use unleaded gasoline.

NOTICE

A few tankfuls of leaded gasoline will greatly reduce the efficiency of the catalytic converter.

Gasoline with an ethanol content of more than 10% can cause running problems in engines with a manually adjustable carburetor and should not be used in such engines.

Engines equipped with M-Tronic deliver full power when run on gasoline with an ethanol content of up to 25% (E25).

Engine oil

Use only high-quality two-stroke engine oil – preferably STIHL HP, HP Super or HP Ultra, which are specially formulated for use in STIHL engines. HP Ultra guarantees high performance and a long engine life.

These engine oils are not available in all markets.

Use only STIHL 50:1 two-stroke engine oil for the fuel mix in models with a catalytic converter.

Mix Ratio

STIHL 50:1 two-stroke engine oil: 50 parts gasoline to 1 part oil

FS 160, FS 220, FS 280, FS 290

Gasoline

Use only high-quality brand-name gasoline with a minimum octane rating of 90 – leaded or unleaded.

English

MIX

324BA019 KN

Examples

Gasoline STIHL engine oil 50:1 Liters Liters (ml)

10.02(20) 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

fuel. Pour oil into canister first, then add gasoline and mix thoroughly.

Storing Fuel

Store fuel only in approved safety-type fuel canisters in a dry, cool and safe location protected from light and the sun.

Fuel mix ages – only mix sufficient fuel for a few weeks work. Do not store fuel 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

canister before fueling your machine.

WARNING

Pressure may build up in the canister – open it carefully.

N Clean the fuel tank and canister

from time to time.

Dispose of remaining fuel and cleaning fluid properly in accordance with local regulations and environmental requirements.

Fueling

Preparations

N Before fueling, clean the filler cap

and the area around it to ensure that no dirt falls into the tank.

N Position the machine so that the

filler cap is facing up.

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 for fuel (special accessory).

FS 160, FS 220, FS 280, FS 290

English

MIX

324BA020 KN

357BA099 KN

357BA100 KN

N Opening the filler cap N Filling up with fuel

WARNING

After fueling, tighten down the filler cap as securely as possible by hand.

Changing the Fuel Pickup Body

Change the fuel pickup body every year:

N Drain the fuel tank. N Use a hook to pull the fuel pickup

body out of the tank and take it off the hose.

N Push the new pickup body into the

hose.

N Place the pickup body in the tank.

Fitting the Full Harness

Full harness

N Put on the full harness (1). N Ad just t he le ngth of the stra p so th at

the spring hook (2) is about a hand’s

width below your right hip.

FS 160

N Attach the carabiner (2) to the

carrying ring (3) on the drive tube.

N Loosen the screw (4). N Move carrying ring as required on

the drive tube – see "Balancing the Machine".

N Adjust the length of the strap so that

the spring hook (2) is about a hand’s width below your right hip.

N Tighten down the screw (4) firmly.

FS 160, FS 220, FS 280, FS 290

English

324BA075 KN

357BA028 KN

357BA029 KN

STOP

002BA182 KN

START

STOP-

FS 220, FS 280, FS 290

N Attach the carabiner (2) to the

perforated strip (5).

N Determine correct attachment point

– see "Balancing the Machine".

Balancing the Trimmer/Brushcutter

The unit is balanced differently, depending on the cutting attachment used.

N With the unit suspended from the

harness, see how it is balanced and

change attachment point as

necessary:

Mowing attachments

Mowing heads, grass cutting blades and brush knives and shredder blades should just touch the ground.

Circular saw blades

Starting / Stopping the Engine

Controls

1 Throttle trigger interlock 2 Throttle lever 3 Slide control

Positions of slide control

4STOP-0 – engine off – the ignition is

switched off

5 F – normal run position – the engine

is running or can start

6START – the ignition is switched on

– the engine can start

Circular saw blades should "hover" about 20 cm(A) above the ground.

FS 160, FS 220, FS 280, FS 290

English

270BA003 KN

270BA004 KN

002BA038 KN

002BA040 KN

Symbol on slide control 7 h – stop symbol and arrow. To stop

the engine, push the slide control in the direction of the arrow on the stop symbol (h) to STOP-0.

Starting

N Press down the trigger interlock

lever and squeeze the throttle trigger.

N and hold them in that position. N Move the slide control to START

and hold it there.

N Now release the throttle trigger,

slide control and trigger interlock in that order. This is the starting throttle position.

N Choke knob

If the engine is cold

N Turn the choke knob (8)

counterclockwise to g.

If the engine is warm

N Turn the choke knob (8) clockwise,

away from g. Also use this position

if the engine has been running but is

still cold.

Starting

N Place the unit on the ground: It must

rest securely on the engine support and the deflector. Check that the cutting attachment is not touching the ground of any other obstacles.

N Make sure you have a safe and

secure footing.

N Hold the unit firmly on the ground

with your left hand and press down – do not touch the throttle trigger or throttle interlock – your thumb should be under the fan housing.

NOTICE

Do not stand or kneel on the drive tube.

FS 160, FS 220, FS 280, FS 290

English

002BA072 KN

270BA004 KN

N Hold the starter grip with your right

hand.

N Pull the starter grip slowly until you

feel it engage and then give it a brisk strong pull.

NOTICE

Do not pull out the starter rope all the way – it might otherwise break.

N Do not let the starter grip snap back.

Guide it slowly back into the housing so that the starter rope can rewind properly.

N Continue cranking.

When the engine begins to fire or after no more than five pulls

N Turn the choke knob (8) away from

N Continue cranking.

As soon as the engine runs N Blip the throttle trigger immediately.

The slide control moves to the

normal run position F – and the

engine settles down to idle speed.

WARNING

Make sure the carburetor is correctly adjusted. The cutting attachment must not rotate when the engine is idling.

Your machine is now ready for operation.

Stopping the engine

N Move the slide control to STOP-

0(h).

At very low outside temperatures:

N As soon as the engine runs: Blip the

throttle trigger to disengage the

starting throttle position. The slide

control moves to the normal run

position (F) – and the engine settles

down to idle speed. N Open the throttle slightly and warm

up the engine for a brief period.

If the engine does not start

If you did not turn the choke knob away from g to warm start quickly enough after the engine began to fire, the combustion chamber is flooded.

N Turn the choke knob away from g. N Select the starting throttle position. N Start the engine by pulling the

starter rope briskly – 10 to 20 pulls may be necessary.

If the engine still does not start N Move the slide control to STOP-

0(h).

N Remove the spark plug – see

"Spark Plug".

N Dry the spark plug. N Open the throttle wide. N Crank the engine several times with

the starter to clear the combustion chamber.

N Refit the spark plug – see "Spark

Plug".

N Move the slide control to START. N Turn the choke knob away from g

– even if the engine is cold.

N Now start the engine.

Throttle cable adjustment N Check adjustment of throttle cable –

see chapter on "Adjusting the Throttle Cable".

If fuel tank has been run completely dry and then refueled

N Crank the engine – note that the

engine will not start immediately because the carburetor first has to be primed with fuel.

FS 160, FS 220, FS 280, FS 290

Operating Instructions Cleaning the Air Filter

324BA030 KN

324BA031 KN

English

During break-in period

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 break-in period. As all moving parts have to bed in during the break-in period, the frictional resistances in the engine are greater during this period. The engine develops its maximum power after about 5 to 15 tank fillings.

During Operation

After a long period of full throttle operation, allow the engine to run for a short while at idle speed so that engine heat can be dissipated by the flow of cooling air. This protects enginemounted components (ignition, carburetor) from thermal overload.

After Finishing Work

Storing for a short period: Wait for the engine to cool down. Empty the fuel tank and keep the machine in a dry place, well away from sources of ignition, until you need it again. For longer out-ofservice periods – see "Storing the Machine".

If there is a noticeable loss of engine power

N Turn the choke knob to g (choke

shutter closed).

N Loosen the nuts (1). N Remove the carburetor box

cover (2).

N Remove the felt mat (3) and air

filter (4).

N Knock out the felt mat or blow it

clear – if heavily loaded with dirt, fit a new one.

N Wash the air filter in a clean, non-

flammable solution (warm soapy water) and shake it out thoroughly.

N Replace damaged parts of the air

filter.

N Install the air filter and felt mat. N Fit the carburetor box cover and

secure it in position.

FS 160, FS 220, FS 280, FS 290

English

323BA010 KN

323BA011 KN

323BA012 KN

Adjusting the Carburetor

The carburetor comes from the factory with a standard setting.

This setting provides an optimum fuel-air mixture under most operating conditions.

It ensures your machine will deliver maximum power, be fuel efficient and operate reliably.

Standard Setting

N Stopping the engine N Mount the cutting attachment. N Check the air filter and clean or

replace as necessary.

N Check that the throttle cable is

properly adjusted – readjust if necessary – see chapter on "Adjusting the Throttle Cable".

N Turn the low speed screw (L) one

full turn counterclockwise.

N Start and warm up the engine.

N Adjust idle speed with the idle speed

screw (LA) so that the cutting

attachment does not rotate.

Fine tuning (adjusting maximum RPM)

A slight correction of the setting of the high speed screw (H) may be necessary if engine power is not satisfactory when operating at high altitude, sea level or after changing the cutting attachment.

Fine tuning with mowing head

The mowing lines must extend as far as the blade on the deflector.

N Carry out the standard setting. N Warm up the engine for

about 1 minute at full throttle, then return to idling speed.

N Turn the high speed screw (H) a 1/2

turn counterclockwise.

N Open the throttle wide.

At high altitude N Turn the high speed screw (H)

clockwise (leaner) until there is no further noticeable increase in engine speed.

N Turn the high speed screw (H) 1/8

turn counterclockwise.

At sea level N Turn the high speed screw (H)

counterclockwise (richer) until there is no further noticeable increase in engine speed.

It is possible that maximum engine speed may be reached with the standard setting.

N Carefully turn the high speed

screw (H) and low speed screw (L) clockwise down onto their seats.

N Turn the high speed screw (H) one

full turn counterclockwise.

Fine tuning is performed with the high speed screw (H). It influences the machine's power and maximum RPM and must not be closed beyond the basic setting.

Fine tuning with metal cutting attachment

NOTICE

This adjustment may only be performed by trained personnel with the aid of a tachometer. STIHL recommends a STIHL servicing dealer.

FS 160, FS 220, FS 280, FS 290

English

323BA011 KN

323BA013 KN

N Carry out the standard setting. N Warm up the engine for

about 1 minute at full throttle, then return to idling speed.

N Turn the high speed screw (H) a 1/2

turn counterclockwise.

N Open the throttle wide and turn the

high speed screw (H) slowly clockwise until the maximum permissible engine speed of 12,500 rpm is reached.

NOTICE

Turning the high speed screw any further clockwise makes the fuel-air mixture too lean – risk of engine damage.

If maximum engine speed and full power cannot be achieved, ask your servicing dealer for assistance. STIHL recommends a STIHL servicing dealer.

Adjusting Idle Speed

N Warm up the engine.

Engine stops while idling N Carry out standard setting on low

speed screw (L). N Turn the idle speed screw (LA)

slowly clockwise until the engine

runs smoothly – the cutting

attachment must not turn.

Cutting attachment rotates when engine is idling

N Turn the idle speed screw (LA)

counterclockwise until the cutting

attachment stops moving and then

rotate the screw another 1/4 to 1/2

turn in the same direction.

WARNING

If the cutting attachment continues to run when the engine is idling, have your machine checked and repaired by your servicing dealer.

Erratic idling behavior, poor acceleration, engine stops even though setting of LA-screw has been corrected

Idle setting is too lean: N Carry out standard setting on low

speed screw (L). N Turn the low speed screw (L)

counterclockwise until the engine

runs and accelerates smoothly.

N Turn the low speed screw (L)

clockwise until the engine speed drops – then turn it back a 1/4 turn, open the throttle and check that the engine accelerates smoothly.

After every correction to the low speed screw (L):

– It may be necessary to change the

setting of the idle speed screw (LA).

– It may be necessary to change the

setting of the high speed screw (H).

FS 160, FS 220, FS 280, FS 290

Erratic idle speed, exhaust smokes at idle speed

Idle setting is too rich

English

324BA032 KN

324BA076 KN

000BA039 KN

000BA045 KN

Winter Operation

At temperatures below +10°C

Fit cover plate 4119 007 1022 (special accessory) on the starter cover. This causes heated air to be drawn in from around the cylinder.

The cover plate comes with illustrated fitting instructions.

Important:

To avoid engine running problems, always remove the cover plate when the outside temperature rises above + 10°C.

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

operating hours – or sooner if the

electrodes are badly eroded. Install

only suppressed spark plugs of the

type approved by STIHL – see

"Specifications".

Removing the spark plug

N Remove the mounting screws (1)

from the shroud (2).

N Remove the shroud (2). N Pull off the spark plug boot (3). N Unscrew the spark plug.

Checking the spark plug

N Clean dirty spark plug. N Check electrode gap (A) and

readjust if necessary – see "Specifications".

N Rectify the problems which have

caused fouling of the spark plug.

Possible causes are:

– Too much oil in fuel mix.

– Dirty air filter.

– Unfavorable running conditions.

WARNING

If the spark plug comes with a detachable adapter nut (1), screw the adapter onto the thread and tighten it down firmly to reduce the risk of arcing and fire.

FS 160, FS 220, FS 280, FS 290

English

324BA077 KN

256BA044 KN

Installing the spark plug

N Screw home the spark plug, fit the

boot (3) and press it down firmly.

N Fit the shroud (2). N Insert the screws (1) and tighten

them down firmly.

Engine Running Behavior Lubricating the Gearbox

If engine running behavior is unsatisfactory even though the air filter is clean and the carburetor and throttle cable are properly adjusted, the cause may be the muffler.

Have the muffler checked by a servicing dealer for contamination (carbonization).

STIHL recommends that you have servicing and repair work carried out exclusively by an authorized STIHL servicing dealer.

Use STIHL gear lubricant (special accessory) for lubrication.

N Check grease level about every 100

hours of operation.

N Unscrew the filler plug (1). If no

grease can be seen on the inside of the filler plug, screw the tube of lubricant (2) into the filler hole.

N Squeeze up to 5 g grease into the

gearbox.

NOTICE

Do not completely fill the gearbox with grease.

N Refit the filler plug and tighten it

down firmly.

FS 160, FS 220, FS 280, FS 290

English

002BA083 KN

Rewind Starter Storing the Machine Sharpening Metal Cutting

Blades

To help prolong the wear life of the starter rope, observe the following points:

N Pull the starter rope only in the

direction specified.

N Do not pull the rope over the edge of

the guide bushing.

N Do not pull out the rope more than

specified.

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.

For periods of 3 months or longer 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

carburetor diaphragms sticking

together. N Remove, clean and inspect the

cutting attachment. N Thoroughly clean the machine – pay

special attention to the cylinder fins

and air filter. N Store the machine in a dry and

secure location – out of the reach of

children and other unauthorized

persons.

N Use a sharpening file (special

accessory) to sharpen dull cutting attachments. In case of more serious wear or nicks: Resharpen with a grinder or have the work done by a dealer – STIHL recommends a STIHL servicing dealer.

N Resharpen frequently, take away as

little material as possible: two or three strokes of the file are usually enough.

N Resharpen the cutters (1) uniformly

– do not alter the contour or the parent blade (2) in any way.

See cutting attachment packaging for additional sharpening instructions.

FS 160, FS 220, FS 280, FS 290

English

002BA406 KN

Balancing

N After resharpening about 5 times,

check the cutting attachment for out-of-balance on a STIHL balancer (special accessory) or have it checked by a dealer and rebalanced as necessary – STIHL recommends a STIHL servicing dealer.

Maintaining the Mowing Head

Placing power tool on the ground

N Shut off the engine. N Lay your power tool on its back so

that the cutting attachment

mounting face is pointing up.

Replacing Nylon Line

Always check the mowing head for signs of wear before replacing the nylon line.

WARNING

If there are signs of serious wear, replace the complete mowing head.

The nylon mowing line is referred to as "nylon line" or "line" in the following.

The mowing head is supplied with illustrated instructions for replacing the nylon line. Keep the instructions for the mowing head in a safe place.

N If necessary, remove the mowing

head.

Adjusting Nylon Line

STIHL SuperCut

Fresh line is advanced automatically if the remaining line is at least 6 cm (2 1/2 in) long. The blade on the deflector trims overlong lines to the correct length.

STIHL AutoCut N With the engine running, hold the

rotating mowing head above the grass surface.

N Tap it on the ground once – fresh

line is advanced and the blade on the deflector trims it to the right length.

Fresh line is advanced every time the mowing head is tapped on the ground. For this reason observe the mowing head's cutting performance during operation. If the mowing head is tapped on the ground too often, the line limiter blade will unnecessarily cut off unused lengths of nylon line.

Line feed operates only if both lines are still at least 2.5cm(1in) long.

STIHL TrimCut

WARNING

To reduce the risk of injury, always shut off the engine before adjusting the nylon line by hand.

N Pull the spool up – rotate it about 1/6

turn counterclockwise until it engages – and allow it to spring back.

N Pull ends of the lines outward.

FS 160, FS 220, FS 280, FS 290

English

Repeat the above procedure as necessary until both lines reach the limiter blade on the deflector.

Rotating the spool from one stop to the next advances about 4 cm (1 1/2 in) of fresh line.

Replacing nylon line

STIHL PolyCut

A length of nylon line can be fitted to the PolyCut in place of the cutting blades.

STIHL DuroCut, STIHL FixCut, STIHL PolyCut

WARNING

To reduce the risk of injury, always shut off the engine before refilling the mowing head by hand.

N Fit nylon line in mowing head as

described in the instructions supplied.

Replacing Cutting Blades

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.

STIHL PolyCut

Always check the mowing head for signs of wear before installing new cutting blades.

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.

FS 160, FS 220, FS 280, FS 290

English

Maintenance and Care

The following intervals apply to normal operating conditions only. If your daily working time is longer or operating conditions are difficult (very dusty work area, etc.), shorten the specified intervals accordingly.

before starting work

after finishing work or daily

after each refueling stop

weekly

monthly

every 12 months

if problem

if damaged

as required

Complete machine

Control handle Check operation XX

Air filter

Manual fuel pump (if fitted)

Pickup body in fuel tank

Fuel tank Clean XXX

Carburetor

Spark plug

Cooling inlets

All accessible screws and nuts (not adjusting screws)

Antivibration elements

Cutting attachment

Visual inspection (condition, leaks) XX

Clean X

Clean XX

Replace X

Check X

Have repaired by servicing dealer

Check X

Replace XXX

Check idle adjustment – the cutting attachment must not rotate

Readjust idle speed X

Readjust electrode gap X

Replace after every 100 operating hours

Visual inspection X

Clean X

Retighten X

Check

Replace

Visual inspection XX

Replace X

Check tightness XX

XXX

FS 160, FS 220, FS 280, FS 290

English

before starting work

after finishing work or daily

after each refueling stop

weekly

monthly

every 12 months

if problem

if damaged

as required

Metal cutting attachment Sharpen XX

Gearbox lubrication

Safety labels Replace X

STIHL recommends that this work be done by a STIHL servicing dealer

see chapter "Inspections and Maintenance by Dealer", section "Antivibration Elements"

Check XXX

Replenish X

FS 160, FS 220, FS 280, FS 290

English

Minimize Wear and Avoid Damage

Observing the instructions in this manual helps reduce the risk of unnecessary wear and damage to the power tool.

The power tool must be operated, maintained and stored with the due care and attention described in this owner's manual.

The user is responsible for all damage caused by non-observance of the safety precautions, operating and maintenance instructions in this manual. This includes in particular:

– Alterations or modifications to the

product not approved by STIHL.

– Using tools or accessories which

are neither approved or suitable for the product or are of a poor quality.

– Using the product for purposes for

which it was not designed.

– Using the product for sports or

competitive events.

– Consequential damage caused by

continuing to use the product with defective components.

Maintenance Work

All the operations described in the "Maintenance Chart" must be performed on a regular basis. If these maintenance operations cannot be performed by the owner, they should be 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.

If these maintenance operations are not carried out as specified, the user assumes responsibility for any damage that may occur. Among other parts, this includes:

– Damage to the engine due to

neglect or deficient maintenance

(e.g. air and fuel filters), incorrect

carburetor adjustment or

inadequate cleaning of cooling air

inlets (intake ports, cylinder fins).

– Corrosion and other consequential

damage resulting from improper

storage.

– Damage to the machine resulting

from the use of poor quality

replacement parts.

Parts Subject to Wear and Tear

Some parts of the power tool are subject to normal wear and tear even during regular operation in accordance with instructions and, depending on the type and duration of use, have to be replaced in good time. Among other parts, this includes:

– Cutting attachments (all types)

– Mounting hardware for cutting

attachments (rider plate, nut, etc.)

– Deflectors for cutting attachments

– Clutch

– Filters (air, fuel)

– Rewind starter

– Spark plug

– Antivibration elements

FS 160, FS 220, FS 280, FS 290

English

FS 220

FS 160

324BA080 KN

280 290

Main Parts

1 Slide control 2 Throttle trigger interlock 3 Throttle lever 4 Handlebar 5 Carrying strip 6 Carrying ring 7 Throttle cable 8 Choke knob 9 Filter cover 10 Muffler 11 Starter grip 12 Fuel filler cap 13 Fuel tank 14 Carburetor adjusting screw # Serial number

FS 160, FS 220, FS 280, FS 290

002BA359 KN

002BA361 KN

002BA362 KN

1 Mowing head 2 Deflector for mowing heads only 3 Blade 4 Deflector for all mowing

attachments 5 Skirt 6 Metal mowing attachment

7 Shredder blade 8 Shredder deflector (for shredder

blade only)

9 Circular saw blade 10 Limit stop for circular saw blades

only

English

Specifications

Engine

Single cylinder two-stroke engine

FS 160

Displacement: 29.8 cc Bore: 35 mm Stroke: 31 mm Engine power to

ISO 8893: Idle speed: 2,800 rpm Max. permissible

engine speed (metal cutting attachment): 12,500 rpm

Max. output shaft speed (cutting attachment): 9,000 rpm

FS 220

Displacement: 35.2 cc Bore: 38 mm Stroke: 31 mm Engine power to

ISO 8893: Idle speed: 2,800 rpm Max. permissible

engine speed (metal cutting attachment): 12,500 rpm

Max. output shaft speed (cutting attachment): 8,930 rpm

1.4 kW (1.9 HP) at 9,000 rpm

1.7 kW (2.3 bhp) at 9,500 rpm

FS 160, FS 220, FS 280, FS 290

English

FS 280

Displacement: 38.9 cc Bore: 40 mm Stroke: 31 mm Engine power to

ISO 8893:

1.9 kW (2.6 bhp)

at 9,500 rpm Idle speed: 2,800 rpm Cut-off speed (rated): 12,500 rpm Max. output shaft

speed (cutting attachment): 8,930 rpm

FS 290

Displacement: 38.9 cc Bore: 40 mm Stroke: 31 mm Engine power to

ISO 8893:

2.0 kW (2.7 bhp)

at 9,500 rpm Idle speed: 2,800 rpm Cut-off speed (rated): 12,500 rpm Max. output shaft

speed (cutting attachment): 8,930 rpm

Ignition System

Electronic magneto ignition

Spark plug (resistor type):

Bosch WSR 6 F

NGK BPMR 7 A Electrode gap: 0.5 mm

Fuel System

Weight

Dry, without cutting attachment and deflector

FS 160: 7.4 kg FS 220: 7.7 kg FS 280: 7.9 kg FS 290: 7.9 kg

Overall length

without cutting attachment FS 160: 1800 mm FS 220: 1850 mm FS 280: 1850 mm FS 290: 1850 mm

Noise and Vibration Data

Noise and vibration data measurements on FS units include idling and rated maximum speed with the same duration of exposure.

For further details on compliance with Vibration Directive 2002/44/EC see www.stihl.com/vib.

Sound pressure level L

to ISO 22868

peq

with mowing head FS 160: 98 dB(A)

FS 220: 98 dB(A) FS 280: 101 dB(A) FS 290: 100 dB(A)

with metal mowing attachment FS 160: 96 dB(A) FS 220: 98 dB(A) FS 280: 101 dB(A) FS 290: 100 dB(A)

Sound power level L

to ISO 22868

weq

with mowing head FS 160: 107 dB(A) FS 220: 108 dB(A) FS 280: 113 dB(A) FS 290: 109 dB(A)

with metal mowing attachment FS 160: 108 dB(A) FS 220: 109 dB(A) FS 280: 109 dB(A) FS 290: 110 dB(A)

Vibration measurement a

hv,eq

ISO 22867

with mowing head

Handle,

left FS 160: 2.5 m/s FS 220: 3.5 m/s23.7 m/s FS 280: 3.1 m/s22.6 m/s FS 290: 4.7 m/s24.7 m/s

Handle, right

3.5 m/s

All position diaphragm carburetor with integral fuel pump

Fuel tank capacity: 580 cc (0.58 l)

FS 160, FS 220, FS 280, FS 290

English

with metal mowing attachment

Handle,

left FS 160: 3.5 m/s FS 220: 3.7 m/s24.0 m/s FS 280: 4.3 m/s24.1 m/s FS 290: 4.1 m/s24.7 m/s

Handle, right

3.5 m/s

The K-factor in accordance with Directive 2006/42/EC is 2.5 dB(A) for the sound pressure level and sound power level; the K-factor in accordance with Directive 2006/42/EC is 2.0 m/s

for the vibration measurement.

Special Accessories

Cutting Attachments

Mowing heads

1 STIHL SuperCut 40-2 2 STIHL AutoCut 40-2 3 STIHL AutoCut 40-4 4 STIHL TrimCut 41-2 5 STIHL DuroCut 40-4 6 STIHL PolyCut 41-3

Metal cutting attachments

7 Grass cutting blade 230-4 8 Grass cutting blade 255-8 9 Grass cutting blade 250-40 Spezial 10 Brush knife 305-2 Spezial 11 Brush knife 300-3 12 Shredder blade 270-2 13 Scratcher tooth circular saw blade

200 14 Chisel tooth circular saw blade 200 15 Scratcher tooth circular saw blade

225 16 Chisel tooth circular saw blade 225 17 Carbide tipped circular saw blade

225

WARNING

Use cutting attachments only as specified in the chapter on "Approved Combinations of Cutting Attachment, Deflector, Limit Stop and Harness".

Special accessories for cutting attachments

– Nylon line for mowing heads,

items 1 to 6

– Prewound spool with nylon line for

items 1 to 4

– Serrated nylon line, pack of 48; for

item 5

– Thermoplastic blades, pack of 12;

for item 6

– Transport guard for items 7 to 17

Sharpening aids for metal cutting attachments

– Flat sharpening files for

items 7, 8, 10, 11, 12, 13, 15

– File holder with round file for

items 14, 16

– Saw set for items 14, 16

– STIHL balancer for items 7 to 17

– Sharpening templates (metal or

cardboard) for items 10, 11

FS 160, FS 220, FS 280, FS 290

Approved for FS 280, 290 only

Mounting hardware for metal cutting attachments

– Thrust washer

– Rider plate for mowing applications

– Rider plate for sawing applications

– Guard ring for shredder blade (for

use in place of rider plate)

English

000BA073 KN

– Guard ring for mowing applications

– Guard ring for sawing applications

– Nut

Other Special Accessories

– Safety glasses

– Harness

– Combination wrench

– Stop pin

– Carburetor screwdriver

– Shredder blade mounting kit

– STIHL gear lubricant

– Special resin-free lubricating oil

Contact your STIHL dealer for more information on these and other special accessories.

Maintenance and Repairs Disposal

Users of this machine may only carry out the maintenance and service work described in this user manual. All other repairs must be carried out by a servicing dealer.

When repairing the machine, only use replacement parts which have been approved by STIHL for this power tool or are technically identical. Only use highquality replacement parts in order to avoid the risk of accidents and damage to the machine.

STIHL recommends the use of original STIHL replacement parts.

Original STIHL parts can be identified by the STIHL part number, the { logo and the STIHL parts symbol K (the symbol may appear alone on small parts).

Observe all country-specific waste disposal rules and regulations.

STIHL products must not be thrown in the garbage can. Take the product, accessories and packaging to an approved disposal site for environmentfriendly recycling.

Contact your STIHL servicing dealer for the latest information on waste disposal.

FS 160, FS 220, FS 280, FS 290

English

EC Declaration of Conformity

ANDREAS STIHL AG & Co. KG Badstr. 115 D-71336 Waiblingen

confirms that the product described below

Category: Trimmer Make: STIHL Model: FS 160

FS 220 FS 280

FS 290 Serial identification: 4119 Displacement FS 160 29.8 cm FS 220 35.2 cm FS 280 38.9 cm FS 290 38.9 cm

conforms to the specifications of Directives 2006/42/EC, 2004/108/EC and 2000/14/EC and has been developed and manufactured in compliance with the following standards:.

EN ISO 11806, EN 55012, EN 61000-6-1

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

Guaranteed sound power level

FS 160 113 dB(A) FS 220 114 dB(A) FS 280 115 dB(A) FS 290 115 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, 01.08.2012

ANDREAS STIHL AG & Co. KG

Thomas Elsner

Director Group Product Management

FS 160 111 dB(A) FS 220 112 dB(A) FS 280 113 dB(A) FS 290 113 dB(A)

FS 160, FS 220, FS 280, FS 290

0458-323-0121-C

englisch

www.stihl.com

*04583230121C*

0458-323-0121-C

Stihl FS 160, FS 220, FS 280, FS 290 Instruction Manual

Specifications and Main Features

Frequently Asked Questions

User Manual