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FS 87, FS 87 R

English

2

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 where there is a risk of an 

accident or personal injury or serious 

damage to property.

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 application 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 power tool 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.

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

Some special safety pre

-

cautions must be 

observed to reduce the 

risk of personal injury 

when operating this 

power tool because of the 

very high speed of its cut

-

ting attachment. 
It is important you read 

and understand the 

instruction manual before 

first use and keep the 

manual in a safe place for 

future reference. Non-

observance of the 

instruction manual may 

result in serious or even 

fatal injury.

Summary of Contents for FS 87

Page 1: ...STIHL FS 87 Instruction Manual...

Page 2: ......

Page 3: ...g Techniques 2 Approved Combinations of Cutting Attachment Deflector Handle and Harness 11 Mounting the Bike Handle 12 Mounting the Loop Handle 14 Adjusting the Throttle Cable 15 Fitting the Carrying...

Page 4: ...ate your power tool 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 powe...

Page 5: ...ge to the machine STIHL recommends the use of original STIHL replacement parts They are specifically designed to match your model and meet your performance requirements Never attempt to modify your un...

Page 6: ...g Check that your power tool is properly assembled and in good condition refer to appropriate chapters in the instruction manual Use only an approved combination of cutting attachment deflector handle...

Page 7: ...e 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 Power Tool Always hold the power tool fi...

Page 8: ...l 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 load...

Page 9: ...rpen 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 br...

Page 10: ...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 reg...

Page 11: ...s important to follow the maintenance instructions for the Polycut mowing head Risk of Kickout Blade Thrust with Metal Cutting Attachments When using metal cutting attachments grass cutting blade brus...

Page 12: ...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 when it has dulled noticeably and have it balanced...

Page 13: ...Approved Combinations of Cutting Attachment Deflector Handle and Harness Cutting Attachment Deflector Handle Shoulder strap 1 2 3 4 5 6 7 8 9 10 17 11 12 13 15 16 14 18 22 22 20 21 22 20 19 21 23 25 2...

Page 14: ...ush knife 250 3 12 Scratcher tooth circular saw blade 200 13 Chisel tooth circular saw blade 200 Non metal grass cutting blades brush knives and circular saw blades are not approved Deflectors 14 Defl...

Page 15: ...nut 9 remains in the control handle 10 N Push the control handle onto the end of the handlebar 1 until the holes 12 line up the throttle trigger 11 must point towards the gearbox N Insert the screw 8...

Page 16: ...rews 7 and tighten them down moderately against the barrier bar N Go to Securing the loop handle Loop handle without barrier bar N Fit the clamp 3 in the loop handle 4 and place them both on the drive...

Page 17: ...led 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 N Press down the throttle trigger lockout 1 and squeeze...

Page 18: ...deflector 1 when you use a mowing head N Slide the lower guide slot of the skirt 4 onto the deflector 1 it must snap into position N Push the blade 5 into the upper guide slot on the skirt and line it...

Page 19: ...re is packed with machine Mowing heads and metal cutting attachments may be mounted If the parts are packed with the machine N Pull the hose 1 protector for shipping off the shaft 2 The nut 3 rider pl...

Page 20: ...the tool used to block the shaft Removing the Mowing Head N Block the shaft STIHL SuperCut 20 2 STIHL AutoCut 25 2 STIHL AutoCut C 25 2 STIHL TrimCut 31 2 STIHL FixCut 25 2 STIHL PolyCut 20 3 N Unscr...

Page 21: ...g edges of 1 3 6 and 7 must point clockwise Direction of rotation is indicated by an arrow on the inside of the mowing attachment deflector or limit stop N Place the cutting attachment 8 on the thrust...

Page 22: ...Use only high quality gasoline with an octane rating of at least 90 ROC leaded or unleaded Unleaded gasoline must be used in machines equipped with a catalytic converter Using multiple tankfuls of lea...

Page 23: ...re can build up inside the canister open carefully N The fuel tank and the canister in which fuel mixture is stored should be cleaned thoroughly from time to time Residual fuel and the liquid used for...

Page 24: ...hat it is flush with the surface If the cliplock is not flush with the surface and the lug on the clip does not engage entirely in the recess arrow the cap is not properly closed and the steps describ...

Page 25: ...biner 2 is about a hand s width below your right hip N Balance the brushcutter Full harness N Put on the full harness 1 N Adjust the length of the strap so that the spring hook 2 is about a hand s wid...

Page 26: ...unit to hang freely N Check the position obtained Floating positions Mowing tools A such as mowing heads grass cutting blades and brush knives N should just touch the ground Circular saw blades B N s...

Page 27: ...n the direction of the arrow on the stop symbol h to STOP 0 Starting N Press down the trigger lockout lever and squeeze the throttle trigger N and hold them in that position N Move the slide control t...

Page 28: ...moves to the normal run position F and the engine settles down to idle speed Make sure the carburetor is correctly adjusted The cutting attachment must not rotate when the engine is idling Your machin...

Page 29: ...k 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...

Page 30: ...ent runs when engine is idling N Turn the idle speed screw LA counterclockwise until the cutting attachment stops running and then turn the screw about another 1 2 to 3 4 turn in the same direction If...

Page 31: ...g of LA screw has been corrected poor acceleration Idle setting is too lean N Turn the low speed screw L counterclockwise no further than stop until the engine runs and accelerates smoothly Erratic id...

Page 32: ...s damaged or heavily carbonized fit a new one N Refit the spark arresting screen N Insert the screw and tighten it down firmly N Fit the shroud N If the engine is down on power difficult to start or r...

Page 33: ...of arcing and fire Installing the spark plug N Screw the spark plug 3 into the cylinder and fit the boot 2 press it down firmly N Check the grease level regularly about every 25 hours of operation N...

Page 34: ...e from the rotor and starter grip N Tie a simple overhand knot in the new rope and then thread it through the top of the grip and the rope bushing 6 N Thread the rope through the rotor and secure it w...

Page 35: ...inst the cutouts arrows N Push the spring housing into the starter cover N Reinstall the rope rotor then go to Tensioning the Rewind Spring N If the spring pops out of the spring housing and uncoils R...

Page 36: ...nd 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...

Page 37: ...ncing 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 re balanced as necessary STIHL recomme...

Page 38: ...eplace X Pickup body in fuel tank Have checked by dealer1 X Have replaced by dealer1 X X X Fuel tank Clean X X Carburetor Check idle adjustment the cutting attachment must not turn X X Adjusting Idle...

Page 39: ...a STIHL servicing dealer 2 not in all versions market specific The following intervals apply to normal operating conditions only If your daily work ing time is longer or operating conditions are diff...

Page 40: ...hat 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 wit...

Page 41: ...ndle handlebar 7 Throttle trigger 8 Slide control 9 Throttle trigger interlock 10 Throttle cable retainer 11 Carrying ring 12 Fuel pump 13 Choke knob 14 Air filter cover 15 Fuel tank 16 Machine suppor...

Page 42: ...Electronic magneto ignition Fuel System All position diaphragm carburetor with integral fuel pump 5 2 002BA394 KN 1 3 3 6 4 1 4 002BA395 KN 8 7 Specifications Displacement 28 4 cm3 Bore 38 mm Stroke 2...

Page 43: ...Grass cutting blade 230 2 8 Grass cutting blade 230 4 9 Grass cutting blade 230 8 10 Grass cutting blade 250 40 Spezial 11 Brush knife 250 3 12 Scratcher tooth circular saw blade 200 13 Chisel tooth...

Page 44: ...tion When repairing the machine only use replacement parts which have been approved by STIHL for this power tool or are technically identical Only use high quality replacement parts in order to avoid...

Page 45: ...anagement All STIHL products comply with the highest quality standards An independent organization has certified that all products manufactured by STIHL meet the strict requirements of the ISO 9001 st...

Page 46: ...FS 87 FS 87 R English 44...

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Page 48: ...www stihl com 04582740121C 0458 274 0121 C 0458 274 0121 C englisch G...

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