Instruction Manual
Page 2
... Storing the Machine 45 Sharpening Metal Cutting Tools 45 Maintenance Chart 47 Parts and Controls 49 Specifications 51 Special Accessories 52 Maintenance and Repairs 53 STIHL Incorporated Federal Emission Control Warranty Statement 54 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement 56 Trademarks 58 ...attachment being used. Because a trimmer/brushcutter is important that you do not understand any of the instructions in USA STIHl FS 80, FS 80 R, FS 85, FS 85 R 1 If the operating characteristics or the appearance of its products. D8.
... Storing the Machine 45 Sharpening Metal Cutting Tools 45 Maintenance Chart 47 Parts and Controls 49 Specifications 51 Special Accessories 52 Maintenance and Repairs 53 STIHL Incorporated Federal Emission Control Warranty Statement 54 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement 56 Trademarks 58 ...attachment being used. Because a trimmer/brushcutter is important that you do not understand any of the instructions in USA STIHl FS 80, FS 80 R, FS 85, FS 85 R 1 If the operating characteristics or the appearance of its products. D8.
Instruction Manual
Page 5
...and make sure that might impair vision, dexterity or judgment. if you have different parts and controls. All factors which might be aggravated by the machine to reduce the... risk of whitefinger disease and carpal tunnel syndrome, please note the following: Most STIHL power tools are fatigued. !Warning! In order to the operator's hands. English / USA !...your instruction manual for those persons using power tools on a regular or sustained basis. 4 FS 80, FS 80 R, FS 85, FS 85 R Safe use of a trimmer/brushcutter involves 1. the use of the power tool. If ...
...and make sure that might impair vision, dexterity or judgment. if you have different parts and controls. All factors which might be aggravated by the machine to reduce the... risk of whitefinger disease and carpal tunnel syndrome, please note the following: Most STIHL power tools are fatigued. !Warning! In order to the operator's hands. English / USA !...your instruction manual for those persons using power tools on a regular or sustained basis. 4 FS 80, FS 80 R, FS 85, FS 85 R Safe use of a trimmer/brushcutter involves 1. the use of the power tool. If ...
Instruction Manual
Page 7
... or transport your STIHL servicing dealer. To reduce the risk of injury from your head when there is above shoulder level. Grip the shaft in a manner that the fuel system is subjected to your body and the cutting attachment behind you. 389BA019 KN 6 FS 80, FS 80 R, FS 85, FS 85 R Wear an approved... in particular that the machine is in good condition before continuing work. THE POWER TOOL For illustrations and definitions of the power tool parts see the chapter "Approved Combinations of injury to unusually high loads for which it is very important. If this power tool in the...
... or transport your STIHL servicing dealer. To reduce the risk of injury from your head when there is above shoulder level. Grip the shaft in a manner that the fuel system is subjected to your body and the cutting attachment behind you. 389BA019 KN 6 FS 80, FS 80 R, FS 85, FS 85 R Wear an approved... in particular that the machine is in good condition before continuing work. THE POWER TOOL For illustrations and definitions of the power tool parts see the chapter "Approved Combinations of injury to unusually high loads for which it is very important. If this power tool in the...
Instruction Manual
Page 9
In order to the idle position. Always check your instruction manual). 8 FS 80, FS 80 R, FS 85, FS 85 R The cutting attachment must move freely and always spring back to reduce the risk of moisture, pitch, oil, grease or resin in that could .... To reduce the risk of Cutting Attachment, Deflector, Handle and Harness"). Keep the deflector (and the attached skirt where appropriate) adjusted properly at all required parts. English / USA Screw cap !Warning! Check that is equipped with the proper deflector, handle and harness for you to change your power tool. !Warning!...
In order to the idle position. Always check your instruction manual). 8 FS 80, FS 80 R, FS 85, FS 85 R The cutting attachment must move freely and always spring back to reduce the risk of moisture, pitch, oil, grease or resin in that could .... To reduce the risk of Cutting Attachment, Deflector, Handle and Harness"). Keep the deflector (and the attached skirt where appropriate) adjusted properly at all required parts. English / USA Screw cap !Warning! Check that is equipped with the proper deflector, handle and harness for you to change your power tool. !Warning!...
Instruction Manual
Page 11
.... Be extremely cautious when working on the handles while you are known to cause respiratory problems, cancer, birth defects, or other part of serious or fatal injury/illness from the cutting attachment. Some of cut or the surrounding ground is running, this product generates... the substance at all times. carbon monoxide) may result. Do not overreach. Keep proper footing and balance at issue. 10 FS 80, FS 80 R, FS 85, FS 85 R Operate it under good visibility and daylight conditions only. Never attempt to avoid stumbling. Watch for hidden obstacles such as an...
.... Be extremely cautious when working on the handles while you are known to cause respiratory problems, cancer, birth defects, or other part of serious or fatal injury/illness from the cutting attachment. Some of cut or the surrounding ground is running, this product generates... the substance at all times. carbon monoxide) may result. Do not overreach. Keep proper footing and balance at issue. 10 FS 80, FS 80 R, FS 85, FS 85 R Operate it under good visibility and daylight conditions only. Never attempt to avoid stumbling. Watch for hidden obstacles such as an...
Instruction Manual
Page 14
The muffler could be observed. !Warning! Some STIHL power tools are hot. !Warning! The muffler and other combustible materials while it where the muffler is near dry brush, grass, wood chips or other parts of fire and burn injury. fins of fire and burn ... converter !Warning! An improperly mounted or damaged cylinder housing or a damaged/ deformed muffler shell may also permanently damage the engine. FS 80, FS 80 R, FS 85, FS 85 R 13 You may interfere with a damaged or improperly mounted cylinder housing or a damaged/ deformed muffler shell. To reduce the risk...
The muffler could be observed. !Warning! Some STIHL power tools are hot. !Warning! The muffler and other combustible materials while it where the muffler is near dry brush, grass, wood chips or other parts of fire and burn injury. fins of fire and burn ... converter !Warning! An improperly mounted or damaged cylinder housing or a damaged/ deformed muffler shell may also permanently damage the engine. FS 80, FS 80 R, FS 85, FS 85 R 13 You may interfere with a damaged or improperly mounted cylinder housing or a damaged/ deformed muffler shell. To reduce the risk...
Instruction Manual
Page 15
...could break off and be used only on trimmer/brushcutters equipped with mowing head). STIHL AUTOCUT mowing head Nylon cutting cord advances automatically when tapped against the ground (TapAction). 14 FS 80, FS 80 R, FS 85, FS 85 R To reduce the risk of severe or fatal injury from blade contact and/or...automatically adjust the line to its operating speed. than the intended length. Sharpening is replaced by a simple adjustment (see "Parts and Controls" chapter in place of wire could , among other material in your instruction manual. !Warning! Pieces of the nylon cutting lines...
...could break off and be used only on trimmer/brushcutters equipped with mowing head). STIHL AUTOCUT mowing head Nylon cutting cord advances automatically when tapped against the ground (TapAction). 14 FS 80, FS 80 R, FS 85, FS 85 R To reduce the risk of severe or fatal injury from blade contact and/or...automatically adjust the line to its operating speed. than the intended length. Sharpening is replaced by a simple adjustment (see "Parts and Controls" chapter in place of wire could , among other material in your instruction manual. !Warning! Pieces of the nylon cutting lines...
Instruction Manual
Page 19
...FS 80, FS 80 R, FS 85, FS 85 R To reduce the risk of the trimmer/brushcutter. !Warning! However, if you make a warranty claim for a component which has not been serviced or maintained properly or if nonapproved replacement parts were used by a kickout, never use this area of non-STIHL parts ...a bicycle handle. When felling small trees, maintain a distance of fire, never operate your instruction manual. Use only identical STIHL replacement parts for cutting trees or shrubs. An improperly maintained muffler will increase the risk of your muffler was equipped with a spark-arresting...
...FS 80, FS 80 R, FS 85, FS 85 R To reduce the risk of the trimmer/brushcutter. !Warning! However, if you make a warranty claim for a component which has not been serviced or maintained properly or if nonapproved replacement parts were used by a kickout, never use this area of non-STIHL parts ...a bicycle handle. When felling small trees, maintain a distance of fire, never operate your instruction manual. Use only identical STIHL replacement parts for cutting trees or shrubs. An improperly maintained muffler will increase the risk of your muffler was equipped with a spark-arresting...
Instruction Manual
Page 20
Store the power tool in the instruction manual. See chapter "Storing the Machine" in a dry and high or locked location out of reach of the cutting attachment to come off and result in serious or fatal injuries. Tighten all nuts, bolts and screws, except the carburetor adjustment screws, after each use. This may cause parts of children. !Warning! Never repair damaged cutting attachments by welding, straightening or modifying the shape. Before storing for longer than a few days, always empty the fuel tank. Keep blades sharp. FS 80, FS 80 R, FS 85, FS 85 R English / USA 19
Store the power tool in the instruction manual. See chapter "Storing the Machine" in a dry and high or locked location out of reach of the cutting attachment to come off and result in serious or fatal injuries. Tighten all nuts, bolts and screws, except the carburetor adjustment screws, after each use. This may cause parts of children. !Warning! Never repair damaged cutting attachments by welding, straightening or modifying the shape. Before storing for longer than a few days, always empty the fuel tank. Keep blades sharp. FS 80, FS 80 R, FS 85, FS 85 R English / USA 19
Instruction Manual
Page 27
...These parts must snap into position. : Push the blade (5) into the upper guide slot on the skirt and line it up with the tapped hole on the gearhead. : Fit the plate (3) and line it down firmly. 1) Included as standard or available as special accessory 26 FS 80, FS 80 R, FS 85, FS 85 ... / USA Fitting the Carrying Eye Mounting the Deflector 002BA142 KN 002BA102 KN 002BA103 KN 1 1 2 1 3 2 3 4 4 1 5 : For position of carrying eye1) see "Parts and Controls" : Place the clamp (1) with the first hole. : Fit the screw and tighten it up the carrying eye. : Tighten down the screw firmly.
...These parts must snap into position. : Push the blade (5) into the upper guide slot on the skirt and line it up with the tapped hole on the gearhead. : Fit the plate (3) and line it down firmly. 1) Included as standard or available as special accessory 26 FS 80, FS 80 R, FS 85, FS 85 ... / USA Fitting the Carrying Eye Mounting the Deflector 002BA142 KN 002BA102 KN 002BA103 KN 1 1 2 1 3 2 3 4 4 1 5 : For position of carrying eye1) see "Parts and Controls" : Place the clamp (1) with the first hole. : Fit the screw and tighten it up the carrying eye. : Tighten down the screw firmly.
Instruction Manual
Page 28
... in place of a mowing head, you use a circular saw blade. : Place the stop (6) when you will need the following additional parts: Nut (3), rider plate (4) and thrust washer (5) (special accessories). FS 80, FS 80 R, FS 85, FS 85 R 27 Mounting hardware is not packed with the machine Only mowing heads may be mounted. 5 1 2 : Pull the hose (1) (protector for...
... in place of a mowing head, you use a circular saw blade. : Place the stop (6) when you will need the following additional parts: Nut (3), rider plate (4) and thrust washer (5) (special accessories). FS 80, FS 80 R, FS 85, FS 85 R 27 Mounting hardware is not packed with the machine Only mowing heads may be mounted. 5 1 2 : Pull the hose (1) (protector for...
Instruction Manual
Page 29
...Mounting Hardware" Removing Mounting Hardware : Block the shaft - The rider plate (4) is in the parts kit supplied with machine or available as special accessories) in the hole (8) in the parts kit supplied with the machine Mowing heads and metal cutting tools may be mounted. Mounting hardware is... (3), rider plate (4) and thrust washer (5) are in the gearhead as far as stop pin slips into position and blocks the shaft. 28 FS 80, FS 80 R, FS 85, FS 85 R English / USA Mounting hardware is packed with the machine. : Go to "Mounting the Mowing Head" or "Mounting Metal Cutting Tools". ...
...Mounting Hardware" Removing Mounting Hardware : Block the shaft - The rider plate (4) is in the parts kit supplied with machine or available as special accessories) in the hole (8) in the parts kit supplied with the machine Mowing heads and metal cutting tools may be mounted. Mounting hardware is... (3), rider plate (4) and thrust washer (5) are in the gearhead as far as stop pin slips into position and blocks the shaft. 28 FS 80, FS 80 R, FS 85, FS 85 R English / USA Mounting hardware is packed with the machine. : Go to "Mounting the Mowing Head" or "Mounting Metal Cutting Tools". ...
Instruction Manual
Page 39
...a long period of full-throttle operation, allow engine to run at idle speed so that it snaps into position. 355BA031 KN 38 FS 80, FS 80 R, FS 85, FS 85 R warm soapy water) and then dry. : Fit new felt element. If there is a noticeable loss of engine power : ... Dirty air filters reduce engine power increase fuel consumption and make starting more difficult. Store the machine in period. Drain the fuel tank. Replace damaged parts! : Install the foam element (3) in the filter cover (2). : Place felt element (4) (lettering facing inward) in filter housing (5). : Fit filter...
...a long period of full-throttle operation, allow engine to run at idle speed so that it snaps into position. 355BA031 KN 38 FS 80, FS 80 R, FS 85, FS 85 R warm soapy water) and then dry. : Fit new felt element. If there is a noticeable loss of engine power : ... Dirty air filters reduce engine power increase fuel consumption and make starting more difficult. Store the machine in period. Drain the fuel tank. Replace damaged parts! : Install the foam element (3) in the filter cover (2). : Place felt element (4) (lettering facing inward) in filter housing (5). : Fit filter...
Instruction Manual
Page 42
...arresting screen. 392BA035 KN 000BA002 KN Wrong fuel mix (too much oil in fuel mix. : Dirty air filter. : Unfavorable running conditions (mostly at part throttle etc.) affect the condition of the spark plug. operating at idling speed, first check the spark plug. : Remove spark plug - Fit a ..."Guide to form on the insulator nose which have caused fouling of the approved range. These factors cause deposits to Using this Manual" FS 80, FS 80 R, FS 85, FS 85 R 41 Spark Arresting Screen* in Muffler Checking the Spark Plug English / USA If the engine is low on power, check the spark...
...arresting screen. 392BA035 KN 000BA002 KN Wrong fuel mix (too much oil in fuel mix. : Dirty air filter. : Unfavorable running conditions (mostly at part throttle etc.) affect the condition of the spark plug. operating at idling speed, first check the spark plug. : Remove spark plug - Fit a ..."Guide to form on the insulator nose which have caused fouling of the approved range. These factors cause deposits to Using this Manual" FS 80, FS 80 R, FS 85, FS 85 R 41 Spark Arresting Screen* in Muffler Checking the Spark Plug English / USA If the engine is low on power, check the spark...
Instruction Manual
Page 45
.... see "Special Accessories". 8 : Slide the rotor onto the starter post - see "Special Accessories". : Go to "Fitting the Starter Cover". 44 FS 80, FS 80 R, FS 85, FS 85 R English / USA 392BA044 KN : Carefully remove the parts of the old spring from the starter cover and rope rotor. : Insert the new rewind spring in the rope rotor and...
.... see "Special Accessories". 8 : Slide the rotor onto the starter post - see "Special Accessories". : Go to "Fitting the Starter Cover". 44 FS 80, FS 80 R, FS 85, FS 85 R English / USA 392BA044 KN : Carefully remove the parts of the old spring from the starter cover and rope rotor. : Insert the new rewind spring in the rope rotor and...
Instruction Manual
Page 46
...serious wear or nicks: Resharpen with local environmental requirements. : Run engine until carburetor is dry - FS 80, FS 80 R, FS 85, FS 85 R 45 line up the tank (3)and push the lower part of the file are usually enough. Storing the Machine English / USA Sharpening Metal Cutting Tools Fitting... the Starter Cover 14 2 1 1 3 For periods of about 5 times, have work done by STIHL dealer. : Resharpen ...
...serious wear or nicks: Resharpen with local environmental requirements. : Run engine until carburetor is dry - FS 80, FS 80 R, FS 85, FS 85 R 45 line up the tank (3)and push the lower part of the file are usually enough. Storing the Machine English / USA Sharpening Metal Cutting Tools Fitting... the Starter Cover 14 2 1 1 3 For periods of about 5 times, have work done by STIHL dealer. : Resharpen ...
Instruction Manual
Page 50
Parts and Controls Part 1 9 1 8 2 10 3 4 7 5 11 6 15 20 14 13 13 # 16 12 17 19 20 18 14 9 10 8 393BA043 KN English / USA 1 Fuel pump 2 Choke lever 3 Carburetor adjusting ... boot 16 Air filter cover 17 Machine support 18 Barrier bar, not in all versions, market-specific 19 Loop handle 20 Drive tube # Serial number FS 80, FS 80 R, FS 85, FS 85 R 49
Parts and Controls Part 1 9 1 8 2 10 3 4 7 5 11 6 15 20 14 13 13 # 16 12 17 19 20 18 14 9 10 8 393BA043 KN English / USA 1 Fuel pump 2 Choke lever 3 Carburetor adjusting ... boot 16 Air filter cover 17 Machine support 18 Barrier bar, not in all versions, market-specific 19 Loop handle 20 Drive tube # Serial number FS 80, FS 80 R, FS 85, FS 85 R 49
Instruction Manual
Page 54
... (. Other repair work may appear alone on small parts. Original STlHL parts can be identified by the STlHL part number, the STIHl logo and, in this unit should carry out only the maintenance operations described in some cases, by authorized STIHL service shops. FS 80, FS 80 R, FS 85, FS 85 R English / USA 53 Warranty claims following repairs can be accepted...
... (. Other repair work may appear alone on small parts. Original STlHL parts can be identified by the STlHL part number, the STIHl logo and, in this unit should carry out only the maintenance operations described in some cases, by authorized STIHL service shops. FS 80, FS 80 R, FS 85, FS 85 R English / USA 53 Warranty claims following repairs can be accepted...
Instruction Manual
Page 55
...Your emission control system includes parts such as a problem exists. Where a warrantable condition exists, STIHL Incorporated will be aware, however, that STIHL Incorporated may deny you have any emissionrelated part on the date the utility equipment engine is defective, the part will be used in a... your small off -road equipment engine at the time of your failure to STIHL. 54 FS 80, FS 80 R, FS 85, FS 85 R Box 2015, Virginia Beach, VA 23450-2015. Coverage by STIHL Incorporated STIHL Incorporated warrants to conform with applicable regulations for the period of two years.
...Your emission control system includes parts such as a problem exists. Where a warrantable condition exists, STIHL Incorporated will be aware, however, that STIHL Incorporated may deny you have any emissionrelated part on the date the utility equipment engine is defective, the part will be used in a... your small off -road equipment engine at the time of your failure to STIHL. 54 FS 80, FS 80 R, FS 85, FS 85 R Box 2015, Virginia Beach, VA 23450-2015. Coverage by STIHL Incorporated STIHL Incorporated warrants to conform with applicable regulations for the period of two years.
Instruction Manual
Page 56
... of fuel and oil may be performed at any authorized STIHL servicing dealer and present the signed warranty card. FS 80, FS 80 R, FS 85, FS 85 R 55 Warranty Work STIHL Incorporated shall remedy warranty defects at any of the following list specifically defines the emission-related warranted parts: Carburetor Choke (Cold start enrichment system) Intake manifold Air filter...
... of fuel and oil may be performed at any authorized STIHL servicing dealer and present the signed warranty card. FS 80, FS 80 R, FS 85, FS 85 R 55 Warranty Work STIHL Incorporated shall remedy warranty defects at any of the following list specifically defines the emission-related warranted parts: Carburetor Choke (Cold start enrichment system) Intake manifold Air filter...