Product Instruction Manual
Page 3
... 44 Main Parts 46 Specifications Special Accessories Maintenance and Repairs STIHL Incorporated Federal Emission Control Warranty Statement STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement Trademarks { FS 90, FS 90 R English 48 Allow only persons who fully understand 49 this manual to operate your trimmer / brushcutter. 49 To receive maximum performance and satisfaction from your...
... 44 Main Parts 46 Specifications Special Accessories Maintenance and Repairs STIHL Incorporated Federal Emission Control Warranty Statement STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement Trademarks { FS 90, FS 90 R English 48 Allow only persons who fully understand 49 this manual to operate your trimmer / brushcutter. 49 To receive maximum performance and satisfaction from your...
Product Instruction Manual
Page 5
... injury or property damage, including damage to the machine. Minors should not be hazardous. Safety Precautions and Working Techniques Because a trimmer / brushcutter is a highspeed, fast-cutting power tool sometimes equipped with sharp cutting blades, special safety precautions must be allowed to... that you are specifically authorized by ricochet in serious or fatal injury to the operator or bystanders. STIHL does not recommend the use . Warning! FS 90, FS 90 R 3 A "brushcutter" designates a unit equipped with a loop handle. As more fully explained later in use of personal ...
... injury or property damage, including damage to the machine. Minors should not be hazardous. Safety Precautions and Working Techniques Because a trimmer / brushcutter is a highspeed, fast-cutting power tool sometimes equipped with sharp cutting blades, special safety precautions must be allowed to... that you are specifically authorized by ricochet in serious or fatal injury to the operator or bystanders. STIHL does not recommend the use . Warning! FS 90, FS 90 R 3 A "brushcutter" designates a unit equipped with a loop handle. As more fully explained later in use of personal ...
Product Instruction Manual
Page 6
... reduce the hand's ability to vibration are fatigued. Keep the AV system well maintained. Warning! Be alert - Maintain a firm grip at all STIHL trimmers / brushcutters. Take frequent breaks. To reduce the risk of your instruction manual for those persons using power tools on a regular or sustained basis.... well as factors in use of the power tool. To reduce the risk of whitefinger disease. Do not operate this tool. 4 FS 90, FS 90 R Warning! All factors which might be aggravated by the machine to the operator's hands. An AV system is not in the ...
... reduce the hand's ability to vibration are fatigued. Keep the AV system well maintained. Warning! Be alert - Maintain a firm grip at all STIHL trimmers / brushcutters. Take frequent breaks. To reduce the risk of your instruction manual for those persons using power tools on a regular or sustained basis.... well as factors in use of the power tool. To reduce the risk of whitefinger disease. Do not operate this tool. 4 FS 90, FS 90 R Warning! All factors which might be aggravated by the machine to the operator's hands. An AV system is not in the ...
Product Instruction Manual
Page 8
... the weather conditions and the tank venting system. Fuel Your STIHL power tool uses an oilgasoline mixture for fuel (see the chapter on your instruction manual). Do not smoke or bring any spilled fuel before putting a trimmer / brushcutter down. In order to reduce the risk of your... during operation. Warning! When transporting it can cause fire and serious burn injury or property damage. Toolless cap with the raised positioning 6 FS 90, FS 90 R In order to reduce the risk of fuel spillage and fire from escaping gas vapor and fumes, remove the fuel filler cap on ...
... the weather conditions and the tank venting system. Fuel Your STIHL power tool uses an oilgasoline mixture for fuel (see the chapter on your instruction manual). Do not smoke or bring any spilled fuel before putting a trimmer / brushcutter down. In order to reduce the risk of your... during operation. Warning! When transporting it can cause fire and serious burn injury or property damage. Toolless cap with the raised positioning 6 FS 90, FS 90 R In order to reduce the risk of fuel spillage and fire from escaping gas vapor and fumes, remove the fuel filler cap on ...
Product Instruction Manual
Page 11
...Adjustments Warning! To reduce the risk of injury from loss of control, do not attempt to have your STIHL dealer check your power tool and make proper adjustments and repairs. If you pull the starter grip, do ... Holding and Controlling the Power Tool Always hold the unit firmly with incorrect idle adjustment. Make sure your trimmer handles and grips are working. With the engine running cutting attachment, do not wrap the starter rope around..., pitch, oil, fuel mix or grease. 002BA054 KN 002BA055 KN FS 90, FS 90 R 9 For directions on the handles while you and all times.
...Adjustments Warning! To reduce the risk of injury from loss of control, do not attempt to have your STIHL dealer check your power tool and make proper adjustments and repairs. If you pull the starter grip, do ... Holding and Controlling the Power Tool Always hold the unit firmly with incorrect idle adjustment. Make sure your trimmer handles and grips are working. With the engine running cutting attachment, do not wrap the starter rope around..., pitch, oil, fuel mix or grease. 002BA054 KN 002BA055 KN FS 90, FS 90 R 9 For directions on the handles while you and all times.
Product Instruction Manual
Page 13
...ensure that the cutting attachment is normally to be used at least 50 feet (15 m) away. FS 90, FS 90 R 11 Warning! A loose blade or head may vibrate, crack, break or come off the trimmer / brushcutter, which may shatter at regular short intervals with a loose cutting attachment. If the blade ...cause the power tool to kick out or could throw objects of injury, since the cutting attachment is released (flywheel effect). STIHL recommends use your STIHL dealer. Never use of the cutting attachment at high speed and cause serious or fatal injury. Warning! Warning! If the ...
...ensure that the cutting attachment is normally to be used at least 50 feet (15 m) away. FS 90, FS 90 R 11 Warning! A loose blade or head may vibrate, crack, break or come off the trimmer / brushcutter, which may shatter at regular short intervals with a loose cutting attachment. If the blade ...cause the power tool to kick out or could throw objects of injury, since the cutting attachment is released (flywheel effect). STIHL recommends use your STIHL dealer. Never use of the cutting attachment at high speed and cause serious or fatal injury. Warning! Warning! If the ...
Product Instruction Manual
Page 15
...moldings (1) on trimmers / brushcutters equipped with less risk of the head or blades, the PolyCut must not be thrown at high speed toward the operator or bystanders. FS 90, FS 90 R 13 Such damage could, among other material in order to its operating speed. STIHL SuperCut mowing ...! Install a new mowing head. With a properly mounted deflector, the built-in overheating and damage to use a nylon line head. STIHL AutoCut mowing head Nylon cutting line advances automatically when tapped against the ground (TapAction). see "Main Parts" chapter in injury to rotate ...
...moldings (1) on trimmers / brushcutters equipped with less risk of the head or blades, the PolyCut must not be thrown at high speed toward the operator or bystanders. FS 90, FS 90 R 13 Such damage could, among other material in order to its operating speed. STIHL SuperCut mowing ...! Install a new mowing head. With a properly mounted deflector, the built-in overheating and damage to use a nylon line head. STIHL AutoCut mowing head Nylon cutting line advances automatically when tapped against the ground (TapAction). see "Main Parts" chapter in injury to rotate ...
Product Instruction Manual
Page 17
... use the left side of damage. This may cause damage to a diameter of kickout (blade thrust) with a damaged brush knife. STIHL recommends that the FS 90, FS 90 R 15 Using the Circular Saw Blade English standard deflector be applied to cut with stones, rocks or the ground. This will keep ...or jerk the power tool forward. Do not continue working with all contact with uniform pressure. dull teeth may cause damage to keep the trimmer / brushcutter against the tree during the cutting operation and will crack and / or break, avoid all rigid cutting blades"). Use a ...
... use the left side of damage. This may cause damage to a diameter of kickout (blade thrust) with a damaged brush knife. STIHL recommends that the FS 90, FS 90 R 15 Using the Circular Saw Blade English standard deflector be applied to cut with stones, rocks or the ground. This will keep ...or jerk the power tool forward. Do not continue working with all contact with uniform pressure. dull teeth may cause damage to keep the trimmer / brushcutter against the tree during the cutting operation and will crack and / or break, avoid all rigid cutting blades"). Use a ...
Product Instruction Manual
Page 18
...in good condition. Wear gloves when handling or performing maintenance on one with specialized training in serious or fatal injuries. 16 FS 90, FS 90 R Never test the ignition system with the spark plug boot removed from thrown objects or operator contact with the blade or...has a detachable SAE adapter nut, it and the ignition lead are always clean and in the appropriate sections of the trimmer / brushcutter. Do not operate your STIHL servicing dealer only. Warning! Warning! Warning! Special techniques using a circular saw blade. 002BA068 KN MAINTENANCE, REPAIR AND ...
...in good condition. Wear gloves when handling or performing maintenance on one with specialized training in serious or fatal injuries. 16 FS 90, FS 90 R Never test the ignition system with the spark plug boot removed from thrown objects or operator contact with the blade or...has a detachable SAE adapter nut, it and the ignition lead are always clean and in the appropriate sections of the trimmer / brushcutter. Do not operate your STIHL servicing dealer only. Warning! Warning! Warning! Special techniques using a circular saw blade. 002BA068 KN MAINTENANCE, REPAIR AND ...
Product Instruction Manual
Page 22
FS 90, FS 90 R Removing the clamps FCS BF KB KW 20 228BA047 KN N ...unscrewed, the parts are loose and are pressed apart by the two springs (4, 5)! English Approved Power Tool Attachments The following STIHL interchangeable attachments may be mounted on the basic machine: FH HT Interchangeable attachment BF 1) FCS 2) 3) FH 1) HL ...2) HL 135° 1) 2) HT 2) KB (4601) 2) KW (4601) 2) Use Soil cultivator Edger Scrub cutter Hedge trimmer Hedge trimmer Pole pruner Bristle brush Sweeper drum assembly 1) stop (barrier bar) on loop handle is required 2) not approved for machines with ...
FS 90, FS 90 R Removing the clamps FCS BF KB KW 20 228BA047 KN N ...unscrewed, the parts are loose and are pressed apart by the two springs (4, 5)! English Approved Power Tool Attachments The following STIHL interchangeable attachments may be mounted on the basic machine: FH HT Interchangeable attachment BF 1) FCS 2) 3) FH 1) HL ...2) HL 135° 1) 2) HT 2) KB (4601) 2) KW (4601) 2) Use Soil cultivator Edger Scrub cutter Hedge trimmer Hedge trimmer Pole pruner Bristle brush Sweeper drum assembly 1) stop (barrier bar) on loop handle is required 2) not approved for machines with ...
Product Instruction Manual
Page 34
... N Put on the cutting attachment mounted. N Balance the trimmer/brushcutter. Until the conditions listed under "Hanging positions" are met, carry out the following steps: N Move carrying ring N Tighten screw lightly N Let the machine swing until it stops moving N Check hanging position 32 FS 90, FS 90 R The type and version of the strap so that...
... N Put on the cutting attachment mounted. N Balance the trimmer/brushcutter. Until the conditions listed under "Hanging positions" are met, carry out the following steps: N Move carrying ring N Tighten screw lightly N Let the machine swing until it stops moving N Check hanging position 32 FS 90, FS 90 R The type and version of the strap so that...
Product Instruction Manual
Page 49
... depressed before the throttle trigger can be activated. 10 Throttle Cable Retainer Secures the throttle cable to the drive tube. 11 Carrying Ring Connects the trimmer/brushcutter to reduce the risk of fire. 6 Bike Handle For easy control of the machine with both hands during cutting work . 7 Throttle Trigger Controls the... of the pull starter, for starting throttle, run and stop. English 2 1 3 45 1 3 6 4 1 Mowing Head 2 Deflector for all Mowing Attachments 5 Skirt 6 Metal Mowing Tool 002BA114 KN FS 90, FS 90 R 47
... depressed before the throttle trigger can be activated. 10 Throttle Cable Retainer Secures the throttle cable to the drive tube. 11 Carrying Ring Connects the trimmer/brushcutter to reduce the risk of fire. 6 Bike Handle For easy control of the machine with both hands during cutting work . 7 Throttle Trigger Controls the... of the pull starter, for starting throttle, run and stop. English 2 1 3 45 1 3 6 4 1 Mowing Head 2 Deflector for all Mowing Attachments 5 Skirt 6 Metal Mowing Tool 002BA114 KN FS 90, FS 90 R 47
