Instruction Manual
Page 10
If the engine does not fire after 10 pulls in the cold start position g, place the Choke Lever to the cold start position to 30 times - even if the bulb is already filled with fuel - If the manual fuel pump bulb will not be filled, place the Choke Lever to the warm start position < and start the engine in the warm start position g and pull the starter cord until the engine runs. Then start the power tool. Press the manual fuel pump bulb at least 20 to clear the vapor and send liquid fuel into the carburetor. For specific starting instructions, see the appropriate section of...
If the engine does not fire after 10 pulls in the cold start position g, place the Choke Lever to the cold start position to 30 times - even if the bulb is already filled with fuel - If the manual fuel pump bulb will not be filled, place the Choke Lever to the warm start position < and start the engine in the warm start position g and pull the starter cord until the engine runs. Then start the power tool. Press the manual fuel pump bulb at least 20 to clear the vapor and send liquid fuel into the carburetor. For specific starting instructions, see the appropriate section of...
Instruction Manual
Page 14
...do not continue work immediately. should be cleaned off the engine and make sure the cutting attachment has stopped before replacing the cutting attachment. WARNING The gearbox becomes hot during operation. To reduce risk of fire, burn injury or hearing...STIHL servicing dealer only. WARNING If the head, blade or deflector becomes clogged or stuck, always shut off the blade or from the muffler and need no service or maintenance. Grass, weeds, etc. Any modification could cause an increase in hot or dry conditions. 12 FS 40, FS 40 C, FS 50, FS 50 C Keep the area around the head...
...do not continue work immediately. should be cleaned off the engine and make sure the cutting attachment has stopped before replacing the cutting attachment. WARNING The gearbox becomes hot during operation. To reduce risk of fire, burn injury or hearing...STIHL servicing dealer only. WARNING If the head, blade or deflector becomes clogged or stuck, always shut off the blade or from the muffler and need no service or maintenance. Grass, weeds, etc. Any modification could cause an increase in hot or dry conditions. 12 FS 40, FS 40 C, FS 50, FS 50 C Keep the area around the head...
Instruction Manual
Page 15
... tree bark etc. STIHL FixCut mowing head Uses pre-cut with mowing line longer than polymer blades. With a properly mounted deflector, the built-in linelimiting blade will automatically adjust the line to important components (e.g. arrow) has worn away. FS 40, FS 40 C, FS 50, FS 50 C 13 Using the...line increases the load on the engine and reduces its proper length. Install a new mowing head. However, the polymer-bladed STIHL PolyCut produces a better cut if there are easily replaced. Pieces of wire could , among other material in place of the nylon cutting lines....
... tree bark etc. STIHL FixCut mowing head Uses pre-cut with mowing line longer than polymer blades. With a properly mounted deflector, the built-in linelimiting blade will automatically adjust the line to important components (e.g. arrow) has worn away. FS 40, FS 40 C, FS 50, FS 50 C 13 Using the...line increases the load on the engine and reduces its proper length. Install a new mowing head. However, the polymer-bladed STIHL PolyCut produces a better cut if there are easily replaced. Pieces of wire could , among other material in place of the nylon cutting lines....
Instruction Manual
Page 16
... damaged or broken heads. see right illustration above. Install a new mowing head. Do not attempt any maintenance or repair work not described in your machine with a removed spark plug, since the ignition is normally in the instruction manual. 14 FS 40, FS 40 C, FS 50, FS 50 C Tighten all nuts...that the cutting attachment is stopped before doing any maintenance or repair work or cleaning the power tool. WARNING Use only identical STIHL replacement parts for longer than a few days, always empty the fuel tank. Your muffler is equipped with a complying spark arrester ...
... damaged or broken heads. see right illustration above. Install a new mowing head. Do not attempt any maintenance or repair work not described in your machine with a removed spark plug, since the ignition is normally in the instruction manual. 14 FS 40, FS 40 C, FS 50, FS 50 C Tighten all nuts...that the cutting attachment is stopped before doing any maintenance or repair work or cleaning the power tool. WARNING Use only identical STIHL replacement parts for longer than a few days, always empty the fuel tank. Your muffler is equipped with a complying spark arrester ...
Instruction Manual
Page 30
.... N If necessary, remove the mowing head. 546BA016 KN 232BA007 KN Adjusting Nylon Line STIHL AutoCut 2 1 N Hold the rotating mowing head above the ground - about 3 months ... signs of serious wear, replace the complete mowing head. N The blade (1) on the ground N Switch off the engine before replacing the nylon line. N...Head Placing power tool on the deflector (2) trims surplus line to the cylinder fins and air filter. The nylon mowing line is dry - WARNING If there are signs of wear before adjusting the nylon mowing line by hand. 28 FS 40, FS 40 C, FS 50, FS 50...
.... N If necessary, remove the mowing head. 546BA016 KN 232BA007 KN Adjusting Nylon Line STIHL AutoCut 2 1 N Hold the rotating mowing head above the ground - about 3 months ... signs of serious wear, replace the complete mowing head. N The blade (1) on the ground N Switch off the engine before replacing the nylon line. N...Head Placing power tool on the deflector (2) trims surplus line to the cylinder fins and air filter. The nylon mowing line is dry - WARNING If there are signs of wear before adjusting the nylon mowing line by hand. 28 FS 40, FS 40 C, FS 50, FS 50...
Instruction Manual
Page 31
... in the instructions supplied. FS 40, FS 40 C, FS 50, FS 50 C 29 All other mowing heads Refer to the leaflet supplied with an audible click. N Pull the spool (2) out of injury, always shut off the engine before adjusting the nylon mowing line by hand. see "Mounting the Mowing Head". STIHL AutoCut C 5-2 1 2... the mowing head 4 2 Schnur/LINE 1 N Fit the empty spool in position with the mowing head. N Press down the cap on the spool as far as described in the head is empty, refill with nylon line. N Turn the machine over. Replacing Nylon Line STIHL DuroCut WARNING...
... in the instructions supplied. FS 40, FS 40 C, FS 50, FS 50 C 29 All other mowing heads Refer to the leaflet supplied with an audible click. N Pull the spool (2) out of injury, always shut off the engine before adjusting the nylon mowing line by hand. see "Mounting the Mowing Head". STIHL AutoCut C 5-2 1 2... the mowing head 4 2 Schnur/LINE 1 N Fit the empty spool in position with the mowing head. N Press down the cap on the spool as far as described in the head is empty, refill with nylon line. N Turn the machine over. Replacing Nylon Line STIHL DuroCut WARNING...
Instruction Manual
Page 33
... (3) in the holes (4) in the spool. N Bend the ends of the lines over the edge of the holes to the spool - Assembling the mowing head NOTICE Check that it snaps into position. 3 4 3 5 5 English 2 6 7 681BA009 KN 681BA010 KN 681BA011 KN 6 N Use green-coded nylon line... (see "Mounting the Mowing Head"). N Pull out the ends of the lines in ). The nylon lines must disengage from the reel (special accessory). Replacing Cutting Blades STIHL PolyCut Always check the mowing head for signs of nylon line from the notches (5) as stop. FS 40, FS 40 C, FS 50, FS 50 C 31 N Cut two...
... (3) in the holes (4) in the spool. N Bend the ends of the lines over the edge of the holes to the spool - Assembling the mowing head NOTICE Check that it snaps into position. 3 4 3 5 5 English 2 6 7 681BA009 KN 681BA010 KN 681BA011 KN 6 N Use green-coded nylon line... (see "Mounting the Mowing Head"). N Pull out the ends of the lines in ). The nylon lines must disengage from the reel (special accessory). Replacing Cutting Blades STIHL PolyCut Always check the mowing head for signs of nylon line from the notches (5) as stop. FS 40, FS 40 C, FS 50, FS 50 C 31 N Cut two...
Instruction Manual
Page 34
...spark arresting screen. N If the engine is down on the machine. The mowing head is supplied with the spark arresting screen damaged. Keep the instructions for replacing the blades. N Replace blades as shown in the muffler. N If the muffler plugs are in place before... certain operations may only be carried out only by authorized STIHL dealers. 32 FS 40, FS 40 C, FS 50, FS 50 C N Mount the mowing head on power, check the spark arresting screen in the illustrated instructions. N Remove the mowing head. The thermoplastic cutting blades are signs of injury, always shut...
...spark arresting screen. N If the engine is down on the machine. The mowing head is supplied with the spark arresting screen damaged. Keep the instructions for replacing the blades. N Replace blades as shown in the muffler. N If the muffler plugs are in place before... certain operations may only be carried out only by authorized STIHL dealers. 32 FS 40, FS 40 C, FS 50, FS 50 C N Mount the mowing head on power, check the spark arresting screen in the illustrated instructions. N Remove the mowing head. The thermoplastic cutting blades are signs of injury, always shut...