Instruction Manual
Page 2
... the Harness 27 Balancing the Machine 28 Starting / Stopping the Engine ........ 28 Operating Instructions 30 Cleaning the Air Filter 31 Cleaning the Air Filter 31 Motor Management 32 Adjusting the Carburetor 32 Winter Operation 33 Electric Handle Heating 34 Checking the Spark Plug ....fm Printed on page 3, before using your clearing saw. Contact your STIHL dealer or the STIHL distributor for your STIHL dealer for the type of the instructions in Germany STIHl FS 300, FS 350, FS 400, FS 450, FS 480 1 Always wear proper eye protection. If the operating characteristics or ...
... the Harness 27 Balancing the Machine 28 Starting / Stopping the Engine ........ 28 Operating Instructions 30 Cleaning the Air Filter 31 Cleaning the Air Filter 31 Motor Management 32 Adjusting the Carburetor 32 Winter Operation 33 Electric Handle Heating 34 Checking the Spark Plug ....fm Printed on page 3, before using your clearing saw. Contact your STIHL dealer or the STIHL distributor for your STIHL dealer for the type of the instructions in Germany STIHl FS 300, FS 350, FS 400, FS 450, FS 480 1 Always wear proper eye protection. If the operating characteristics or ...
Instruction Manual
Page 32
replace if dirty or damaged. : Fit the air filter in the cover. : Push the filter cover into position. FS 300, FS 350, FS 400, FS 450, FS 480 31 Dirty air filters reduce engine power, increase fuel consumption and make starting more difficult. If there is a ... Pull off the filter cover (2). : Clean away loose dirt from inside the filter cover and around the filter. Cleaning the Air Filter FS 300, 350 1 : Remove the filter element (3) and inspect it - English / USA Cleaning the Air Filter FS 400, 450, 480 1 23 250BA022 KN 256BA074 KN 3 2 Dirty air filters reduce engine power,...
replace if dirty or damaged. : Fit the air filter in the cover. : Push the filter cover into position. FS 300, FS 350, FS 400, FS 450, FS 480 31 Dirty air filters reduce engine power, increase fuel consumption and make starting more difficult. If there is a ... Pull off the filter cover (2). : Clean away loose dirt from inside the filter cover and around the filter. Cleaning the Air Filter FS 300, 350 1 : Remove the filter element (3) and inspect it - English / USA Cleaning the Air Filter FS 400, 450, 480 1 23 250BA022 KN 256BA074 KN 3 2 Dirty air filters reduce engine power,...
Instruction Manual
Page 33
Standard Setting : Shut off the engine. : Mount approved cutting tool. : Check the air filter and replace if necessary. : Check adjustment of any major hardware. see "Adjusting the Throttle Cable". H 3/4 L 1 LA 255BA001 KN : Turn high speed ...FS 350, FS 400, FS 450, FS 480 English / USA Motor Management Adjusting the Carburetor Exhaust emissions are controlled by the design of the fundamental engine parameters and components (e.g. Then open it one turn ) as far as stop. : Carefully screw the low speed screw (L) down onto its seat. This setting provides an optimum fuel-air...
Standard Setting : Shut off the engine. : Mount approved cutting tool. : Check the air filter and replace if necessary. : Check adjustment of any major hardware. see "Adjusting the Throttle Cable". H 3/4 L 1 LA 255BA001 KN : Turn high speed ...FS 350, FS 400, FS 450, FS 480 English / USA Motor Management Adjusting the Carburetor Exhaust emissions are controlled by the design of the fundamental engine parameters and components (e.g. Then open it one turn ) as far as stop. : Carefully screw the low speed screw (L) down onto its seat. This setting provides an optimum fuel-air...
Instruction Manual
Page 34
... speed screw (L). : Turn the idle speed screw (LA) clockwise until the engine runs smoothly - FS 300, FS 350, FS 400, FS 450, FS 480 * see "Guide to one full turn in powdery or drifting snow. : Remove the standard air filter (1). : Install the special filter (2) for winter operation. : Push cover (3) up against the underside of the idle speed screw (LA...
... speed screw (L). : Turn the idle speed screw (LA) clockwise until the engine runs smoothly - FS 300, FS 350, FS 400, FS 450, FS 480 * see "Guide to one full turn in powdery or drifting snow. : Remove the standard air filter (1). : Install the special filter (2) for winter operation. : Push cover (3) up against the underside of the idle speed screw (LA...
Instruction Manual
Page 35
...FS 400, FS 450, FS 480 These factors cause deposits to form on handle heating (special option) : Move the switch in its place. : Push the cover (3) into the summer position (lower illustration). Checking the Spark Plug 256BA076 KN 000BA002 KN Switching on the insulator nose which may result in trouble in the gasoline), a dirty air filter... English / USA Electric Handle Heating At the end of the cold season: : Remove the special air filter (2) for winter operation and install the standard filter (1) in the left handle to Z - move switch to turn off the heating. There is ...
...FS 400, FS 450, FS 480 These factors cause deposits to form on handle heating (special option) : Move the switch in its place. : Push the cover (3) into the summer position (lower illustration). Checking the Spark Plug 256BA076 KN 000BA002 KN Switching on the insulator nose which may result in trouble in the gasoline), a dirty air filter... English / USA Electric Handle Heating At the end of the cold season: : Remove the special air filter (2) for winter operation and install the standard filter (1) in the left handle to Z - move switch to turn off the heating. There is ...
Instruction Manual
Page 36
...spark plug: : Too much oil in fuel mix. : Dirty air filter. : Unfavorable running behavior is unsatisfactory even though the air filter is down on power, difficult to start or runs poorly at part load. Have your STIHL dealer inspect the muffler for carbonization. Fit a new spark plug ...the muffler. see "Starting / Stopping the Engine". : Clean dirty spark plug. : Check electrode gap (A) and readjust if necessary - FS 300, FS 350, FS 400, FS 450, FS 480 35 Always press spark plug boot (2) snugly onto spark plug terminal (1) of the proper size. (Note: If terminal has detachable...
...spark plug: : Too much oil in fuel mix. : Dirty air filter. : Unfavorable running behavior is unsatisfactory even though the air filter is down on power, difficult to start or runs poorly at part load. Have your STIHL dealer inspect the muffler for carbonization. Fit a new spark plug ...the muffler. see "Starting / Stopping the Engine". : Clean dirty spark plug. : Check electrode gap (A) and readjust if necessary - FS 300, FS 350, FS 400, FS 450, FS 480 35 Always press spark plug boot (2) snugly onto spark plug terminal (1) of the proper size. (Note: If terminal has detachable...
Instruction Manual
Page 39
...: Use a suitable tool to the cylinder fins and air filter. : Store the machine in a dry, high or locked location - Apply tool through the openings (see arrows). For periods of children and other unauthorized persons. 38 FS 300, FS 350, FS 400, FS 450, FS 480 this process. check that outer spring loop (8) is... Install the rope rotor as described in "Replacing the Starter Rope". : Tension the rewind spring. : Fit the fan housing. 271BA038 KN 271BA039 KN FS 300, 350 9 9 : Take out the screws (9). : Remove the spring housing and parts of old spring. : Lubricate the new spring spring in...
...: Use a suitable tool to the cylinder fins and air filter. : Store the machine in a dry, high or locked location - Apply tool through the openings (see arrows). For periods of children and other unauthorized persons. 38 FS 300, FS 350, FS 400, FS 450, FS 480 this process. check that outer spring loop (8) is... Install the rope rotor as described in "Replacing the Starter Rope". : Tension the rewind spring. : Fit the fan housing. 271BA038 KN 271BA039 KN FS 300, 350 9 9 : Take out the screws (9). : Remove the spring housing and parts of old spring. : Lubricate the new spring spring in...
Instruction Manual
Page 41
... cutting conditions are difficult (very dusty work be done by servicing dealer1) 1) STIHL recommends that the following maintenance intervals apply for normal operating conditions. Complete machine Control handle Air filter Pick up body in fuel tank Fuel tank Carburetor Spark plug Cooling inlets Spark ... 100 operating hours Inspect X Clean Check Have replaced by servicing dealer1) Retighten Check X Have replaced by a STIHL servicing dealer * not in all versions, market-specific X X X X X X X X X X X X X X X X X X X X 40 FS 300, FS 350, FS 400, FS 450, FS 480
... cutting conditions are difficult (very dusty work be done by servicing dealer1) 1) STIHL recommends that the following maintenance intervals apply for normal operating conditions. Complete machine Control handle Air filter Pick up body in fuel tank Fuel tank Carburetor Spark plug Cooling inlets Spark ... 100 operating hours Inspect X Clean Check Have replaced by servicing dealer1) Retighten Check X Have replaced by a STIHL servicing dealer * not in all versions, market-specific X X X X X X X X X X X X X X X X X X X X 40 FS 300, FS 350, FS 400, FS 450, FS 480
Instruction Manual
Page 44
...activated. 6. Fuel Tank For fuel and oil mixture. 12. Guard plate For resting machine on and off to stop . FS 300, FS 350, FS 400, FS 450, FS 480 43 Slide Control For starting . 14. Spark Plug Boot Connects the spark plug to the harness. 8. Muffler Reduces ...Pump Provides additional fuel feed for different purposes. 20. Choke Knob Eases engine starting , switches the engine's ignition off . 3. Filter cover Encloses and protects the air filter. 11. Decompression Valve To ease starting throttle, run and stop the engine. 5. Fuel Filler Cap For closing the fuel tank....
...activated. 6. Fuel Tank For fuel and oil mixture. 12. Guard plate For resting machine on and off to stop . FS 300, FS 350, FS 400, FS 450, FS 480 43 Slide Control For starting . 14. Spark Plug Boot Connects the spark plug to the harness. 8. Muffler Reduces ...Pump Provides additional fuel feed for different purposes. 20. Choke Knob Eases engine starting , switches the engine's ignition off . 3. Filter cover Encloses and protects the air filter. 11. Decompression Valve To ease starting throttle, run and stop the engine. 5. Fuel Filler Cap For closing the fuel tank....
Instruction Manual
Page 45
... speed (cutting tool) FS 300, 350, 400, 400 L, 450, 450 L, 480, 480 L: 8 930 rpm FS 400 K, 450 K, 480 K: 8 750 rpm Ignition System Type electronic (breakerless) magneto ignition with integral fuel pump Air Filter Paper filter element Fuel tank capacity FS 300, 350: 1.35 US pt (0.64l) FS 400, 450, 480: 1.42...STIHL single cylinder two-stroke engine Displacement FS 300: 1.88 cu.in (30.8 cm3) FS 350: 2.45 cu.in (40.2 cm3) FS 400: 2.45 cu.in (40.2 cm3) FS 450: 2.70 cu.in (44.3 cm3) FS 480: 2.96 cu.in (48.7 cm3 Bore FS 300: 1.38 in (35 mm) FS 350: 1.57 in (40 mm) FS 400: 1.57 in (40 mm) FS...
... speed (cutting tool) FS 300, 350, 400, 400 L, 450, 450 L, 480, 480 L: 8 930 rpm FS 400 K, 450 K, 480 K: 8 750 rpm Ignition System Type electronic (breakerless) magneto ignition with integral fuel pump Air Filter Paper filter element Fuel tank capacity FS 300, 350: 1.35 US pt (0.64l) FS 400, 450, 480: 1.42...STIHL single cylinder two-stroke engine Displacement FS 300: 1.88 cu.in (30.8 cm3) FS 350: 2.45 cu.in (40.2 cm3) FS 400: 2.45 cu.in (40.2 cm3) FS 450: 2.70 cu.in (44.3 cm3) FS 480: 2.96 cu.in (48.7 cm3 Bore FS 300: 1.38 in (35 mm) FS 350: 1.57 in (40 mm) FS 400: 1.57 in (40 mm) FS...
Instruction Manual
Page 48
...performed or replacements not conforming to the effect of the emission test. FS 300, FS 350, FS 400, FS 450, FS 480 47 Any warranted part which is not scheduled for replacement as non-defective, STIHL Incorporated will be used for that a warranted part is scheduled only ...the first scheduled replacement point. 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 Spark plug Magneto or electronic ignition system...
...performed or replacements not conforming to the effect of the emission test. FS 300, FS 350, FS 400, FS 450, FS 480 47 Any warranted part which is not scheduled for replacement as non-defective, STIHL Incorporated will be used for that a warranted part is scheduled only ...the first scheduled replacement point. 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 Spark plug Magneto or electronic ignition system...