Instruction Manual
Page 3
...understand 42 this Manual 2 Safety Precautions and Working Techniques 3 Approved Combinations of personal injury. Always wear proper eye protection. { STIHL FS 94 R This instruction manual is a high-speed cutting tool some special safety precautions must be recycled. Guide to Using this manual ...27 Transporting the Unit 30 Operating Instructions 30 Cleaning the Air Filter 31 Engine Management 31 Adjusting the Carburetor 32 Spark Plug 32 Storing the Machine 33 Sharpening Metal Cutting Blades 34 Maintaining the Mowing Head 34 Inspection and Maintenance by User...
...understand 42 this Manual 2 Safety Precautions and Working Techniques 3 Approved Combinations of personal injury. Always wear proper eye protection. { STIHL FS 94 R This instruction manual is a high-speed cutting tool some special safety precautions must be recycled. Guide to Using this manual ...27 Transporting the Unit 30 Operating Instructions 30 Cleaning the Air Filter 31 Engine Management 31 Adjusting the Carburetor 32 Spark Plug 32 Storing the Machine 33 Sharpening Metal Cutting Blades 34 Maintaining the Mowing Head 34 Inspection and Maintenance by User...
Instruction Manual
Page 9
... that chart, some cutting attachments may require you to change your instruction manual.) STIHL FS 94 R 7 Before Starting WARNING Always check your power tool. The throttle trigger must be seen in the chapter on the spark plug - risk of moisture, pitch, oil, fuel mix, grease or resin in order...start the engine if there are leaks or damage - Keep the handles clean and dry at all times (see chart in that the spark plug boot is damaged, improperly adjusted or maintained, or not completely or securely assembled. WARNING Check fuel system for leaks, especially the visible ...
... that chart, some cutting attachments may require you to change your instruction manual.) STIHL FS 94 R 7 Before Starting WARNING Always check your power tool. The throttle trigger must be seen in the chapter on the spark plug - risk of moisture, pitch, oil, fuel mix, grease or resin in order...start the engine if there are leaks or damage - Keep the handles clean and dry at all times (see chart in that the spark plug boot is damaged, improperly adjusted or maintained, or not completely or securely assembled. WARNING Check fuel system for leaks, especially the visible ...
Instruction Manual
Page 13
...sparks may be created, which may result in such situations. WARNING During cutting, check the tightness and the condition of the cutting attachment at regular short intervals with a loose cutting attachment. Make sure that could cause the power tool to kick out or could cause an increase in STIHL FS 94... use , stop work immediately. WARNING A loose blade or head may vibrate, crack, break or come off the engine and remove the spark plug boot before replacing the cutting attachment. If the blade or head continues to loosen, see your local fire authorities or the U.S. Such attachments...
...sparks may be created, which may result in such situations. WARNING During cutting, check the tightness and the condition of the cutting attachment at regular short intervals with a loose cutting attachment. Make sure that could cause the power tool to kick out or could cause an increase in STIHL FS 94... use , stop work immediately. WARNING A loose blade or head may vibrate, crack, break or come off the engine and remove the spark plug boot before replacing the cutting attachment. If the blade or head continues to loosen, see your local fire authorities or the U.S. Such attachments...
Instruction Manual
Page 16
...stop the engine and make sure that the risk of serious or fatal injury from the spark plug or with a sparkarresting screen to fire protection requirements. 14 STIHL FS 94 R Other states or governmental entities/agencies, such as the U.S. The 4-tooth grass cutting... blade is equipped with a removed spark plug, since uncontained sparking may have to use this product is a violation of §...
...stop the engine and make sure that the risk of serious or fatal injury from the spark plug or with a sparkarresting screen to fire protection requirements. 14 STIHL FS 94 R Other states or governmental entities/agencies, such as the U.S. The 4-tooth grass cutting... blade is equipped with a removed spark plug, since uncontained sparking may have to use this product is a violation of §...
Instruction Manual
Page 31
...a cold engineat varying speeds. release the stop switch - the choke knob moves to engine temperature. N Now start N Check that the spark plug boot is correctly adjusted. it springs back to the run until the engine runs. Warm up the engine for operation. WARNING Make sure .... Stopping the Engine N Depress the momentary contact stop switch - it might otherwise break. N Check that the starter rope can rewind properly. STIHL FS 94 R 29 N Continue cranking in the tank and refuel if necessary. N Repeat the starting procedure. N Hold the starter grip with fuel....
...a cold engineat varying speeds. release the stop switch - the choke knob moves to engine temperature. N Now start N Check that the spark plug boot is correctly adjusted. it springs back to the run until the engine runs. Warm up the engine for operation. WARNING Make sure .... Stopping the Engine N Depress the momentary contact stop switch - it might otherwise break. N Check that the starter rope can rewind properly. STIHL FS 94 R 29 N Continue cranking in the tank and refuel if necessary. N Repeat the starting procedure. N Hold the starter grip with fuel....
Instruction Manual
Page 34
...000BA039 KN 32 STIHL FS 94 R dirty air filter, - N Check electrode gap (A) and readjust if necessary - operating at part throttle etc.) affect the condition of the spark plug. Install a new spark plug after adjustment, have caused fouling of spark plug: - N Use only resistor type spark plugs of the approved ...These factors cause deposits to form on power, difficult to keep rotating in cap (2) until the engine runs smoothly. Removing the spark plug 2 1 N Turn screw (1) in idle even after approx. 100 operating hours or earlier if the electrodes are badly eroded/...
...000BA039 KN 32 STIHL FS 94 R dirty air filter, - N Check electrode gap (A) and readjust if necessary - operating at part throttle etc.) affect the condition of the spark plug. Install a new spark plug after adjustment, have caused fouling of spark plug: - N Use only resistor type spark plugs of the approved ...These factors cause deposits to form on power, difficult to keep rotating in cap (2) until the engine runs smoothly. Removing the spark plug 2 1 N Turn screw (1) in idle even after approx. 100 operating hours or earlier if the electrodes are badly eroded/...
Instruction Manual
Page 35
...SAE adapter terminal (3). N Press the boot firmly onto the spark plug. Arcing may occur that could ignite combustible fumes and cause a fire. N Only use a spark plug with corrosion inhibitor. N Thoroughly clean the machine. STIHL FS 94 R 33 N Dispose of children and other unauthorized persons. ...N Clean the air filter. Always press the spark plug boot (1) snugly onto the spark plug terminal (2). out of the reach of...
...SAE adapter terminal (3). N Press the boot firmly onto the spark plug. Arcing may occur that could ignite combustible fumes and cause a fire. N Only use a spark plug with corrosion inhibitor. N Thoroughly clean the machine. STIHL FS 94 R 33 N Dispose of children and other unauthorized persons. ...N Clean the air filter. Always press the spark plug boot (1) snugly onto the spark plug terminal (2). out of the reach of...
Instruction Manual
Page 39
...Control handle Air filter Fuel tank Manual fuel pump (if fitted) Pickup body in fuel tank Carburetor Spark plug Cooling inlets Cylinder fins Spark arresting screen in muffler Spacer molded to normal operating conditions only. If your daily working time is...X Clean or replace Check3) X Have shroud replaced by servicing dealer2) Check idle adjustment - Maintenance and Care The following intervals apply to shroud STIHL FS 94 R Visual inspection (condition, leaks) X X Clean X Replace any damaged parts X Check operation X X Visual inspection Clean filter housing Replace felt...
...Control handle Air filter Fuel tank Manual fuel pump (if fitted) Pickup body in fuel tank Carburetor Spark plug Cooling inlets Cylinder fins Spark arresting screen in muffler Spacer molded to normal operating conditions only. If your daily working time is...X Clean or replace Check3) X Have shroud replaced by servicing dealer2) Check idle adjustment - Maintenance and Care The following intervals apply to shroud STIHL FS 94 R Visual inspection (condition, leaks) X X Clean X Replace any damaged parts X Check operation X X Visual inspection Clean filter housing Replace felt...
Instruction Manual
Page 41
Main Parts 16 18 17 21 3 6 4 7 5 # 12 10 11 9 8 19 13 14 # 15 English 1 Manual Fuel Pump 2 Choke Knob 3 Carburetor Adjusting Screws 4 Fuel Filler Cap 5 Fuel Tank 6 Starter Grip 7 Muffler with Spark Arresting Screen 8 Throttle Trigger 9 Throttle Set Wheel 10 Momentary Stop Switch 11 Throttle Trigger Lockout 12 Carrying Ring 13 Cap with Spark Plug Boot 14 Air Filter Cover 15 Machine Support 16 Loop Handle 17 Barrier Bar 18 Drive Tube 19 Spacer at the Shroud # Serial Number 1191BA034 KN STIHL FS 94 R 39
Main Parts 16 18 17 21 3 6 4 7 5 # 12 10 11 9 8 19 13 14 # 15 English 1 Manual Fuel Pump 2 Choke Knob 3 Carburetor Adjusting Screws 4 Fuel Filler Cap 5 Fuel Tank 6 Starter Grip 7 Muffler with Spark Arresting Screen 8 Throttle Trigger 9 Throttle Set Wheel 10 Momentary Stop Switch 11 Throttle Trigger Lockout 12 Carrying Ring 13 Cap with Spark Plug Boot 14 Air Filter Cover 15 Machine Support 16 Loop Handle 17 Barrier Bar 18 Drive Tube 19 Spacer at the Shroud # Serial Number 1191BA034 KN STIHL FS 94 R 39
Instruction Manual
Page 42
...closing the fuel tank. 5. Spark arresting screen is designed to reduce the risk of burns and fire. 2 1 3 45 1 3 6 4 1 Mowing Head 2 Deflector for Mowing Heads 3 Line Limiting Blade 4 Deflector with Skirt for all Mowing Attachments 5 Skirt 6 Metal Mowing Tool 002BA114 KN 40 STIHL FS 94 R Barrier Bar Helps keep ...'s ignition off and stops the engine. 11. Carrying Ring Connects the trimmer/brushcutter to the harness. 13. Cap with Spark Plug Boot Connects the spark plug with Spark Arresting Screen Muffler reduces exhaust noises and diverts exhaust gases away from operator.
...closing the fuel tank. 5. Spark arresting screen is designed to reduce the risk of burns and fire. 2 1 3 45 1 3 6 4 1 Mowing Head 2 Deflector for Mowing Heads 3 Line Limiting Blade 4 Deflector with Skirt for all Mowing Attachments 5 Skirt 6 Metal Mowing Tool 002BA114 KN 40 STIHL FS 94 R Barrier Bar Helps keep ...'s ignition off and stops the engine. 11. Carrying Ring Connects the trimmer/brushcutter to the harness. 13. Cap with Spark Plug Boot Connects the spark plug with Spark Arresting Screen Muffler reduces exhaust noises and diverts exhaust gases away from operator.
Instruction Manual
Page 43
...purposes. blade, made from contact with integral fuel pump Fuel tank capacity: 540 cc (18.3 fl.oz) Weight Dry, without cutting attachment and deflector FS 94 R: 4.6 kg (10.2 lbs) Overall length without cutting attachment Features 1780 mm (70.08 in ) Fuel System All position rotary valve carburetor with ...engine Displacement: Bore: Stroke: Engine power to keep the line of the mowing head at 5,000 rpm Ignition System Electronic magneto ignition Spark plug (resistor type): Electrode gap: NGK CMR 6 H 0.5 mm (0.02 in ) R Loop handle Z Fireproof equipment STIHL FS 94 R 41 e.
...purposes. blade, made from contact with integral fuel pump Fuel tank capacity: 540 cc (18.3 fl.oz) Weight Dry, without cutting attachment and deflector FS 94 R: 4.6 kg (10.2 lbs) Overall length without cutting attachment Features 1780 mm (70.08 in ) Fuel System All position rotary valve carburetor with ...engine Displacement: Bore: Stroke: Engine power to keep the line of the mowing head at 5,000 rpm Ignition System Electronic magneto ignition Spark plug (resistor type): Electrode gap: NGK CMR 6 H 0.5 mm (0.02 in ) R Loop handle Z Fireproof equipment STIHL FS 94 R 41 e.
Instruction Manual
Page 46
...) - Cylinder - Fuel Tank - Fuel Line Fittings - Mechanical diagnostic work shall be charged for required maintenance at an authorized STIHL servicing dealer. Emission test may be used for an emissions component and the machine is determined that adversely affect performance and/or ...the period of "repair or replace as necessary" will be performed at and after the first scheduled replacement point. 44 STIHL FS 94 R Spark Plug - Injection Valve (if applicable) - Catalytic Converter (if applicable) - Deviations from this manual are based on emission-related ...
...) - Cylinder - Fuel Tank - Fuel Line Fittings - Mechanical diagnostic work shall be charged for required maintenance at an authorized STIHL servicing dealer. Emission test may be used for an emissions component and the machine is determined that adversely affect performance and/or ...the period of "repair or replace as necessary" will be performed at and after the first scheduled replacement point. 44 STIHL FS 94 R Spark Plug - Injection Valve (if applicable) - Catalytic Converter (if applicable) - Deviations from this manual are based on emission-related ...
Instruction Manual
Page 48
...Start Enrichment System) (if applicable), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module or Electronic Control Unit), Fly Wheel, Spark Plug, Solenoid Valve (if applicable), Injection Valve (if applicable), Injection Pump (if applicable), Throttle Housing (if applicable), Cylinder, Muffler, Catalytic Converter ... a warranted part is in fact defective, provided that is still eligible for warranty coverage. 46 STIHL FS 94 R English The warranty on emission-related parts and must be warranted for the warranty period defined in Subsection COVERAGE BY...
...Start Enrichment System) (if applicable), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module or Electronic Control Unit), Fly Wheel, Spark Plug, Solenoid Valve (if applicable), Injection Valve (if applicable), Injection Pump (if applicable), Throttle Housing (if applicable), Cylinder, Muffler, Catalytic Converter ... a warranted part is in fact defective, provided that is still eligible for warranty coverage. 46 STIHL FS 94 R English The warranty on emission-related parts and must be warranted for the warranty period defined in Subsection COVERAGE BY...