Instruction Manual
Page 3
... Operating Instructions 30 Cleaning the Air Filter 30 Engine Management 31 Adjusting the Carburetor 31 Spark Plug 31 Engine Running Behavior 32 Storing the Machine 33 Sharpening Metal Cutting Blades 33 Maintaining the Mowing Head 33 Inspections and Maintenance by copyright. Make sure your unit is protected by Dealer 35 Maintenance and Care 36 Main Parts 38 Specifications 40 Maintenance and Repairs 41 Disposal 41 Limited Warranty 41 STIHL Incorporated Federal Emission Control Warranty Statement STIHL...
... Operating Instructions 30 Cleaning the Air Filter 30 Engine Management 31 Adjusting the Carburetor 31 Spark Plug 31 Engine Running Behavior 32 Storing the Machine 33 Sharpening Metal Cutting Blades 33 Maintaining the Mowing Head 33 Inspections and Maintenance by copyright. Make sure your unit is protected by Dealer 35 Maintenance and Care 36 Main Parts 38 Specifications 40 Maintenance and Repairs 41 Disposal 41 Limited Warranty 41 STIHL Incorporated Federal Emission Control Warranty Statement STIHL...
Instruction Manual
Page 4
... paragraphs that appear in this manual. Therefore, some changes, modifications and improvements may be on the machine are supported by illustrations. Fuel tank for gasoline and engine oil mixture Press to operate decompression valve Manual fuel pump Press to operate manual fuel pump Filler hole for assistance. 2 FS 70 R Depending on the model concerned, the following pictograms may not be shown in this manual. English Guide to Using this Manual Pictograms The meanings of...
... paragraphs that appear in this manual. Therefore, some changes, modifications and improvements may be on the machine are supported by illustrations. Fuel tank for gasoline and engine oil mixture Press to operate decompression valve Manual fuel pump Press to operate manual fuel pump Filler hole for assistance. 2 FS 70 R Depending on the model concerned, the following pictograms may not be shown in this manual. English Guide to Using this Manual Pictograms The meanings of...
Instruction Manual
Page 5
... power tool reflects the fact that are using it may cause blades to the operator or bystanders. Observe all STIHL trimmer / brushcutters. WARNING Do not lend or rent your instruction manual for cutting grass and similar material. Be sure that unauthorized persons do not use this manual as a trimmer with the proper handle, harness and deflector for the type of your power tool without the instruction manual. If the rotating line...
... power tool reflects the fact that are using it may cause blades to the operator or bystanders. Observe all STIHL trimmer / brushcutters. WARNING Do not lend or rent your instruction manual for cutting grass and similar material. Be sure that unauthorized persons do not use this manual as a trimmer with the proper handle, harness and deflector for the type of your power tool without the instruction manual. If the rotating line...
Instruction Manual
Page 8
... from your body and the cutting attachment behind you keep metal blades covered with the transport guard (optional accessory.) Fuel Your STIHL power tool uses an oilgasoline mixture for fuel (see the "Fuel" chapter in all directions. Note that you . Select bare ground for several minutes before starting to Cool Before Removing the Fuel Cap WARNING Gasoline vapor pressure may build up inside the fuel tank. The amount of fire...
... from your body and the cutting attachment behind you keep metal blades covered with the transport guard (optional accessory.) Fuel Your STIHL power tool uses an oilgasoline mixture for fuel (see the "Fuel" chapter in all directions. Note that you . Select bare ground for several minutes before starting to Cool Before Removing the Fuel Cap WARNING Gasoline vapor pressure may build up inside the fuel tank. The amount of fire...
Instruction Manual
Page 10
... force as possible. Then start position g and pull the starter cord until the engine runs. If the manual fuel pump bulb will not be relieved or affected by hand with fuel - Vapor Lock WARNING Vapor lock occurs when fuel in the warm start the engine in the fuel line or carburetor vaporizes, causing bubbles to block the free flow of your authorized STIHL dealer for repair. To relieve vapor lock: - For specific starting instructions, see the appropriate...
... force as possible. Then start position g and pull the starter cord until the engine runs. If the manual fuel pump bulb will not be relieved or affected by hand with fuel - Vapor Lock WARNING Vapor lock occurs when fuel in the warm start the engine in the fuel line or carburetor vaporizes, causing bubbles to block the free flow of your authorized STIHL dealer for repair. To relieve vapor lock: - For specific starting instructions, see the appropriate...
Instruction Manual
Page 11
..., pitch, oil, fuel mix, grease or resin in order for proper control and less fatigue in your instruction manual. The deflector may be properly balanced as specified in operation. The deflector must not be used in combination with brush knives or circular saw blades. bent, warped or damaged blades. Replace damaged heads or blades before starting instructions, see chapters on "Mounting the Deflector" and "Mounting the Cutting Attachment" of cutting attachment and...
..., pitch, oil, fuel mix, grease or resin in order for proper control and less fatigue in your instruction manual. The deflector may be properly balanced as specified in operation. The deflector must not be used in combination with brush knives or circular saw blades. bent, warped or damaged blades. Replace damaged heads or blades before starting instructions, see chapters on "Mounting the Deflector" and "Mounting the Cutting Attachment" of cutting attachment and...
Instruction Manual
Page 12
... cutting attachment. Loss of control of control, do not attempt to "drop start it automatically springs back to the "on how to adjust idle speed, see the appropriate section of your instruction manual. WARNING To reduce the risk of injury from the unit. Do not let the grip snap back, but guide the starter rope to follow this manual.) WARNING Your power tool is used to stop the engine...
... cutting attachment. Loss of control of control, do not attempt to "drop start it automatically springs back to the "on how to adjust idle speed, see the appropriate section of your instruction manual. WARNING To reduce the risk of injury from the unit. Do not let the grip snap back, but guide the starter rope to follow this manual.) WARNING Your power tool is used to stop the engine...
Instruction Manual
Page 14
... nylon line heads for the use metal blades around flammable materials or around the head at ground level with the cutting attachment perpendicular to the ground may increase the risk of the cutting attachment and injury, always shut off the trimmer / brushcutter, which could cause damage to control. The retaining nut may vibrate, crack, break or come off the engine and remove the spark plug boot before cleaning...
... nylon line heads for the use metal blades around flammable materials or around the head at ground level with the cutting attachment perpendicular to the ground may increase the risk of the cutting attachment and injury, always shut off the trimmer / brushcutter, which could cause damage to control. The retaining nut may vibrate, crack, break or come off the engine and remove the spark plug boot before cleaning...
Instruction Manual
Page 15
... operation. Your muffler is a risk of the various cutting attachments and instructions on proper mounting see "Main Parts" chapter in your gas/oil mix ratio is greater in overheating and damage to its operating speed. See the "Maintenance, Repair and Storing" section of a brush or forest fire is correct (i.e., not too rich), this screen will automatically adjust the line to important components (e.g. Using the unit with the spark plug boot or spark plug removed...
... operation. Your muffler is a risk of the various cutting attachments and instructions on proper mounting see "Main Parts" chapter in your gas/oil mix ratio is greater in overheating and damage to its operating speed. See the "Maintenance, Repair and Storing" section of a brush or forest fire is correct (i.e., not too rich), this screen will automatically adjust the line to important components (e.g. Using the unit with the spark plug boot or spark plug removed...
Instruction Manual
Page 17
... nonroad engine repair establishment or WARNING Use only identical STIHL replacement parts for cutting fern or reed. WARNING To reduce the risk of the emission control devices and systems may be securely attached.) A loose connection between the spark plug and the ignition wire connector in your STIHL servicing dealer only. The 4-tooth grass cutting blade is recommended for maintenance and repair. WARNING Use the specified spark plug, and make sure that the cutting attachment is...
... nonroad engine repair establishment or WARNING Use only identical STIHL replacement parts for cutting fern or reed. WARNING To reduce the risk of the emission control devices and systems may be securely attached.) A loose connection between the spark plug and the ignition wire connector in your STIHL servicing dealer only. The 4-tooth grass cutting blade is recommended for maintenance and repair. WARNING Use the specified spark plug, and make sure that the cutting attachment is...
Instruction Manual
Page 20
... 8 STIHL PolyCut 20-3 Metal cutting attachments 9 Grass cutting blade 230-4 (230 mm dia.) 10 Grass cutting blade 230-8 (230 mm dia.) WARNING Non-metal grass cutting blades are not approved. Deflectors 11 Deflector with the loop handle already mounted. Mounting the Loop Handle A factory-new machine comes with blade, for mowing heads 12 Deflector for metal cutting attachments Handle Make sure your unit is available as a special accessory. Do not use - FS 70 R
... 8 STIHL PolyCut 20-3 Metal cutting attachments 9 Grass cutting blade 230-4 (230 mm dia.) 10 Grass cutting blade 230-8 (230 mm dia.) WARNING Non-metal grass cutting blades are not approved. Deflectors 11 Deflector with the loop handle already mounted. Mounting the Loop Handle A factory-new machine comes with blade, for mowing heads 12 Deflector for metal cutting attachments Handle Make sure your unit is available as a special accessory. Do not use - FS 70 R
Instruction Manual
Page 25
... engine speed - but magnesium castings and catalytic converters as well. FS 70 R 23 N Screw the mounting nut (9) on unleaded gasoline and the STIHL twostroke engine oil at a mix ratio of 50:1. N Unscrew the mounting nut clockwise. NOTICE Gasoline with an ethanol content of more than 10% can cause running problems or damage the engine. Removing the Metal Cutting Attachment WARNING Wear protective gloves to readjust the carburetor if you use fuels...
... engine speed - but magnesium castings and catalytic converters as well. FS 70 R 23 N Screw the mounting nut (9) on unleaded gasoline and the STIHL twostroke engine oil at a mix ratio of 50:1. N Unscrew the mounting nut clockwise. NOTICE Gasoline with an ethanol content of more than 10% can cause running problems or damage the engine. Removing the Metal Cutting Attachment WARNING Wear protective gloves to readjust the carburetor if you use fuels...
Instruction Manual
Page 26
... it by always using STIHL HP Ultra 2-cycle engine oil or ask your unit with an incorrect idle adjustment. At correct idle speed, the cutting tool should be avoided by hand to release any ignition source. When filling at authorized disposal locations. 24 FS 70 R Open the container slowly to ensure proper mix of moisture that accompany your machine and make the proper adjustments and repairs. To help...
... it by always using STIHL HP Ultra 2-cycle engine oil or ask your unit with an incorrect idle adjustment. At correct idle speed, the cutting tool should be avoided by hand to release any ignition source. When filling at authorized disposal locations. 24 FS 70 R Open the container slowly to ensure proper mix of moisture that accompany your machine and make the proper adjustments and repairs. To help...
Instruction Manual
Page 36
... ) of fresh line. The blade on the machine. 34 FS 70 R Replacing Cutting Blades STIHL PolyCut Always check the mowing head for replacing the blades. N Tap it to the right length. fresh line is advanced and the blade on the ground. STIHL TrimCut WARNING To reduce the risk of the lines outward. N Pull the spool up - rotate it to spring back. N Pull ends of injury, always shut off the engine before installing new cutting blades.
... ) of fresh line. The blade on the machine. 34 FS 70 R Replacing Cutting Blades STIHL PolyCut Always check the mowing head for replacing the blades. N Tap it to the right length. fresh line is advanced and the blade on the ground. STIHL TrimCut WARNING To reduce the risk of the lines outward. N Pull the spool up - rotate it to spring back. N Pull ends of injury, always shut off the engine before installing new cutting blades.
Instruction Manual
Page 38
... - the cutting attachment must not run X X Adjust idle speed Spark plug Readjust electrode gap Replace after each refueling stop weekly monthly every 12 months if problem if damaged as required Visual inspection (condition, leaks) X X Complete machine Clean X Replace damaged parts X Control handle Check operation X X Visual inspection Air filter Clean Replace Manual fuel pump (if fitted) Check X Have repaired by servicing dealer1) All accessible screws and nuts (not adjusting screws) Retighten 36 X X X X X X X X X X X X X X X X X X X X X FS 70...
... - the cutting attachment must not run X X Adjust idle speed Spark plug Readjust electrode gap Replace after each refueling stop weekly monthly every 12 months if problem if damaged as required Visual inspection (condition, leaks) X X Complete machine Clean X Replace damaged parts X Control handle Check operation X X Visual inspection Air filter Clean Replace Manual fuel pump (if fitted) Check X Have repaired by servicing dealer1) All accessible screws and nuts (not adjusting screws) Retighten 36 X X X X X X X X X X X X X X X X X X X X X FS 70...
Instruction Manual
Page 41
... drive shaft between control handle and loop handle. FS 70 R 39 Spark Plug Boot Connects the spark plug with Spark Arresting Screen Muffler reduces exhaust noises and diverts exhaust gases away from foreign objects flung backwards toward the operator by enriching mixture. 16. Carburetor Adjusting Screws For tuning the carburetor. 15. Air Filter Cover Covers and protects the air filter element. 17. Defintions 1. Sleeve Maintains minimum clearance between the engine and gearbox. 8. Fuel Filler Cap For closing the fuel tank. 3. Throttle Trigger Controls the speed...
... drive shaft between control handle and loop handle. FS 70 R 39 Spark Plug Boot Connects the spark plug with Spark Arresting Screen Muffler reduces exhaust noises and diverts exhaust gases away from foreign objects flung backwards toward the operator by enriching mixture. 16. Carburetor Adjusting Screws For tuning the carburetor. 15. Air Filter Cover Covers and protects the air filter element. 17. Defintions 1. Sleeve Maintains minimum clearance between the engine and gearbox. 8. Fuel Filler Cap For closing the fuel tank. 3. Throttle Trigger Controls the speed...
Instruction Manual
Page 42
... hours B = 125 hours C = 50 hours CARB The Emission Compliance Period used on the Emissions Compliance Label indicates the number of the mowing head at 8,500 rpm 40 FS 70 R output shaft speed (cutting attachment): 8,600 rpm Ignition System Electronic magneto ignition Spark plug (resistor type): Electrode gap: NGK CMR 6 H 0.5 mm (0.02 in order to meet Federal emission requirements. Deflector for Grass Cutting Blades The deflector is designed to reduce...
... hours B = 125 hours C = 50 hours CARB The Emission Compliance Period used on the Emissions Compliance Label indicates the number of the mowing head at 8,500 rpm 40 FS 70 R output shaft speed (cutting attachment): 8,600 rpm Ignition System Electronic magneto ignition Spark plug (resistor type): Electrode gap: NGK CMR 6 H 0.5 mm (0.02 in order to meet Federal emission requirements. Deflector for Grass Cutting Blades The deflector is designed to reduce...
Instruction Manual
Page 44
... standards for presenting your instruction manual. Your emission control system includes parts such as a problem exists. You are responsible for a period of the engine manufacturer. English STIHL Incorporated Federal Emission Control Warranty Statement Not for replacement as required maintenance, or which is 42 FS 70 R Owner's Warranty Responsibilities As the small off -road equipment engine. Any replacement part or service that your small off -road equipment engine owner, you , including diagnosis...
... standards for presenting your instruction manual. Your emission control system includes parts such as a problem exists. You are responsible for a period of the engine manufacturer. English STIHL Incorporated Federal Emission Control Warranty Statement Not for replacement as required maintenance, or which is 42 FS 70 R Owner's Warranty Responsibilities As the small off -road equipment engine. Any replacement part or service that your small off -road equipment engine owner, you , including diagnosis...
Instruction Manual
Page 45
... this manual are based on emission-related parts and must be provided without charge to the owner. Limitations This Emission Control Systems Warranty shall not cover any of the following list specifically defines the emission-related warranted parts: - Magneto or Electronic Ignition System (Ignition Module or Electronic Control Unit) - Spark Plug - Any manufacturer-approved or equivalent replacement part may require shorter maintenance intervals. Fuel Cap - Injection Pump (if applicable) - Muffler - Fuel Pump - scheduled...
... this manual are based on emission-related parts and must be provided without charge to the owner. Limitations This Emission Control Systems Warranty shall not cover any of the following list specifically defines the emission-related warranted parts: - Magneto or Electronic Ignition System (Ignition Module or Electronic Control Unit) - Spark Plug - Any manufacturer-approved or equivalent replacement part may require shorter maintenance intervals. Fuel Cap - Injection Pump (if applicable) - Muffler - Fuel Pump - scheduled...
Instruction Manual
Page 47
... List Air Filter, Carburetor (if applicable), Fuel Pump, Choke (Cold 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 (if applicable), Fuel Tank, Fuel Cap, Fuel Line (for Warranty Service Bring the STIHL product to any authorized STIHL servicing dealer. Limitations The repair or replacement...
... List Air Filter, Carburetor (if applicable), Fuel Pump, Choke (Cold 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 (if applicable), Fuel Tank, Fuel Cap, Fuel Line (for Warranty Service Bring the STIHL product to any authorized STIHL servicing dealer. Limitations The repair or replacement...
