Instruction Manual
Page 3
... of the Guide Bar 39 Shroud 39 Air Filter System 40 Cleaning the Air Filter 40 Engine Management 41 Adjusting the Carburetor 41 Spark Arresting Screen in chapter "Safety Precautions and Working Techniques" before using your chain saw . Careless or improper use may cause serious or even fatal injury. © ANDREAS STIHL AG & Co. M0-38.B11.DDS. 0000003131_002_GB { MS 291 C-Q 1 Contents English Original Instruction Manual Printed on chlorine-free paper Printing...
... of the Guide Bar 39 Shroud 39 Air Filter System 40 Cleaning the Air Filter 40 Engine Management 41 Adjusting the Carburetor 41 Spark Arresting Screen in chapter "Safety Precautions and Working Techniques" before using your chain saw . Careless or improper use may cause serious or even fatal injury. © ANDREAS STIHL AG & Co. M0-38.B11.DDS. 0000003131_002_GB { MS 291 C-Q 1 Contents English Original Instruction Manual Printed on chlorine-free paper Printing...
Instruction Manual
Page 5
... described in this Manual Pictograms Intake air for summer operation Handle heating Danger! As a result, engineering changes and improvements are marked with the symbols and signal words described below: STIHL's philosophy is to time. Indicates an imminent risk of gasoline and engine oil Operate decompression valve Operate manual fuel pump Chain oil tank; If the operating characteristics or the appearance of your STIHL dealer for winter operation Many operating and safety instructions are explained...
... described in this Manual Pictograms Intake air for summer operation Handle heating Danger! As a result, engineering changes and improvements are marked with the symbols and signal words described below: STIHL's philosophy is to time. Indicates an imminent risk of gasoline and engine oil Operate decompression valve Operate manual fuel pump Chain oil tank; If the operating characteristics or the appearance of your STIHL dealer for winter operation Many operating and safety instructions are explained...
Instruction Manual
Page 8
... side protection complying with the specific STIHL model are working properly. THE POWER TOOL Warning! heavy impact or a fall), always check that the fuel system is balanced horizontally. Never modify this tool is damaged. Warning! If this power tool in a horizontal position. To reduce the risk of the power tool parts see the chapter on "Main Parts." 6 MS 291 C-Q Always engage the chain brake when taking more than a few...
... side protection complying with the specific STIHL model are working properly. THE POWER TOOL Warning! heavy impact or a fall), always check that the fuel system is balanced horizontally. Never modify this tool is damaged. Warning! If this power tool in a horizontal position. To reduce the risk of the power tool parts see the chapter on "Main Parts." 6 MS 291 C-Q Always engage the chain brake when taking more than a few...
Instruction Manual
Page 9
... this STIHL cap, raise the grip on your clothing immediately. Warning! Warning! Toolless cap with this happens, change your power tool carefully so as it is fixed and any fire or flame near the fuel or the power tool. Grip the cap and check for fueling and move at a 90° angle. If spilled and ignited by a spark or other personal injury from escaping gas...
... this STIHL cap, raise the grip on your clothing immediately. Warning! Warning! Toolless cap with this happens, change your power tool carefully so as it is fixed and any fire or flame near the fuel or the power tool. Grip the cap and check for fueling and move at a 90° angle. If spilled and ignited by a spark or other personal injury from escaping gas...
Instruction Manual
Page 10
... hexagonal nut(s) for installation, turn ) - Unit vibrations can be followed as possible. Never attempt to the idle position. Warning! Keep the handles clean and dry at least 10 feet (3 m) from the fueling spot, outdoors only. 8 MS 291 C-Q Before Starting Take off the engine and then tighten. The throttle trigger must move freely and always spring back to modify the controls or safety devices. Warning! STIHL Oilomatic chain, guide bar and...
... hexagonal nut(s) for installation, turn ) - Unit vibrations can be followed as possible. Never attempt to the idle position. Warning! Keep the handles clean and dry at least 10 feet (3 m) from the fueling spot, outdoors only. 8 MS 291 C-Q Before Starting Take off the engine and then tighten. The throttle trigger must move freely and always spring back to modify the controls or safety devices. Warning! STIHL Oilomatic chain, guide bar and...
Instruction Manual
Page 11
... handle of injury. To reduce this procedure may begin to rotate at high speed when the throttle trigger lockout is depressed (releasing the brake) in a locked (straight) position. When the engine is not sufficient to engage that the guide bar and chain are two recommended methods for the clutch to blip the throttle trigger after starting instructions, see "Chain Brake" chapter in an open area. Do not drop start the chain saw...
... handle of injury. To reduce this procedure may begin to rotate at high speed when the throttle trigger lockout is depressed (releasing the brake) in a locked (straight) position. When the engine is not sufficient to engage that the guide bar and chain are two recommended methods for the clutch to blip the throttle trigger after starting instructions, see "Chain Brake" chapter in an open area. Do not drop start the chain saw...
Instruction Manual
Page 12
..., snow, ice). Do not overreach. 001BA087 LÄ 001BA031 KN 10 MS 291 C-Q To reduce the risk of personal injury from loss of control, never work when the weather is windy, stormy or rainfall is dangerous because the operator may lose control. If you are working on the handles while you cannot set the correct idle speed, have your STIHL dealer check your...
..., snow, ice). Do not overreach. 001BA087 LÄ 001BA031 KN 10 MS 291 C-Q To reduce the risk of personal injury from loss of control, never work when the weather is windy, stormy or rainfall is dangerous because the operator may lose control. If you are working on the handles while you cannot set the correct idle speed, have your STIHL dealer check your...
Instruction Manual
Page 14
... muffler clean. If you have control of a felled tree) away from the saw to important components (e.g. To reduce the risk of the saw is not designed for a short period after stopping the engine. the trunk of the engine speed. English Warning! The saw chain continues to time, the catcher may also permanently damage the engine. Your saw . Never modify your STIHL servicing dealer. Have your muffler serviced and repaired...
... muffler clean. If you have control of a felled tree) away from the saw to important components (e.g. To reduce the risk of the saw is not designed for a short period after stopping the engine. the trunk of the engine speed. English Warning! The saw chain continues to time, the catcher may also permanently damage the engine. Your saw . Never modify your STIHL servicing dealer. Have your muffler serviced and repaired...
Instruction Manual
Page 17
... of your instruction manual. Cutting attachments with a STIHL Quickstop Plus chain brake system, the throttle trigger and the throttle trigger lockout on a saw without hand contact. In addition, removal of kickback injury, if activated, in higher kickback tendency. See the chapter of your instruction manual entitled "Chain Brake" and the section "Maintenance, Repair and Storing" at all. Low Kickback Saw Chain and Reduced Kickback Bars STIHL offers a variety of activation. On models equipped with...
... of your instruction manual. Cutting attachments with a STIHL Quickstop Plus chain brake system, the throttle trigger and the throttle trigger lockout on a saw without hand contact. In addition, removal of kickback injury, if activated, in higher kickback tendency. See the chapter of your instruction manual entitled "Chain Brake" and the section "Maintenance, Repair and Storing" at all. Low Kickback Saw Chain and Reduced Kickback Bars STIHL offers a variety of activation. On models equipped with...
Instruction Manual
Page 26
... the chain, bar and sprocket clean; Tighten all nuts, bolts and screws except the carburetor adjustment screws after each STIHL chain saw is damaged, missing or modified. Excessive wear will reduce the effectiveness of fire, never operate your chain saw in good condition. annually. If your muffler was equipped with a spark-arresting screen to reduce the risk of the chain brake and can spot a dull chain when easy-to-cut wood becomes...
... the chain, bar and sprocket clean; Tighten all nuts, bolts and screws except the carburetor adjustment screws after each STIHL chain saw is damaged, missing or modified. Excessive wear will reduce the effectiveness of fire, never operate your chain saw in good condition. annually. If your muffler was equipped with a spark-arresting screen to reduce the risk of the chain brake and can spot a dull chain when easy-to-cut wood becomes...
Instruction Manual
Page 36
... is set Master Control lever. 34 MS 291 C-Q do not allow children or unauthorized persons access to the operating position when the throttle trigger is usually also necessary to start n - engine off Operating position F - engine is for starting the warm engine - this position is running or can start Warm start or otherwise use the machine - see "Shroud" Heated air is extremely simple and easy to cold start , even for starting , bring the engine up to operating...
... is set Master Control lever. 34 MS 291 C-Q do not allow children or unauthorized persons access to the operating position when the throttle trigger is usually also necessary to start n - engine off Operating position F - engine is for starting the warm engine - this position is running or can start Warm start or otherwise use the machine - see "Shroud" Heated air is extremely simple and easy to cold start , even for starting , bring the engine up to operating...
Instruction Manual
Page 38
...! set master control lever (4) Position choke shutter closed l - if engine is still full of the starter rope and the starting the chain saw chain is warm (once the engine has been running for approx. to start the chain saw . guide it may pass between the pulling of fuel 36 MS 291 C-Q Versions with Easy2Start The Easy2Start stores the energy for starting of the chain saw N Press the fuel pump bulb at least five times - with the right hand, pull the starter...
...! set master control lever (4) Position choke shutter closed l - if engine is still full of the starter rope and the starting the chain saw chain is warm (once the engine has been running for approx. to start the chain saw . guide it may pass between the pulling of fuel 36 MS 291 C-Q Versions with Easy2Start The Easy2Start stores the energy for starting of the chain saw N Press the fuel pump bulb at least five times - with the right hand, pull the starter...
Instruction Manual
Page 39
... Control lever was moved from the position choke shutter closed l to starting acceleration n in time, the engine may be flooded. Increased engine speeds with the chain brake on (saw chain is cold N Restart the engine MS 291 C-Q 37 even if the engine is stationary) will quickly damage the clutch and chain brake. to idle 5902BA031 KN 5902BA030 KN N Pull the hand guard toward the handlebar The chain brake is running 4 4 3 N Press the throttle trigger lockout and blip the throttle trigger...
... Control lever was moved from the position choke shutter closed l to starting acceleration n in time, the engine may be flooded. Increased engine speeds with the chain brake on (saw chain is cold N Restart the engine MS 291 C-Q 37 even if the engine is stationary) will quickly damage the clutch and chain brake. to idle 5902BA031 KN 5902BA030 KN N Pull the hand guard toward the handlebar The chain brake is running 4 4 3 N Press the throttle trigger lockout and blip the throttle trigger...
Instruction Manual
Page 43
... idling N Open the low speed screw (L) one full turn ). This setting provides an optimum fuel-air mixture under most operating conditions. N Check the spark arresting screen (country-specific) in the same direction. MS 291 C-Q 41 then turn it is usually necessary to run - If the setting is too lean there is too lean: Turn the low speed screw (L) counterclockwise until the chain begins to the low speed screw (L). Chain runs when engine is idling N Open the low speed screw (L) one turn) N Idle setting...
... idling N Open the low speed screw (L) one full turn ). This setting provides an optimum fuel-air mixture under most operating conditions. N Check the spark arresting screen (country-specific) in the same direction. MS 291 C-Q 41 then turn it is usually necessary to run - If the setting is too lean there is too lean: Turn the low speed screw (L) counterclockwise until the chain begins to the low speed screw (L). Chain runs when engine is idling N Open the low speed screw (L) one turn) N Idle setting...
Instruction Manual
Page 44
... engine does not run satisfactorily: N Turn high speed screw (H) clockwise (leaner) - N Clean away loose dirt from around the spark plug. 42 MS 291 C-Q N Pull out the spark arresting screen (2). If the screen is a risk of engine damage due to start or runs poorly at idling speed, first check the spark plug. Removing the spark plug N Remove the shroud - English Fine tuning for the muffler to the stop . no further than stop position (0). 0001BA009 KN 5902BA013 KN N Pull off the spark plug boot. Spark Plug...
... engine does not run satisfactorily: N Turn high speed screw (H) clockwise (leaner) - N Clean away loose dirt from around the spark plug. 42 MS 291 C-Q N Pull out the spark arresting screen (2). If the screen is a risk of engine damage due to start or runs poorly at idling speed, first check the spark plug. Removing the spark plug N Remove the shroud - English Fine tuning for the muffler to the stop . no further than stop position (0). 0001BA009 KN 5902BA013 KN N Pull off the spark plug boot. Spark Plug...
Instruction Manual
Page 48
... spring N Install the fan housing and shroud Storing the Machine For periods of the chain brake. 46 MS 291 C-Q if the wear marks (arrows) are deeper than 0.02 in accordance with corrosion inhibiting oil. pay special attention to test Using two saw chains in a dry, high or locked location, out of the reach of two saw chain and guide bar, clean them and spray with local environmental requirements. pull hand guard...
... spring N Install the fan housing and shroud Storing the Machine For periods of the chain brake. 46 MS 291 C-Q if the wear marks (arrows) are deeper than 0.02 in accordance with corrosion inhibiting oil. pay special attention to test Using two saw chains in a dry, high or locked location, out of the reach of two saw chain and guide bar, clean them and spray with local environmental requirements. pull hand guard...
Instruction Manual
Page 56
... chain brake. 24 Rear Handle The support handle for the right hand, located at the rear of the saw chain. 13 Oilomatic Saw Chain A loop consisting of cutters, tie straps and drive links. 14 Oil Filler Cap For closing the oil tank. 15 Muffler with the ignition lead. 19 Starter Grip The grip of the pull starter, for starting the engine. 20 Fuel Filler Cap For closing the fuel tank. 21 Master Control Lever Lever for choke control, starting throttle, run and stop switch position. 22 Throttle Trigger Controls...
... chain brake. 24 Rear Handle The support handle for the right hand, located at the rear of the saw chain. 13 Oilomatic Saw Chain A loop consisting of cutters, tie straps and drive links. 14 Oil Filler Cap For closing the oil tank. 15 Muffler with the ignition lead. 19 Starter Grip The grip of the pull starter, for starting the engine. 20 Fuel Filler Cap For closing the fuel tank. 21 Master Control Lever Lever for choke control, starting throttle, run and stop switch position. 22 Throttle Trigger Controls...
Instruction Manual
Page 58
... not cover the full length of the parts. When purchasing these parts, always quote the saw model, the part numbers and names of the guide bar, a suitable chain scabbard or a scabbard extension is necessary. Model Serial number Guide bar part number Chain part number See "Specifications" in this manual for your product. Chain scabbard If you use guide bars of different lengths on the length the bar N Push the scabbard extension over the scabbard until the cut -outs...
... not cover the full length of the parts. When purchasing these parts, always quote the saw model, the part numbers and names of the guide bar, a suitable chain scabbard or a scabbard extension is necessary. Model Serial number Guide bar part number Chain part number See "Specifications" in this manual for your product. Chain scabbard If you use guide bars of different lengths on the length the bar N Push the scabbard extension over the scabbard until the cut -outs...
Instruction Manual
Page 59
... control system includes parts such as a MS 291 C-Q 57 You are responsible for the lack of the engine manufacturer. Other repair work is defective, the part will repair your small off -road equipment engine owner, you retain all scheduled maintenance. new 1997 and later model year small off -road equipment engine. EPA standards for presenting your failure to ensure the performance of all receipts covering maintenance...
... control system includes parts such as a MS 291 C-Q 57 You are responsible for the lack of the engine manufacturer. Other repair work is defective, the part will repair your small off -road equipment engine owner, you retain all scheduled maintenance. new 1997 and later model year small off -road equipment engine. EPA standards for presenting your failure to ensure the performance of all receipts covering maintenance...
Instruction Manual
Page 60
..., built and equipped, at any authorized STIHL servicing dealer or warranty station. Fuel Cap - Any warranted part which leads to the determination that your small off-road equipment engine will be free of the recommended 2-stroke fuel-oil 58 MS 291 C-Q Mechanical diagnostic work shall be warranted for the period of "repair or replace as required maintenance will be performed either at STIHL Incorporated or at the time...
..., built and equipped, at any authorized STIHL servicing dealer or warranty station. Fuel Cap - Any warranted part which leads to the determination that your small off-road equipment engine will be free of the recommended 2-stroke fuel-oil 58 MS 291 C-Q Mechanical diagnostic work shall be warranted for the period of "repair or replace as required maintenance will be performed either at STIHL Incorporated or at the time...