Instruction Manual
Page 3
... 8 Maintenance, Repair and Storage 33 8.1 Warnings and Instructions 33 9 Before Starting Work 33 9.1 Preparing the Chain Saw for Operation 33 10 Assembling the Chain Saw 34 10.1 Cutting Attachment 34 10.2 Mounting and Removing the Guide Bar and Chain 34 10.3 Tensioning the Chain 35 11 Lubricating the Saw Chain and Guide Bar 36 11.1 Bar and Chain Lubricant 36 11.2 Filling the Chain Oil Tank 36 11.3 Adjusting the Flow of Bar and Chain Oil 37 12 The Chain Brake 38...
... 8 Maintenance, Repair and Storage 33 8.1 Warnings and Instructions 33 9 Before Starting Work 33 9.1 Preparing the Chain Saw for Operation 33 10 Assembling the Chain Saw 34 10.1 Cutting Attachment 34 10.2 Mounting and Removing the Guide Bar and Chain 34 10.3 Tensioning the Chain 35 11 Lubricating the Saw Chain and Guide Bar 36 11.1 Bar and Chain Lubricant 36 11.2 Filling the Chain Oil Tank 36 11.3 Adjusting the Flow of Bar and Chain Oil 37 12 The Chain Brake 38...
Instruction Manual
Page 4
... 23 Troubleshooting Guide 59 23.1 Chain saw 59 23.2 Clearing the Combustion Chamber 60 24 Specifications 60 24.1 EPA 60 24.2 STIHL MS 400 C-M 60 24.3 Chain Sprockets 61 24.4 Minimum Groove Depth of Guide Bars 61 24.5 Depth Gauge Setting 61 24.6 Symbols on the Chain Saw 61 24.7 Engineering Improvements 62 25 Combinations of Guide Bars and Saw Chains 63 25.1 STIHL MS 400 C-M 63 26 Replacement Parts and Equipment 64 26.1 Genuine STIHL Replacement Parts...
... 23 Troubleshooting Guide 59 23.1 Chain saw 59 23.2 Clearing the Combustion Chamber 60 24 Specifications 60 24.1 EPA 60 24.2 STIHL MS 400 C-M 60 24.3 Chain Sprockets 61 24.4 Minimum Groove Depth of Guide Bars 61 24.5 Depth Gauge Setting 61 24.6 Symbols on the Chain Saw 61 24.7 Engineering Improvements 62 25 Combinations of Guide Bars and Saw Chains 63 25.1 STIHL MS 400 C-M 63 26 Replacement Parts and Equipment 64 26.1 Genuine STIHL Replacement Parts...
Instruction Manual
Page 6
... off the bar. 7 Side Chain Tensioner Permits precise adjustment of saw chain tension. 8 Chain Sprocket Drives the saw chain. 9 Chain Sprocket Cover Covers the chain sprocket. 10 Nuts Tighten the chain sprocket cover to the chain saw chain. Serves as the activation lever for the chain brake. 2 Muffler with Spark Arresting Screen Reduces engine exhaust noise and diverts exhaust gases away from projecting branches and contact with the saw . 11 Shroud Covers the air filter and engine. 12 Shroud Lock Lock for the...
... off the bar. 7 Side Chain Tensioner Permits precise adjustment of saw chain tension. 8 Chain Sprocket Drives the saw chain. 9 Chain Sprocket Cover Covers the chain sprocket. 10 Nuts Tighten the chain sprocket cover to the chain saw chain. Serves as the activation lever for the chain brake. 2 Muffler with Spark Arresting Screen Reduces engine exhaust noise and diverts exhaust gases away from projecting branches and contact with the saw . 11 Shroud Covers the air filter and engine. 12 Shroud Lock Lock for the...
Instruction Manual
Page 7
... throttle trigger until depressed. 20 Rear Handle Handle for the operator's right hand. 21 Rear Hand Guard Helps protect the operator's right hand in the event the chain breaks or comes off the bar. 22 Throttle Trigger Controls the speed of the engine. 23 Master Control Lever Lever for choke control, starting the engine. 26 Oil Flow Adjusting Screw For adjusting the amount of chain oil. 27 Oil Filler Cap Closes and seals the oil tank. 28 Chain Scabbard Covers the guide bar and saw chain to operate...
... throttle trigger until depressed. 20 Rear Handle Handle for the operator's right hand. 21 Rear Hand Guard Helps protect the operator's right hand in the event the chain breaks or comes off the bar. 22 Throttle Trigger Controls the speed of the engine. 23 Master Control Lever Lever for choke control, starting the engine. 26 Oil Flow Adjusting Screw For adjusting the amount of chain oil. 27 Oil Filler Cap Closes and seals the oil tank. 28 Chain Scabbard Covers the guide bar and saw chain to operate...
Instruction Manual
Page 11
...: - The amount of parts that only identical STIHL replacement parts be ignited by a spark or flame many feet away. - In hot environments, cooling will rise for fuel. 5 IMPORTANT SAFETY INSTRUCTIONS ■ Any modification to cool before removing the fuel cap. ■ The engine is air cooled. Never work with a damaged or malfunctioning chain saw uses an oil-gasoline mixture for several minutes before continuing work. - STIHL recommends that are...
...: - The amount of parts that only identical STIHL replacement parts be ignited by a spark or flame many feet away. - In hot environments, cooling will rise for fuel. 5 IMPORTANT SAFETY INSTRUCTIONS ■ Any modification to cool before removing the fuel cap. ■ The engine is air cooled. Never work with a damaged or malfunctioning chain saw uses an oil-gasoline mixture for several minutes before continuing work. - STIHL recommends that are...
Instruction Manual
Page 14
... fuel tank. Removing the fuel filler cap without first allowing the chain saw , @ 14. - If your authorized STIHL dealer for repair. Turn the cap counter-clockwise with slight pressure until it drops fully into the fuel tank opening (A). - Illustration C: The bottom of the cap is being used . Vapor Lock WARNING ■ Vapor lock occurs when fuel in the start position and try to the top. Place the Master Control Lever in the fuel line or carburetor...
... fuel tank. Removing the fuel filler cap without first allowing the chain saw , @ 14. - If your authorized STIHL dealer for repair. Turn the cap counter-clockwise with slight pressure until it drops fully into the fuel tank opening (A). - Illustration C: The bottom of the cap is being used . Vapor Lock WARNING ■ Vapor lock occurs when fuel in the start position and try to the top. Place the Master Control Lever in the fuel line or carburetor...
Instruction Manual
Page 15
... in this instruction manual. ■ For proper assembly of personal injury from chain breakage, derailment or reactive forces: - Always make sure the chain sprocket cover is running. - Securely mount the spark plug boot on guide bar and chain combinations, @ 25. - If the chain becomes loose while cutting, engage the chain brake and shut off the engine before starting work, particularly the throttle trigger, throttle trigger lockout, Master Control Lever, front hand guard, chain brake and cutting attachment. - Check chain tension periodically...
... in this instruction manual. ■ For proper assembly of personal injury from chain breakage, derailment or reactive forces: - Always make sure the chain sprocket cover is running. - Securely mount the spark plug boot on guide bar and chain combinations, @ 25. - If the chain becomes loose while cutting, engage the chain brake and shut off the engine before starting work, particularly the throttle trigger, throttle trigger lockout, Master Control Lever, front hand guard, chain brake and cutting attachment. - Check chain tension periodically...
Instruction Manual
Page 16
... that the guide bar and chain are clear of the chain saw only as described in the "Starting" chapter in this rule is in the cut or the chain brake is started , immediately blip the throttle trigger, which should release the Master Control Lever to the run position and allow the engine to slow down to idle. ■ Accelerating the engine while the chain brake is engaged or the chain is otherwise...
... that the guide bar and chain are clear of the chain saw only as described in the "Starting" chapter in this rule is in the cut or the chain brake is started , immediately blip the throttle trigger, which should release the Master Control Lever to the run position and allow the engine to slow down to idle. ■ Accelerating the engine while the chain brake is engaged or the chain is otherwise...
Instruction Manual
Page 18
...-8621-A Use caution when approaching the end of injury to stop position 0 before pulling the starter grip if the spark plug boot has been removed. - Engage the chain brake. 5 IMPORTANT SAFETY INSTRUCTIONS ■ To reduce the risk of a cut . - Contact your chain saw only under good visibility during work with the bumper spike to maintain better control of the saw. ■ Applying pressure to the chain saw when...
...-8621-A Use caution when approaching the end of injury to stop position 0 before pulling the starter grip if the spark plug boot has been removed. - Engage the chain brake. 5 IMPORTANT SAFETY INSTRUCTIONS ■ To reduce the risk of a cut . - Contact your chain saw only under good visibility during work with the bumper spike to maintain better control of the saw. ■ Applying pressure to the chain saw when...
Instruction Manual
Page 20
... other parts of the saw and make proper adjustments and repairs before walking with the chain saw or putting it can be thrown, or cause the chain saw is furnished with a spark arresting screen. If you have your STIHL dealer check your gas/oil mix ratio is correct (i.e., not too rich), this chain saw to propel dangerous debris or kick back in cutting behavior: - Keep the area around the muffler clean...
... other parts of the saw and make proper adjustments and repairs before walking with the chain saw or putting it can be thrown, or cause the chain saw is furnished with a spark arresting screen. If you have your STIHL dealer check your gas/oil mix ratio is correct (i.e., not too rich), this chain saw to propel dangerous debris or kick back in cutting behavior: - Keep the area around the muffler clean...
Instruction Manual
Page 21
... use or operate gasolinepowered tools on the chain saw in - Surprise contributes to use your muffler serviced. The owner/operator of fire or wildfire. - Never operate your local fire authorities or the U.S. Pushback 0458-788-8621-A 19 Do not rely on forest-covered, brush-covered or grasscovered land unless the engine's exhaust system is equipped with any wires or cables that is maintained in turn, may have your chain saw...
... use or operate gasolinepowered tools on the chain saw in - Surprise contributes to use your muffler serviced. The owner/operator of fire or wildfire. - Never operate your local fire authorities or the U.S. Pushback 0458-788-8621-A 19 Do not rely on forest-covered, brush-covered or grasscovered land unless the engine's exhaust system is equipped with any wires or cables that is maintained in turn, may have your chain saw...
Instruction Manual
Page 23
... chain saw kickback standards, use a saw moves upwards toward the user in a rotating motion around the front handle. Never use only the following cutting attachments: - Read and follow the safety precautions and instructions in this alone is the activation lever for Reducing the Risk of Guide Bars and Saw Chains," @ 25; - Manual Activation: If a kickback occurs, the chain saw if the chain brake does not function properly. - Inertia Activation: All STIHL chain saws...
... chain saw kickback standards, use a saw moves upwards toward the user in a rotating motion around the front handle. Never use only the following cutting attachments: - Read and follow the safety precautions and instructions in this alone is the activation lever for Reducing the Risk of Guide Bars and Saw Chains," @ 25; - Manual Activation: If a kickback occurs, the chain saw if the chain brake does not function properly. - Inertia Activation: All STIHL chain saws...
Instruction Manual
Page 25
... chain for all chain saws and all users. - Read and follow the instructions on a bow guide. - WARNING ■ Use of bar and chain combinations not listed in combination with certain chain saws, comply with the chain saw standards as the propensity for your saw . STIHL recommends green-labeled bars and greenlabeled chains for kickback and the force of the chain saw mounted with a properly sharpened chain. - 6 Kickback and Other Reactive Forces New bar...
... chain for all chain saws and all users. - Read and follow the instructions on a bow guide. - WARNING ■ Use of bar and chain combinations not listed in combination with certain chain saws, comply with the chain saw standards as the propensity for your saw . STIHL recommends green-labeled bars and greenlabeled chains for kickback and the force of the chain saw mounted with a properly sharpened chain. - 6 Kickback and Other Reactive Forces New bar...
Instruction Manual
Page 35
... unauthorized use . ■ Proper maintenance will help maintain cutting performance and reduce the risk of parts that are no user-authorized repairs for the chain brake on your STIHL servicing dealer for proper function and condition, @ 16.2. ► Check the chain oil flow rate, @ 16.3. 33 Return the chain saw immediately for Operation Before starting : - Shut off the engine before storing the chain saw , @ 13.2. ► Check the chain brake, @ 16.1. ► Check the controls...
... unauthorized use . ■ Proper maintenance will help maintain cutting performance and reduce the risk of parts that are no user-authorized repairs for the chain brake on your STIHL servicing dealer for proper function and condition, @ 16.2. ► Check the chain oil flow rate, @ 16.3. 33 Return the chain saw immediately for Operation Before starting : - Shut off the engine before storing the chain saw , @ 13.2. ► Check the chain brake, @ 16.1. ► Check the controls...
Instruction Manual
Page 42
... a container at authorized disposal locations. 13.2 Refueling the Chain Saw WARNING Take care when handling gasoline. STIHL MotoMix STIHL MotoMix is ethanol-free, has a high octane rating and ensures that accompany your chain saw. English 13 Mixing Fuel and Refueling the Chain Saw Gasoline with an ethanol content of more than 10% can cause running problems and major damage in gasoline affects engine speed. For further details, see...
... a container at authorized disposal locations. 13.2 Refueling the Chain Saw WARNING Take care when handling gasoline. STIHL MotoMix STIHL MotoMix is ethanol-free, has a high octane rating and ensures that accompany your chain saw. English 13 Mixing Fuel and Refueling the Chain Saw Gasoline with an ethanol content of more than 10% can cause running problems and major damage in gasoline affects engine speed. For further details, see...
Instruction Manual
Page 47
... without first depressing the throttle trigger lockout, take the chain saw chain while the engine is running. Stopping the Engine ► Start the engine, @ 14. ► Move the Master Control Lever to modify or disable the chain brake. Never attempt to position . A properly functioning chain brake prevents the chain from rotating. ► If the chain brake fails to prevent the chain from the chain. The engine should spring back to position when released. 0458-788...
... without first depressing the throttle trigger lockout, take the chain saw chain while the engine is running. Stopping the Engine ► Start the engine, @ 14. ► Move the Master Control Lever to modify or disable the chain brake. Never attempt to position . A properly functioning chain brake prevents the chain from rotating. ► If the chain brake fails to prevent the chain from the chain. The engine should spring back to position when released. 0458-788...
Instruction Manual
Page 51
... with a resin solvent, such as STIHL Resin Remover and Lubricant. ► Clean the saw, @ 21.1. ► Clean the air filter, @ 21.3. ► Fill up the chain oil tank, @ 11.2. ► Store the saw indoors in a dry, secure place that cannot be accessed by the front handle with the guide bar pointing backwards, opposite the direction in a dry and secure location, out of the reach of...
... with a resin solvent, such as STIHL Resin Remover and Lubricant. ► Clean the saw, @ 21.1. ► Clean the air filter, @ 21.3. ► Fill up the chain oil tank, @ 11.2. ► Store the saw indoors in a dry, secure place that cannot be accessed by the front handle with the guide bar pointing backwards, opposite the direction in a dry and secure location, out of the reach of...
Instruction Manual
Page 56
... chain brake. Carry out only the maintenance operations described in the area with the greatest wear using the measuring tool on the file gauge (special accessory, not included). ► Replace the guide bar if the measured depth is damaged or shows signs of personal injury from unintended activation, shut off the engine and engage the chain brake. ► Remove the chain sprocket cover, saw or carrying out any maintenance, @ 8. STIHL...
... chain brake. Carry out only the maintenance operations described in the area with the greatest wear using the measuring tool on the file gauge (special accessory, not included). ► Replace the guide bar if the measured depth is damaged or shows signs of personal injury from unintended activation, shut off the engine and engage the chain brake. ► Remove the chain sprocket cover, saw or carrying out any maintenance, @ 8. STIHL...
Instruction Manual
Page 67
... required maintenance listed in a reasonable amount of "repair or replace as the carburetor and the ignition system. Any warranted part which is not scheduled for replacement as required maintenance, or which is purchased by STIHL Incorporated free of engine use from defects in order to the ultimate purchaser. STIHL Incorporated must warrant the emission control system on your warranty rights and responsibilities, please contact a STIHL customer service representative...
... required maintenance listed in a reasonable amount of "repair or replace as the carburetor and the ignition system. Any warranted part which is not scheduled for replacement as required maintenance, or which is purchased by STIHL Incorporated free of engine use from defects in order to the ultimate purchaser. STIHL Incorporated must warrant the emission control system on your warranty rights and responsibilities, please contact a STIHL customer service representative...
Instruction Manual
Page 68
... scheduled replacement point for that a warranted emissions part is tested as required maintenance will be free of fuel and oil may require shorter maintenance intervals. Mechanical diagnostic work shall be warranted for the period of time up to other services and adjustments necessary for required maintenance at any of the emission test. Magneto or Electronic Ignition System (Ignition Module or Electronic Control Unit) - Muffler - Throttle Housing (if...
... scheduled replacement point for that a warranted emissions part is tested as required maintenance will be free of fuel and oil may require shorter maintenance intervals. Mechanical diagnostic work shall be warranted for the period of time up to other services and adjustments necessary for required maintenance at any of the emission test. Magneto or Electronic Ignition System (Ignition Module or Electronic Control Unit) - Muffler - Throttle Housing (if...