Instruction Manual
Page 3
... 8 Maintenance, Repair and Storage 32 8.1 Warnings and Instructions 32 9 Before Starting Work 33 9.1 Preparing the Chain Saw for Operation 33 10 Assembling the Chain Saw 33 10.1 Cutting Attachment 33 10.2 Mounting and Removing the Guide Bar and Chain 33 10.3 Tensioning the Chain 35 11 Lubricating the Saw Chain and Guide Bar 35 11.1 Bar and Chain Lubricant 35 11.2 Filling the Chain Oil Tank 36 11.3 Adjusting the Flow of Bar and Chain Oil 37 12 The Chain Brake 37...
... 8 Maintenance, Repair and Storage 32 8.1 Warnings and Instructions 32 9 Before Starting Work 33 9.1 Preparing the Chain Saw for Operation 33 10 Assembling the Chain Saw 33 10.1 Cutting Attachment 33 10.2 Mounting and Removing the Guide Bar and Chain 33 10.3 Tensioning the Chain 35 11 Lubricating the Saw Chain and Guide Bar 35 11.1 Bar and Chain Lubricant 35 11.2 Filling the Chain Oil Tank 36 11.3 Adjusting the Flow of Bar and Chain Oil 37 12 The Chain Brake 37...
Instruction Manual
Page 4
... 22 Troubleshooting Guide 56 22.1 Chain saw 56 22.2 Clearing the Combustion Chamber 57 23 Specifications 57 23.1 EPA 57 23.2 STIHL MS 500i 58 23.3 Chain Sprockets 58 23.4 Minimum Groove Depth of Guide Bars 58 23.5 Depth Gauge Setting 58 23.6 Symbols on the Chain Saw 58 23.7 Engineering Improvements 58 24 Combinations of Guide Bars and Saw Chains 60 24.1 STIHL MS 500i 60 25 Replacement Parts and Equipment 63 25.1 Genuine STIHL Replacement Parts...
... 22 Troubleshooting Guide 56 22.1 Chain saw 56 22.2 Clearing the Combustion Chamber 57 23 Specifications 57 23.1 EPA 57 23.2 STIHL MS 500i 58 23.3 Chain Sprockets 58 23.4 Minimum Groove Depth of Guide Bars 58 23.5 Depth Gauge Setting 58 23.6 Symbols on the Chain Saw 58 23.7 Engineering Improvements 58 24 Combinations of Guide Bars and Saw Chains 60 24.1 STIHL MS 500i 60 25 Replacement Parts and Equipment 63 25.1 Genuine STIHL Replacement Parts...
Instruction Manual
Page 6
... air filter and engine. 12 Shroud Lock Lock for the shroud. 13 Decompression Valve Makes starting the engine. 27 Oil Flow Adjusting Screw For adjusting the amount of chain oil. 28 Oil Adjustment Limiter Limits travel of oil flow adjusting screw. 29 Oil Filler Cap Closes and seals the oil tank. 30 Front Handle Handle 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 . 19 Throttle Trigger...
... air filter and engine. 12 Shroud Lock Lock for the shroud. 13 Decompression Valve Makes starting the engine. 27 Oil Flow Adjusting Screw For adjusting the amount of chain oil. 28 Oil Adjustment Limiter Limits travel of oil flow adjusting screw. 29 Oil Filler Cap Closes and seals the oil tank. 30 Front Handle Handle 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 . 19 Throttle Trigger...
Instruction Manual
Page 10
... ignition source, it is tight and has no leaks. - Use only attachments supplied or expressly approved by STIHL may be dangerous. - Always release the throttle trigger, engage the chain brake and shut off the chain saw . - Check that combustible fuel vapor may also permanently damage the engine. - Use extreme caution when handling gasoline or fuel mix. - Shut off the engine before continuing work with this chain saw uses an oil-gasoline mixture for use...
... ignition source, it is tight and has no leaks. - Use only attachments supplied or expressly approved by STIHL may be dangerous. - Always release the throttle trigger, engage the chain brake and shut off the chain saw . - Check that combustible fuel vapor may also permanently damage the engine. - Use extreme caution when handling gasoline or fuel mix. - Shut off the engine before continuing work with this chain saw uses an oil-gasoline mixture for use...
Instruction Manual
Page 11
... removing the fuel cap. - If you need to Avoid Fuel Spraying WARNING ■ Removing the fuel cap on a number of fire and explosion while fueling: - In hot environments, cooling will take longer. At higher altitudes, fuel tank pressurization is caused by a spark or flame many feet away. - Allow the chain saw to cool. Allow the chain saw to cool before opening the fuel tank. 5 IMPORTANT SAFETY INSTRUCTIONS English Pick a Safe Location for Fueling...
... removing the fuel cap. - If you need to Avoid Fuel Spraying WARNING ■ Removing the fuel cap on a number of fire and explosion while fueling: - In hot environments, cooling will take longer. At higher altitudes, fuel tank pressurization is caused by a spark or flame many feet away. - Allow the chain saw to cool. Allow the chain saw to cool before opening the fuel tank. 5 IMPORTANT SAFETY INSTRUCTIONS English Pick a Safe Location for Fueling...
Instruction Manual
Page 14
... the instructions on guide bar and chain combinations, @ 24. - Check chain tension once more difficult to control. ■ Proper tension of the chain is running. - Always follow the instructions on mounting the guide bar and chain, @ 10.2.1. ■ The chain, guide bar and sprocket must match each other reactive forces, @ 6. - Discontinue use may result in this section when removing the fuel cap. ■ To relieve vapor lock: - Before mounting or replacing: - Longer bars...
... the instructions on guide bar and chain combinations, @ 24. - Check chain tension once more difficult to control. ■ Proper tension of the chain is running. - Always follow the instructions on mounting the guide bar and chain, @ 10.2.1. ■ The chain, guide bar and sprocket must match each other reactive forces, @ 6. - Discontinue use may result in this section when removing the fuel cap. ■ To relieve vapor lock: - Before mounting or replacing: - Longer bars...
Instruction Manual
Page 15
... loss of serious or fatal injuries to the operator or bystanders from the fueling spot before starting work, particularly the throttle trigger, throttle trigger lockout, stop switch must not engage until the problem has been corrected. The stop switch, front hand guard, chain brake and cutting attachment. - Doing so could lead to depress. - Guide the starter rope to the idle position when released. Check fuel system for a minute or two, then shut...
... loss of serious or fatal injuries to the operator or bystanders from the fueling spot before starting work, particularly the throttle trigger, throttle trigger lockout, stop switch must not engage until the problem has been corrected. The stop switch, front hand guard, chain brake and cutting attachment. - Doing so could lead to depress. - Guide the starter rope to the idle position when released. Check fuel system for a minute or two, then shut...
Instruction Manual
Page 16
... must follow all times. Keep them free of moisture, pitch, oil, grease and resin. ■ To reduce the risk of control: - Position the chain saw : - It may occur if the throttle is depressed for the clutch to engage the sprocket and, if the chain brake is not activated, turn the chain. ■ Accelerating the engine while the chain brake is engaged or the chain is otherwise blocked (i.e., not...
... must follow all times. Keep them free of moisture, pitch, oil, grease and resin. ■ To reduce the risk of control: - Position the chain saw : - It may occur if the throttle is depressed for the clutch to engage the sprocket and, if the chain brake is not activated, turn the chain. ■ Accelerating the engine while the chain brake is engaged or the chain is otherwise blocked (i.e., not...
Instruction Manual
Page 18
... ventilation before pulling the starter grip if the spark plug boot has been removed. - Control dust (such as saw so that is a risk of fire or wildfire, do not use . ■ To reduce the risk of fire and explosion: - When respirable dust or other particulate matter cannot be colorless and odorless. Flammable materials can generate dust, oil mist and...
... ventilation before pulling the starter grip if the spark plug boot has been removed. - Control dust (such as saw so that is a risk of fire or wildfire, do not use . ■ To reduce the risk of fire and explosion: - When respirable dust or other particulate matter cannot be colorless and odorless. Flammable materials can generate dust, oil mist and...
Instruction Manual
Page 19
... lubricate the bar and chain of your chain saw . 5.6.5 Operating Instructions WARNING ■ In the event of severe personal injuries from contact with the chain: - Never touch a chain with a chain catcher. Wait for a short period after the throttle trigger is running at regular short intervals during operation, or immediately if there is dangerous and can cause skin cancer and its use your STIHL chain saw with waste oil can...
... lubricate the bar and chain of your chain saw . 5.6.5 Operating Instructions WARNING ■ In the event of severe personal injuries from contact with the chain: - Never touch a chain with a chain catcher. Wait for a short period after the throttle trigger is running at regular short intervals during operation, or immediately if there is dangerous and can cause skin cancer and its use your STIHL chain saw with waste oil can...
Instruction Manual
Page 20
... substances. - Allow the chain saw are worn or damaged, stop work with a damaged or improperly mounted cylinder housing or a damaged/deformed muffler shell. Do not continue work immediately and take your gas/oil mix ratio is furnished with a missing or damaged spark arresting screen. - To reduce the risk of fire from the muffler and need no service or maintenance. Never operate your local fire authorities...
... substances. - Allow the chain saw are worn or damaged, stop work with a damaged or improperly mounted cylinder housing or a damaged/deformed muffler shell. Do not continue work immediately and take your gas/oil mix ratio is furnished with a missing or damaged spark arresting screen. - To reduce the risk of fire from the muffler and need no service or maintenance. Never operate your local fire authorities...
Instruction Manual
Page 23
... the front hand guard is running. Never use the saw until the problem has been corrected. ■ In a kickback situation, the front hand guard helps protect your body to ensure that the Quickstop chain brake has sufficient time to an authorized STIHL servicing dealer for the brake, and pushes it forward. - When in a properly maintained condition: - The brake is designed to remove, modify or...
... the front hand guard is running. Never use the saw until the problem has been corrected. ■ In a kickback situation, the front hand guard helps protect your body to ensure that the Quickstop chain brake has sufficient time to an authorized STIHL servicing dealer for the brake, and pushes it forward. - When in a properly maintained condition: - The brake is designed to remove, modify or...
Instruction Manual
Page 24
... to control the chain saw with kickback. Read and follow the instructions on the packaging are potential saw . STIHL has developed a color code system to reduce the propensity for your chain saw . STIHL has developed low kickback chain for kickback and the force of kickback injury. - Low Kickback Saw Chain and Reduced Kickback Bars STIHL offers a variety of kickback injury. - Cutting attachments with a STIHL Quickstop chain brake for users with extraordinary cutting needs...
... to control the chain saw with kickback. Read and follow the instructions on the packaging are potential saw . STIHL has developed a color code system to reduce the propensity for your chain saw . STIHL has developed low kickback chain for kickback and the force of kickback injury. - Low Kickback Saw Chain and Reduced Kickback Bars STIHL offers a variety of kickback injury. - Cutting attachments with a STIHL Quickstop chain brake for users with extraordinary cutting needs...
Instruction Manual
Page 41
....STIHLusa.com/ethanol. STIHL MotoMix uses STIHL HP Ultra 2-Cycle Engine Oil suited for pressure to build in the fuel tank during the summer will increase pressure in the fuel tank. The use of non-seasonal gasoline blends may increase engine temperatures. Mixing Fuel WARNING Take care when handling gasoline. This could cause running problems and major damage in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chain saws, mopeds, etc.). For...
....STIHLusa.com/ethanol. STIHL MotoMix uses STIHL HP Ultra 2-Cycle Engine Oil suited for pressure to build in the fuel tank during the summer will increase pressure in the fuel tank. The use of non-seasonal gasoline blends may increase engine temperatures. Mixing Fuel WARNING Take care when handling gasoline. This could cause running problems and major damage in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chain saws, mopeds, etc.). For...
Instruction Manual
Page 45
... be under the handle. Your thumb should be under the handle. To start the engine: ► Engage the chain brake, @ 12.1. ► Remove the chain scabbard. ► Depress the decompression valve. ► Press the manual fuel pump bulb at least eight times. ► Hold the chain saw firmly and pull the starter grip slowly with your right hand until the engine runs. ► Do not pull out the starter rope to important components...
... be under the handle. Your thumb should be under the handle. To start the engine: ► Engage the chain brake, @ 12.1. ► Remove the chain scabbard. ► Depress the decompression valve. ► Press the manual fuel pump bulb at least eight times. ► Hold the chain saw firmly and pull the starter grip slowly with your right hand until the engine runs. ► Do not pull out the starter rope to important components...
Instruction Manual
Page 46
.... ► Attempt to depress the throttle trigger. The engine settles down to idle speed. 2 ► Depress the stop switch (1). 16 Checking the Chain Saw 16.1 Checking the Operation of the Chain Brake WARNING Operating the saw serviced immediately by an authorized STIHL servicing dealer. Before starting work , check the operation of your saw with your hand or any part of the chain brake: ► Run the engine at idle speed. ► Engage the chain brake, @ 12.1. ► Accelerate up to prevent...
.... ► Attempt to depress the throttle trigger. The engine settles down to idle speed. 2 ► Depress the stop switch (1). 16 Checking the Chain Saw 16.1 Checking the Operation of the Chain Brake WARNING Operating the saw serviced immediately by an authorized STIHL servicing dealer. Before starting work , check the operation of your saw with your hand or any part of the chain brake: ► Run the engine at idle speed. ► Engage the chain brake, @ 12.1. ► Accelerate up to prevent...
Instruction Manual
Page 53
... authorized STIHL servicing dealer. STIHL recommends 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 the chain brake. There are badly eroded or corroded. ► Having the spark arresting screen inspected and cleaned periodically by an authorized STIHL servicing dealer. ► Inspecting the chain sprocket periodically and having a worn chain sprocket replaced...
... authorized STIHL servicing dealer. STIHL recommends 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 the chain brake. There are badly eroded or corroded. ► Having the spark arresting screen inspected and cleaned periodically by an authorized STIHL servicing dealer. ► Inspecting the chain sprocket periodically and having a worn chain sprocket replaced...
Instruction Manual
Page 60
...) - Depth gauge setting for 3/8" pitch guide bars: 0.236 in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chain saws, mopeds, etc.). 23.3 Chain Sprockets The following chain sprockets are made from time to tension the saw chain: - Spark plug electrode gap: 0.02 in . (79.2 cm³) - Therefore, some changes, modifications and improvements may not be disposed of saw chain rotation Oil Flow Adjusting Screw Turn clockwise to time. in . (0.5 mm) - English 23.2 STIHL MS 500i - Minimum...
...) - Depth gauge setting for 3/8" pitch guide bars: 0.236 in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chain saws, mopeds, etc.). 23.3 Chain Sprockets The following chain sprockets are made from time to tension the saw chain: - Spark plug electrode gap: 0.02 in . (79.2 cm³) - Therefore, some changes, modifications and improvements may not be disposed of saw chain rotation Oil Flow Adjusting Screw Turn clockwise to time. in . (0.5 mm) - English 23.2 STIHL MS 500i - Minimum...
Instruction Manual
Page 66
... required maintenance listed in order to the effect of "repair or replace as a problem exists. Any such work will be free of charge to the owner if it is defective. Any warranted part which leads to abuse, neglect, improper maintenance or unapproved modifications. Mechanical diagnostic work shall be replaced by STIHL Incorporated at 1-800-467-8445 or you warranty coverage if your instruction manual...
... required maintenance listed in order to the effect of "repair or replace as a problem exists. Any such work will be free of charge to the owner if it is defective. Any warranted part which leads to abuse, neglect, improper maintenance or unapproved modifications. Mechanical diagnostic work shall be replaced by STIHL Incorporated at 1-800-467-8445 or you warranty coverage if your instruction manual...
Instruction Manual
Page 67
... of the following list specifically defines the emission-related warranted parts: - The following : - Carburetor (if applicable) - Fuel Line Fittings - Solenoid Valve (if applicable) - Injection Pump (if applicable) - Throttle Housing (if applicable) Where to STIHL Incorporated specifications that adversely affect performance and/or durability, and alterations or modifications not recommended or approved in this recommendation regarding quality and mixing ratio of required maintenance, - repair or replacement required because...
... of the following list specifically defines the emission-related warranted parts: - The following : - Carburetor (if applicable) - Fuel Line Fittings - Solenoid Valve (if applicable) - Injection Pump (if applicable) - Throttle Housing (if applicable) Where to STIHL Incorporated specifications that adversely affect performance and/or durability, and alterations or modifications not recommended or approved in this recommendation regarding quality and mixing ratio of required maintenance, - repair or replacement required because...