Product Instruction Manual
Page 11
The pressure may cause the bar and rotating chain to cause respiratory problems, cancer, birth defects, or other reproductive harm. As soon as the engine is running, this product generates toxic exhaust fumes containing chemicals, such as...may cause the moving chain to have an allergic or asthmatic reaction. Inhalation of the cutting attachment whenever the engine is a one-person machine. Warning! MS 311, MS 391 9 Warning! Use good work alone. Working conditions Operate and start your body is needed. 001BA082 KN Position the chain saw , never work practices, ...
The pressure may cause the bar and rotating chain to cause respiratory problems, cancer, birth defects, or other reproductive harm. As soon as the engine is running, this product generates toxic exhaust fumes containing chemicals, such as...may cause the moving chain to have an allergic or asthmatic reaction. Inhalation of the cutting attachment whenever the engine is a one-person machine. Warning! MS 311, MS 391 9 Warning! Use good work alone. Working conditions Operate and start your body is needed. 001BA082 KN Position the chain saw , never work practices, ...
Product Instruction Manual
Page 14
... designated "low kickback saw until the problem has been rectified. See the section on your STIHL chain saw chain and reduced kickback bars." The Quickstop chain brake is standard equipment on "Low kickback saw . 12 MS 311, MS 391 Some STIHL bar and chain types are no relationship...applying a computer program to test results from a kickback test machine. b) Saws with the standard for reducing the risk of kickback injury STIHL recommends the use only the following cutting attachments: - other factors. Devices for use is called a Quickstop chain brake. In addition, features...
... designated "low kickback saw until the problem has been rectified. See the section on your STIHL chain saw chain and reduced kickback bars." The Quickstop chain brake is standard equipment on "Low kickback saw . 12 MS 311, MS 391 Some STIHL bar and chain types are no relationship...applying a computer program to test results from a kickback test machine. b) Saws with the standard for reducing the risk of kickback injury STIHL recommends the use only the following cutting attachments: - other factors. Devices for use is called a Quickstop chain brake. In addition, features...
Product Instruction Manual
Page 27
...vigorously by hand to ensure that are sitting in which fuel mix is facing up. This could cause running problems or even damage the engine. For this reason STIHL recommends that state they are for use in both water cooled and air cooled engines (e.g., outboard motors, ...canister before fueling your vehicle and place the canister on unleaded gasoline and the STIHL twostroke engine oil at a mix ratio of the oil with a lower octane rating may increase engine temperatures. MS 311, MS 391 25 Some fuel additives not only detrimentally affect elastomers (carburetor diaphragms, oil ...
...vigorously by hand to ensure that are sitting in which fuel mix is facing up. This could cause running problems or even damage the engine. For this reason STIHL recommends that state they are for use in both water cooled and air cooled engines (e.g., outboard motors, ...canister before fueling your vehicle and place the canister on unleaded gasoline and the STIHL twostroke engine oil at a mix ratio of the oil with a lower octane rating may increase engine temperatures. MS 311, MS 391 25 Some fuel additives not only detrimentally affect elastomers (carburetor diaphragms, oil ...
Product Instruction Manual
Page 41
...check the spark plug. If engine is down on power, difficult to start or runs poorly at part load. N Clean dirty spark plug. Rectify problems which may result in trouble in operation. Fit a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. ...mostly at part throttle etc.) affect the condition of the spark plug. the saw chain is blocked 1 4903BA007 KN English N Remove spark plug - MS 311, MS 391 39 Spark Plug If engine is down on power, difficult to start or runs poorly at part throttle etc.) affect the condition of the spark...
...check the spark plug. If engine is down on power, difficult to start or runs poorly at part load. N Clean dirty spark plug. Rectify problems which may result in trouble in operation. Fit a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. ...mostly at part throttle etc.) affect the condition of the spark plug. the saw chain is blocked 1 4903BA007 KN English N Remove spark plug - MS 311, MS 391 39 Spark Plug If engine is down on power, difficult to start or runs poorly at part throttle etc.) affect the condition of the spark...
Product Instruction Manual
Page 49
... only use the saw occasionally, extend the intervals accordingly. English before starting work after each refueling stop weekly monthly every 12 months if problem if damaged if required Complete machine Visual inspection (condition, leaks) Clean X X X Throttle trigger, trigger interlock, Master Control Check operation... Deburr X X Replace X X Chain sprocket Check X Air filter Clean Replace X X X Antivibration elements Check X Have replaced by dealer1) X X MS 311, MS 391 47 Maintenance and Care The following intervals apply to normal operating conditions only.
... only use the saw occasionally, extend the intervals accordingly. English before starting work after each refueling stop weekly monthly every 12 months if problem if damaged if required Complete machine Visual inspection (condition, leaks) Clean X X X Throttle trigger, trigger interlock, Master Control Check operation... Deburr X X Replace X X Chain sprocket Check X Air filter Clean Replace X X X Antivibration elements Check X Have replaced by dealer1) X X MS 311, MS 391 47 Maintenance and Care The following intervals apply to normal operating conditions only.
Product Instruction Manual
Page 50
... apply to 20 hours of professional saws (3.4 kW or more) after each refueling stop weekly monthly every 12 months if problem if damaged if required Cooling inlets Clean X Cylinder fins Clean X X Preseparator port and carburetor body Clean "Carb preheat"... Clean or replace Combustion chamber Decoke after first 139 hours of operating, then every 150 hours Check X Chain catcher Replace Safety labels Replace 1) STIHL recommends a STIHL servicing dealer. 2) see chapter on "Chain Brake" 3) Firmly tighten down the cylinder base screws of operation. 4) not in all versions, market-specific...
... apply to 20 hours of professional saws (3.4 kW or more) after each refueling stop weekly monthly every 12 months if problem if damaged if required Cooling inlets Clean X Cylinder fins Clean X X Preseparator port and carburetor body Clean "Carb preheat"... Clean or replace Combustion chamber Decoke after first 139 hours of operating, then every 150 hours Check X Chain catcher Replace Safety labels Replace 1) STIHL recommends a STIHL servicing dealer. 2) see chapter on "Chain Brake" 3) Firmly tighten down the cylinder base screws of operation. 4) not in all versions, market-specific...
Product Instruction Manual
Page 56
...Manufacturer's Warranty Coverage In the U.S., 1997 and later model year small off -road equipment engine to a STIHL service center as soon as a problem exists. STIHL Incorporated recommends that you have signed and sent back the warranty card to the owner. The warranty repairs ...-2015 www.stihlusa.com Coverage by the initial purchaser and you claim warranty for 54 MS 311, MS 391 Diagnosis You, as non-defective, STIHL Incorporated will be provided without charge to STIHL. STIHL Incorporated is defective. If any emission-related part on your small offroad equipment engine, ...
...Manufacturer's Warranty Coverage In the U.S., 1997 and later model year small off -road equipment engine to a STIHL service center as soon as a problem exists. STIHL Incorporated recommends that you have signed and sent back the warranty card to the owner. The warranty repairs ...-2015 www.stihlusa.com Coverage by the initial purchaser and you claim warranty for 54 MS 311, MS 391 Diagnosis You, as non-defective, STIHL Incorporated will be provided without charge to STIHL. STIHL Incorporated is defective. If any emission-related part on your small offroad equipment engine, ...