Product Instruction Manual
Page 12
..., nails and the like. Your saw . When sawing, make sure that you do not have been strictly regulated by your STIHL servicing dealer only. 10 MS 311, MS 391 Warning! A modified or damaged muffler could damage the cutting attachment or AV system. In the event of an emergency, switch ...fire and burn injury, keep the area around the muffler clean. Such use and disposal of asbestos-containing products have control of the cylinder, spark plug) become hot during normal operation may also permanently damage the engine. The saw is released (flywheel effect). Warning! fins...
..., nails and the like. Your saw . When sawing, make sure that you do not have been strictly regulated by your STIHL servicing dealer only. 10 MS 311, MS 391 Warning! A modified or damaged muffler could damage the cutting attachment or AV system. In the event of an emergency, switch ...fire and burn injury, keep the area around the muffler clean. Such use and disposal of asbestos-containing products have control of the cylinder, spark plug) become hot during normal operation may also permanently damage the engine. The saw is released (flywheel effect). Warning! fins...
Product Instruction Manual
Page 13
.... English Kickback: Kickback may cause serious or fatal injury. These reactive forces may result in loss of the engine by a STIHL servicing dealer. Sudden surprise contributes to cut . pull-in the direction opposite to reduce the exhaust emissions of control, which is...a muffler with a damaged or improperly mounted cylinder shroud or a damaged/deformed muffler shell. An understanding of the causes of these screens will normally The powerful force used to reduce the risk of hot particles. pushback, - MS 311, MS 391 11 Reactive forces may occur any solid object...
.... English Kickback: Kickback may cause serious or fatal injury. These reactive forces may result in loss of the engine by a STIHL servicing dealer. Sudden surprise contributes to cut . pull-in the direction opposite to reduce the exhaust emissions of control, which is...a muffler with a damaged or improperly mounted cylinder shroud or a damaged/deformed muffler shell. An understanding of the causes of these screens will normally The powerful force used to reduce the risk of hot particles. pushback, - MS 311, MS 391 11 Reactive forces may occur any solid object...
Product Instruction Manual
Page 31
...way. Check operation of the position s (summer operation) The chain brake is subject to overheating 0001BA003 KN MS 311, MS 391 29 the chain must be free from around the cylinder and circulates around the carburetor - Chain brake maintenance Remove shroud N Move the Master Control lever to full...the position r (winter operation) - The chain brake will operate only if it serviced and maintained regularly by trained personnel, such as your STIHL servicing dealer, at idle speed, engage the chain brake (push hand guard toward bar nose). r facing upwards N Refit the shroud and ...
...way. Check operation of the position s (summer operation) The chain brake is subject to overheating 0001BA003 KN MS 311, MS 391 29 the chain must be free from around the cylinder and circulates around the carburetor - Chain brake maintenance Remove shroud N Move the Master Control lever to full...the position r (winter operation) - The chain brake will operate only if it serviced and maintained regularly by trained personnel, such as your STIHL servicing dealer, at idle speed, engage the chain brake (push hand guard toward bar nose). r facing upwards N Refit the shroud and ...
Product Instruction Manual
Page 44
... properly in a dry, high or locked location, out of the reach of children and other unauthorized persons. 42 MS 311, MS 391 N Run the engine until the carburetor is dry - pay special attention to turn of the rope from the fan... tighten the screws 213BA022 KN Storing the Machine For periods of injury! It must be possible to the cylinder fins and air filter. If not, the spring has been tensioned too tightly and may still be under...carburetor diaphragms sticking together. N If you use a biological chain and bar lubricant, e.g. STIHL BioPlus, completely fill the chain oil tank.
... properly in a dry, high or locked location, out of the reach of children and other unauthorized persons. 42 MS 311, MS 391 N Run the engine until the carburetor is dry - pay special attention to turn of the rope from the fan... tighten the screws 213BA022 KN Storing the Machine For periods of injury! It must be possible to the cylinder fins and air filter. If not, the spring has been tensioned too tightly and may still be under...carburetor diaphragms sticking together. N If you use a biological chain and bar lubricant, e.g. STIHL BioPlus, completely fill the chain oil tank.
Product Instruction Manual
Page 50
... 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 professional saws (3.4 kW or more) after 10 to...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" shutter and preheating port Clean (... Sparl arresting screen4) in all versions, market-specific X X X X X X X X X X 48 MS 311, MS 391
... 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 professional saws (3.4 kW or more) after 10 to...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" shutter and preheating port Clean (... Sparl arresting screen4) in all versions, market-specific X X X X X X X X X X 48 MS 311, MS 391
Product Instruction Manual
Page 53
...: 14.1 lbs. (6.4 kg) MS 391: 14.1 lbs. (6.4 kg) Cutting attachment Recommended cutting attachments in compliance with Sec. 5.11 of operating hours for which the engine has been shown to meet Federal emission requirements. Rollomatic E guide bars STIHL reduced kickback guide bars (with green label) Bar lengths...) Rapid Super Comfort 3 (36 RSC3) Pitch: 3/8" (9.32 mm) Drive link gauge: 0.050 in. (1.3 mm) or 0.063 in. (1.6 mm) MS 311, MS 391 51 Category A = 300 hours B = 125 hours C = 50 hours Engine STIHL single cylinder two-stroke engine MS 311 Displacement: 3.60 cu.
...: 14.1 lbs. (6.4 kg) MS 391: 14.1 lbs. (6.4 kg) Cutting attachment Recommended cutting attachments in compliance with Sec. 5.11 of operating hours for which the engine has been shown to meet Federal emission requirements. Rollomatic E guide bars STIHL reduced kickback guide bars (with green label) Bar lengths...) Rapid Super Comfort 3 (36 RSC3) Pitch: 3/8" (9.32 mm) Drive link gauge: 0.050 in. (1.3 mm) or 0.063 in. (1.6 mm) MS 311, MS 391 51 Category A = 300 hours B = 125 hours C = 50 hours Engine STIHL single cylinder two-stroke engine MS 311 Displacement: 3.60 cu.
Parts Diagram
Page 4
... screen (2,4) 1 Self-tapping screw M4x9.6 (2,4) 2 Spline screw IS-M5x16 1 Tube of sealant Dirko HT red (B) (1) MS 311, (2) MS 311-Z, (3) MS 391, (4) MS 391-Z MS 311, MS 391 4 SCS 01-2010 3.29 Drawing B Cylinder, Muffler Reference Item number 1 1140 020 1201 2 1140 020 1202 3 1140 030 2002 4 1140 034 3000 5 1122 ... 20 1135 145 9002 21 1140 140 8100 22 9039 448 0656 23 9022 341 0980 24 0783 830 2000 Qty Description 1 Cylinder with piston Ø 47 mm (1,2) ☐ 3 - 6 1 Cylinder with piston Ø 49 mm (3,4) ☐ 5 - 8 1 Piston Ø 47 mm (1,2) ☐ 4 - 6 2 ...
... screen (2,4) 1 Self-tapping screw M4x9.6 (2,4) 2 Spline screw IS-M5x16 1 Tube of sealant Dirko HT red (B) (1) MS 311, (2) MS 311-Z, (3) MS 391, (4) MS 391-Z MS 311, MS 391 4 SCS 01-2010 3.29 Drawing B Cylinder, Muffler Reference Item number 1 1140 020 1201 2 1140 020 1202 3 1140 030 2002 4 1140 034 3000 5 1122 ... 20 1135 145 9002 21 1140 140 8100 22 9039 448 0656 23 9022 341 0980 24 0783 830 2000 Qty Description 1 Cylinder with piston Ø 47 mm (1,2) ☐ 3 - 6 1 Cylinder with piston Ø 49 mm (3,4) ☐ 5 - 8 1 Piston Ø 47 mm (1,2) ☐ 4 - 6 2 ...