STIHL MS 194 T 2 - 26 Instruction Manual
English Guide to Using this Manual 2.1 Symbols used with warnings in the text WARNING ■ This symbol indicates dangers that can cause serious injuries or death. ► The measures indicated can avoid serious injuries or death. NOTICE ■ This symbol indicates dangers that can cause damage to property. ► The measures indicated can avoid damage to property. 2.2 3 Symbols in Text This symbol refers to a chapter in this instruction manual. Overview 3.
Overview 2 Top Handle For operating, holding, controlling and carry‐ ing the chainsaw. 3 Spiked Bumper Toothed stop for holding saw steady against wood while cutting. 4 Guide Bar Supports and guides the saw chain. 5 Saw Chain Cuts the wood. 6 Tensioning Screw Adjusts chain tension. 7 Chain Sprocket Toothed wheel that drives the chain. 8 Muffler with Spark Arresting Screen Reduces chainsaw noise emissions. 9 Chain Sprocket Cover Covers the chain sprocket and secures the guide bar to the chainsaw.
English 4 4.1 4 Safety Precautions Safety Precautions Warning Symbols Meanings of warning signs on the chainsaw: Observe safety notices and take the necessary precautions. Read, understand and save the instruction manual. Wear safety glasses, hearing protec‐ tion and a hard hat. Wear long trousers with cut-retardant inserts and cut-retardant sleeves on both arms. Hold the saw firmly with both hands. Observe safety notices on kickback and take the necessary precautions.
4 Safety Precautions English ■ Noise is generated during operation. Noise can damage your hearing. ► Wear ear protection. ► Make sure that children cannot play with the chainsaw. ■ Hot exhaust gas is emitted through the muffler while the engine is running. Hot exhaust gas can ignite easily flammable materials and cause a fire. ■ Falling objects can cause head injuries. ► Keep exhaust gas well away from easily ► If objects are likely to fall while work‐ flammable materials. ing: wear a hard hat. 4.
English ► Mount the guide bar and saw chain as described in this User Manual. ► Attach accessories as described in this User Manual or in the User Manual for the accessories. ► Never insert objects in the chainsaw’s openings. ► Replace worn or damaged labels. ► If you have any doubts, be sure to consult a STIHL dealer. 4.6.2 Guide Bar The guide bar is in a safe condition if the follow‐ ing points are observed: – Guide bar is not damaged. – Guide bar is not deformed.
4 Safety Precautions ■ Fuel, gasoline or two-stroke engine oil can cause irritation if they come into direct contact with the skin or eyes. ► Avoid contact with fuel, gasoline and twostroke engine oil. ► In case of contact with the skin: Wash affected areas with plenty of water and soap. ► In case of contact with the eyes: Rinse eyes with plenty of water for at least 15 minutes and seek medical advice. ■ The saw’s ignition system produces sparks.
English ■ ■ ■ ► Check oil level in tank regularly during cut‐ ting work. Before the oil tank runs empty: Fill up with chain oil. ► Check chain tension regularly during cutting work. If chain tension is insufficient: Ten‐ sion the chain. If the behavior of the saw changes during operation or feels unusual, it may no longer be in a safe condition. This can result in serious injuries and damage to property. ► Stop work and contact your STIHL dealer for assistance. Saw vibrations may occur during operation.
4 Safety Precautions English ► Use the working techniques described in this instruction manual. ► Do not cut with the upper quadrant of the bar nose. ► Always cut with a properly sharpened and tensioned saw chain. ► Use a reduced kickback saw chain. ► Use a guide bar with a narrow radius nose. ► Always cut with the chain running at full speed. Pull-in 4.10 Transporting WARNING 0000-GXX-1348-A0 4.9.2 be abruptly pushed back toward the operator.
English Cleaning, Maintenance and Repair 5 5.1 ► ► ► ► ► ► ► ► ► 6 Assembling the Saw 6.1 Mounting and Removing the Bar and Chain 6.1.1 Mounting the bar and chain The bar and chain combinations that can be used with the chain sprocket are listed in the specifications, 20.1. ► Shut off the engine and engage the chain brake. 3 2 4 1 ► Rotate the nut (1) counterclockwise until the chain sprocket cover (2) can be removed. ► Remove the chain sprocket cover (2).
6 Assembling the Saw English ► Fit the guide bar and chain on the saw and check the following points: – Collar stud (5) is located in slot in tail of guide bar (6). – Peg of tensioner slide (4) engages hole (8) in guide bar (6). The guide bar (6) may be either way round. The logo on the guide bar (6) may also be upside down. 6.2 Tensioning the Saw Chain The saw chain expands or contracts during cut‐ ting work. Chain tension changes as a result.
English 7 Engaging and Disengaging the Chain Brake ► Turn the oil tank cap counterclockwise as far as it will go. ► Remove the oil tank cap. ► Fill up with saw chain oil, taking care not to spill any oil and not to overfill the tank. ► If the grip on the oil tank cap has dropped into the closed position: Raise the grip until it is vertical. 7 7.1 Engaging and Disengaging the Chain Brake Engaging the Chain Brake The saw is equipped with a chain brake.
8 Mixing Fuel and Refueling the Chainsaw English 8.2 Fueling the Saw ► Shut off the engine and engage the chain brake. ► Allow chainsaw to cool down. ► Place your chainsaw on a level surface so that the fuel tank cap faces up. ► Use a damp cloth to clean the tank cap and the area around it. ► Swing the grip on the fuel tank cap to the verti‐ cal position. ► Turn the fuel tank cap about 1/8 of a turn counterclockwise. If the fuel tank is under pressure, you will hear pressure being released.
English B C 2 0000-GXX-3136-A1 1 9 Starting and Stopping the Engine 9.1 Selecting the correct starting procedure 0000-GXX-7581-A0 ► Press the cap down and rotate it clockwise as far as stop. ► Press the cap down and rotate it counterclock‐ wise until mark (1) points to mark (2). ► Now try again to close the fuel tank. ► If the fuel tank still cannot be closed properly: Do not use the chainsaw and contact a STIHL dealer for assistance. The chainsaw is not in a safe condition.
10 Checking the Saw English 9.4 ► Move the Master Control lever (2) to posi‐ tion . Stopping the engine 1 0000-GXX-7581-A0 3 ► Stand the saw on a level surface. ► Hold the trimmer firmly with your right hand on the top handle – wrap your thumb around the handle. ► Press the saw against the ground with your right hand. ► Hold the saw steady with your right knee on the shroud. ► Pull the starter grip slowly with your left hand until you feel it engage.
English 10 Checking the Saw ► Measure depth of bar groove with scale on STIHL filing gauge. ► Install a new guide bar if one of the following points applies: – Guide bar is damaged. – Measured bar groove depth is less than specified minimum depth, 19.3. – Bar groove is pinched or splayed. ► If you have any queries: Contact your STIHL servicing dealer for assistance. 10.3 WARNING ■ The chain's cutters are very sharp. There is a risk of cut injuries. ► Wear work gloves made of durable mate‐ rial.
11 Operating the Saw 11 11.1 English Operating the Saw Adjusting Carburetor for Opera‐ tion at High Altitude If you use the chainsaw at high altitude, the engine will not deliver optimum power. The car‐ buretor setting can be adjusted to obtain opti‐ mum engine power. ► Start the engine and disengage the chain brake. ► Warm up the engine by opening and closing the throttle for about 1 minute. NOTICE ■ Engine power may drop noticeably when the chainsaw is subsequently used at tempera‐ tures above –10°C.
English 11.6 Cutting 11.6.1 WARNING Felling Basic information on felling cut ■ If kickback occurs, the saw can be thrown up in the direction of the operator. This can result in serious or fatal injuries. ► Always cut with the chain running at full speed. ► Do not cut with the upper quadrant of the bar nose. A B C 0000-GXX-A332-A0 11.4 11 Operating the Saw B ► Begin the cut with the chain running at full speed and keep the guide bar vertical.
12 After Finishing Work English After Finishing Work 12.1 After Finishing Work Transporting 13.1 Cleaning 15.1 ► Shut off the engine and engage the chain brake. ► Allow chainsaw to cool down. ► If the saw is wet: Allow the saw to dry. ► Clean the saw. ► Clean the air filter. ► Clean the bar and chain. ► Loosen nut on the chain sprocket cover. ► Turn the tensioning screw two full turns coun‐ terclockwise. The chain is now slack. ► Tighten down the nut on the chain sprocket cover.
English 15 Cleaning ► Clean the saw chain with a soft brush or STIHL resin solvent. ► Mount the bar and chain. Cleaning the Spark Plug ► Shut off the engine and engage the chain brake. ► Allow the chainsaw to cool down. 1 2 0000-GXX-7590-A0 0000-GXX-7589-A0 3 2 ► Rotate the shroud lock (1) a half turn counter‐ clockwise. ► Remove the shroud (2). ► Remove the air filter (3). ► Knock out the filter (3). ► Clean the filter (3) with a soft brush. ► If the filter (3) is damaged.
16 Maintenance English 1 Monthly ► Have the oil tank cleaned by a STIHL dealer. ► Have the fuel tank cleaned by a STIHL dealer. ► Have the pickup body in the fuel tank cleaned by a STIHL dealer. 3 0000-GXX-7594-A0 0000-GXX-7589-A0 2 ► Rotate the shroud lock (1) a half turn counter‐ clockwise. ► Remove the shroud (2). ► Remove the air filter (3). ► Knock out the filter (3). ► If the filter (3) is damaged. Install a new filter (3). ► Blow out the filter with compressed air from the clean air side.
English 17 Repairing 0000-GXX-1220-A1 and parallel to the service mark. The STIHL fil‐ ing gauge must match the chain pitch. ► If you have any queries: Contact your STIHL servicing dealer for assistance. ► File down the depth gauges with a flat file so that they are level with the STIHL filing gauge 18 18.1 Troubleshooting 17 17.1 Repairing Repairing the Chain Saw, Guide Bar and Saw Chain The chain saw, guide bar and saw chain cannot be repaired by the user.
18 Troubleshooting Condition Smoke or burning smell while cutting. Cause Chain is not properly sharpened. Insufficient chain oil in the tank. Chain lubrication sys‐ tem is supplying insufficient chain oil. The chain is over-ten‐ sioned. Chainsaw is not being used properly. Remedy ► Sharpen the chain properly. ► Fill up with chain oil. ► Do not use the chainsaw and contact your STIHL servicing dealer for assistance. ► Tension the chain properly. ► Have correct use explained, then practice.
English 19 Specifications ► Fit the cover (2) in position. ► Insert and tighten down the screw (1) firmly. WARNING ■ Unconfined sparks may occur if the starter grip is pulled after the spark plug boot has been removed. Sparks may cause a fire or an explosion in an easily combustible or explo‐ sive environment. This can result in serious or fatal injuries and damage to property. ► Move the Master Control lever to posi‐ and hold it there before pulling the tion starter grip.
20 Bar and Chain Combinations English For information on compliance with Employers' Vibration Directive 2002/44/EC see www.stihl.com/vib. 19.5 REACH REACH is an EC regulation and stands for the Registration, Evaluation, Authorisation and Restriction of Chemical substances. For information on compliance with the REACH regulation see www.stihl.com/reach. 19.
English 23 23 EC Declaration of Conformity EC Declaration of Con‐ formity 23.1 STIHL MS 194 T Chainsaw ANDREAS STIHL AG & Co. KG Badstraße 115 D-71336 Waiblingen Germany declares under our sole responsibility that – Category: chainsaw – Manufacturer's brand: STIHL – Model: MS 194 T – serial number: 1137 – Displacement: 31.
23 EC Declaration of Conformity 0458-568-8321-B English 27
0458-568-8321-B *04585688321B* www.stihl.