STIHL MSE 141 C 2 - 25 Instruction Manual
English 1 2 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.
4 Safety Precautions 3 Chain Catcher Reduces risk of operator contact with the chain if it comes off the bar or breaks. 4 Nut Secures chain sprocket cover to chainsaw. 5 Chain sprocket Toothed wheel that drives the chain. English 3.2 The hand guard disengages the chain brake in this position. 6 Tensioning Screw Adjusts chain tension. The hand guard engages the chain brake in this position.
English 4 Safety Precautions The use of this chainsaw for limbing (removing branches) and felling is limited because its range of movement is restricted by the connecting and extension cables. WARNING ■ Using the chainsaw for purposes for which it is not designed may result in serious or fatal inju‐ ries and damage to property. ► Use the chainsaw with an extension cable. ► Use the chainsaw as described in this instruction manual. 4.
4 Safety Precautions ► Wear chainsaw boots with cut retardant inserts. 4.5 Work Area and Surroundings WARNING ■ Bystanders, children and animals are not aware of the dangers of the chainsaw or thrown objects. Bystanders, children and ani‐ mals may be seriously injured and damage to property may occur. ► Keep bystanders, children and animals away from the work area. ► Do not leave the chainsaw unattended. ► Make sure that children cannot play with the chainsaw. ■ The saw is not waterproof.
English 4 Safety Precautions ■ WARNING ■ If components do not comply with safety requirements, they will no longer function properly and safety devices may be rendered inoperative. This can result in serious or fatal injuries. ► Work only with an undamaged saw chain. ► Sharpen the chain properly. ► If you have any queries: Contact your STIHL servicing dealer for assistance. 4.7 Working 4.7.1 Sawing WARNING ■ Always work within calling distance of others ► in case help is needed.
4 Safety Precautions Felling WARNING ■ Inexperienced users cannot assess the dan‐ gers of felling a tree. This can result in serious or fatal injuries and damage to property. ► If you have any queries: Do not fell the tree yourself. ■ A tree and branches can fall on bystanders or objects during the felling operation. This can result in serious or fatal injuries and damage to property. ► Determine direction of fall so that the area in which the tree falls is clear.
English 4 Safety Precautions ► 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 0000-GXX-1348-A0 4.8.2 The saw is pulled away from the operator when the bottom of the bar is used for cutting. WARNING ■ If the rotating chain makes contact with a hard object and is suddenly pinched, the saw is abruptly jerked away from the operator.
4 Safety Precautions ► Connect each saw to a separate wall outlet. ► Do not connect saws to multiple sockets. ■ A carelessly laid connecting or extension cable can be damaged and cause others to trip or fall. This can result in injuries and may damage the connecting cable or extension cable. ► Position the connecting and extension cables so that there is no risk of contact with the rotating chain. ► Position and mark connecting cable and extension cable so they do not represent a trip hazard.
English 3 Perform the following steps before starting work: ► Make sure the following components are in a safe condition: – Chain saw and connecting cable, 4.6.1. – Guide bar, 4.6.2. – Saw chain, 4.6.3. ► Clean the saw, 14.1. ► Mount the bar and chain, 6.1.1. ► Tension the saw chain, 6.2. ► Fill up with chain oil, 6.3. ► Connect saw’s plug to an extension cable and the extension cable’s plug to a convenient wall outlet. ► Check the chain brake, 9.4. ► Check the controls, 9.5. ► Check chain lubrication, 9.
6 Assembling the Saw English ► ► 0000-GXX-2112-A0 3 ► Turn the tensioning screw (3) clockwise until the chain fits snugly against the bar. Make sure the drive link tangs engage the bar groove. The guide bar and chain are seated against the saw. ► Fit the sprocket cover (2) so that it is flush with the saw. ► Fit and tighten down the nut (1). 6.1.2 Removing the Bar and Chain ► Switch off the saw, engage the chain brake and disconnect the extension cable’s plug from the wall outlet. ► Unscrew the nut.
English 7.1 Engaging and Disengaging the Chain Brake Engaging the Chain Brake 1 The saw is equipped with a chain brake. 2 The chain brake is activated by the inertia of the front hand guard if the kickback force is high enough or can be engaged by the operator. 0000-GXX-2110-A0 0000-GXX-2121-A0 7 7 Engaging and Disengaging the Chain Brake ► Depress the lockout button (1) with your thumb and hold it there. ► Pull the trigger (2) with your index finger and hold it there.
English 0000-GXX-1217-A0 9 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 depth is less than specified minimum depth, 18.4. – Bar groove is pinched or splayed. ► If you have any queries: Contact your STIHL servicing dealer. 9.3 9.4 WARNING ■ The chain's cutters are very sharp. There is a risk of cut injuries. ► Wear work gloves made of durable mate‐ rial.
English 10 Operating the Saw ► If the chain continues to rotate: Engage the chain brake, disconnect extension cable’s plug from the wall outlet and contact your STIHL servicing dealer. Your saw has a malfunction. 9.6 Checking Chain Lubrication 10.2 Cutting WARNING ■ If kickback occurs, the saw can be thrown up in the direction of the operator. This may 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.
10 Operating the Saw English ► If the limb is under tension: Make the relieving cut (1) at the compression side and then per‐ form bucking cut (2) from the tension side. Felling Determining direction of fall and escape path ► Determine direction of fall so that the area in which the tree falls is clear. 0000-GXX-1249-A0 10.4.1 ► Observe the following points when planning escape path (B): – Escape path (B) at an angle of 45° to direc‐ tion of fall (A). – No obstacles on the escape path (B).
English 10 Operating the Saw F Stabilizing strap The stabilizing strap supports the tree and helps prevent it from falling prematurely. The width of the stabilizing strap is 1/10 to 1/5 of the trunk diameter. G Holding strap The holding strap supports the tree and helps prevent it from falling prematurely. The width of the holding strap is 1/10 to 1/5 of the trunk diameter. 10.4.5 Plunge cutting Plunge cutting is a technique required for felling.
10 Operating the Saw English ► With outstretched arms, cut through the stabi‐ lizing strap horizontally from outside at the same level as the felling cut. The tree falls. 10.4.8 Felling normal, large diameter tree 10.4.9 Felling a small diameter leaner A leaner is felled with a felling cut and holding strap. This felling cut must be performed if the tree diameter is less than the guide bar’s length. ► Shout a warning. A normal tree is felled with a felling cut and stabi‐ lizing strap.
English 11 After Finishing Work Enlarge felling cut in direction of hinge. Enlarge felling cut in direction of holding strap. Move to the other side of the tree. Apply the spiked bumper behind the hinge at the same height as the felling cut and use it as a pivot. ► Hold the saw horizontally and swing it into the felling cut as far as possible. ► Enlarge felling cut in direction of hinge. ► Enlarge felling cut in direction of holding strap. 0000-GXX-1261-A0 ► ► ► ► ► Shout a warning.
14 Cleaning 14 English Cleaning 14.1 ► Have the oil tank cleaned by a STIHL servic‐ ing dealer. Cleaning the chainsaw ► Switch off the saw, engage the chain brake and disconnect the extension cord’s plug from the wall outlet. ► Clean the chainsaw with a damp cloth or STIHL resin solvent. ► Clean vents with a paintbrush. ► Remove the chain sprocket cover. ► Clean the area around the chain sprocket with a damp cloth or STIHL resin solvent. ► Fit the chain sprocket cover. 14.
English 16 Repairing ► File down the depth gauges with a flat file so that they are level with the STIHL filing gauge 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. 16 16.1 ► If the saw, guide bar or saw chain is damaged: Do not use your saw, guide bar or saw chain, and contact your STIHL servicing dealer.
18 Specifications Condition English Cause Chain lubrication system is supplying insufficient chain oil. Chainsaw is not being used properly. 18 18.1 Specifications STIHL MSE 141 C Chainsaw Rated voltage: see rating label Frequency: see rating label Fuse: 16 A Power consumption: 1400 W Weight without guide bar and saw chain: 4.1 kg – Max. oil tank capacity: 215 cc (0.
English 19 19 Bar and Chain Combinations Bar and Chain Combinations 19.1 STIHL MSE 141 C Chainsaw Pitch Drive link Length Guide bar Nose Number of Saw chain gauge/groove sprocket drive links width teeth 25 cm 56 71 PM3 (Type 30 cm Rollomatic E Mini 64 1/4" P 1.1 mm 8 3670) 35 cm 72 30 cm 44 61 PMM3 (Type 35 cm Rollomatic E Mini 50 3/8" P 1.1 mm 7 3610) 40 cm 55 The cutting length of a guide bar depends on the chainsaw and the saw chain being used.
General Power Tool Safety Warnings 23 23.1 General Power Tool Safety Warnings Introduction This chapter This chapter reproduces the pre-for‐ mulated, general safety warnings in the EN/IEC 60745 standard (for China only: GB 3883.1) for hand-held motor-operated electric power tools. STIHL is obliged to publish these texts. WARNING ■ Read all the safety precautions, instructions, illustrations and specifications accompanying this electric power tool.
English 23.5 23 General Power Tool Safety Warnings Power tool use and care a) Do not force the power tool. Use the correct power tool for your application. The correct power tool will do the job better and safer at the rate for which it was designed. b) Do not use the power tool if the switch does not turn it on and off. Any power tool that can‐ not be controlled with the switch is dangerous and must be repaired.
23 General Power Tool Safety Warnings j) Follow instructions for lubricating, chain ten‐ sioning and changing the bar and chain. Improperly tensioned or lubricated chain may either break or increase the chance for kick‐ back. English – Follow the manufacturer's sharpening and maintenance instructions for the saw chain. Decreasing the depth gauge height can lead to increased kickback. k) Cut wood only. Do not use chain saw for pur‐ poses not intended.
English 26 23 General Power Tool Safety Warnings 0458-729-0121-B
23 General Power Tool Safety Warnings 0458-729-0121-B English 27
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