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0458-729-8621-A

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English 

6 IMPORTANT SAFETY INSTRUCTIONS

– Position the power supply cord and extension cord 

so that they will not be damaged while working with 

the saw.

– Always keep the power supply cord and extension 

cord behind the operator and away from the bar and 

chain. Always be sure that your cable does not 

become entangled with obstacles or objects.

■ Operating the chain saw with one hand is extremely 

dangerous. One-handed operation makes it difficult to 

oppose and absorb reactive forces (pushback, pull-in, 

kickback) without losing control of the chain saw. It also 

makes it difficult to prevent the bar and chain from skating 

or bouncing along a limb or log. To reduce the risk of 

serious or fatal injury to the operator or bystanders from 

loss of control:

■ To reduce the risk of serious or fatal cut injuries to the 

operator or bystanders from loss of control, keep proper 

footing and balance at all times:

– Do not work in wet grass or terrain.
– Take special care in overgrown terrain and always 

watch for hidden obstacles such as tree stumps, 

roots, rocks, holes and ditches to avoid stumbling.

– Know where the power supply cord and extension 

cord are at all times to avoid tripping or stumbling.

– Be extremely cautious when working on slopes or 

uneven ground.

– For better footing, always clear away fallen 

branches, scrub and cuttings. Freshly debarked logs 

and other material can increase the danger of 

slipping, tripping or falling.

– Use extreme caution when cutting small-size brush, 

branches and saplings because slender material 

may catch the saw chain and spring toward you or 

pull you off balance.

■ To reduce the risk of injury from loss of control:

– Do not overreach.
– Never attempt to switch on the chain saw when the 

guide bar is in a cut or kerf. Doing so could lead to 

reactive forces and injury.

■ The bumper spike is designed to provide greater control 

of the chain saw while cutting. If you work without the 

bumper spike, the chain saw may pull you forward 

suddenly. This could cause loss of control or, if the tip 

strikes an object, kickback.

– Always work with the bumper spike to maintain 

better control of the saw.

■ Applying pressure to the chain saw when reaching the end 

of a cut may cause the bar and rotating saw chain to 

accelerate out of the kerf, go out of control and strike the 

operator or some other object. To reduce the risk of injury:

– Use caution when approaching the end of a cut.
– Never put pressure on the chain saw when reaching 

the end of a cut.

– STIHL recommends that first-time chain saw users 

cut logs on a sawhorse.

6.6.3 Working Conditions

WARNING

■ Operate your chain saw only under good visibility during 

favorable daylight conditions.

– Postpone the work if the weather is windy, foggy, 

rainy or inclement.

– Never cut near power lines.

– Never use the chain saw with one hand.

– Never work on a ladder, on a roof, in a 

tree or while standing on any other 

insecure support.

– Never operate the chain saw above 

shoulder height.

0000-GXX-1889-A0

Summary of Contents for MSE 141 C

Page 1: ...como resultado de un culatazo utilice la barra y la cadena de contragolpe reducido de la forma especificada en este manual o de otros componentes reductores de contragolpe WARNING Read Instruction Ma...

Page 2: ...Instruction Manual 1 51 Manual de instrucciones 52 108...

Page 3: ...Other Reactive Forces 17 7 1 Reactive Forces 17 7 2 Kickback 17 7 3 Pull in 22 7 4 Pushback 22 8 Proper Techniques for Basic Bucking Limbing Pruning and Felling 23 8 1 Intended Uses 23 8 2 Bucking 23...

Page 4: ...41 20 2 Inspecting and Maintaining the Chain Saw 41 20 3 Inspecting and Maintaining the Chain Sprocket 42 20 4 Inspecting and Maintaining the Guide Bar 42 20 5 Inspecting Maintaining and Sharpening th...

Page 5: ...components 2 2 Symbols in Text The following symbol is included to assist you with the use of the manual 3 1 Chain Saw 1 Rear Hand Guard Helps protect the operator s right hand in the event the chain...

Page 6: ...ch until depressed 15 Trigger Switch Switches the motor on and off 16 Rear Handle Handle for the operator s right hand 17 Oil Sight Glass Shows the bar and chain oil level 18 Power Supply Cord Supplie...

Page 7: ...ur body is earthed or grounded c Do not expose power tools to rain or wet conditions Water entering a power tool will increase the risk of electric shock d Do not abuse the cord Never use the cord for...

Page 8: ...ols out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool Power tools are dangerous in the hands of untrained users e Mai...

Page 9: ...materials Use of the chain saw for operations different than intended could result in a hazardous situation 5 8 Causes and Operator Prevention of Kickback a Kickback may occur when the nose or tip of...

Page 10: ...strenuous work Do not operate the chain saw while under the influence of any substance drug alcohol or medication etc that might impair vision balance dexterity or judgment Be alert Do not operate th...

Page 11: ...rush or the moving saw chain To reduce the risk of eye injury To reduce the risk of injury to your face STIHL recommends that you also wear a face shield or face screen over your goggles or protective...

Page 12: ...or cutting large diameter logs Read and follow the operating instructions in this manual for approved applications 8 To reduce the risk of personal injury to the operator and bystanders Always release...

Page 13: ...k of electric shock Use only extension cords that are intended for outdoor use identified in the U S by the following marking Suitable for use with outdoor appliances Store indoors while not in use Th...

Page 14: ...inute or two then switch the motor off and engage the chain brake Disconnect the chain saw from the power supply and recheck chain tension Check saw chain tension periodically thereafter at regular in...

Page 15: ...follow the instructions on switching on the chain saw 14 1 Be sure that the guide bar and saw chain are clear of you and all other obstructions and objects including the ground Never attempt to switc...

Page 16: ...al can increase the danger of slipping tripping or falling Use extreme caution when cutting small size brush branches and saplings because slender material may catch the saw chain and spring toward yo...

Page 17: ...llen can cause susceptible persons to have an allergic or asthmatic reaction Substantial or repeated inhalation of dust or other airborne contaminants especially those with a smaller particle size may...

Page 18: ...uch as nails spikes cables or wires Before starting a cut ensure that it can be completed without contacting surrounding objects or structures such as fencing or stonework If the rotating saw chain st...

Page 19: ...ck WARNING When this occurs the energy driving the saw chain can create a force that moves the chain saw in a direction opposite to the saw chain movement at the point where the saw chain is slowed or...

Page 20: ...m a kickback test machine WARNING Compliance with the chain saw kickback standards does not mean that the bar and saw chain will rotate at most 45 in a real life kickback The computer derived angles o...

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