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0458-716-8621-E

14

English 

6 IMPORTANT SAFETY INSTRUCTIONS

– Ensure that the trigger switch and trigger switch 

lockout move freely and always spring back to the 

locked position when released. The trigger switch 

must not engage until the trigger switch lockout is 

depressed.

– Never attempt to modify or override the controls or 

safety devices in any way.

– If your saw or any part is damaged or does not 

function properly, take it to your authorized STIHL 

servicing dealer. Do not use the saw until the 

problem has been corrected.

■ Before inserting the battery:

– Check the contacts in the battery compartment for 

corrosion or other foreign matter and keep clean.

– Never insert or use a malfunctioning, damaged, 

cracked, leaking or deformed battery.

– Read and follow the instructions on switching on the 

chain saw, 

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18.1.

■ To help reduce the risk of serious personal injury or death 

from unintentional starting:

– Be sure the trigger switch and trigger switch lockout 

are in the off position when inserting the battery.

– Avoid contacting the trigger switch lockout and 

trigger switch when grasping the rear handle of the 

chain saw.

– Release the trigger switch and trigger switch lockout 

and engage the chain brake before removing the 

battery.

– Never leave the chain saw unattended when the 

battery is inserted.

– Never store the battery in the chain saw.

■ Before disengaging the chain brake and switching on your 

chain saw, take the following steps to reduce the risk of 

personal injury from reactive forces, loss of control or 

inadvertent contact with the saw chain:

– 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 switch on the chain saw when the 

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

reactive forces and injury.

– Read and follow the instructions on switching on the 

chain saw, 

@

18.1.

6.5.2 Holding and Controlling the Chain Saw

WARNING

– Remove the battery and engage the 

chain brake before assembling, 

transporting, adjusting, inspecting, 

cleaning, servicing, maintaining or 

storing the chain saw and any time it is 

not in use.

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0000-GXX-4945-A0

Summary of Contents for MSA 120 C

Page 1: ...narse 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 Instructi...

Page 2: ...Instruction Manual 1 62 Manual de instrucciones 63 128...

Page 3: ...ng the Chain Saw 13 7 Kickback and Other Reactive Forces 18 7 1 Reactive Forces 18 7 2 Kickback 19 7 3 Pull in 23 7 4 Pushback 24 8 Proper Techniques for Basic Bucking Limbing Pruning and Felling 24 8...

Page 4: ...ing the Guide Bar 51 24 4 Inspecting Maintaining and Sharpening the Saw Chain 51 25 Troubleshooting Guide 55 25 1 Chain Saw and Battery 55 25 2 Charger 56 26 Specifications 57 26 1 STIHL MSA 120 C MSA...

Page 5: ...at requires your special attention Such information is introduced with the following symbols and signal words DANGER Indicates a hazardous situation that if not avoided will result in death or serious...

Page 6: ...and drive links 7 Guide Bar Supports and guides the saw chain 8 Chain Sprocket Cover Covers the chain sprocket 9 Adjusting Wheel Permits precise adjustment of saw chain tension 10 Wingnut Tightens th...

Page 7: ...ays wear proper eye protection and an approved protective helmet 6 3 Avoid contact of the bar tip with any object This can cause the bar to kick suddenly up and back which may result in serious or fat...

Page 8: ...hed or grounded surfaces such as pipes radiators ranges and refrigerators There is an increased risk of electric shock if your body is earthed or grounded c Do not expose power tools to rain or wet co...

Page 9: ...sk of starting the power tool accidentally d Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool...

Page 10: ...e and could give the operator an electric shock d Wear eye protection Further protective equipment for hearing head hands legs and feet is recommended Adequate protective equipment will reduce persona...

Page 11: ...chain breakage and or kickback 4 Follow the manufacturer s sharpening and maintenance instructions for the saw chain Decreasing the depth gauge height can lead to increased kickback 6 1 Intended Use W...

Page 12: ...y produce white finger disease Raynaud s phenomenon or carpal tunnel syndrome These conditions reduce the hand s ability to feel and regulate temperature They produce numbness and burning sensations a...

Page 13: ...e your hearing Although this battery powered product is relatively quiet to reduce the risk of hearing damage Wear sound barriers ear plugs or ear muffs Regular operators should have their hearing che...

Page 14: ...n saws their use may be extremely dangerous Only attachments supplied by STIHL or expressly approved by STIHL for use with this specific model are authorized Use only attachments supplied or expressly...

Page 15: ...w chain is extremely important to maximize cutting performance and reduce the risk of personal injury from chain breakage derailment or reactive forces Read and follow the chain tensioning instruction...

Page 16: ...e off position when inserting the battery Avoid contacting the trigger switch lockout and trigger switch when grasping the rear handle of the chain saw Release the trigger switch and trigger switch lo...

Page 17: ...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 preven...

Page 18: ...the general work area Switch off the motor immediately if you are approached To reduce the risk of injury to bystanders and unauthorized users Never leave the chain saw unattended when the battery is...

Page 19: ...r particulate matter cannot be kept at or near background levels always wear a respirator that is approved by NIOSH and rated for worksite specific conditions Follow the recommendations of governmenta...

Page 20: ...dry vegetation and brush particularly when weather conditions are hot and dry Do not use your chain saw around flammable materials or around vegetation or brush when there is a risk of fire or wildfir...

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