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5 General Power Tool Safety Warnings

c) Prevent unintentional starting. Ensure the switch is in the 

off-position before connecting to power source and/or 

battery pack, picking up or carrying the tool. Carrying 

power tools with your finger on the switch or energizing 

power tools that have the switch on invites accidents.

d)Remove any adjusting key or wrench before turning the 

power tool on. A wrench or a key left attached to a rotating 

part of the power tool may result in personal injury.

e)Do not overreach. Keep proper footing and balance at all 

times. This enables better control of the power tool in 

unexpected situations.

f) Dress properly. Do not wear loose clothing or jewellery. 

Keep your hair, clothing and gloves away from moving 

parts. Loose clothes, jewellery or long hair can be caught 

in moving parts. 

g)If devices are provided for the connection of dust 

extraction and collection facilities, ensure these are 

connected and properly used. Use of dust collection can 

reduce dust-related hazards.

h)Do not let familiarity gained from frequent use of tools 

allow you to become complacent and ignore tool safety 

principles. A careless action can cause severe injury 

within a fraction of a second.

5.5 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 cannot be controlled with the 

switch is dangerous and must be repaired. 

c) Disconnect the plug from the power source and/or remove 

the battery pack, if detachable, from the power tool before 

making any adjustments, changing accessories, or storing 

power tools. Such preventive safety measures reduce the 

risk 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. Power tools are 

dangerous in the hands of untrained users.

e)Maintain power tools and accessories. Check for 

misalignment or binding of moving parts, breakage of 

parts and any other condition that may affect the power 

tool's operation. If damaged, have the power tool repaired 

before use. Many accidents are caused by poorly 

maintained power tools.

f) Keep cutting tools sharp and clean. Properly maintained 

cutting tools with sharp cutting edges are less likely to 

bind and are easier to control.

g)Use the power tool, accessories and tool bits etc. in 

accordance with these instructions, taking into account 

the working conditions and the work to be performed. Use 

of the power tool for operations different from those 

intended could result in a hazardous situation.

h)Keep handles and grasping surfaces dry, clean and free 

from oil and grease. Slippery handles and grasping 

surfaces do not allow for safe handling and control of the 

tool in unexpected situations.

5.6 Battery Tool Use and Care

a)Recharge only with the charger specified by the 

manufacturer. A charger that is suitable for one type of 

battery pack may create a risk of fire when used with 

another battery pack.

b)Use power tools only with specifically designated battery 

packs. Use of any other battery packs may create a risk of 

injury and fire. 

c) When battery pack is not in use, keep it away from other 

metal objects, like paper clips, coins, keys, nails, screws 

or other small metal objects that can make a connection 

from one terminal to another. Shorting the battery 

terminals together may cause burns or a fire.

d)Under abusive conditions, liquid may be ejected from the 

battery; avoid contact. If contact accidentally occurs, flush 

with water. If liquid contacts eyes, additionally seek 

medical help. Liquid ejected from the battery may cause 

irritation or burns.

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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