Stihl MSA 220 C Instruction Manual page 36

English
the guide bar. This can result in serious or
fatal injuries.
► Work only with an undamaged guide bar.
► If the groove depth is less than the mini‐
mum depth: Mount a new guide bar.
► Deburr the guide bar every week.
► If you have any queries: Contact your
STIHL servicing dealer.
4.6.3 Saw Chain
The saw chain is in a safe condition if the follow‐
ing points are observed:
– Chain is not damaged.
– Chain is properly sharpened.
– The service marks on the cutters are still visi‐
ble.
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.
4.6.4 Battery
The battery is in safe condition when the follow‐
ing conditions are met:
– The battery is not damaged.
– The battery is clean and dry.
– The battery is working and has not been modi‐
fied.
WARNING
■ The battery cannot function safely if it is not in
safe condition. There is a risk of serious injury
to persons.
► Use an undamaged and functioning battery.
► Do not charge a damaged or defective bat‐
tery.
► If the battery is dirty or wet: clean the bat‐
tery and allow it to dry.
► Do not modify the battery.
► Do not insert objects into the apertures in
the battery.
► Never connect the battery terminals to met‐
allic objects and cause a short circuit.
► Do not open the battery.
► Replace worn or damaged warning signs.
■ Fluid may leak from a damaged battery. If the
fluid contacts the skin or eyes, this may cause
irritation.
► Avoid contact with the fluid.
36
► In the event of contact with the skin: wash
the affected areas with plenty of soap and
water.
► In the event of contact with the eyes: rinse
the eyes with plenty of water for at least 15
minutes and seek medical attention.
■ A damaged or defective battery may emit an
unusual odour, smoke or catch fire. This may
result in serious or fatal injury to people and
damage to property.
► If the battery emits an unusual odour or
smoke: do not use the battery and keep it
away from flammable materials.
► If the battery catches fire: try to extinguish
the battery using a fire extinguisher or
water.
4.7 Working
4.7.1 Cutting
WARNING
■ Always work within calling distance of others
in case help is needed.
► Make sure than persons outside the work
area are within calling distance.
■ The user cannot concentrate on the work in
certain situations. The user can lose control of
the saw, stumble or fall and be seriously
injured.
► Work calmly and carefully.
► If light and visibility are poor: Do not use
your saw.
► Operate the saw alone.
► Do not work above shoulder height.
► Watch out for obstacles.
► Stand on the ground while working and
keep a good balance. If it is necessary to
work at a height and the chainsaw is used
with a cable connected to a power supply:
Use a lift bucket.
► If you begin to feel tired: Take a break.
■ The rotating saw chain can cut the operator.
This can result in serious injuries.
► Do not touch the rotating saw chain.
► If the saw chain is blocked by an object:
Switch off the chainsaw, engage the chain
brake and remove the battery. Then
remove the object causing the blockage.
■ The rotating chain becomes hot and expands.
If the chain is not lubricated sufficiently or not
re-tensioned at regular intervals, it may come
off the guide bar or break. This can result in
serious injuries and damage to property.
► Use special chain oil.
4 Safety Precautions
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