Stihl MSA 161 T Instruction Manual page 33

4 Safety Precautions
■ The battery is not protected against all ambi‐
ent conditions. If the battery is exposed to cer‐
tain ambient conditions, the battery may catch
fire, explode or be irreparably damaged. This
may result in serious injury to people and
damage to property.
► Protect battery from heat and fire.
► Do not throw the battery into a fire.
► Use and store the battery at temper‐
atures between ‑ 10 °C and + 50 °C.
► Do not immerse the battery in fluids.
► Keep battery away from small metal parts.
► Do not expose the battery to high pressure.
► Do not expose the battery to microwaves.
► Protect the battery from chemicals and
salts.
4.6 Safe Condition
4.6.1 Chainsaw
The chainsaw is in a safe condition if the follow‐
ing points are observed:
– The chainsaw is not damaged.
– The chainsaw is clean.
– The ring is not damaged.
– The chain catcher is not damaged.
– The chain brake is operating properly.
– The controls function properly and have not
been modified.
– The chain lubrication is operating properly.
– Wear marks on the chain sprocket are not
deeper than 0.5 mm.
– A combination of guide bar and saw chain rec‐
ommended in this User Manual is mounted.
– The guide bar and saw chain are properly
mounted.
– The saw chain is properly tensioned.
– Only original STIHL accessories designed for
this chainsaw model are fitted.
– The accessories are correctly attached.
– The oil tank cap is closed.
WARNING
■ If not in safe condition, components may no
longer operate correctly and safety devices
may be rendered ineffective. There is a risk of
serious or fatal injury.
► Work only with an undamaged chainsaw.
► If the chainsaw is dirty: Clean the chainsaw.
► Use chainsaw with an undamaged ring.
0458-791-9821-D
► Work only with an undamaged chain
catcher.
► Never modify your chainsaw. Exception:
Mounting a combination of guide bar and
saw chain recommended in this User Man‐
ual.
► If the controls do not function properly: Do
not use your chainsaw.
► Only fit original STIHL accessories
designed for this chainsaw model.
► Mount the guide bar and saw chain as
described in this User Manual.
► Attach accessories as described in this
User Manual or in the User Manual for the
accessories.
► Never insert objects in the chainsaw's
openings.
► Close the oil tank cap.
► Replace worn or damaged labels.
► If you are unsure: Consult a STIHL author‐
ized dealer.
4.6.2 Guide Bar
The guide bar is in a safe condition if the follow‐
ing points are observed:
– Guide bar is not damaged.
– Guide bar is not deformed.
– The minimum groove depth is maintained,
21.3.
– Bar rails are free from burrs.
– Bar groove is not pinched or splayed.
WARNING
■ If the guide bar is not in a safe condition, it can
no longer support and guide the saw chain
properly. The rotating saw chain can jump off
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
English
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