Stihl HTA 66 Instruction Manual page 35

4 Safety Precautions
► 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.
► In the event of contact with the skin: wash
the affected areas with plenty of soap and
water.
0458-191-9621-C
► 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 Sawing
WARNING
■ Always work within calling distance of others
so that you can summon help in an emer‐
gency.
► Make sure that people are within earshot
outside the working area.
■ In certain situations, the user may no longer
be able to concentrate on their work. The user
may lose control of the pole pruner, stumble or
fall and be seriously injured.
► Keep calm and plan your work.
► If light and visibility are poor: Do not use the
pole pruner.
► Use the pole pruner without assistance.
► Watch out for obstacles.
► Work standing on the ground and keep your
balance. If you have to work at a height:
Use a mobile elevating work platform or
secure scaffolding.
► If you start feeling fatigue: Take a break.
■ The moving saw chain can cut the user. This
may result in serious injury to the user.
► Do not touch the rotating saw chain.
► If the saw chain is blocked by an object:
Switch off the pole pruner and remove the
battery. before clearing the jam.
■ The moving saw chain warms up and
expands. If the saw chain is not sufficiently
lubricated and retensioned, the saw chain may
jump off the guide bar or it may break. This
may result in serious injury to people and
damage to property.
► Use saw chain lubricant.
► Check the saw chain tension regularly while
working. If saw chain tension is insufficient:
Tension the saw chain.
■ If the behavior of the pole pruner changes dur‐
ing operation or feels unusual, it may no lon‐
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