8 Maintenance, Repair and Storage
■ A battery fire can be dangerous. To reduce the
risk of severe personal injury and property
damage in the event of fire:
– Evacuate the area. Fire can spread rap‐
idly. Stay clear of any vapors generated
and maintain a safe distance.
– Contact the fire department.
– Although water can be used to put out a
battery fire, use of a multi-purpose dry
chemical fire extinguisher is preferable.
– Consult the fire department regarding
proper disposal of a burned battery.
8
Maintenance, Repair and
Storage
8.1
Warnings and Instructions
WARNING
■ There are no user-authorized repairs for the
hedge trimmer, battery or charger. To reduce
the risk of fire, electric shock or other personal
injury and property damage:
– Users may carry out only the cleaning and
maintenance operations described in this
manual.
– Strictly follow the cleaning and mainte‐
nance instructions in the appropriate sec‐
tions of this instruction manual.
– STIHL recommends that all repair work be
performed by authorized STIHL servicing
dealers.
■ Unintentional starting may result in personal
injury or property damage. To reduce the risk
of personal injury and property damage from
unintentional starting:
– Remove the battery
■ The cutting blades are the only user-servicea‐
ble parts of the hedge trimmer. Proper mainte‐
nance will help maintain cutting performance
and reduce the risk of personal injury.
– Wear heavy-duty non-slip work gloves
when handling the cutting blades.
– Keep the cutting blades clean and sharp.
– Tighten all nuts, bolts and screws after
each use.
– Never attempt to repair damaged cutting
blades by welding, straightening or modi‐
fying the shape. This may cause parts of
0458-020-8601-A
before inspecting the
hedge trimmer or carrying
out any cleaning, mainte‐
nance or repair work,
before storing, and any
other time the hedge trim‐
mer is not in use.
the cutting blades to experience uneven
or excessive wear or other damage that
can lead to a malfunction or breakage
during operation, resulting in serious or
fatal injuries.
■ Use of parts that are not authorized or
approved by STIHL may cause serious or fatal
injury or property damage.
– STIHL recommends that only identical
STIHL replacement parts be used for
repair or maintenance.
■ To reduce the risk of electric shock:
– Unplug the charger from the electrical out‐
let before inspecting or cleaning the
charger.
– Regularly check the charger and ensure
that the insulation of the power supply
cord and plug are in good condition and
show no signs of aging (brittleness), wear
or damage.
– Have a damaged power supply cord
replaced by an authorized STIHL servic‐
ing dealer.
■ To reduce the risk of short circuit and fire:
– Keep the battery guides free of foreign
matter. Clean as necessary with a dry
cloth or soft, dry brush.
■ Improper storage can result in unauthorized
use, damage to the hedge trimmer, battery
and charger, and an increased risk of fire,
electric shock and other personal injury or
property damage.
– Remove the battery from the hedge trim‐
mer before storing.
– Never store the hedge trimmer with the
battery inserted.
– When storing the battery, maintain a
charge of 40 % to 60 % for STIHL AP ser‐
ies batteries and a charge of 30 % to
45 % for STIHL AR series batteries (2
green LEDs).
– If storing the battery in the charger, dis‐
connect the charger from the outlet.
– Store the hedge trimmer, battery and
charger indoors in a dry, secure place that
cannot be accessed by children or other
unauthorized users.
– Never store the battery in the hedge trim‐
mer or in a container with small metal
objects capable of conducting electricity
(e.g., paper clips, nails, coins, keys).
English
13