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Using your power tool; Parts subject to wear and tear ;Operating and maintenance instructions
8.4 Note on using the nylon line head
(available as accessory)
When using the nylon head, always ensure that
you operate only with the correct length of line.
When the contact shield is fitted, the line will
always be trimmed to the permissible length
automatically (a line trimming blade is fitted into
the shield). There is a high risk of injury, and the
engine is subjected to excessive loads leading to a
risk of damage, if nylon lines are left too long.
Important: If using the line head, never start
the power tool without having fitted a line
trimmer blade.
Adjusting the cutting line
When using a semi-automatic nylon head:
Fig. 17
(schematic diagram)
Whilst the power tool is running without load, but
with rotating nylon head, lightly push the nylon
head several times onto ground with growth cover.
The cutting line will be dispensed in stages. With
each action, approx. 30 mm line will be dispensed.
The line trimming blade will correct any excess
length.
When the cutting line is fully spent, you can
replace it with line available
Ø 2.4 mm under part no. 6900942 (accessory).
9. Parts subject to wear and tear
Various parts are subject to application-specific or
normal wear and must be replaced in good time,
when required. The following parts are subject to
normal wear and are not covered by the
manufacturer's guarantee:
• Air filter
• Fuel filter
• All rubber parts which come into contact with
fuel
• Clutch
• Spark plug
• Starter
• Cutting tools
10. Operating and maintenance instructions
10.1 General operating and maintenance
instructions
The maintenance and the repair of modern
machines as well as their safety-relevant
assemblies require qualified specialised training
and a workshop equipped with special tools and
test equipment. Consequently the manufacturer
recommends that all tasks not described in these
operating instructions be carried out by a
specialised workshop. That specialist has the
required training, experience, and equipment at his
disposal, to provide you with the most cost-
effective solution for such work. He will provide
additional help in word and deed.
After a running-in time of app. 5 hours, all
accessible screws and nuts (except the carburettor
adjusting screws) must be checked for tightness
and they must be retightened, if required.
Check the cutter regularly and whenever you
notice any irregularities, or when the cutter/contact
shield becomes blocked. For this, switch off the
engine and wait until the cutter has come to a
complete standstill. Pull the spark plug cap, and
remove grass, debris, etc. from the cutter support.
Immediately replace blunt or damaged tools, even
if they display only small cracks – do a "ping" test.
It is best to store the equipment in a dry, safe
location with a full fuel tank. There should be no
open flame or similar nearby. When not using the
equipment for longer periods, (longer than four
weeks), see chapter "10.9 Shutdown and storage".
10.2 Information about the silencer
Your engine appliance has reduced exhaust
emissions which are considerably lower than the
statutory limits. The silencer creates a great deal
of heat during operation as a result. Do not touch
the silencer whilst it is still hot. Discolouration of
the outer silencer housing is quite normal.
ENGLISH 17
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