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Berlan BMS520A User Manual page 4

Petrol-brush cutter

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Used packing material ought to be recy-
cled. Used lubricates must be dispensed
to provided gathering places.
Never operate machine near flammable
substances. Explosion hazard!
Keep children, animals and other people
at distance when starting and during
operation away from cutting area.
Never operate device near glass panels,
windows, parked cars or similar objects
as these could be damaged by flying
parts.
Never operate machine near people or
group of people as those could be badly
hurt by flying parts.
To avoid kickback of cutting blade while
cutting be very careful while operating
machine near foundations, fences, land-
marks, metal stakes, boles, branches,
stones, stumps or other fixed objects.
On cutting shrubbery please be very
careful as it could be caught in brush
cutter. Increased risk of injury!
Never use wire inside fibre head as this
could cause bad injuries.
Never inhale exhaust fumes. Risk of
intoxication!
Page 4
Never carry out any technical modifica-
tions on device.
Attention! Device is developing heat in
exhaust pipe area. Avoid this area to pre-
vent from burnings.
For filling petrol tank only use unleaded
normal fuel and 2 stroke engine oil in
mixture ration of 25:1.
Never use petrol mixtures older than 90
days or having an other mixture ration
than 25:1.
Never store brush cutter indoors with filled
petrol tank. Before storing you should
make sure that brush cutter has cooled
down completely.
Make sure that brush cutter is ventilated
well and regularly remove leaves, grass
and other impurity from ventilation slot and
metal/ plastic shield.
To avoid electric shock do never touch
spark plug socket during operation of
machine.
Never carry out maintenance operations
while machine is on work and do only use
appropriate tools.
Only operate brush cutter with both hands
as otherwise you or your assistant could
be injured.
Cutting knife and protection cover:
If cutter is getting blunt on fibre cover,
replace it immediately.
You can put knife into a bench vice and
sharpen it by using a flat file. Make sure
you are filling only in one direction.
Adjusting carburettor:
As soon as you release throttle control
engine ought to go back to idle running
speed.
Cutting tool may not move in idle running
speed!
Start the engine and allow it to war up for
two to three minutes.
In case cutting tool should turn in idle
speed it might be necessary to reduce
idle running speed by turning adjusting
screw counter clockwise.
In case engine should break down often
in idle running speed increase it by turn-
ing adjusting screw clockwise.
Silencer:
Never operate engine with defective or
missing silencer. Make sure silencer is
mounted correctly and in good condition.
Damaged or worn silencer increases fire
hazard and can cause hearing disorder.
Spark plug:
Keep spark plug and cable connections
clean.
Remove spark plug by using spark plug
wrench.
Clean spark plug using a wire brush.
Electrode clearance can be adjusted by
using a feeler gauge. Clearance should
be 0.6-0.7mm.
Cleaning air filter:
Remove air filter cover and carefully take
out air filter. Clean it with soap water.
Allow it to dry completely.
Mount air filter again and close air filter
cover again. Fasten screws again.
Important: Never operate brush cutter
without air filter as dust and dirt damage
engine.
Cleaning petrol filter:
Open fuel filler cap, drain off petrol from
tank completely and bend a wire.
Carefully pull out fuel hose using the wire
so you can reach it with your fingers.
Now carefully take out filter. Please make
sure that you do not pull out fuel hose
completely as it ought to stay inside tank.
Carefully remove filter from fuel hose by
turning it and clean it.
Defective filter ought to be replaced im-
mediately.
After cleaning filter mount it back on fuel
hose again and Place it inside lower part
of tank again (if necessary use wire to
push it down to tank bottom). Close fuel
filler cap again.
Important: Never operate brush cutter
without fuel filter!
For all further maintenance and repair
operations please do not hesitate to con-
tact your customer service.
Page 9

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