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N. REPLACING NYLON LINE

1) 

Unscrew the blocking screws at the bottom of the
string head by turning them counter- clockwise.

2)

Remove the base cover assembly. 

Remove the empty spool from the housing and
discard any remaining line.

REWINDING NEW LINE

3)

Prepare 2 lengths (8ft each) of 2.4 mm nylon
line. Thread 1 end of each line into the two
holes on opposite sides of the spool. Pinch the
exposed ends flat with a pair of pliers to
prevent them slipping through the hole.

4)

Wind the two lines in the same direction
around the spool.

REASSEMBLY

5) 

Slide the end of the two lines into the grooves
to hold the line temporarily.

6)

Position the spool back into the housing and
pull the line through the eyelets.

7)

Pull about 12cm (5ins) of line out on either side.

8)

Reassemble the string head as shown, tighten
the screws clockwise.

9)

N.B: In order to extend the nylon line as it
wears down, pull the mower gauge
downwards and turn it in a clockwise direction
to feed out the desired length of line.

L. CARBURETTOR ADJUSTMENT

Your machine may be fitted with a highly
sensitive low emission carburettor. We now
therefore recommend that carburettor
adjustments are only made by an authorised
servicing dealer, equipped with instruments
that will ensure best performance with lowest
emission levels. 

To adjust the idle speed, however, proceed as
follows:

With engine running and warm, slowly turn screw
‘I’ or ‘T’ clockwise until the engine runs smoothly
with a consistent noise level but without making
the chain or cutting head rotate. 

If the cutting attachment does move or the engine
runs too fast, slowly turn screw ‘I’ or ‘T’ in an

anticlockwise direction until the correct speed is
obtained.

Precise numerical engine speed settings are
mentioned in the technical detail chart in the front
of the owner’s manual.

NOTE:

A)

Direct drive trimmers: The cutting head will

always rotate when engine is running.

B)

All the above mentioned adjustments must be

made with the relevant cutting attachment
correctly fitted.

Warranty may be invalidated from incorrect
carburettor adjustment made by persons
other than an authorised dealer.

From time to time ensure all screws are tight.
Replace damaged, worn, cracked or warped
blades. Always make sure nylon string head or
blade have been assembled correctly (see
sections NYLON STRING HEAD and BLADE
ASSEMBLY) and blade fastener is tightened.

1) AIR FILTER CLEANING 

(at least every 25 working hours).

A dust clogged air filter may cause carburetor
problems. 

This may prevent the engine from reaching its
maximum speed and cause high fuel
consumption and/or difficult starting. 

Remove filter cover as shown in figure 1.
Carefully clean the inside of filter box. The filter
can also be cleaned with compressed air.

2)

Every 50 working hours inject the gearcase with
gear grease under high pressure through hole (C).

3) SPARK PLUG

From time to time (at least every 50 hours)
remove and clean  the spark plug and check

the electrode gap (0,5/0,6 mm.). Replace
spark plug about every 100 working hours or
whenever it is extremely encrusted. Heavily
encrusted electrodes can result from an
incorrect carburetor  setting or from wrong fuel
mixture (too much oil in the petrol) or a poor
quality of oil in the fuel mix. Check and correct.

4) FUEL FILTER

To change fuel filter remove the tank cap and
pull out the filter with a piece of bent wire or
long forceps. Contact your Service Station for
general servicing and cleaning of internal parts
at least once a year.This will reduce the
possibility of unexpected problems and will
ensure maximum product life and efficiency.

REGULARLY: it is important, in order to avoid
engine overheating, to remove dust and dirt
from slots, gaps and from in between cylinder
fins using a wooden scraper.

LONG STORAGE: empty fuel tank and run
engine until dry.

Store trimmer in a dry place.

M. REGULAR MAINTENANCE

A

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Содержание B 251 / 25 cc

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Страница 2: ...getekende gemachtigd door E O P I verklaart dat de volgende produkten B 251 261 290 291 geproduceerd door E O P I Valmadrera Italia voldoen aan de Europese Richtlijnen 98 37 CEE Machinerie Richtlijn 9...

Страница 3: ...8 85 3 94 8 85 3 94 VIBRATIONS LEVEL BLADE ISO 7916 m s2 MAX MIN 12 4 3 94 12 4 3 94 i DATI TECNICI f CARACTERISTIQUE TECHNIQUES C TECHNISCHE DATEN HUBRAUM cm3 25 29 BOHRUNG X HUB mm 35x26 38x26 LEIS...

Страница 4: ...Aav dBA ISO 10884 112 57 112 57 VIBRATIE NYLON DRAADKOP ISO 7916 m s2 MAX MIN 8 85 3 94 8 85 3 94 VIBRATIE MAAIBLAD ISO 7916 m s2 MAX MIN 12 4 3 94 12 4 3 94 s TEKNISKA DATA q TEKNISKE DATA CYLINDER c...

Страница 5: ...00 E AXI TH TAXYTHTA min 2 800 2 800 TAXYTHTA A ONA E I A min 7 300 7 300 PO H TPE E A A I TIKOY A IMA IOY E I A Nm 17 17 HPO BAPO 5 8 5 8 X PHTIKOTHTA NTE OZITOY BEZINH 620 620 E I E O IE H HXOY TO A...

Страница 6: ...a lama Attenzione della lama materiale proiettato sicurezza Avviamento a caldo Avviamento a freddo Ne pas utiliser de Plein r gime Attention Attention aux Attention aux Distance minimum Levier starter...

Страница 7: ...fabrikant zich het recht voor om rechnische specificaties zoals vermeld in deze handleiding te veranderen zonder biervan vooraf bericht te geven s Tilverkaren reserverar sig r tten att ndra fakta och...

Страница 8: ...the unit with the cutting head behind you When carrying the trimmer in a vehicle secure it to avoid fuel leakage Always empty the fuel tank before transporting the unit ATTENTION For your safety the...

Страница 9: ...ccessories can be assembled to your trimmer a blade b nylon string head Do not attach any blade to a unit without proper installation of all required parts Failure to use the proper parts can cause th...

Страница 10: ...wn brand of 2 stroke engine oil or else 2 5 40 1 of special engine oil Unleaded Petrol If using unleaded petrol you must use a totally synthetic 2 stroke engine oil or branded 2 stroke engine oil In e...

Страница 11: ...he shaft as illustrated Fig 2 The handle bar must be mounted using all the items supplied and in the exact configuration shown in figures 1 or 2 H HANDLE ASSEMBLY I STARTING AND STOPPING THE ENGINE WA...

Страница 12: ...ers The cutting head will always rotate when engine is running B All the above mentioned adjustments must be made with the relevant cutting attachment correctly fitted Warranty may be invalidated from...

Страница 13: ...witch is in the position I Control fuel level min 25 tank capacity Check air filter is clean Remove spark plug dry it clean it and adjust it and replace it if necessary Control and adjust the carburet...

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