AL. CARBURETTOR ADJUSTMENT
Your machine may be fitted with a highlyanticlockwise direction until the correct speed is
sensitive low emission carburettor. We nowobtained.
therefore recommend that carburettor
Precise numerical engine speed settings are
adjustments are only made by an authorised
mentioned in the technical detail chart in the front
servicing dealer, equipped with instrumentsof the ownerOs manual.
that will ensure best performance with lowest
NOTE:
emission levels.
To adjust the idle speed, however, proceed asA) Direct drive trimmers: The cutting head will
always rotate when engine is running.
follows:
With engine running and warm, slowly turn screwB) All the above mentioned adjustments must be
made with the relevant cutting attachment
�IO or �TO clockwise until the engine runs smoothly
correctly fitted.
with a consistent noise level but without making
the chain or cutting head rotate. Warranty may be invalidated from incorrect
carburettor adjustment made by persons
If the cutting attachment does move or the engine
runs too fast, slowly turn screw �IO or �TO in another than an authorised dealer.
M. REGULAR MAINTENANCE
From time to time ensure all screws are tight.the electrode gap (0,5/0,6 mm.). Replace
Replace damaged, worn, cracked or warpedspark plug about every 100 working hours or
blades. Always make sure nylon string head orwhenever it is extremely encrusted. Heavily
blade have been assembled correctly (seeencrusted electrodes can result from an
sections NYLON STRING HEAD and BLADEincorrect carburetor setting or from wrong fuel
ASSEMBLY) and blade fastener is tightened.mixture (too much oil in the petrol) or a poor
1) AIR FILTER CLEANING quality of oil in the fuel mix. Check and correct.
(at least every 25 working hours).4) FUEL FILTER
To change fuel filter remove the tank cap and
A dust clogged air filter may cause carburetor
problems. pull out the filter with a piece of bent wire or
long forceps. Contact your Service Station for
This may prevent the engine from reaching itsgeneral servicing and cleaning of internal parts
maximum speed and cause high fuel
at least once a year.This will reduce the
consumption and/or difficult starting.
possibility of unexpected problems and will
Remove filter cover as shown in figure 1.ensure maximum product life and efficiency.
Carefully clean the inside of filter box. The filter
REGULARLY: it is important, in order to avoid
can also be cleaned with compressed air.engine overheating, to remove dust and dirt
2) Every 50 working hours inject the gearcase withfrom slots, gaps and from in between cylinder
gear grease under high pressure through hole (C).fins using a wooden scraper.
3) SPARK PLUGLONG STORAGE: empty fuel tank and run
From time to time (at least every 50 hours)engine until dry.
remove and clean the spark plug and checkStore trimmer in a dry place.
N. REPLACING NYLON LINE
1) Unscrew the blocking screws at the bottom of theREASSEMBLY
string head by turning them counter- clockwise.
5) Slide the end of the two lines into the grooves
2) Remove the base cover assembly. to hold the line temporarily.
Remove the empty spool from the housing and6) Position the spool back into the housing and
discard any remaining line.pull the line through the eyelets.
REWINDING NEW LINE7) Pull about 12cm (5ins) of line out on either side.
3) Prepare 2 lengths (8ft each) of 2.4 mm nylon8) Reassemble the string head as shown, tighten
line. Thread 1 end of each line into the twothe screws clockwise.
holes on opposite sides of the spool. Pinch the
9) N.B: In order to extend the nylon line as it
exposed ends flat with a pair of pliers towears down, pull the mower gauge
prevent them slipping through the hole.
downwards and turn it in a clockwise direction
4) Wind the two lines in the same directionto feed out the desired length of line.
around the spool.
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ACEC
