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Efco MT6500 Manual

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72 73 74 75
Italiano
MANUTENZIONE
FILTRO ARIA - Sganciare i fermi del coperchio (A, Fig.72), svitare
le viti del filtro aria (D, Fig.72) e controllare giornalmente il filtro aria
(B). Aprire il filtro (B) agendo sulle due linguette (E, Fig.73). Pulire
con sgrassante Emak cod. 001101009A, lavare con acqua e
soffiare a distanza con aria compressa dall'interno verso l'esterno.
Sostituire il filtro se è fortemente intasato o danneggiato.
FILTRO CARBURANTE - Verificare periodicamente le condizioni
del filtro carburante. In caso di sporcizia eccessiva, sostituirlo (Fig.
74).
POMPA OLIO (automatica regolabile) - La portata è preregolata di
fabbrica. L’erogazione dell’olio può essere variata dall’operatore, a
seconda delle esigenze, tramite l’apposita vite di registro (Fig. 75).
La portata dell’olio avviene solo con la catena in movimento.
ATTENZIONE - Non utilizzare mai olio di recupero.
GRUPPO AVVIAMENTO - Tenere libere e pulite le feritoie di
raffreddamento del carter gruppo avviamento con pennello o aria
compressa.
MOTORE / VALVOLA DI DECOMPRESSIONE - Pulire
periodicamente le alette del cilindro con pennello o aria compressa
(Fig. 76). L’accumulo di impurità sul cilindro può provocare
surriscaldamenti dannosi per il funzionamento del motore.
Controllare e pulire eventuali impurità alla base della valvola di
decompressione; potrebbe rimanere aperta.
CANDELA - Periodicamente si raccomanda la pulizia della candela
e il controllo della distanza degli elettrodi (Fig. 77).
Utilizzare candela Champion RCJ-4 o di altra marca di grado
termico equivalente.
FRENO CATENA - Nel caso il freno catena non funzioni
correttamente, smontare il carter copricatena e pulire a fondo i
componenti del freno. Quando il nastro del freno catena è usurato
e/o deformato, sostituirlo (A, Fig. 78).
Verificare e sostituire se necessario, l’arresto di sicurezza della
catena(B,Fig.78).
BARRA - Ruotare la barra e verificare che i fori di lubrificazione
siano libe
r
idaimpu
r
ità
(
Fi
g
.79
)
.
English
MAINTENANCE
AIR FILTER - Unclip the cover fasteners (A, Fig.72), undo the
air cleaner screws (D, Fig.72) and check air cleaner (B) on a
daily basis. Open air cleaner (B) by means of the two tabs (E,
Fig.73). Clean with Emak degreaser p/n 001101009A, rinse
with water and blast dry with compressed air, not too close,
blowing from the inside outwards. Renew the filter if heavily
clogged or damaged.
FUEL FILTER - Check the fuel filter periodically. Replace it if
too dirty (Fig. 74).
OIL PUMP (automatic/ad
j
ustable) -Flowad
ustment is pre-set
by the manufacturer. Oil flow can be ad
usted by the operator
according to specific requirements by means of the special
ad
usting screw (Fig. 75). Oil flow occurs only when the chain
is moving.
WARNING - Never use scavenge oil.
STARTING UNIT - Use a brush or compressed air to keep the
cooling louvers of the starter assembly free and clean.
ENGINE / DECOMPRESSION VALVE - Clean the cylinder fins
(Fig. 76) with compressed air or a brush periodically
.
Dangerous overheating of engine may occur due to impurities
on the cylinder.
Check the base of the decompression valve; clean away any
residues, which could cause the valve to stay open.
SPARK PLUG - Clean the spark plug and check the electrode
gap periodically (Fig. 77).
Use Champion RCJ-4 or of other brand with the same thermal
grade.
CHAIN BRAKE - If the chain brake does not work properly,
remove the chain cover and the clean brake components
.
Replace the chain brake band if worn or deformed (A, Fig. 78).
Check and, if necessary, replace the chain safety stop (B, Fig
.
78).
GUIDE BAR - Turn the guide bar and check that the lubrication
holes are
f
ree
f
rom impurities
(
Fi
g
.79
)
.
Français
ENTRETIEN
FILTRE A AIR - Décrocher les dispositifs d'arrêt du couvercle (A,
Fig.72), desserrer les vis du filtre de l'air (D, Fig.72) et contrôler
quotidiennement le filtre de l'air (B). Ouvrir le filtre (B) en
intervenant sur les deux languettes (E, Fig.73). Nettoyer avec du
dégraissant Emak cod. 001101009A, laver avec de l'eau et souffler
à distance avec de l'air comprimé de l'intérieur vers l'extérieur.
Remplacer le filtre s'il est fortement colmaté ou endommagé.
FILTRE CARBURANT - Vérifiez périodiquement les conditions du
filtre carburant; s’il est trop sale, mieux vaut le changer. (Fig.74).
POMPE A HUILE (automatique réglable) - Le débit est préréglé à
l’usine. L’opérateur peut varier la distribution de l’huile selon les
exigences, au moyen de la vis de réglage (Fig.75). Il n’y a débit
d’huile que lorsque la chaîne est en mouvement.
ATTENTION - N’utilisez
amais d’huile de récupération.
GROUPE DEMARREUR - Veillez à ce que les fentes de
refroidissement du carter du groupe démarreur soient tou
j
ours
dégagées. Utilisez un pinceau ou de l’air comprimé.
MOTEUR / VALVE DE DECOMPRESSION - Nettoyez
régulièrement les ailettes du cylindre à l’aide d’un pinceau ou d’air
comprimé (Fig. 76). L’accumulation d’impuretés sur le cylindre
peut provoquer des surchauffes nuisibles au bon fonctionnement
du moteur.
Contrôler et nettoyer les impuretés éventuelles qui se seraient
déposées à la base de la valve de décompression; celle-ci pourrait
rester ouverte.
BOUGIE - Il est recommandé de nettoyer périodiquement la
bougie et de contrôler la distance entre les électrodes (Fig.77).
Utiliser une bougie Champion RCJ-4 ou autre marque avec degré
thermique équivalent.
FREIN DE CHAINE - Si le frein de chaîne ne fonctionne pas bien,
démontez le carter protège-chaîne et nettoyez à fond les éléments
du frein. Lorsque le ruban du frein de chaîne est usé et/ou
déformé, remplacez-le (A, Fig.78).
Vérifiez et, si cela s’avère nécessaire, remplacez l’arrêt de sûreté
de la chaîne (B, Fig.78).
GUIDE - Tournez le guide et vérifiez que les trous de lubrification
sont dé
g
a
g
és d’éventuelles impu
r
etés
(
Fi
g
.79
)
.
36
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