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VZDRÎEVANJE
Slovene 73
Splo‰no
Uporabnik sme sam izvajati le tista vzdrÏevalna in servisna
dela, ki so navedena v teh navodilih za uporabo. Zahtevnej‰e
posege mora opraviti poobla‰ãena servisna delavnica.
Nastavitev uplinjaãa
Zaradi obstojeãih okoljskih zakonodaj in zakonodaj o izloãanju
je va‰a Ïaga opremljena z omejevalniki gibanja, ki se nahajajo
na nastavitvenih vijakih na uplinjaãu. To omejuje moÏnosti
nastavljanja do najveã 1/2 obrata.
Va‰ Husqvarna izdelek, je zasnovan in izdelan v skladu s
predpisi za najmanj‰o koliãino ‰kodljivih izpu‰nih plinov.
Delovanje
Uplinjaã uravnava hitrost teka motorja preko roãice za plin.
V uplinjaãu se me‰ata zrak in gorivo. To razmerje je
mogoãe spreminjati. Da bo izkoristek zmogljivosti stroja
najbolj‰i, je potrebna pravilna nastavitev uplinjaãa.
Nastavitev uplinjaãa pomeni, da delovanje motorja
prilagodimo delovnim pogojem, npr. podnebju, nadmorski
vi‰ini in vrsti bencina ter olja za dvotaktne motorje.
Uplinjaã ima tri moÏne nastavitve:
- L = Nizko ‰tevilo vrtljajev
- H = Visoko ‰tevilo vrtljajev
- T = Vijak za nastavitev prostega teka
Koliãino potrebnega goriva glede na pretok zraka, ki ga
dovajamo z odpiranjem plinske lopute, uravnavamo s
‰obama L in H. âe ju zasuãemo v smeri urinega kazalca,
postane razmerje zrak/gorivo revnej‰e (manj goriva), ãe
pa ju zasuãemo v nasprotno smer, postane razmerje
bogatej‰e (veã goriva). Revnej‰a me‰anica daje vi‰je
‰tevilo vrtljajev, bogatej‰a pa niÏje.
Vijak T uravnava ‰tevilo vrtljajev prostega teka. âe ga
zasuãemo v smeri urinega kazalca, se hitrost prostega
teka poveãa, z obraãanjem v nasprotno smer pa se hitrost
zmanj‰a.
Osnovna nastavitev in utekanje
Za osnovno nastavitev uplinjaãa poskrbimo pri tovarni‰kem
preizkusu. Tekom prvih 10 ur se izogibajte tekom pri visoki
hitrosti.
POZOR! âe se veriga vrti tudi v prostem teku,
obraãajte vijak T v nasprotni smeri urinega kazalca,
dokler se veriga ne ustavi.
Priporoãeno ‰tevilo vrtljajev motorja v prostem teku: 2700 v/
min
Fina nastavitev
Ko je stroj "uteãen" je potrebno uplinjaã fino nastaviti. Konãno
nastavitev mora opraviti strokovno usposobljena oseba.
Najprej nastavimo ‰obo L, nato vijak prostega teka T in
nazadnje ‰obo H.
Menjava tipa goriva
âe ste menjali tip goriva, je potrebna nova fina nastavitev
motorne Ïage, ãe se le ta vede drugaãe pri vÏigu,
pospe‰evanju, najvi‰jih vrtljajih, itd.
Pogoji
Pred zaãetkom nastavljanja mora biti zraãni filter ãist in
ohi‰je cilindra pravilno montirano. âe uplinjaã nastavimo,
ko je zraãni filter umazan, bo me‰anica goriva presuha,
potem ko bomo filter zamenjali. To lahko povzroãi resne
po‰kodbe motorja.
·ob L in H nikoli ne posku‰ajte prisiliti preko obeh skrajnih
leg; tak‰no ravnanje povzroãa po‰kodbe.
VÏgite stroj v skladu z navodili za vÏig in ga pustite, da se
10 minut ogreva.
PoloÏite stroj na ravno podlago, tako da je meã obrnjen
proã od vas in poskrbite, da se meã in veriga ne dotikata
podlage ali kak‰nega drugega predmeta.
·oba nizkega ‰tevila vrtljajev L
Obrnite L iglo v smeri urinega kazalca dokler se ne ustavi. âe
ima motor slab pospe‰ek ali neenakomeren prosti tek, obrnite
L iglo v nasproti smeri urinega kazalca dokler ne doseÏete
dobrega pospe‰ka in prostega teka.
Fina nastavitev hitrosti prostega teka T
Prosti tek nastavite z vijakom T. âe je prosti tek potrebno
ponovno nastaviti, vÏgite motor in najprej privijte vijak T (v
smeri urinega kazalca), tako da se veriga zaãne vrteti. Nato
vijak odvijte (v nasprotno smer urinega kazalca), do toãke, ko
se veriga ustavi. Prosti tek je nastavljen pravilno, ko motor
teãe gladko v vseh legah, z zadostno marginalo do ‰tevila
vrtljajev, pri katerem se veriga zaãne vrteti.
1/2
1/2
H
L
L
H
T
!
OPOZORILO! âe prostega teka ne morete
nastaviti tako, da se veriga ustavi, se
obrnite na poobla‰ãeno servisno
delavnico. Îage ne uporabljajte, dokler ni
pravilno nastavljena ali popravljena.
73


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