{"id":508,"date":"2023-04-30T17:54:32","date_gmt":"2023-04-30T15:54:32","guid":{"rendered":"https:\/\/portlandmachinery.com\/?p=508"},"modified":"2023-04-30T17:55:05","modified_gmt":"2023-04-30T15:55:05","slug":"lancfuresz-karbantartas","status":"publish","type":"post","link":"https:\/\/portlandmachinery.com\/ro\/lancfuresz-karbantartas\/","title":{"rendered":"\u00centre\u021binerea motofer\u0103straielor"},"content":{"rendered":"<p><strong>Cum \u00eemi p\u0103strez fer\u0103str\u0103ul \u00een stare bun\u0103 de func\u021bionare?<\/strong><strong><br><\/strong><br>Fer\u0103str\u0103ul cu lan\u021b, ca orice echipament de lucru cu motor cu ardere intern\u0103 necesit\u0103 \u00eentre\u021binere periodic\u0103 obligatorie pentru a func\u021biona corect.<br><br>Dintre lucr\u0103rile de \u00eentre\u021binere cea mai important\u0103 este men\u021binerea ascu\u021bimii lan\u021bului, despre care am discutat anterior. De aceasta se leag\u0103 \u00eentre\u021binerea lamei de ghidaj. Urm\u0103torii pa\u0219i pot cre\u0219te foarte mult durata de via\u021b\u0103 a lamei de ghidaj \u0219i pot asigura performan\u021be de t\u0103iere consistente - cu un lan\u021b ascu\u021bit, desigur:<\/p>\n\n\n\n<p><br><strong>1.<\/strong>&nbsp;&nbsp;&nbsp; \u00centoarce\u021bi lama de ghidaj la fiecare ascu\u021bire a lan\u021bului. Astfel putem evita ca o parte a lamei s\u0103 se uzeze mai mult dec\u00e2t cealalt\u0103. Dac\u0103 nu \u00eentoarce\u021bi niciodat\u0103 lama de ghidaj, mai devreme sau mai t\u00e2rziu partea inferioar\u0103, care suport\u0103 \u00een mare parte sarcina de t\u0103iere, se va uza \u00eentr-o asemenea m\u0103sur\u0103 \u00eenc\u00e2t lama devine inutilizabil\u0103, chiar dac\u0103 partea superioar\u0103 abia s-a uzat.<br><strong>2.<\/strong>&nbsp;&nbsp;&nbsp; La fiecare \u00eentoarcere a lamei de ghidaj, cur\u0103\u021ba\u021bi canelura ghidajului cu o unealt\u0103 dedicat\u0103 pentru aceast scop, precum \u0219i orificiul pentru uleiul de lan\u021b, asigur\u00e2ndu-v\u0103 c\u0103 uleiul de lan\u021b va ajunge p\u00e2n\u0103 \u00een v\u00e2rful lamei.<br>&nbsp;<br><strong>3.<\/strong>&nbsp; Lan\u021bul motofer\u0103str\u0103ului este antrenat de carcasa ambreiaj de la cap\u0103tul arborelui motorului. Aceast\u0103 carcas\u0103 ambreiaj este uzat\u0103 de ecli\u0219ele lan\u021bului \u00een timpul utiliz\u0103rii, ceea ce duce la necesitatea \u00eenlocuirii dup\u0103 o anumit\u0103 m\u0103sur\u0103 de uzare. Carcasa ambreiaj poate fi de dou\u0103 tipuri: tradi\u021bional sau cu roti\u021b\u0103 motric\u0103 schimbabil\u0103. \u00cen cazul unei carcase ambreiaj tradi\u021bionale, ecli\u0219ele lan\u021bului se potrivesc direct \u00een forma de stea de pe carcasa ambreiaj astfel \u00eenc\u00e2t \u00een \u200b\u200bcaz de uzur\u0103 \u00eentreaga carcas\u0103 ambreiaj trebuie \u00eenlocuit. \u00cen cazul unei carcase ambreiaj cu roti\u021b\u0103 motric\u0103 ecli\u0219ele lan\u021bului se potrivesc \u00een acest\u0103 roti\u021b\u0103 motric\u0103, astfel \u00eenc\u00e2t dac\u0103 se uzeaz\u0103, este suficient\u0103 \u00eenlocuirea roti\u021bei motrice. Un avantaj suplimentar al solu\u021biei cu roti\u021b\u0103 motric\u0103 este c\u0103 se evit\u0103 fenomenul de s\u0103ritul lan\u021bului chiar \u0219i \u00een caz de uzur\u0103. Prin s\u0103ritul lan\u021bului \u00een\u021belegem fenomenul \u00een care, \u00een timpul rul\u0103rii lan\u021bul intr\u0103 sau iese \u00een canalele de uzur\u0103 de pe carcasa ambreiaj , rezult\u00e2nd o stare a lan\u021bului str\u00e2ns sau sl\u0103bit. \u00cen cazul \u00eenlocuirii carcasei ambreiaj este necesar\u0103 \u0219i \u00eenlocuirea rulmentului cu ace de dedesubt, care se livraz\u0103 de obicei \u00eempreun\u0103 cu carcasa ambreiaj.<br>&nbsp;<br><strong>4.&nbsp;<\/strong>&nbsp;&nbsp; Deoarece motofer\u0103str\u0103ul func\u021bioneaz\u0103 \u00eentr-un mediu cu praf, este necesar s\u0103 verifica\u021bi periodic filtrul de aer \u0219i, dac\u0103 este necesar, s\u0103 o cur\u0103\u021ba\u021bi. Acest lucru este important din dou\u0103 motive. Pe de o parte, un filtru de aer \u00eenfundat cauzeaz\u0103 \u00eenecarea motorului, prin urmare drujba nu se poate tura corect, sub sarcin\u0103 viteza scade, performan\u021ba de t\u0103iere scade \u0219i utilajul se suprasolicit\u0103. Pe de alt\u0103 parte, praful fin trece prin filtrul \u00eenfundat, \u0219i distruge motorul.<br>A l\u00e9gsz\u0171r\u0151 bet\u00e9tet ecsettel tudjuk megtiszt\u00edtani, \u00fcgyelve, nehogy \u00e1tszak\u00edtsuk a sz\u0171r\u0151anyagot. A sz\u0171r\u0151bet\u00e9tek legt\u00f6bbje sz\u00e9tpattinthat\u00f3, \u00edgy lehet\u0151s\u00e9g van az m\u00e1r esetleg bejutott finom por elt\u00e1vol\u00edt\u00e1sa a sz\u0171r\u0151 bels\u0151 fel\u00fclet\u00e9r\u0151l is.<br>&nbsp;<br><strong>5.<\/strong>&nbsp;&nbsp;&nbsp; Exist\u0103 dou\u0103 rezervoare \u00een motofer\u0103str\u0103u. Unul este pentru uleiul de lubrifiere pentru lan\u021b \u0219i altul este pentru combustibil. Con\u021binutul rezervoarelor se livreaz\u0103 la destina\u021bie prin tuburi de aspira\u021bie. La capetele acestor tuburi se afl\u0103 c\u00e2te un filtru, care aru rol dublul. Pe de o parte datorita greutatii lor cad mereu pe fundul rezervorului indiferent de pozi\u021bia drujbei, asigur\u00e2nd astfel o alimentare continu\u0103 cu ulei \u0219i combustibil. Pe de alt\u0103 parte filtreaz\u0103 eventualele impurit\u0103\u021bi care plutesc \u00een ulei sau combustibil. Dac\u0103 se \u00eenfund\u0103, aceste filtre pot cauza probleme. Este necesar s\u0103 \u00eenlocui\u021bi filtrele dac\u0103 contaminarea lor cauzeaz\u0103 probleme \u00een func\u021bionarea motofer\u0103str\u0103ului.<br><br><strong>6.<\/strong>&nbsp;&nbsp;&nbsp; La fel ca toate motoarele pe benzin\u0103, fer\u0103str\u0103ul cu lan\u021b folose\u0219te o bujie pentru a aprinde amestecul combustibil-aer comprimat. Aceast\u0103 bujie necesit\u0103 \u00eentre\u021binere. \u00cen func\u021bie de intensitatea utiliz\u0103rii drujbei, bujia trebuie scoas\u0103 din c\u00e2nd \u00een c\u00e2nd, cur\u0103\u021bat\u0103 de funinginea ars\u0103 \u0219i reglat\u0103 distan\u021ba aprinderii. \u00cen func\u021bie de tipul bujiei, acesta ar trebui s\u0103 fie de 0,6-0,8 mm. O bujie uzat\u0103 d\u0103 o sc\u00e2nteie mic\u0103, din care rezult\u0103 o ardere insuficient\u0103, iar randamentul motorului scade, performan\u021ba scade, consumul \u0219i emisiile cresc, iar \u00een cazuri extreme, motorul nici nu porne\u0219te.<br><br><strong>7.<\/strong>&nbsp;&nbsp;&nbsp; Motorul drujbei este r\u0103cit cu aer. Elibereaz\u0103 c\u0103ldur\u0103 prin aripiorele de r\u0103cire de pe suprafa\u021ba cilindrului par\u021bial expus. Fluxul de aer generat de volant\u0103 ajut\u0103 \u0219i el \u00een acest sens. Cu toate acestea, dac\u0103 rumegu\u0219ul intr\u0103 \u00eentre aceste aripiore \u0219i le \u00eenfund\u0103, afect\u00e2nd capacitatea de disipare a c\u0103ldurii, poate cauza supra\u00eenc\u0103lzirea motorului \u0219i, \u00een cazuri extreme, griparea lui. Asigura\u021bi-v\u0103 \u00eentotdeauna c\u0103 aceste aripioare de r\u0103cire sunt curate \u0219i f\u0103r\u0103 rumegu\u0219. Pute\u021bi cur\u0103\u021ba nervurile cu o raclet\u0103 care se folose\u0219te \u0219i pentru cur\u0103\u021barea lamelei de ghidare a lan\u021bului.<\/p>","protected":false},"excerpt":{"rendered":"<p>Hogyan tartsam \u00fczembiztosan a f\u0171r\u00e9szemet?A l\u00e1ncf\u0171r\u00e9sz, mint minden munk\u00e1t v\u00e9gz\u0151, robban\u00f3motoros g\u00e9p, k\u00f6telez\u0151 id\u0151szakos karbantart\u00e1st ig\u00e9nyel, a megfelel\u0151 m\u0171k\u00f6d\u00e9s \u00e9rdek\u00e9ben. A karbantart\u00e1si munk\u00e1k k\u00f6z\u00f6tt a legfontosabb, a megfelel\u0151 l\u00e1nc\u00e9less\u00e9g fenntart\u00e1sa, amit az el\u0151z\u0151ekben taglaltunk. Ehhez szervesen kacsol\u00f3dik a l\u00e1ncvezet\u0151 karbantart\u00e1sa.&nbsp;Az al\u00e1bbi l\u00e9p\u00e9sekkel nagyban megn\u00f6velhetj\u00fck l\u00e1ncvezet\u0151nk \u00e9lettartam\u00e1t, \u00e9s biztos\u00edthatjuk az egyenletes v\u00e1g\u00e1steljes\u00edtm\u00e9nyt&nbsp;\u2013 term\u00e9szetesen csak \u00e9les l\u00e1nc &#8230; <a title=\"\u00centre\u021binerea motofer\u0103straielor\" class=\"read-more\" href=\"https:\/\/portlandmachinery.com\/ro\/lancfuresz-karbantartas\/\" aria-label=\"Cite\u0219te mai multe despre L\u00e1ncf\u0171r\u00e9sz Karbantart\u00e1s\">Olvass tov\u00e1bb<\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-508","post","type-post","status-publish","format-standard","hentry","category-egyeb"],"_links":{"self":[{"href":"https:\/\/portlandmachinery.com\/ro\/wp-json\/wp\/v2\/posts\/508","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/portlandmachinery.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/portlandmachinery.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/portlandmachinery.com\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/portlandmachinery.com\/ro\/wp-json\/wp\/v2\/comments?post=508"}],"version-history":[{"count":1,"href":"https:\/\/portlandmachinery.com\/ro\/wp-json\/wp\/v2\/posts\/508\/revisions"}],"predecessor-version":[{"id":509,"href":"https:\/\/portlandmachinery.com\/ro\/wp-json\/wp\/v2\/posts\/508\/revisions\/509"}],"wp:attachment":[{"href":"https:\/\/portlandmachinery.com\/ro\/wp-json\/wp\/v2\/media?parent=508"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/portlandmachinery.com\/ro\/wp-json\/wp\/v2\/categories?post=508"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/portlandmachinery.com\/ro\/wp-json\/wp\/v2\/tags?post=508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}