{"id":3192,"date":"2020-02-21T22:26:29","date_gmt":"2020-02-21T22:26:29","guid":{"rendered":"https:\/\/ehcteknik.com\/?page_id=3192"},"modified":"2025-12-17T08:06:39","modified_gmt":"2025-12-17T08:06:39","slug":"vad-ar-dpf","status":"publish","type":"page","link":"https:\/\/ehcteknik.com\/sv\/vad-ar-dpf\/","title":{"rendered":"Partikelfilter (DPF) &amp; Eftermontering f\u00f6r tunga fordon \u2013 Industri &amp; f\u00f6rsvar"},"content":{"rendered":"<div class=\"image-text-block container mt-100 mb-100\">\n  <div class=\"row\">\n              <div class=\"col-12 col-md-6 image-text text text-vertical-center\">\n            <div>\n              \n              \n                                  <div class=\"bg-primary mb-3\" style=\"width: 86px;height: 4px;\"><\/div>\n                \n                                  <h2 class=\"h1 mb-3\">Eftermontering av dieselpartikelfilter (DPF) f\u00f6r industri- och f\u00f6rsvarsfordon<\/h2>\n                \n                <div class=\"text-muted\">\n                  <p>Dieselpartikelfilter (DPF) \u00e4r avg\u00f6rande f\u00f6r att minska utsl\u00e4pp av skadliga partiklar fr\u00e5n dieseldrivna fordon. Vi erbjuder anpassade partikelfiltersystem och anpassade l\u00f6sningar f\u00f6r:<\/p>\n<ul>\n<li>F\u00f6rsvarsindustrin: stridsvagnar, terr\u00e4ngfordon, milit\u00e4rlastbilar och truckar<\/li>\n<li>Civila till\u00e4mpningar: entreprenadmaskiner, truckar, lastbilar och andra tunga fordon<\/li>\n<\/ul>\n<p>V\u00e5ra system \u00e4r utvecklade f\u00f6r kr\u00e4vande drift, effektiv installation och s\u00e4ker dokumentation av utsl\u00e4ppsreduktion (VERT-certifierade). Kontakta oss f\u00f6r r\u00e5dgivning \u2013 eller l\u00e4s vidare f\u00f6r att se hur eftermonterade DPF\u2011system och partikelfilter fungerar i praktiken.<\/p>\n                <\/div>\n\n                \n                          <\/div>\n          <\/div>\n                <div class=\"col-12 col-md-6 image-text image \">\n            <div>\n                              <img decoding=\"async\" alt=\"\" src=\"https:\/\/ehcteknik.com\/wp-content\/uploads\/2020\/01\/What-is-DPF.png\">\n              \n                          <\/div>\n          <\/div>\n        <\/div>\n<\/div>\n\n\n<div class=\"text-title-block container text-left mt-30 mb-30\">\n  \n      <h2 class=\"h2\"><\/h2>\n  \n\n  <\/div>\n\n\n<div class=\"text-title-block container text-left mt-30 mb-30\">\n  \n      <h2 class=\"h2\">Varf\u00f6r v\u00e4lja EHC Teknik f\u00f6r eftermontering?<\/h2>\n  \n\n      <p><ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">VERT-certifierade system \u2013 Dokumenterad utsl\u00e4ppsreduktion\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Anpassade l\u00f6sningar f\u00f6r tunga fordon \u2013 Fr\u00e5n gaffeltruckar till stridsvagnar\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Expertis inom F\u00f6rsvarsindustrin \u2013 Godk\u00e4nda av F\u00f6rsvarsmakten\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Effektiv installation \u2013 Minimal driftstopp <\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p style=\"text-align: left;\"><a href=\"https:\/\/ehcteknik.com\/sv\/kontakt\/\"><span style=\"font-weight: 400;\">Kontakta oss f\u00f6r offert<\/span><\/a><\/p>\n<\/p>\n  <\/div>\n\n\n<div class=\"text-title-block container text-left mt-30 mb-30\">\n  \n      <h2 class=\"h2\"><\/h2>\n  \n\n  <\/div>\n\n\n<div class=\"text-title-block container text-left mt-100 mb-100\">\n  \n      <h2 class=\"h2\">Euro 5-standard<\/h2>\n  \n\n      <p><p data-pm-slice=\"1 1 []\"><span style=\"font-weight: 400;\">Sedan 2009 har Euro 5-standarden kr\u00e4vt att dieselbilar utrustas med effektiva partikelfilter f\u00f6r att uppfylla milj\u00f6kraven. Det \u00e4r avg\u00f6rande att byta dieselpartikelfilter innan bilens prestanda p\u00e5verkas negativt. M\u00e5nga \u00e4ldre bilar har ocks\u00e5 f\u00e5tt dessa filter eftermonterade. Dieselpartikelfilter minskar sotutsl\u00e4ppen med upp till 80 %, men de fungerar b\u00e4st f\u00f6r fordon som anv\u00e4nds p\u00e5 r\u00e4tt s\u00e4tt. F\u00f6r stadsk\u00f6rning eller stopp-start-m\u00f6nster kan anpassningar kr\u00e4vas.<\/span><\/p>\n<\/p>\n  <\/div>\n\n\n<div class=\"text-title-block container text-left mt-100 mb-100\">\n  \n      <h2 class=\"h2\">Hur fungerar dieselpartikelfilter?<\/h2>\n  \n\n      <p><p data-pm-slice=\"1 1 []\"><span style=\"font-weight: 400;\">Ett dieselpartikelfilter f\u00e5ngar upp sotpartiklar fr\u00e5n avgaserna, vilket inneb\u00e4r att det f\u00f6rb\u00e4ttrar bilens prestanda och h\u00e5llbarhet genom att minska utsl\u00e4ppen. Filtret beh\u00f6ver regelbunden t\u00f6mning, kallad regenerering, d\u00e4r sotet br\u00e4nns bort vid h\u00f6g temperatur och endast aska \u00e5terst\u00e5r.<\/span><\/p>\n<\/p>\n  <\/div>\n\n\n<div class=\"text-title-block container text-left mt-100 mb-100\">\n  \n      <h2 class=\"h2\">Regenerering \u00e4r antingen passiv eller aktiv<\/h2>\n  \n\n      <p><p data-pm-slice=\"1 1 []\">Passiv regenerering sker automatiskt vid h\u00f6g avgastemperatur. Eftersom m\u00e5nga bilar s\u00e4llan n\u00e5r s\u00e5dana temperaturer, finns aktiv regenerering som aktiveras av bilens styrenhet (ECU) n\u00e4r sotniv\u00e5n n\u00e5r ca 45 %.<\/p>\n<\/p>\n  <\/div>\n\n\n<div class=\"text-title-block container text-left mt-100 mb-100\">\n  \n      <h2 class=\"h2\">Aktiv regenerering<\/h2>\n  \n\n      <p><p data-pm-slice=\"1 1 []\">Under aktiv regenerering kan vissa symtom m\u00e4rkas:<\/p>\n<ul data-spread=\"false\">\n<li>Kylfl\u00e4ktarna k\u00f6rs.<\/li>\n<li>\u00d6kad tomg\u00e5ngshastighet.<\/li>\n<li>Automatisk stopp\/start avaktiveras.<\/li>\n<li>Br\u00e4nslef\u00f6rbrukningen \u00f6kar n\u00e5got.<\/li>\n<li>En skarp lukt fr\u00e5n avgaserna.<\/li>\n<li>Motorljudet f\u00f6r\u00e4ndras.<\/li>\n<\/ul>\n<p>Om regenereringen inte slutf\u00f6rs kan sotniv\u00e5n forts\u00e4tta att \u00f6ka, vilket leder till att en varningslampa t\u00e4nds. D\u00e5 kan fordonet beh\u00f6va k\u00f6ras under f\u00f6rh\u00e5llanden som m\u00f6jligg\u00f6r regenerering, exempelvis p\u00e5 motorv\u00e4g i h\u00f6gre hastigheter.<\/p>\n<\/p>\n  <\/div>\n\n\n<div class=\"text-title-block container text-left mt-100 mb-100\">\n  \n      <h2 class=\"h2\">Symtom p\u00e5 aktiv regenerering<\/h2>\n  \n\n      <p><p>Under aktiv regenerering kan du se f\u00f6ljande tecken:<\/p>\n<ul>\n<li>Kylfl\u00e4ktarna k\u00f6rs.<\/li>\n<li>\u00d6kad tomg\u00e5ngshastighet.<\/li>\n<li>Deaktivering av automatisk stopp\/start.<\/li>\n<li>En liten \u00f6kning av br\u00e4nslef\u00f6rbrukningen.<\/li>\n<li>En varm, skarp lukt fr\u00e5n avgaserna.<\/li>\n<li>Motorljudet f\u00f6r\u00e4ndras.<\/li>\n<\/ul>\n<p>Om regenereringen inte lyckas p\u00e5 grund av en otillr\u00e4cklig k\u00f6rcykel kommer det extra br\u00e4nslet som injicerats i cylindrarna inte att brinna upp och ist\u00e4llet rinna ner i sumpen. Som ett resultat av detta kommer oljekvaliteten att f\u00f6rs\u00e4mras och oljeniv\u00e5n kommer att stiga. De flesta DPF-utrustade motorer har en oljekvalitets- viskositetssensor, men det \u00e4r viktigt att du kontrollerar att oljeniv\u00e5n inte g\u00e5r \u00f6ver den h\u00f6gsta till\u00e5tna niv\u00e5n p\u00e5 oljestickan eftersom dieselmotorer kan k\u00f6ra p\u00e5 sin egen olja om niv\u00e5n \u00e4r f\u00f6r h\u00f6g \u2013 ofta tills de g\u00e5r s\u00f6nder.<\/p>\n<p>Om du ignorerar denna varningslampa f\u00f6r dieselpartikelfilter och forts\u00e4tter k\u00f6ra med ett relativt l\u00e5ngsamt, stopp\/start-m\u00f6nster kommer sotm\u00e4ngden att forts\u00e4tta \u00f6ka till cirka 75 %, och d\u00e5 t\u00e4nds antagligen ytterligare en varningslampa. N\u00e4r detta h\u00e4nder r\u00e4cker det inte bara att k\u00f6ra i en viss hastighet f\u00f6r att rensa filtret, och du m\u00e5ste ta bilen till en \u00e5terf\u00f6rs\u00e4ljare f\u00f6r \u201dtv\u00e5ngs\u201d-regenerering.<\/p>\n<\/p>\n  <\/div>\n\n\n<div class=\"text-title-block container text-left mt-100 mb-100\">\n  \n      <h2 class=\"h2\">Tv\u00e5ngsregenerering<\/h2>\n  \n\n      <p><p data-pm-slice=\"1 1 []\">Om aktiv regenerering misslyckas och sotniv\u00e5n n\u00e5r ca 70 %, kr\u00e4vs tv\u00e5ngsregenerering med hj\u00e4lp av ett diagnostiskt verktyg. Vid 85 % sotniv\u00e5 m\u00e5ste filtret tas bort f\u00f6r reng\u00f6ring eller byte.<\/p>\n<\/p>\n  <\/div>\n\n\n<div class=\"text-title-block container text-left mt-100 mb-100\">\n  \n      <h2 class=\"h2\">Vad kan f\u00f6rhindra att normal regenerering sker?<\/h2>\n  \n\n      <p><ul>\n<li>Frekventa korta resor d\u00e4r motorn inte uppn\u00e5r normal driftstemperatur.<\/li>\n<li>Fel oljetyp \u2013 bilar med dieselpartikelfilter kr\u00e4ver motoroljetyper med l\u00e5g m\u00e4ngd aska och svavel.<\/li>\n<li>Ett problem med inlopps-, br\u00e4nsle- eller avgassystemet (EGR) som orsakar ofullst\u00e4ndig f\u00f6rbr\u00e4nning kommer att \u00f6ka m\u00e4ngden sot.<\/li>\n<li>En t\u00e4nd varningslampa eller diagnostisk felkod som loggats i motorhanteringssystemet kan f\u00f6rhindra aktiv regenerering eller regenerering av katalysator.<\/li>\n<li>L\u00e5ga br\u00e4nsleniv\u00e5er f\u00f6rhindrar aktiv regenerering sker. Vanligtvis kr\u00e4vs \u00bc tank.<\/li>\n<li>Oljebyte\/serviceintervall \u2013 om serviceintervallet \u00f6verskrids kan det f\u00f6rhindra regenerering.<\/li>\n<li>Tillsatsstank l\u00e5g eller tom.<\/li>\n<\/ul>\n<p>Vill du l\u00e4ra dig mer om DPF? <a href=\"#\">L\u00e4s om olika typer av DPF-system h\u00e4r.<\/a><\/p>\n<\/p>\n  <\/div>\n\n\n<div class=\"text-title-block container text-left mt-30 mb-30\">\n  \n      <h2 class=\"h2\"><\/h2>\n  \n\n  <\/div>\n\n\n<div class=\"contact-block w-100 py-5 d-block mt-30 mb-30\">\n  <div class=\"container\">\n          <h2 class=\"text-center text-white mb-4\">Kontakta oss<\/h2>\n    \n    <script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\nvar 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