{"id":1818,"date":"2019-03-22T22:32:22","date_gmt":"2019-03-22T21:32:22","guid":{"rendered":"https:\/\/www.vehiculesanciens-airbuspalays.fr\/?p=1818"},"modified":"2019-03-22T22:32:23","modified_gmt":"2019-03-22T21:32:23","slug":"09-fevrier-2019-demontage-2-2-2-3-2-2","status":"publish","type":"post","link":"https:\/\/www.vehiculesanciens-airbuspalays.fr\/?p=1818","title":{"rendered":"12 Mars 2019 &#8211; Matra530 &#8211; Avanc\u00e9es moteur"},"content":{"rendered":"<p>Bonjour aux amateurs de belles vieilles m\u00e9caniques,<br \/>\nLes derni\u00e8res semaines perso ont \u00e9t\u00e9 tr\u00e8s charg\u00e9es et j&#8217;ai tard\u00e9 \u00e0 \u00e9crire ce CR mais, &#8220;consign\u00e9&#8221; au calme cet aprem, je m&#8217;y colle quand m\u00eame enfin&#8230;<br \/>\nTout d&#8217;abord des news de Patrick absent de cette session qui me disait hier \u00eatre \u00e0 85 % de sa forme, donc presque au top pour \u00eatre avec nous mardi prochain.<\/p>\n<p>Merci aux acteurs de ce nouvel \u00e9pisode sympa ciblant 4 th\u00e8mes:<\/p>\n<p>1 Evaluer le jeu aux guides de soupapes pour d\u00e9cider de leur remplacement:<br \/>\nBlaise et ses doigts d&#8217;or l\u00e9gendaires bien compl\u00e9t\u00e9 par G\u00e9rard aussi amateur de pr\u00e9cision ont \u00e9valu\u00e9 les jeux par une m\u00e9thode empirique mais bien adapt\u00e9e au besoin : placement de la soupape dans les 2 positions extr\u00eames du jeu + mesure de l&#8217;\u00e9cart \u00e0 la cale paillette au niveau du disque d&#8217;extr\u00e9mit\u00e9. \u00c7a donne le r\u00e9sultat suivant versus les spec de la doc technique<br \/>\ntypique \u00e0 l&#8217;admission comme l&#8217;\u00e9chappement: 0.075 mm au diam\u00e8tre<br \/>\npour des spec qui sont max 0.063 mm \u00e0 l&#8217;admission et 0.089 \u00e0 l&#8217;\u00e9chappement<br \/>\n=&gt; a priori il faut remplacer les guides de soupapes<\/p>\n<p>2 Evaluer le jeu au niveau des paliers de l&#8217;arbre d&#8217;\u00e9quilibrage et de l&#8217;arbre \u00e0 cames pour d\u00e9cider de leur remplacement:<br \/>\nPour l&#8217;arbre \u00e0 cames :<br \/>\nJeu mesur\u00e9 par la m\u00eame m\u00e9thode : 0.041 mm pour une spec max \u00e0 0.077 mm<\/p>\n<p>=&gt; a priori il n&#8217;est pas n\u00e9cessaire de remplacer les paliers de l&#8217;arbre \u00e0 cames<\/p>\n<p>Pour l&#8217;arbre d&#8217;\u00e9quilibrage :<br \/>\nPour cet arbre on note de l&#8217;\u00e9caillage du mat\u00e9riau de friction sur les 2 paliers d&#8217;extr\u00e9mit\u00e9 et il n&#8217;a pas \u00e9t\u00e9 n\u00e9cessaire de creuser la mesure des jeux<\/p>\n<p>=&gt; a priori il est n\u00e9cessaire de remplacer les paliers de l&#8217;arbre d&#8217;\u00e9quilibrage<\/p>\n<p>Synth\u00e8se sur les guides et les 2 arbres :<br \/>\nIl faut remplacer les guides de soupapes et les paliers de l&#8217;arbre d&#8217;\u00e9quilibrage seulement.<br \/>\nC&#8217;est un travail de professionnel de l&#8217;usinage des moteurs qui serait a priori Bastide \u00e0 Montaudran \u00e0 2 pas de notre site Airbus. Je pr\u00e9vois de les solliciter pour \u00e9tablir un devis.<\/p>\n<p>3 R\u00e9flexion sur l&#8217;\u00e9tat oxyd\u00e9 des conduits de circulation d&#8217;eau bloc + culasses + collecteur admission:<br \/>\nMalgr\u00e9 le passage au Karcher violent et efficace pass\u00e9 le 4 mars les conduits (notamment la fonte) sont tr\u00e8s oxyd\u00e9s et il faut aller plus loin.<br \/>\nLes recherches de G\u00e9rard ont converg\u00e9 avec les miennes et nous ont conduits \u00e0 pr\u00e9voir un traitement au bain au Restom Pac 2030. G\u00e9rard a appel\u00e9 Restom qui a confirm\u00e9 que c&#8217;est le bon process. On a donc pr\u00e9vu lors de la prochaine session de constituer un syst\u00e8me \u00e9tanche avec des joints custom \u00e0 fabriquer \u00e0 base de chambre \u00e0 air : bloc + culasses + collecteur (alu) mais OK valid\u00e9 par Restom. Apr\u00e8s appro du produit Restom on pourra \u00e0 la session suivante faire le bain sp\u00e9cifi\u00e9 de 4h puis rin\u00e7age au Karcher ou au jet d&#8217;eau, \u00e0 rediscuter.<\/p>\n<p>Synth\u00e8se des travaux pr\u00e9vus sur le bloc + les culasses chez Bastide apr\u00e8s nettoyage des conduits :<br \/>\nd\u00e9gla\u00e7age des cylindres<br \/>\nremplacement des guides de soupapes (\u00e0 approvisionner)<br \/>\nremplacement + rectif pour avoir le bon jeu des paliers d&#8217;arbre d&#8217;\u00e9quilibrage<br \/>\nblanchir les plans de joint des culasses<br \/>\n4 D\u00e9montage et nettoyage N\u00b0 2 du carbu:<br \/>\nEliane, Ren\u00e9 et Nicolas nous ayant vaillamment rejoints en 2 \u00e8me partie d&#8217;aprem se sont attaqu\u00e9 au carbu qui avait d\u00e9j\u00e0 \u00e9t\u00e9 nettoy\u00e9 de sa premi\u00e8re couche (\u00e9paisse) de crasse par Eliane lors d&#8217;une session pr\u00e9c\u00e9dente. Le carbu a donc \u00e9t\u00e9 patiemment d\u00e9mont\u00e9 et nettoy\u00e9 avec les moyens du bord = de l&#8217;essence seulement. Toute la quincaille est soigneusement rang\u00e9e et l&#8217;activit\u00e9 trac\u00e9e en photos pour le remontage. Le carbu est en bon \u00e9tat a priori, il faudra tester le fonctionnement du starter auto par une manip d\u00e9di\u00e9e et approvisionner le kit de remplacement des joints + autres gadgets. La prochaine \u00e9tape sera le nettoyage des principaux \u00e9l\u00e9ments du carbu par bain aux ultrasons. J&#8217;ai compris que plusieurs personnes ont un bac de dimension variable (dont G\u00e9rard qui en a un tr\u00e8s grand, de 4 l je crois, pour la rampe de carbus de sa XJ600 et je suis demandeur de vos propositions de pr\u00eat ponctuel d&#8217;un bac plus petit, cf photos jointes pour \u00e9valuer le besoin, merci.<\/p>\n<p>A noter qu&#8217;Eliane commence \u00e0 bien conna\u00eetre le carbu et qu&#8217;il sera bon qu&#8217;elle soit impliqu\u00e9e dans son remontage (et qui sait postuler pour le titre honorifique de Miss Carbu?)<\/p>\n<p>D&#8217;apr\u00e8s l&#8217;\u00e9tat connu \u00e0 ce jour, je liste ici ce qu&#8217;on peut a priori pr\u00e9voir principalement sur l&#8217;ensemble moteur-boite, :<br \/>\nfaire blanchir les port\u00e9es de joint des 2 culasses par un atelier sp\u00e9cialis\u00e9 du style &#8220;Bastide&#8221; \u00e0 Montaudran<br \/>\nremplacer les guides de soupapes par un atelier sp\u00e9cialis\u00e9 du style &#8220;Bastide&#8221; \u00e0 Montaudran<br \/>\nroder nous-m\u00eames les soupapes (kit \u00e0 approvisionner)<br \/>\nfaire remplacer-al\u00e9ser les bagues de l&#8217;arbre d&#8217;\u00e9quilibrage dans le bloc par un atelier sp\u00e9cialis\u00e9 du style &#8220;Bastide&#8221; \u00e0 Montaudran<br \/>\nremplacer les coussinets des paliers du vilo et des t\u00eates de bielles<br \/>\nremplacer les segments<br \/>\nremplacer bien s\u00fbr tous les joints moteur et seulement celui (Spi) de sortie de boite<br \/>\npr\u00e9parer et peindre les blocs moteur \/ culasses \/ boite<br \/>\nnettoyer le carbu aux ultra sons et remplacer tous les \u00e9l\u00e9ments du kit standard \u00e0 approvisionner<br \/>\nd\u00e9monter-nettoyer-r\u00e9viser l&#8217;allumeur<br \/>\nremplacer la pompe \u00e0 eau, la pompe \u00e0 huile<br \/>\nr\u00e9viser la pompe \u00e0 essence<br \/>\nle radiateur de refroidissement est \u00e0 restaurer par une soci\u00e9t\u00e9 sp\u00e9cialis\u00e9e, l \u00e9tat de celui de chauffage est a voir, au moins par un trempage a la lessive st Marc. Alain a sugg\u00e9r\u00e9 St Jory radiateurs,\u00e0 moins d une autre bonne suggestion?<br \/>\nIl y aura aussi une grosse activit\u00e9 de r\u00e9fection des nombreux tuyaux de refroidissement et de chauffage, \u00e0 inventorier dans un premier temps<br \/>\nJe pr\u00e9parerai une liste xls des travaux \u00e0 pr\u00e9voir-planifier en compl\u00e9ment de celui des appros que je vous ai d\u00e9j\u00e0 transmis et qui \u00e9volue bien s\u00fbr.<\/p>\n<p>Voili voilou, avec qques photos du mardi 5 mars ci-jointes.<\/p>\n<p>La suite propos\u00e9e mardi 26 mars apr\u00e8s-midi avec au moins Patrick, G\u00e9rard, peut-\u00eatre Blaisou et Ren\u00e9? et mapomme :<br \/>\npr\u00e9paration joints caoutchouc et assemblage \u00e9tanche moteur-culasses-collecteur (j&#8217;apporterai de la chambre que je pr\u00e9vois de r\u00e9cup\u00e9rer chez le marchand de pneus d&#8217;Escalquens et des emporte pi\u00e8ces<br \/>\nd\u00e9montage \/ examen radiateur chauffage pour d\u00e9cision travaux<br \/>\npr\u00e9paration radiateur pour soumettre \u00e0 un pro de la r\u00e9fection<br \/>\nbrainstorming sur travaux \u00e0 pr\u00e9voir<br \/>\nrevue tableur appros moteur<br \/>\nregroupement des pi\u00e8ces associ\u00e9es au label &#8220;moteur-boite &amp; p\u00e9riph\u00e9riques&#8221; pour que l&#8217;inventaire soit exhaustif<br \/>\nLa suite sera a priori le lundi 1er avril aprem (jusqu&#8217;\u00e0 18h) et ce n&#8217;est pas une blague&#8230;<\/p>\n<p>Et bonnes vacances \u00e0 Claude !<\/p>\n<p>A bient\u00f4t pour de nouvelles aventures et merci \u00e0 ceux qui m&#8217;ont lu jusqu&#8217;au bout (il faut au moins \u00eatre retrait\u00e9)!<\/p>\n<p>Amiti\u00e9s m\u00e9caniques<br \/>\nR\u00e9mi<\/p>\n<style id=\"bwg-style-0\">    #bwg_container1_0 #bwg_container2_0 .bwg-container-0.bwg-standard-thumbnails {      width: 1264px;              justify-content: center;        margin:0 auto !important;              background-color: rgba(255, 255, 255, 0.00);            padding-left: 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\n","protected":false},"excerpt":{"rendered":"<p>Bonjour aux amateurs de belles vieilles m\u00e9caniques, Les derni\u00e8res semaines perso ont \u00e9t\u00e9 tr\u00e8s charg\u00e9es et j&#8217;ai tard\u00e9 \u00e0 \u00e9crire ce CR mais, &#8220;consign\u00e9&#8221; au calme cet aprem, je m&#8217;y colle quand m\u00eame enfin&#8230; Tout d&#8217;abord des news de Patrick <a class=\"more-link\" href=\"https:\/\/www.vehiculesanciens-airbuspalays.fr\/?p=1818\">Continuer la lecture <span class=\"screen-reader-text\">  12 Mars 2019 &#8211; Matra530 &#8211; Avanc\u00e9es moteur<\/span><span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44,8],"tags":[57],"class_list":["post-1818","post","type-post","status-publish","format-standard","hentry","category-projets-collectifs","category-renovation-collective-dune-matra","tag-matra-530"],"publishpress_future_action":{"enabled":false,"date":"2026-06-02 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