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INSP
ADJ
PARTIE ELECTRIQUE/CONTROLE DE LA BOUGIE
ELEKTRISCHE ANLAGE/ZÜNDKERZE KONTROLLIEREN
ELEKTRISCHE ANLAGE
ZÜNDKERZE KONTROLLIEREN
1. Demontieren:
Zündkerze
2. Kontrollieren:
Elektrode 1
Verschleiß/Beschädigung Erneuern.
Isolatorfuß-Farbe 2
Die normale Färbung ist Rehbraun.
Abnormale Färbung Den Motorzu-
stand kontrollieren.
HINWEIS:
Läuft der Motor viele Stunden mit niedriger
Drehzahl, weist der Zündkerzen-Isolatorfuß
auch bei gutem Motor- und Vergaserzustand
Verölung auf.
3. Messen:
Elektrodenabstand a
Eine Fühlerlehre verwenden.
Unvorschriftsmäßig Einstellen.
Elektrodenabstand
0,70,8 mm
4. Die Zündkerze ggf. mit Kerzenreiniger
säubern.
5. Festziehen:
Zündkerze
HINWEIS:
Vor dem Einschrauben der Zündkerze Ker-
zenkörper und Dichtfläche säubern.
Die Zündkerze zuerst handfest anziehen a
und dann erst vorschriftsmäßig festziehen
b.
T
R
.
.
13 Nm (1,3 m · kg)
PARTIE ELECTRIQUE
CONTROLE DE LA BOUGIE
1. Déposer:
Bougie
2. Contrôler:
Electrode 1
Usure/endommagement Changer.
Couleur de lisolateur 2
Une teinte légèrement brunâtre correspond
à l’état normal des électrodes.
Teinte franchement différente Contrôler
l’état du moteur.
N.B.:
Lorsque le moteur tourne pendant de nombreuses
heures à régimes lents, lisolant de bougie dallu-
mage se couvre de suie, même si le moteur et le
carburateur sont en bon état de marche.
3. Mesurer:
Ecartement des électrodes a
Utiliser un calibre pour câble ou un calibre
d’épaisseur.
Hors spécification Régler.
Ecartement des électrodes:
0,7 à 0,8 mm (0,028 à 0,031 in)
4. Si nécessaire, nettoyer la bougie avec un
appareil de nettoyage de bougie.
5. Serrer:
Bougie
N.B.:
Avant de monter une bougie, nettoyer son plan de
joint et son filetage.
Serrer la bougie à la main a avant de la serrer au
couple correct b.
T
R
.
.
13 Nm (1,3 m · kg, 9,4 ft · lb)
3 - 45
237


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