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ENG
SOUPAPES ET RESSORTS DE SOUPAPE
VENTILE UND VENTILFEDERN
AUSBAU
1. Demontieren:
Tassenstößel
1
Ventilplättchen
2
HINWEIS:
Die jeweilige Einbaulage der Tassenstößel
1
und Ventilplättchen
2
festhalten, damit sie
wieder in der ursprünglichen Lage montiert
werden können.
2. Kontrollieren:
Ventildichtung
Undichtigkeit am Ventilsitz
Ventilke-
gel, Ventilsitz und Ventilsitzbreite kon-
trollieren.
Arbeitsschritte
Sauberes Lösungsmittel
1
in die Ein- und
Auslaßkanäle gießen.
Kontrollieren, ob das Ventil ordnungsge-
mäß dichtet. Es darf keine Undichtigkeit
an den Ventilsitzen
2
auftreten.
3. Demontieren:
Ventilkeile
HINWEIS:
Zum Ausbau der Ventilkeile den Ventilfeder-
spanner
1
zwischen Ventilfederteller und Zy-
linderkopf ansetzen.
Ventilfederspanner
YM-4019/90890-04019
POINTS DE DEPOSE
1. Déposer:
Poussoirs de soupape
1
Cales
2
N.B.:
Identifier minutieusement chacun des poussoirs
1
et les cales de soupape
2
de façon à les remonter
dans leur position dorigine.
2. Vérifier:
Joint d’étanchéité des soupapes
Fuite au siège de soupape
Examiner la
face de soupape, le siège de soupape et la
largeur du siège de soupape.
Etapes de la vérification:
Verser du dissolvant propre
1
dans les orifi-
ces dadmission et d’échappement.
Vérifier l’étanchéité de la soupape.
Il ne doit pas y avoir de fuite au niveau du
siège de soupape
2
.
3. Déposer:
Clavettes de soupape
N.B.:
Fixer un compresseur de ressort de soupape
1
entre la retenue de ressort de soupape et la culasse
pour retirer les clavettes de soupape.
Compresseur de ressort de soupape:
YM-4019/90890-04019
303


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