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OMA 503 - Page 48

OMA 503
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Fig.50-Abb.50
Fig.51-Abb.51
4-(Fig.50)Inserireilpernospingimolla(1)nellaspinadentata(10)e
successivamentelamolla(2),avendocuradiingrassarelesuddette
partiprimadimontarle.
5-Inserirelospinotto(3)nelforodellaspinadentata(10)esuccessiva
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menteposizionarelarondelladentata(5)sull’estremitàscanalatadella
spina(10)chesporgeràdalsupportodeibracci(11)dialcunimillimetri.
Montarequindilamolla(8)facendonecoincidereildiametrointernocon
larondellapostasullarondelladentata(5).
Coprireconilcappellotto(7),inserireleviti(9),centrandoiforidel
supportobracci,quindiavvitarle.
6-Verificareilcorrettofunzionamentodeldispositivodibloccaggio
bracci,premendoversol’altoilpernospingimolla(1)eruotandoilbrac
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cioinunodei2sensi,cosìchedopounabreverotazioneilpernoritorni
nellasuaposizione(Fig.51).
7-Ripeterelestesseoperazioniperilmontaggiodeglialtri3bracci.
4-(Fig.50)Insertthespringpressurepin(1)intothehollowcoreofthe
splineddowelpin(10)andthenfitthespring(2).Greasethepartsbefo
-
reassembling.
5-Nowinsertpin(3)intothehollowcoreofthedowelpin(10)and
thenfitcollar(5)withsplinesontheinsidediameteroverthesplineson
thedowelpin(10)(notethatthesplineddowelpinwillprotrudefromthe
armbracket(11)byafewmillimetres.
Fitthesecondspring(8)sothattheinsidediameterengagesthepre-
assembledwashersecuredbythescrew(5).
Fitcap(7)andinsertscrews(9)makingsuretheyengagetheholeson
thearmbrackets,thentighten.
6-Checkthatthearmlockingdevicefunctionscorrectlybypushingthe
springpressurepin(1)upwardsandturningthearmineitherdirection.
Thepinshouldfallafterabriefrotation(Fig.51).
7-Repeatthesamestepswheninstallingtheother3arms.
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