3500B Generator Sets Caterpillar


Generator Bearing - Inspect

Usage:

3516B JCH

------ OPOZORILO! ------

Nepravilni postopki odkrivanja motenj in popravil lahko povzročijo telesne poškodbe ali smrt.

Naslednje postopke odkrivanja motenj in popravila sme izvajati samo kvalificirano osebje, ki je ustrezno šolano in seznanjeno s to vrsto opreme.


Za informacije o postopku varnega izoliranja generatorja glejte poglavje Varnost, "Izoliranje generatorja za vzdrževanje".

Za primerno vzdrževanje električne opreme morate opravljati redne vizualne preglede generatorja in navitij. Za primerno vzdrževanje električne opreme morate tudi izvajati ustrezne električne in toplotne preglede. Preveriti morate, ali so v izolacijskem materialu razpoke. Preveriti morate, ali je v izolacijskem materialu umazanija ali prah. Če je vrednost izolacijske upornosti manjša od običajne, je lahko prisotna prevodna pot. Ta prevodna pot je lahko sestavljena iz enega od naslednjih materialov:

Iz teh onesnaževalnih snovi nastane prevodna pot, ki lahko povzroči krake stike. Čiščenje se priporoča, če lahko vidite velike kupe umazanije ali praha. Tudi če je odvečna umazanija vzrok ovire prezračevanja, se priporoča čiščenje. Omejeno prezračevanje bo povzročilo pregrevanje.


OBVESTILO

Poslabšanje kakovosti oz. razpadanje navitij generatorja preprečite tako, da ne čistite generatorja, razen če ne opazite vidnih, električnih ali toplotnih dokazov za obstoj umazanije.


Opomba Če želite več informacij o načinih sušenja, glejte Posebna navodila, REHS4892, "Generator Bearing Service".

Caterpillar Information System:

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