INSTRUCCIONES GENERALES DE SEGURIDAD

•Número de dientes en el cabezal de rueda (T).

•Paso de cadena (=pitch) (pulgadas). El cabezal de rueda de la espada y el piñón de arrastre de la cadena de la motosierra deben adaptarse a la distancia entre los eslabones de arrastre.

•Número de eslabones de arrastre (unidades). A cada combinación de longitud de cadena, paso de cadena y número de dientes del cabezal de rueda, le corresponde un número determinado de eslabones de arrastre.

•Ancho de la guía de la espada (pulgadas/mm). El ancho de la guía de la espada debe estar adaptado al ancho del eslabón de arrastre de la cadena.

•Orificio para aceite de cadena y orificio para pasador tensor de cadena. La espada debe estar adaptada al diseño de la motosierra.

Cadena

•Paso de cadena (=pitch) (pulgadas)

•Ancho del eslabón de arrastre (mm/pulgadas)

•Número de eslabones de arrastre (unidades)

Afilado y ajuste del talón de profundidad de una cadena de sierra

Generalidades sobre el afilado de los dientes cortantes

•No corte nunca con una sierra roma. Es señal de sierra roma cuando es necesario presionar el equipo de corte a través de la madera y el que las virutas son muy pequeñas. Una cadena de sierra muy roma no produce virutas. El único resultado es polvo de madera.

•Una sierra de cadena bien afilada atraviesa por sí sola la madera y produce virutas grandes y largas.

•La parte cortante de una cadena de sierra se denomina eslabón de corte, formado por un diente de corte (A) y un talón de profundidad (B). La distancia en altura entre ellos determina la profundidad de corte.

Hay tres medidas a considerar para el afilado del diente de corte.

1 Ángulo de afilado

2Ángulo de corte

3Posición de la lima

4Diámetro de la lima redonda

Es muy difícil afilar correctamente una cadena de sierra sin los accesorios adecuados. Por ello le recomendamos que

115 13 82-49 Rev.1 2009-08-21

Spanish – 101

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Husqvarna manuel dutilisation Generalidades sobre el afilado de los dientes cortantes, 115 13 82-49 Rev.1 Spanish
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