MANTENIMIENTO

dirección. Después lleve la lima al otro lado y lime los dientes de corte derechos en la dirección opuesta.

nCon un cepillo de alambre limpie las limaduras producidas por la lima.

PRECAUCIÓN:

Si la cadena está desafilada o mal afilada, durante el corte puede causar una velocidad excesiva del motor, lo cual puede dañarlo.

ADVERTENCIA:

Un afilado inadecuado de la cadena aumenta el peligro de contragolpe, lo que puede resultar en lesiones graves.

DIENTES

DE CORTE

IZQUIERDOS

DIENTES

 

DE CORTE

 

DERECHOS

Fig. 41

ÁNGULO DE LIMADURA DE LA PLACA SUPERIOR 30°

ADVERTENCIA:

Si no se cambia o se repara la cadena cuando está dañada, podría causar lesiones serias.

ÁNGULO DE LIMADURA DE LA PLACA SUPERIOR

Vea la figura 42.

n ÁNGULO CORRECTO: 30º − Los mangos de las limas están marcados con marcas guía para alinear correctamente la lima con el fin de generar el ángulo correcto de la placa superior.

nMENOS DE 30º − Para corte transversal.

nMÁS DE 30º − El canto en bisel se desafila rápidamente.

ÁNGULO DE LA PLACA LATERAL

Vea la figura 43.

n ÁNGULO CORRECTO: 80° – Se genera automáticamente si se pone una lima de diámetro correcto en el mango.

FORMA CORRECTA

MENOS DE 30°

MÁS DE 30°

FORMA INCORRECTA

Fig. 42

ÁNGULO DE LIMADURA DE LA PLACA LATERAL

80°

FORMA CORRECTA

GANCHO

PENDIENTE HACIA ATRÁS

n EN FORMA DE GARFIO – “Agarra”, se desafila rápidamente y aumenta el peligro de un CONTRAGOLPE. Resulta de esta forma por usarse una lima de diámetro demasiado pequeño, o por sostenerse ésta muy abajo.

n PENDIENTE HACIA ATRÁS – Se necesita demasiada

presión para avanzar el corte, causa desgaste

FORMA INCORRECTA

Fig. 43

excesivo en la barra y la cadena. Resulta de esta

forma por usarse una lima de diámetro demasiado

grande, o por sostenerse ésta muy alto.

MANTENIMIENTO DEL ESPACIO LIBRE DEL CALIBRE DE PROFUNDIDAD

Vea las figuras 44 a 46.

nMantenga los calibres de profundidad a un espacio libre de 0,6 mm (0,025 pulg.). Utilice un igualador de

Página 26 — Español

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Homelite UT43122, UT43102 manuel dutilisation Ángulo DE Limadura DE LA Placa Superior, Ángulo DE LA Placa Lateral

UT43102, UT43122 specifications

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