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71SR 340, SR 420
español / EE.UU
Si el motor pierde potencia o no fun-
ciona suavemente a máxima acelera-
ción, revise el chispero del silenciador
(si lo tiene).
Espere a que el motor se enfríe por
completo antes de efectuar las ope-
raciones siguientes.
: Use una herramienta adecuada
para comprimir los extremos de la
pinza (1) y levante la pinza para qui-
tarla.
: Quite el chispero (2) del silenciador.
: Limpie el chispero.
: Si el chispero está dañado o con
depósitos gruesos de carbón, ins-
tale uno nuevo.
La mezcla de combustible incorrecta
(demasiado aceite de motor en la gaso-
lina), el filtro de aire sucio y condiciones
de funcionamiento desfavorables (gene-
ralmente a media aceleración, etc.)
afectan la condición de la bujía. Estos
factores causan la formación de depósi-
tos en la punta del aislador lo que puede
dificultar el funcionamiento.
Si el motor tiene poca potencia, le
cuesta arrancar o funciona deficiente-
mente a velocidad de ralentí, primero
revise la bujía.
: Saque la bujía – vea „Arranque /
parada del motor“.
: Limpie la bujía sucia.
: Mida la separación entre electrodos
de la bujía (A). Vuelva a ajustar si es
necesario. Vea “Especificaciones”.
: Use únicamente bujías de tipo
resistencia de capacidad aprobada.
Corrija la causa de la suciedad de la
bujía:
: Demasiado aceite en la mezcla de
combustible.
: Filtro de aire sucio.
: Condiciones de funcionamiento
desfavorables, por ej., funciona-
miento a media aceleración.
Coloque una bujía nueva después de
100 horas de funcionamiento, aproxi-
madamente, o más temprano si nota
que los electrodos están muy desgasta-
dos.
Chispero
en el silenciador
373BA031 KN
1
2
Revisión de la bujía
000BA002 KN
72


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