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CLEAN THE MUFFLER
If the silencer is allowed to be-
come badly coated ?with carbon de-
posit, a back pressure, -which repre- ¡
sents a loss of power, is set up. j
Every second season the silencer
should be taken apart, and the car-
bon .removed by chipping with a
blunt instrument after softening the
hard layers by an application of
kerosene. Some silencers cannot bc
taken apart, and in such cases a
satisfactory method of removing the
deposit is to heat the silencer in a
fire and then plunge it into water
when the contraction of the metal
will dislodge the carbon, which may
then be shaken out. This method
entails re-painting the silencer be-
fore it is replaced in position.
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