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Removing the screws from
the front plate lifted both the
shaft and crown wheel and a
little mess about with a pair of
circlip pliers a small hammer and
drift revealed the root of the
problem. The cheap swines had
used a nasty steel bush and this
had started to collapse with
inevitable results. |
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How
could they
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A nice
new bearing was found even though
the old one would have probably
been ok. This one is double
sealed though, unlike the old one.
I
also cut a neoprene washer to
interference fit the shaft and
fitted it under this bearing to
help keep out the grime.
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A new
bush was cut from phosphor bronze
and pressed where the old one
lived. This was not too hard as
the hole was somewhat oval and
rough where the old bush had gone
awry. On reflection I should have
used some fancy anaerobic goo to
fix it in position but it is in
now. I do have another
one though, if this one goes
splat.
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Plenty
of lithium grease was spread
about the gear cavity and the
whole thing was put back together.
I switched it on but it didn't
work, no wait .. it was just so
quiet that I couldn't tell it was
on. Ok, a bit of an
exaggeration perhaps but the
world needn't bear the costs of
making another angle grinder, or
disposing of the old one, and my
twenty notes can sleep safe in my
pocket.
*8-)
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