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posted to can.rec.boating,rec.boats,rec.boats.cruising
Boots Crofoot
 
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Default Leaking drain plug flange and Alpha 1 Cathode questions

I would think that the wire is ground maybe going to the
fuel tank and or even the engine block
"Mark" wrote in message
...
Just getting the boat ready for launch in the next week or
so and I am
trying to fix up a couple things yet to do and have a couple
questions:
1) My drain plug flange has been leaking, so I got some 3M
5200 silicone to
reseal it. When removing the flange to clean up the
surfaces I found 2
screws were self tapping (as expected), but the 3rd is a
bolt which appears
to also hold onto a wire (with a crimped-on loop connector).
The long bolt
goes through the flange and transom and then suspect the
connector to be
held on to the bolt with a nut. The boat is an 1986 model
268 Searay
Sundancer and there is next to no room to get into / around
the flange at
the inside of the boat to have someone to hold the nut, so I
am going to try
a bit of silicone to hold the nut temporarily onto the wire
connector so I
can get it started on to the bolt. Does this sound like a
reasonable
approach or does anyone have any suggestions?

Also I am not certain what the wire is actually even for, as
it again is
difficult to trace down in behind and under the engine, but
suspect it may
be for electrolysis or something. Is this a fair
assumption or does anyone
know for sure?

2) I removed the electrolysis cathode (I think it is fair to
call) from the
bottom of the transom housing (two bolts) to make it easier
to paint the
housing, and noticed some sort of build up or contamination
or something on
the surface. Can or should I try sanding or cleaning up
the surface to
improve the electrolysis or is this natural and not really a
problem? My
anode (on the outdrive) is eroding as expected and there
appears to be a
little erossion on the two (screw-on) knobs at each side on
the lower part
of the housing, so I suspect everything is functioning there
ok. Should
the two knobs and cathode be replaced periodically? I boat
in fresh water
on the St. Lawrence.

Mark
The Rail, Canopy, & LifeLine (accessory) Hook guy
www.ripnet.com/vtf/prod03.htm




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