"kevmor" wrote in message
...
I went to a local auto parts store (Napa) and looked at their fuses.
They're packaged with their logo, but when you look at the fuse itself, it
has the same "BUSS" lettering, I assume they're Bussmann? Other than the
"AGC" instead of "AGS", they seem to be identical. It was $1.50 for 5
compared to $30-50 online (with minimum orders for aircraft parts). Could
it be this easy? I couldn't find on Bussmann's website anywhere that says
AGC replaces AGS, though.

The real question is not whether the AGC fuse would probably work, but
whether is the authorized replacement; and without the specfications for the
old AGS fuse, that is difficult to guess.

For whatever reason, Cessna does not put a lot of information on line for
public use and the Cessna 150-152 club also requires a member log in to view
their collection of service bulletins. If it was mine, I would certainly
consider a membership that might give me the same collection of reference
material as my mechanic should have.

OTOH, in this case, it looks like the easy answer may be to walk up to the
nearest Cessna parts counter. I have been wrong before, but I think they
will have an authorized substitute; and if the physical size is the same, it
will probably be less than $5, since there will then be no need to replace
the socket. I strongly suspect that the AGS20 was simply a useable part
they had in stock at the time, and that they have long since determined an
appropriate substitute. Therefore, once you have the authorized sample, and
any needed documentation--such as a service bulletin number--things should
be a lot simpler.

BTW, I have lived in Florida for many years and before breaker panels became
common in houses, we kept our household fuses in a glass jar with an
airtight lid until they were needed--otherwise they corroded just enough to
fail shortly after they were installed. Therefore, I do not trust old
fuses; and that is a large part of the reason for my insistance that you
should look for the authorized substitute. The remaining reason, obviously,
is the cost.

I hope this helps
Peter

PS: Yes, BUSS is Bussman.