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(ET) cleaning contacts



For cleaning electrical contacts on the Elec-Trak (or any electronic device) I have found a little carburetor cleaner on a Q-Tip works as well, and in some cases better than commercial contact cleaners. The best I have found is Wal-Mart's Brand (I believe its call TECH-2000 or something like that). It cost under a dollar for a large spray can. It's also a good for general degreasing and cleaning of metal parts on your Elec-Trak. Careful though, it will mar and in some cases melt certain plastics.

Barry Woods
E-15
Dayton, OH



On 12 Dec 2001 at 9:36, habooly earthlink net wrote:

> In addition to checking the master disconnect switch, also check the
> automotive-type fuse (or fuses) on the fire wall under the hood.

I'll second that.  This drove me nuts until I found it.

Pop the fuses out (make sure the disconnect is OFF first) and clean each
fuse and clip with fine steel wool.  When they're bright and smooth, put
something on them to prevent future corrosion.  I like Cramolin (an
electronics contact cleaner and preservative, available at most large
electronics jobbers but probably not at Radio Shlock).  Even a light coat
of vaseline will do, though it's not nearly as good as a real contact
preservative.

I also had a lot of trouble for a while with the connections on the brake
switch, located under the tractor.  These also need to be cleaned and
tightened.


David Roden - Akron, Ohio, USA
1991 Solectria Force 144vac
1991 Ford Escort Green/EV 128vdc
1979 General Engines ElectroPed 24vdc
1970 GE Elec-trak E15 36vdc
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Barry B. Woods
Asst. Chair,  Department of  Electrical Engineering


Wright State University
3640 Colonel Glenn Highway
311 Russ Engineering Center
Office Phone:  937-775-5037
Fax:  937-775-3936