[R-390] Rat Track Solvent?

[KC8OPP Roger S.]

Scott,

I have had good luck with WD-40 and scotch bright pads, careful on the painted surfaces.

73's
Roger
KC8OPP




--- On Mon, 12/22/08, Scott <scott at becklawfirm.com> wrote:

> From: Scott <scott at becklawfirm.com>
> Subject: [R-390] Rat Track Solvent?
> To: r-390 at mailman.qth.net
> Date: Monday, December 22, 2008, 3:22 AM
> Hello All----
> 
> A while back, I remember conciderable disscussion on
> various cleaning materials for various problems and places
> in the 390. I'm not doing a 390 just now (three to go)
> but the solution to my present problem might be useful in
> sombody's 390 restoration.
> 
> Recently, I said OK to a request to fix a repeater that
> suddenly quit after years of trouble free service. I found a
> critical wire chewed in two and several more
> "almosts". The fixes were easy but a problem
> remains in the cleanup.
> 
> Rat trash and droppings (OK to read as a common four letter
> word) swept and vacuumed out of the rack easily but the
> brown "tracking" residue remaining on the base
> surfaces and apparent rat trails is resistant to everything
> I have tried----water, dish and laundry detergents straight
> and with water, 409, alcohol, "Goo-off" and paint
> thinner. The crud releases from vinyl wire with a lot of
> scrubbing using one of the detergents and water but nothing
> I have tried lifts the crud at all from a painted, bare,
> galvanized or plated metal surface.
> 
> What works?---any and all practical suggestions will be
> tried and their performance reported and I apologize for
> stretching the 390 boundry a bit.
> 
> Thanks much--
> 
> Scott, N6NXI
> 
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