[ICOM] Cleaning up faceplate knobs

[Larry L. Hinton]

Simple Green diluted properly with water should not be an issue for cleaning
knobs. If there was Ammonia, it has to be listed on the label. However,
there are other "mild" surfactants which are known to be harmful to aircraft
surfaces. Hence, there is Simple Green for Aircraft which is what I use for
the belly of my 2001 T182T.

Larry
K7YBZ

-----Original Message-----
From: icom-bounces at mailman.qth.net [mailto:icom-bounces at mailman.qth.net] On
Behalf Of K8RI
Sent: Thursday, May 26, 2011 10:29 PM
To: icom at mailman.qth.net
Subject: Re: [ICOM] Cleaning up faceplate knobs

On 5/26/2011 6:51 PM, Larry L. Hinton wrote:
> Simple Green works well for all cleaning. Non-toxic, no reaction to
> plastics, water soluble.

Be very careful with Simple Green. Some versions and I believe ALL older 
versions had Ammonia in them.  I ruined a set of $5,000 outer gear doors 
on an airplane with the stuff  and it has two of them.  They looked nice 
for a while, but they were made of an Aluminum sandwich and the Simple 
Green got down between the laminations where it didn't rinse out well at 
all. That was a VERY expensive cleaning!

Make sure the version you are using does not have Ammonia in it ans is 
approved for Aluminum.

73

Roger (K8RI)


>   Larry
> K7YBZ
>
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