[Hallicrafters] SX-71 chassis restoration, Naval Jelly question

[Mark Bell]

I put a coat of Turtle wax on the chassis.  Works great.

Mark K3ZX

----- Original Message -----
From: "Dr. David Knepper" <knepper at lenzlink.net>
To: "Mark Bell" <bell at blazenet.net>; "Bob Raley" <raley at emptychair.net>;
"Hallicrafters" <hallicrafters at mailman.qth.net>; "Phil Atchley"
<k06bb at elite.net>
Sent: Friday, April 12, 2002 4:39 AM
Subject: RE: [Hallicrafters] SX-71 chassis restoration, Naval Jelly question


> Recommend that you apply a clear spray (Krylon) to the chassis to preserve
> and protect the finish.
>
> David Knepper - W3ST
> Publisher of the Collins Journal
> Secretary to the Collins Radio Association
> CRA website:  http://www.collinsra.com
>
> -----Original Message-----
> From: hallicrafters-admin at mailman.qth.net
> [mailto:hallicrafters-admin at mailman.qth.net]On Behalf Of Mark Bell
> Sent: Thursday, April 11, 2002 9:23 PM
> To: Bob Raley; Hallicrafters; Phil Atchley
> Subject: Re: [Hallicrafters] SX-71 chassis restoration, Naval Jelly
> question
>
>
> I've just completed restoration on my HQ-170.  It was completely
> covered with light rust.   I used Klean-Strip Rust Remover available
> at Wal-Mart.  This is washed off with water.  Afterwards,  I polished
> the chassis with "Never Dull".     I was very pleased with the results.
>
> The problem with using a Dremel tool with brushes is that it
> will scratch the chassis.
>
> 73 Mark K3ZX
>
> ----- Original Message -----
> From: "Bob Raley" <raley at emptychair.net>
> To: "Hallicrafters" <hallicrafters at mailman.qth.net>; "Phil Atchley"
> <k06bb at elite.net>
> Sent: Thursday, April 11, 2002 6:46 PM
> Subject: Re: [Hallicrafters] SX-71 chassis restoration, Naval Jelly
question
>
>
> > Phil would you mind sharing anything you get in response to your
> questions.
> > I'm going through the same thing right now with an SX-100.  I need some
> new
> > ideas too.  I finished up an HT-32 last year with the same type of rust
> > problems too.  I used stainless steel brushes--Dremel tool with wire
> brushes
> > installed---sand paper as you mentioned and naval jelly also. Q-tips
come
> in
> > handy for applying the naval jelly and for clean-up too.   I used
mineral
> > spirits to neutralize the naval jelly.  I then masked everything off,  I
> > didn't want paint on, and then used Rustoleum brand aluminum spray
paint.
> > The blue colored masking tape seems to work well because it's designed
to
> > come off readily and not leave any tape residue.  It came out looking
> pretty
> > good.  These are the things that worked for me but I'm sure others in
the
> > group want to know what you learned.
> > Good luck with the project.............Bob Raley kg5r
> >
> > ----- Original Message -----
> > From: "Phil Atchley" <k06bb at elite.net>
> > To: <hallicrafters at mailman.qth.net>
> > Sent: Wednesday, April 10, 2002 10:44 PM
> > Subject: [Hallicrafters] SX-71 chassis restoration, Naval Jelly question
> >
> >
> > > Hello all
> > > Well the SX-71 refurb is coming along well.  Since the capacitors
> haven't
> > > arrived yet I decided to do some "top of the chassis" work.  As there
> was
> > a
> > > significant amount of rust spots I anticipated this job taking quite
> some
> > > time to accomplish.  However, working on it with Naval Jelly (#3 for
> > severe
> > > rust), wet/dry paper etc I managed to do about 2/3rds of the chassis
top
> > > this evening and while it will definitely be "spotty" with shiny
> "sanded"
> > > spots etc it is coming out much better than I'd hoped.  I first took
the
> > > time to cover all tube sockets with masking tape and trimmed around
them
> > > with the Xacto knife to keep the holes clean.
> > >
> > > Questions:
> > > 1.  After removal of the Naval Jelly I carefully washed the chassis
with
> > wet
> > > paper towels then viguoursly scrubbed it with WD-40 soaked paper
towels
> to
> > > make sure all residue is gone.  But I wonder.  Naval Jelly is an acid.
> Do
> > I
> > > need to 'neutralize' it with something (like baking soda water etc) or
> is
> > > the washing/oiling good enough?  At one point I considered "hand
> brushing"
> > > it with silver or aluminium paint to protect the chassis against
further
> > > rust (I don't want to use a "spray" paint around the tuning caps etc)
> > >
> > > 2.  What is the best way to replace the very funky rubber bushings on
> the
> > > tuning capacitor and what size grommets were the originals?
> > >
> > > 73 de Phil  KO6BB
> > > Loving home provided for wayward Boatanchor Receivers
> > > k06bb at elite.net
> > > Merced, Central California
> > > 37.18N 120.29W CM97sh
> > >
> > >
> > >
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