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Re: (ET) refinishing my "new" E15


Bob,
Part of my rationale for wanting to remove all of the paint is that there's rust underneath the paint in spots. Most of the rust is at spots without paint, but on something this old, it's not uncommon to have rust underneath the paint. I started out just planning on sanding off the visible rust and then painting - but as some of the paint came off the painted spots (with no visible paint initially due to the paint being there), there was rust underneath. So, I'm wary of going to the trouble of painting it, and then having that rust underneath cause blistering of the paint. Not sure how likely that is to happen, but that's my concern, and why I'm leaning towards removing all of the paint - or at least as much as I can reasonable remove without going to the extent of sand blasting. 

Thanks,
Mike

--

--------------------------------------------------------------
Michael S. Briggs
UNH Physics Department
(603) 862-2828
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On Tue, 6 Jun 2006, Klein Robert W NPRI wrote:


FIRST STOP AND ASK YOURSELF:  WHY DO YOU HAVE TO REMOVE ALL THE EXISTING 
PAINT?

I'm not kidding.  My Wheelhorse C-185 is 30 plus years old and yes there's 
some corrosion and the paints faded and dinged.  Unless you're going to 
build a show tractor taking it down to bare metal is actually not a good 
thing.  Paint protection is measured in Mils thickness.  More is better.  
Surface finish is measured in smoothness.  I highly recommend you lightly 
sand to remove surface rust, contaminants, etc.  You don't have to see 
shiny metal, only a rust free contaminant free surface.  Then you spray on 
a couple of coats of primer.  Then you top coat and then if you're really 
anal, clear coat for that forever shine.

With all the large flat surfaces of the electrak, you should be able to prep 
most surfaces with a 5" dual action (orbital) sander with 180-220 grit (it 
will finish around 400 with the dual action of the sander).  Hand work the 
corners and you're ready to paint.  Remember, you want a smooth finish, not a 
paint free one.

Good Luck!

Bob
-----Original Message-----
From: elec-trak-bounces cosmos phy tufts edu [mailto:elec-trak-bounces 
cosmos phy tufts edu] On Behalf Of Michael S Briggs
Sent: Tuesday, June 06, 2006 10:45 AM
To: elec-trak cosmos phy tufts edu
Subject: (ET) refinishing my "new" E15



I'm going to be restoring and refinishing an E15 that I bought last week
from a list member (thanks again Bill). The first job will be stripping
the paint off and repainting everything - and also deciding what I want to
do about the battery boxes (as is apparently common with most of these,
there's a good bit of rusting around the battery areas, and a few holes in
the sides of the boxes (well, side of the rear battery box, and the side
panels on the front).
                I'll be removing the fenders (picked up a spot weld
removal tool yesterday) to get better access to everything, and allow me
to remove the rear battery box. I'll probably also take the wheels off to
get around there better.
        We have a machine shop here at work with a sheet metal bender and
cutter, so I'm pondering making myself some nice shiny new boxes (and side
panels) - assuming I can find steel sheet metal somewhere (I've always in
the past only made things to use at work, so used sheet metal stock here -
never bought my own sheet metal for making something, so I'm not sure
where to get it).
        If that proves to be too complicated, I may fix the old ones with
bondo (not as desirable though). I've stripped some of the paint so far
just by sanding and scraping it off, but that's a rather slow process.
Apparently sand blasting is popular on the list, but I don't want to
invest in an air compressor just for that - so I'm going to try a chemical
paint stripper this weekend. After I get the paint stripped, I'll sand
down the rusted spots some more (with the power drill and sanding disk),
then apply POR-15 to much of the tractor - especially the frame
underneath, the battery boxes, and the underside of the mower deck. Then
on goes primer (except for the frame, battery boxes, and underside of the
deck, to retain the slippery POR-15 surface), then paint. Right now I'm
leaning towards a non-original color - either a blue or purple. It will be
a week or so before I get to that stage, so I'm not bothering to decide
yet.
        Once everything is nicely painted and reassembled (fenders,
battery box, etc.), I'll move on to trying to get her working - putting in
the T-105s (slightly used) I picked up, making some new battery cables (I
want to go with 4 gauge, since I'll be using Gator Blades which will
apparently mean a higher current draw, so the thicker the wire the
better), putting the motors in the mower deck and attaching the Gator
Blades, etc. etc..
        So, I'll probably have a good deal of questions over the next two
weeks or so. I've searched the archives a good bit for info on painting,
so I think I'm prepared for that. If anyone has any tips on getting the
paint off (short of sand blasting), cleaning the gunk off the underside
and underneath the mower deck, etc., please feel free to share it with me.
:)

Thanks,
Mike
E15 in progress