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jyl jyl is offline
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Wow, that is impressive - both the lathe and the EvapoRust performance. I'll pick some up today!
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1989 3.2 Carrera coupe
1988 Westy Vanagon, Zetec conversion
Really want to find a clean E28 . . .
Old 11-29-2018, 08:48 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #61 (permalink)
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Frame derusted and ready for paint.

Stripping paint and chrome off the copper boiler with abrasive nylon wheel, wire wheel, and hand sanding - tedious work. But the copper will polish up nicely, based on a test area. Probably won't get a truly mirror polish but it'll look very nice all the same.

Chrome was missing in some conspicuous places so leaving it chromed wasn't going to look good.
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1989 3.2 Carrera coupe
1988 Westy Vanagon, Zetec conversion
Really want to find a clean E28 . . .
Old 12-01-2018, 12:01 AM
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Ready to polish. Have sanded to 1000 grit. Might do a little more sanding on the places that the buffing wheel won't reach. I have teeny little buffing pads for my Dremel which might help.

Is not going to look perfect because the brazing will still be silver. Definitely not Tru6 standards. But oh well.

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1989 3.2 Carrera coupe
1988 Westy Vanagon, Zetec conversion
Really want to find a clean E28 . . .
Old 12-01-2018, 01:44 PM
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Great work
Old 12-01-2018, 02:26 PM
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Those little poofy Dremel pads, yellow and black, are really great, but wicked expensive.


Looks great!
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Old 12-01-2018, 03:40 PM
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Are they for a rotary Dremel tool? Or some other Dremel tool? I've not seen them. I can't think of a way to polish the tight spots other than by hand or some Dremel attachment. I'll do most of the boiler with my buffing wheel but that thing scares me, don't dare use it on anything that could get caught by the 8" 3500 rpm pad. It has ripped stuff from my hands before. I don't dare wear gloves or long sleeves when using it.
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1989 3.2 Carrera coupe
1988 Westy Vanagon, Zetec conversion
Really want to find a clean E28 . . .
Old 12-01-2018, 03:58 PM
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Quote:
Originally Posted by jyl View Post
Ready to polish. Have sanded to 1000 grit. Might do a little more sanding on the places that the buffing wheel won't reach. I have teeny little buffing pads for my Dremel which might help.

Is not going to look perfect because the brazing will still be silver. Definitely not Tru6 standards. But oh well.

This reminds me of when I removed all of the paint from my 914-6 oil tank and then brazed the holes.
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Old 12-01-2018, 04:57 PM
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Yeah these thingys. More for crud removal than polishing I guess.
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Old 12-02-2018, 05:58 AM
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I'm done polishing the boiler. It is actually possible to get a mirror finish, as I proved on the end piece, but it requires using the buffing wheel and I can't access every bit of the boiler with it, so there will be patches of merely shiny copper marring the mirror effect. And it's going to tarnish anyway, unless I spray it with clear lacquer. Which I am sort of contemplating doing.
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1989 3.2 Carrera coupe
1988 Westy Vanagon, Zetec conversion
Really want to find a clean E28 . . .
Old 12-03-2018, 08:08 PM
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That's beautiful!

Just remember it's going to heat cycle a lot. Maybe letting it go natural will be the coolest looking thing.
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1973 Honda CB350F
Old 12-03-2018, 09:53 PM
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Yeah. I have to remember this will be a working machine, not a static display, and that I'm not taking it to the Pebble Beach Concours.

I am taking my bag of the removed nuts and bolts to the hardware store tomorrow to replace said fasteners. Many of these are badly rusted. This machine led a hard life. The heating element gasket clearly leaked and I suspect wet cups placed on the top also dripped into the innards. I'm going to use stainless steel or brass hardware, to avoid a recurrence of rust. I may also drill some drain holes in the inside corners of the frame, so that future spills and drips won't pool.

Here is the repainted frame with the motor. Both were very rusty. A couple spots on the frame were so rusty that the metal was pitted and can't be made smooth without grinding, which I don't have the tool for. But the black Rustoleum Hammerite does a decent job disguising that, and it's all internal anyway.


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1989 3.2 Carrera coupe
1988 Westy Vanagon, Zetec conversion
Really want to find a clean E28 . . .

Last edited by jyl; 12-03-2018 at 10:21 PM..
Old 12-03-2018, 10:18 PM
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1989 3.2 Carrera coupe
1988 Westy Vanagon, Zetec conversion
Really want to find a clean E28 . . .
Old 12-05-2018, 10:39 PM
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Take these guys apart and make sure the teeny tiny bits are moving freely.


looks great!
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1996 Ducati 900 SS/SP 1963 BMW R60/2
1973 Honda CB350F

Last edited by Gogar; 12-06-2018 at 11:43 AM..
Old 12-06-2018, 11:40 AM
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Wow. That catchbasin for the pressure relief is just over the top.
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Old 12-06-2018, 12:27 PM
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That's really looking good. Nice job.
Old 12-06-2018, 01:47 PM
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Hey, I think you should put a glass panel on the top or somewhere so people can look inside.
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Last edited by Evans, Marv; 12-06-2018 at 07:28 PM..
Old 12-06-2018, 02:05 PM
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Looks good. Does it work?
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Old 12-06-2018, 02:42 PM
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Quote:
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Looks good. Does it work?

That would just be frosting at this point
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1973 Honda CB350F
Old 12-06-2018, 04:16 PM
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Quote:
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That looks more like a part of a submarine nuclear reactor instead of a coffee maker!
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Old 12-06-2018, 06:42 PM
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Work? Ha ha ha. I think I'm only 1/4 way through the refurb.

Turned to the groups. Similar state of neglect as the rest of the machine. My biggest issue is four of the M4 screws have rusted off and broken inside the body.

(Whoever maintained this machine was not very thoughtful. The original screws were M4 x 12 brass. What I found was steel screws of various lengths, rusting away, with bolts taking up the extra length.)

Can I just borrow a buddy's drill press, drill out the screws, then retap at the original thread size? I don't own a Time-Sert kit and don't want to buy one for that size.

Here are the groups. The chrome is in decent shape.



These screws held the valve to the group body. I will replace with stainless fasteners, installed with anti seize.



The rust on one of the groups was bad. This nut holding the solenoid to the valve had to be cut off.

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1989 3.2 Carrera coupe
1988 Westy Vanagon, Zetec conversion
Really want to find a clean E28 . . .

Last edited by jyl; 12-06-2018 at 09:00 PM..
Old 12-06-2018, 07:19 PM
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