Eberspacher Gas Heater 101(tech session)

notchboy · Posted: Sun Feb 01, 2009 2:21 pm Post subject:

I have this

http://www.thesamba.com/vw/classifieds/detail.php?id=90305

And these from Espar themselves. Plus some from Cali imports when they were offering reprints. Shame on them as I bet they didnt ask VW or Eberspacher Wink

But they are mostly for the old later 12v one I had.

Image may have been reduced in size. Click image to view fullscreen.

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notchboy · Posted: Sun Feb 01, 2009 4:51 pm Post subject:

My new goodie box from Canada arrived the other day. I had purchased a second unit from Ian to help fuel my "turned on again" gas heater obsession. He furnished me with one of the same early type 6v BN2s and a later pump type 12v BN2.

I quickly had at the bits and pieces of this new early BN2 to see what condition things were in. The only hard part, like the first one was getting the micro switch-quartz holder tube off. It gets quite a bit of carbon build up making for a very difficult removal. This one broke the receiver off ass I was pulling. Ill have to have some one weld it back on. But other than that I may have a winner again-thanks Ian!

Link

Link

Link

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notchboy · Posted: Sun Mar 01, 2009 6:06 pm Post subject:

Well the second unit is now finished to the same standard as the first. I couldnt help myself and had to "restore" it as well. It has a bad diaphram in the metering regulator. So Ill have to sort that out. Other than that it all works, thats its bits being tested in the above movies.

So here is the new one.

Next to the other one. I wounder how long its been since two of these type of Eberspachers were restored let alone placed next to another as if they were new out of the box!!!

MAD Twisted Evil

What it looked like from Ian.

Thanks again to Ian! Cheers mate, pints on me Wink

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Russ Wolfe · Posted: Sun Mar 01, 2009 6:18 pm Post subject:

Jason, I have about 120 lbs of diaphragm material if you need any.
About 3 sq ft for the price of the postage.
In fact I may even have the instructions for rebuilding them on my web site someplace. Compliments of a T-2 web site with their permission.
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Society is like stew. If you don't keep it stirred up, you end up with a lot of scum on the top!--Edward Abbey

Gary: OK. Ima poop.

notchboy · Posted: Sun Mar 01, 2009 6:23 pm Post subject:

Russ Wolfe · Posted: Sun Mar 01, 2009 6:30 pm Post subject:

I have never done one myself. I have a regulator for mine here that needs to be rebuilt. I was going to let you practice on yours, and then I would get you to do mine.

I bought roll of material at a Mahle auction when they closed a local plant. It was laying there on a skid with some other stuff, and when they started the bidding, I bid $2.00 for the whole skid of stuff. I got it for the $2.00 bid.
I found out later from someone in purchasing, that they paid over $5000 for the roll.
_________________
Society is like stew. If you don't keep it stirred up, you end up with a lot of scum on the top!--Edward Abbey

Gary: OK. Ima poop.

notchboy · Posted: Sun Mar 01, 2009 9:18 pm Post subject:

I was going to try one of these on the pump as well. The second one I have works but seizes some times. I wonder if this is simular to how the meter deal works? Im game then if you wana send me down some material and your meter? If I figure it out Ill do yours to? Or atleast experament on yours first Twisted Evil

http://www.thesamba.com/vw/classifieds/detail.php?id=276228
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t3kg · Posted: Sun Mar 01, 2009 9:46 pm Post subject:

Nice work on the heaters Jason. I guess it gets colder in Texas than I thought!
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crofty · Posted: Mon Mar 02, 2009 4:55 pm Post subject:

Rebuilding the pumps is pretty straightforward- I've done about a dozen of them.

Russ, if you ever want to get rid of some of that material let me know.
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Russ Wolfe · Posted: Mon Mar 02, 2009 5:11 pm Post subject:

raygreenwood · Posted: Tue Mar 03, 2009 2:05 pm Post subject:

Sounds similar to some of the composites I have used from this company for building diaphrams in various parts. Some really nice and $$$ intensive silicone composite sheeting.
http://www.mtiglobalinc.com/pdfs/MFSILTEC-FG.pdf

I have also used sil-pad from these guys. http://www.farnell.com/datasheets/27111.pdf. Mostly for heat wraps for various parts....but it would make a great diaphram. Ray

Russ Wolfe · Posted: Tue Mar 03, 2009 3:45 pm Post subject:

This is the company that we bought all of our fuel regulator diaphragms from.
http://www.chemprene.com/

Here is what the roll I have looks like. Not quite that big a roll tho.

_________________
Society is like stew. If you don't keep it stirred up, you end up with a lot of scum on the top!--Edward Abbey

Gary: OK. Ima poop.

KG1500S · Posted: Tue Mar 03, 2009 6:19 pm Post subject:

raygreenwood · Posted: Wed Mar 04, 2009 7:14 am Post subject:

Thanks for the link Russ....always nice to know another manufacturer of intersting composites. Ray

notchboy · Posted: Sun Mar 08, 2009 3:11 pm Post subject:

Russ sent me a large sheet of rubber material for the diaphram replacement. I went ahead and tackled the pump first since its an easy fix. The pump pieces all unscrew. All I had to do was pull off the old one, cut a new one out and set the rod length so it works. Wala! These can be fixed in less than a half hour.

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notchboy · Posted: Tue Mar 10, 2009 4:35 pm Post subject:

Here is the hard part of the whole deal. Not per say hard but trying as you dont know for sure how it comes apart till you actualy do one. So I jumped in and got them dismantled. Its the meetering diaphram that was truly hard and britle. Looks to have some leakage or water intrusion at some point. Now I need to get some brass screws to put it back together.

I was wondering if there is any type of gas resistant adheasive out there? It wont need much to hold these metal parts on the new gasket? And they wont just fly off eithor if the glue fails. There is still lots of meat left on the original rivets to hold things together.

Wish me luck!
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roben · Samba Member Joined: September 16, 2004 Posts: 14

I have a '69 Notchback Automatic that I have been restoring that i got from Canada. Had extensive body work done and they remove the perfectly working heater unit and put all the part in a box. Nobody have any idea how to reassemble. We have been close a few times but i really need some help. Any hints? I would greatly appreciate any help as i really want to put this back in. Thanks Rob

notchboy · Posted: Sun Aug 07, 2011 5:13 pm Post subject:

Do you have any manuals like this?

http://www.thesamba.com/vw/classifieds/detail.php?id=90305

It should look like this

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vlad01 · Posted: Mon Aug 08, 2011 2:54 am Post subject:

Cool, they look sweet as!

roben · Samba Member Joined: September 16, 2004 Posts: 14

Thanks Notchboy. I do not have any of those manuals. Mine is BN2 and 12V. Looks like the cal import manual. Where can I get one of those? I think I am getting closer. I was cgoing to give shot at cleaning out the filter and pump. If I need some of the material you scored on can I buy some from you or have you rebuild mine? R


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Eberspacher Gas Heater 101(tech session)
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