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notchboy
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Joined: April 27, 2002
Posts: 22449
Location: Escondido CA
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 Posted: Wed Dec 07, 2016 9:44 am Post subject: Re: Eberspacher BA6 Tear down, restoration, and installation |
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| foxmon wrote: |
No pulse from the fuel pump points testing it directly at the connector. I have another combustion air blower that bench tests fine.
I'm still stuck getting the blower off the heat exchanger. Andrew how did you achive
| RONIN10 wrote: |
| System A's recently freed motor |
Am I going to get it done still in the bus? |
Spray it, beat the f*)K out of it with a soft blow hammer like BD said. You may need to chhip the asbestos gasket out as much as possible - just dont eat it. Spray it again. Have a beer. Beat the f&cK out of it some more. Rince and repeat. 
They can be a PITA to remove. Different metals. Its a cast body on the blower and a steel sleeve on the unit. Shit corrodes together. You may need to remove the whole thing to beat the shit out of it on the driveway.
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| t3kg wrote: |
OK, this thread is over. You win. |
Jason "notchboy" Weigel
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Xevin 
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Joined: January 08, 2014
Posts: 7624
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| Posted: Wed Dec 07, 2016 10:36 am Post subject: Re: Eberspacher BA6 Tear down, restoration, and installation |
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Sooo like this Notchboy? 
Link
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notchboy
Samba Member
Joined: April 27, 2002
Posts: 22449
Location: Escondido CA
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foxmon
Samba Member
Joined: September 20, 2012
Posts: 126
Location: Maine
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| Posted: Thu Dec 08, 2016 6:10 pm Post subject: Re: Eberspacher BA6 Tear down, restoration, and installation |
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If your heater hasn't run in years I highly recommend pulling it. Mine had a nest in it and I'm damn lucky it wouldn't fire. I would have had a fire.
With the heater out I was able to remove the combustion air blower with a dozen solid smacks. You can't really give it a solid smack installed because the mounts absorb the blow.
I installed my spare combustion air blower and she fired right up 
Does anyone have a combustion air blower clamp they would be willing to part with?
Thank you for the help and suggestions,
John |
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Tcash
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Joined: July 20, 2011
Posts: 12844
Location: San Jose, California, USA
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OG Velvet
Samba Family Man
Joined: February 24, 2003
Posts: 2168
Location: Portland, OR
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| Posted: Mon Sep 02, 2019 8:56 pm Post subject: Re: Eberspacher BA6 Tear down, restoration, and installation |
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Reviving an old thread here. Trying to bench test my BA6. (bought it 7 years ago. I take it out every few months and try to hook it up, stare at it, then give up). I've gotten further than ever this time. I finally found the right instructions on how to hook up the wires to bench test. (above). It finally had fired up. Both fans work but my fuel pump is not clicking. Please let me know if I am diagnosing this correctly.
When I hook up the FP directly to power, it clicks. Just once.
Does that mean it works?
The fuel pump gets its power from the points on the combustion fan correct? Ive taken the CF apart and cleaned both sets of points. It looks like they are connecting correctly.
Do you think it's my points or fuel pump?
Thanks!
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busdaddy
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Joined: February 12, 2004
Posts: 51126
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Mon Sep 02, 2019 9:34 pm Post subject: Re: Eberspacher BA6 Tear down, restoration, and installation |
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| OG Velvet wrote: |
| Do you think it's my points or fuel pump? |
Tough call without more diagnosis from you, the pump clicks once every time power is applied, there's constant power on the green wire and the brown striped wire is grounded now and then by the CF points. If that brown wire is shorted or the points aren't pointing it'll click once and stay pulled in. A test light on the pump wires will tell us alot, flash..flash..flash..?, or on all the time?
Another test would be to disconnect one wire at the pump and touch it to the terminal momentarily, click click?, or just one click then nothing?, one click with a slow recovery (despite your terminal tickling) before the next click says the pump needs cleaning out.
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OG Velvet
Samba Family Man
Joined: February 24, 2003
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Location: Portland, OR
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| Posted: Mon Sep 02, 2019 9:39 pm Post subject: Re: Eberspacher BA6 Tear down, restoration, and installation |
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| busdaddy wrote: |
| OG Velvet wrote: |
| Do you think it's my points or fuel pump? |
Tough call without more diagnosis from you, the pump clicks once every time power is applied, there's constant power on the green wire and the brown striped wire is grounded now and then by the CF points. If that brown wire is shorted or the points aren't pointing it'll click once and stay pulled in. A test light on the pump wires will tell us alot, flash..flash..flash..?, or on all the time?
Another test would be to disconnect one wire at the pump and touch it to the terminal momentarily, click click?, or just one click then nothing?, one click with a slow recovery (despite your terminal tickling) before the next click says the pump needs cleaning out. |
Thanks fo replying. I plan on doing the test light test on the points, but since it's a BA6, it's not so easy to just hook up the wires like the older units. Hard to get in the area with the 4 nubbins.
The FP does not click at all when I have the whole thing wired up and running. It's only when I apply direct power to the pump
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OG Velvet
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Joined: February 24, 2003
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Location: Portland, OR
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| Posted: Mon Sep 02, 2019 10:01 pm Post subject: Re: Eberspacher BA6 Tear down, restoration, and installation |
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I just watched another Notchboy video on how to free up the pump. Looks like my pump is good and I need to figure out why the points aren't doing their job.
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OG Velvet
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| Posted: Tue Sep 03, 2019 6:42 pm Post subject: Re: Eberspacher BA6 Tear down, restoration, and installation |
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Update **
Got the combustion fan working and the fuel pump is pumping fuel.
Now I just can’t get it to ignite. Brand new beru plug.
I will go through all the trouble shooting stuff (unless someone here gives me a few things to try ). I feel like I’m flooding it with gas. I’m a little skeered that I’m gonna have a Big Bang when it finally ignites. Should I let it rest for a bit between tries?
Signed
Don’t wanna blow up my back yard...
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busdaddy
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Joined: February 12, 2004
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Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Tue Sep 03, 2019 9:30 pm Post subject: Re: Eberspacher BA6 Tear down, restoration, and installation |
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It can't hurt to take out the plug and air it out if you think it's flooded, but I've never got any bang out of one if it was, just a shitload of black smoke and stink for a few minutes.
Confirm your glow plug is actually heating during the start cycle and there's also spark happening on the high tension lead.
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OG Velvet
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Location: Portland, OR
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| Posted: Tue Sep 03, 2019 9:33 pm Post subject: Re: Eberspacher BA6 Tear down, restoration, and installation |
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| busdaddy wrote: |
It can't hurt to take out the plug and air it out if you think it's flooded, but I've never got any bang out of one if it was, just a shitload of black smoke and stink for a few minutes.
Confirm your glow plug is actually heating during the start cycle and there's also spark happening on the high tension lead. |
So glow function is working but no spark. The spark plug does have continuity, so I am suspecting the coil. I'm digging through threads trying to figure out how to test that
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OG Velvet
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| Posted: Tue Sep 03, 2019 9:34 pm Post subject: Re: Eberspacher BA6 Tear down, restoration, and installation |
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Also, it my safety switch does eventually shut off the fuel pump, but the fans just keep running forever. Do I have something not wired correctly?
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busdaddy
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| Posted: Tue Sep 03, 2019 9:39 pm Post subject: Re: Eberspacher BA6 Tear down, restoration, and installation |
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Not sure, I'd have to look over the diagrams again. No spark is likely the issue, it's like a BN-4 that won't light unless it has full voltage and amps like when the engine is running if it's trying to do it on glow alone. At least the points for the coil are easy to get at, start there.
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OG Velvet
Samba Family Man
Joined: February 24, 2003
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Location: Portland, OR
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| Posted: Tue Sep 03, 2019 9:40 pm Post subject: Re: Eberspacher BA6 Tear down, restoration, and installation |
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| busdaddy wrote: |
| Not sure, I'd have to look over the diagrams again. No spark is likely the issue, it's like a BN-4 that won't light unless it has full voltage and amps like when the engine is running if it's trying to do it on glow alone. At least the points for the coil are easy to get at, start there. |
I cleaned and checked both sets of points last night. How do I check the coil itself?
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busdaddy
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| Posted: Tue Sep 03, 2019 9:48 pm Post subject: Re: Eberspacher BA6 Tear down, restoration, and installation |
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There must be an Ohm test shown in one of the manuals, the basic coil system is the same for all models with spark ignition and points. Many engines too, got a Hanes or Chilton manual for a motorcycle or something?
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OG Velvet
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| Posted: Tue Sep 03, 2019 10:03 pm Post subject: Re: Eberspacher BA6 Tear down, restoration, and installation |
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Does the body of the coil need a strong ground? Remember I am still bench testing so it's not mounted to the vehicle chassis.
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OG Velvet
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| Posted: Mon Sep 09, 2019 1:03 pm Post subject: Re: Eberspacher BA6 Tear down, restoration, and installation |
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Forgive the stupid question...
to check continuity on the spark side of the spark/ glow plug you test from the plug wire side to the prob end correct?
Cause if that's true, my brand new Beru plug is bad out of the box
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OG Velvet
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| Posted: Mon Sep 09, 2019 1:03 pm Post subject: Re: Eberspacher BA6 Tear down, restoration, and installation |
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Forgive the stupid question...
to check continuity on the spark side of the spark/ glow plug you test from the plug wire side to the prob end correct?
Cause if that's true, my brand new Beru plug is bad out of the box
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RONIN10
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