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Old 10-16-2021, 10:37 AM   #1
Bus Crazy
 
Join Date: Oct 2020
Location: Near Flagstaff AZ
Posts: 1,126
I installed two imported diesel heaters and had issues with both...

I've installed quite a few of the Webasto/Espar clones and haven't had any issues with them...until this pair. I'm sure it was just my time and I was due. I resolved the problem with one (a fan sensor magnet) and was able to narrow down the issue with the other to a bad control board. I made a short video about these, in the hope that it helps someone else:

https://youtu.be/1RWAcIoi7Ic

I am waiting to hear from the seller, to see if I can get them to send me a new control board. They did say that if I buy a new control board, they'll reimburse me. I cannot find an exact version of this control board on ebay, though.

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Old 10-17-2021, 12:11 AM   #2
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Join Date: Nov 2014
Location: NM USA KD6WJG
Posts: 971
Year: 1991
Coachwork: Bluebird
Chassis: All American RE 40 FEET
Engine: Cummins 8.3
Nice video. Thanks.
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Old 10-17-2021, 04:38 AM   #3
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Join Date: Jun 2020
Location: Long Beach, CA
Posts: 569
Year: 1998
Coachwork: Blue Bird
Chassis: TC1000, 40' MPV
Engine: 5.9 Cummins/B300 trans
Rated Cap: U/K
Just this past week or so someone posted a link to a older guy who really explained the details on how those things work. I watched all 11 parts and came away feeling a lot more confident about installing and troubleshooting diesel heaters. I bought 2 a while back and I'm going to be installing one soon due to the weather change. I can't find the link ,and I thought I followed him (YouTube). He was very thorough in his testing and measurements as well as telling what to look for and what to avoid.
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Old 10-17-2021, 09:18 AM   #4
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Location: Near Flagstaff AZ
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Quote:
Originally Posted by Rwnielsen View Post
Just this past week or so someone posted a link to a older guy who really explained the details on how those things work. I watched all 11 parts and came away feeling a lot more confident about installing and troubleshooting diesel heaters. I bought 2 a while back and I'm going to be installing one soon due to the weather change. I can't find the link ,and I thought I followed him (YouTube). He was very thorough in his testing and measurements as well as telling what to look for and what to avoid.
That would be John McK, I believe - great stuff: https://www.youtube.com/channel/UCLx...ecuipKsLK1uAvQ
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Old 10-17-2021, 12:30 PM   #5
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Join Date: Jun 2020
Location: Long Beach, CA
Posts: 569
Year: 1998
Coachwork: Blue Bird
Chassis: TC1000, 40' MPV
Engine: 5.9 Cummins/B300 trans
Rated Cap: U/K
Quote:
Originally Posted by rossvtaylor View Post
That would be John McK, I believe - great stuff: https://www.youtube.com/channel/UCLx...ecuipKsLK1uAvQ
That's the guy, thank you
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Old 10-17-2021, 01:43 PM   #6
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Join Date: Jun 2016
Location: Orange County, CA
Posts: 1,066
Year: 1990
Coachwork: integral
Chassis: Crown Supercoach II (rear engine)
Engine: Detroit 6V92TAC, DDEC 2, Jake brake, Allison HT740
Rated Cap: 37,400 lbs GVWR
The lower heater appears to be upside down. When mounting these CDHs on their sides the glow pin must remain uppermost, otherwise it may become fouled by unburnt fuel and/or become sooted up. I have my bus's bedroom CDH mounted on its side, but in the same orientation as your upper heater, and it works perfectly.

John
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