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12-12-2012, 04:15 PM
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#1
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Member
Join Date: Nov 2012
Posts: 73
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Furnace Problems Any idea's
Hello all,
About four days ago my furnace began acting up. After the fans turned for about 60-90 seconds, we heard a fairly loud bang, kind of like a small firecracker going off. I shut it down right away, and tried it again the next night and heard the same sound. It was pretty scary so we did not use it again for the rest of the trip.
Anybody have an idea of what the problem might be? I'm handy enough to fix it (I think), but not sure where to start. Any ideas? Thanks.
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Cliff Robinson
1976 Newell Coach W/Cummins Engine
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12-12-2012, 04:59 PM
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#2
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Member
Join Date: Nov 2009
Posts: 28
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Check for obstructions in the outside combustion air intake and exhaust - mud daubers and other insects are attracted by the smell of propane and like to build nests there.
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12-12-2012, 05:02 PM
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#3
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Senior Member
Join Date: Dec 2005
Location: Southern California
Posts: 1,018
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Agree on the mud dabber problem and you might need to clean the burner as well. It sounds like its getting too much gas and then the pilot lite, or spark, whichever you have is coming on too late and there's an overload of gas that finally gets ignited.
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1976 Newell Classic (Sold)
Home Base: Riverside, CA
If anyone needs my contact info private message me and I will send it to you.
-Joseph-
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12-12-2012, 08:18 PM
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#4
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Member
Join Date: Nov 2012
Posts: 73
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Thank you for your reply's. I'm going to take a look at it this weekend. Much appreciated Cliff.
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Cliff Robinson
1976 Newell Coach W/Cummins Engine
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12-13-2012, 01:18 AM
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#5
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Senior Member
Join Date: Jun 2009
Location: Idyllwild, CA
Posts: 1,340
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yep, check the fan and the burner. do the recommended maintenance. The Suburban Furnaces are reliable as long as they are maintained.
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have Coach will Travel
Steve & Tricia
1982 Newell 38' (built before #1) 6V92 DD, 5 Speed Allison, 12.5 KW Kohler, Couch used to make into a Bed but I fixed it!
https://newellshowcase.com/thumbnails.php?album=214
2007 Yukon, 1981 CJ7 Laredo, 2002 Honda CRV, 1955 Thunderbird, 1952 Pontiac Sedan Delivery, 1952 Ford 8N, 1958 Airstream, 1959 Glasspar 16' Avalon, Cabin in the Woods........what will I work on next
[SIGPIC][/SIGPIC]
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12-14-2012, 01:07 PM
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#6
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Senior Member
Join Date: May 2008
Location: Just North of Detroit, a surprizingly great city
Posts: 380
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In addition to the above suggestions I would add that unless your sail switch has failed in the on position you should not have the gas being turned on unless adequate air is blowing through the system for some time to ensure there is no residual gas.
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Jon and Alie Kabbe
Started with 77 Coach
Now have 39' 93 coach
2007 civic toad
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