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Old 07-10-2020, 04:10 PM   #1
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Name: Corey
Trailer: Casita
WA
Posts: 12
How to remove my furnace?

I'm tearing out the inside of my 92 Casita Spirit Standard and can't quite figure out how to get the furnace out.

It's located below the sink

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The diagram shows screws in the bottom of the front edge of the unit and at the exhaust vent

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I opened up the front and there are no screws on the bottom edge, so I went around to the vent on the outside and it isn't attached with screws.

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Are these rivets that I need to drill out?

Thanks!
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Old 07-10-2020, 04:13 PM   #2
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Name: Corey
Trailer: Casita
WA
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Sorry for the messed up picture formatting...not sure what happened.
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Old 07-10-2020, 06:49 PM   #3
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Name: Eddie
Trailer: 2014 Escape 21, Lil Joe
Florida
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Disconnect your four wires and gas line. There is usually a couple of screws near the front holding the furnace in place. Check for other hidden screws. The wall exhaust piece and furnace have two tubes that slide into each other and they should slide apart and that supports the rear of the furnace. Some times the tubes get stuck, wiggle or tap them if you can. The four pop rivets hold the exhaust piece to the trailer. You may be able to wiggle the exhaust port to separate the tubes if you remove the rivets as a last resort.
Eddie
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Old 07-10-2020, 07:17 PM   #4
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Name: Steve
Trailer: Casita SD 17
Loon Lake Wa. and Boulder City, Nv.
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You do not need to drill out the outside rivets. They hold that plate on and the furnace has tubes that insert into it. Why are you removing your furnace?
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Old 07-10-2020, 08:16 PM   #5
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Name: Lisa
Trailer: 1992 Scamp 13'
California
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This guy has a good video that shows what to do.

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1992 Scamp 13' Standard, 2017 Casita 17' ID,
2008 Scamp 16' Deluxe Layout 4
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Old 07-13-2020, 09:39 AM   #6
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Name: Corey
Trailer: Casita
WA
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Quote:
Originally Posted by Eddie Longest View Post
Disconnect your four wires and gas line. There is usually a couple of screws near the front holding the furnace in place. Check for other hidden screws. The wall exhaust piece and furnace have two tubes that slide into each other and they should slide apart and that supports the rear of the furnace. Some times the tubes get stuck, wiggle or tap them if you can. The four pop rivets hold the exhaust piece to the trailer. You may be able to wiggle the exhaust port to separate the tubes if you remove the rivets as a last resort.
Eddie
Thanks Eddie,

The two screws in the front (bottom edge) aren't there. I poked around a lot with a flashlight and couldn't find any hidden screws. I'll pull the sink this afternoon and check for other screws from the top. If that doesn't work then I'll try some gentle taps on the tubes. I yanked on the furnace pretty hard though, so if the tubes are stuck together they're really stuck tight.

I'll let you know how it turns out.
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Old 07-13-2020, 09:41 AM   #7
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Name: Corey
Trailer: Casita
WA
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Quote:
Originally Posted by Steve Hammel View Post
You do not need to drill out the outside rivets. They hold that plate on and the furnace has tubes that insert into it. Why are you removing your furnace?
Thanks Steve,

Glad to know I don't need to remove the exterior rivets. I was dreading that.

I'm in the process of doing an interior refresh/upgrade and need to pull the kitchenette in order to do the floor.

I'm planning to start a build thread soon.
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Old 07-27-2020, 10:07 PM   #8
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Name: Corey
Trailer: Casita
WA
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After a while of poking around I figured out what was going on. Below the furnace exhaust there were two bolts under the snap caps

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I removed these and found that they were drilled into the side of the block of wood supporting the back of the furnace

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Once removed I was able to slide the furnace out a bit.

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You can see that the block of wood is coming out as well, which explains why I was having problems. The back of the furnace was connected to the block of wood which was connected to the side of the trailer.

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On to the next issue!
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Old 07-28-2020, 10:40 AM   #9
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Trailer: '88 Scamp 16, layout 4
North Florida
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Glad you figured it out. For archive purposes I will post what I did after removing the heater from my Scamp. As I was going back with a Propex in a different location I needed to block off the vent holes in the side of the camper. I drilled out the rivets holding the heater plate to the trailer and removed it cleaning off old caulk. Then I cut a piece of copper that just fit inside/behind the vent cover. Putting a little caulk on the top and sides I re-riveted the cover to the side of the Scamp. Since the copper was already tarnished and brown it looks just like the dark holes in the vent.
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