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Old 10-19-2010, 10:29 AM   #1
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? Fresh water tank size

We recently acquired a '98 Fleetwood Jamboree 29 Ft C-Class MH. Does anyone know the capacity of the fresh water, gray and black water tanks and how to acquire an owner's manual?

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Old 10-19-2010, 02:36 PM   #2
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A Jamboree Owner manual is probably pretty generic RV stuff, like how to wash the exerior. Most of the "owner manual" is a collection of documents form the component suppliers for tvs, water heater, furnace, a/c, etc. and those can usually be fournd online and downloaded.

Fleetwood has a general RV owner manual and you can get one by calling Fleetwood Customer Service.

Hopefully another Jamboree owner can give you tank info, but FW customer service might help with that too.

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Old 10-19-2010, 02:49 PM   #3
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[QUOTE=TAURUSFOLLY;720673]We recently acquired a '98 Fleetwood Jamboree 29 Ft C-Class MH. Does anyone know the capacity of the fresh water, gray and black water tanks/QUOTE]

Fill them all up and run them each into a bucket, counting the buckets as you go. This should give you a close idea.
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Old 10-19-2010, 02:54 PM   #4
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found this on the net:

Fleetwood: Fleetwood, like many companies, fell victim to bankruptcy in 2009. They completely dropped their towable line and now only deal with motorhomes. If you are looking for a manual for any Fleetwood product, call 1-800-322-8216. Select the prompt for motorhome manuals even if you have a towable unit. Tell the service rep if you have a towable unit and they will send you a manual if available
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Old 10-19-2010, 06:31 PM   #5
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What ever the capacity, it's never enough!
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Old 10-19-2010, 06:37 PM   #6
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There should be a tag inside one of the closets or cabinets that list a bunch of weight specs and volume specs on the RV.

Generally they rang from 30 to 40 gallons and sometimes include the volume of the water heater.

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Old 10-22-2010, 11:17 AM   #7
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If you can see the tanks you could do as I did. Measure the length, width, & height of the tank in inches. Then multiply those measurements together LxWxH= cubic inches of tank.

Then multiply the cubic inches of the tank by 0.00432900433 and that will give you the number of US gallons the tank holds.

1 cu inches = 0.00432900433 US gallons

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Old 11-27-2011, 06:55 PM   #8
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I don't think you can rely on what the manuf says as tank size.

Just replaced my sensors with the "Horst" tank sensors. My black tank has been "full" since shortly after I bought this M.H. 2004. The gray was almost as bad rarely showing below 2/3. I have tried chemicals, Dawn, water softener powder, Borax and many more including ice in the tank but nothing has worked. Winnebago has told me that I have a 52 G black & 48 G gray. My owners manual does not show capacity for the 40AD, only for models 34TD & 36GD. Size of 36GD is 52 & 48, same as Winn tells me is correct for my model.
I checked the wiring diagram on the internet, confirmed it matched what I have and started installation of new sensors after confirming with a jumper that each wire on both tanks did what they were supposed to do. I called Winn again and asked if there was a specific location for each sensor as they appeared to be installed somewhat randomly, was told that because of tank configurations/shapes they might look "off" but were correct as the holes were located with a "dimple" showing where they were to go. New sensors are in, and tanks both read empty, 1st time in years. As I now have access to the tanks & sensors I thought it was a good time to test everything before closing it up. Blk tank, 52 ga, working in 1/3rds it should be 17.3 + 17.3 + 17.3. I poured 1 ga water in toilet & marked the bowl. After 23 ga, the 1/3 blinked, 1 more ga showed a steady1/3 light 24 ga total. Continued adding water after another 14 ga and the 2/3rd blinked, another 13 ga showed a steady 2/3 light, thats 27 ga for the 2nd 3rd of the tank or 51 ga for 2/3 tank from empty. Try for the full light so 11 ga brought it up to 8" below the top of ball seal, 1 more ga to 6" below ball, ! more ga to 4 below ball and it "burps" back to the bowl after the last 2 ga. sixty two ga (51 + 11) ga seems to be as much as you can use in this tank AND I never got to the full mark.

Gray tank was better, 48 ga cap= 16 1/3 ga for each section.
Marked the wash basin at 1 ga and started again. after 18 ga a solid 1/3 light, another 12 ga & the 2/3 light blinked but was not solid until I reached a total of 22 ga.
there is now 40 measured ga in this 48 ga tank and only 2/3 full. Added another 10 ga watching for the full light and for water in the shower no light but I hear water burping in the shower, another 10 ga and I think it is full, did not come up in the shower but when I added water in the shower did not want to drain. So usable gray tank may be around 50 ga, and still no full light.
These are all measured and should be very close, the MH was on jacks and level during this.
After this I question the location of the tank sensors as well as the capacity, I will be calling Winn Monday but am interested in any comments you may have. Oh yes, they now read empty when they are empty.

Since I posted this on the Winn site I have been on the road 2 wks,,,,And the Horst sensors look to be working great. If I have reason to remove the panels covering the tanks I think I will relocate the sensors to be more in line with the standard E, 1/3, 2/3, F shown on the monitor panel

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29' fleetwood jambor 1989, fleetwood jamboree, jamboree '98 specs

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