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Fuel tank Operation https://www.policeinterceptor.com/revconforums/viewtopic.php?f=2&t=70 |
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Author: | manx69 [ Thu Jun 11, 2015 2:15 pm ] |
Post subject: | Fuel tank Operation |
Hello, How does the fuel tank switching work? My 1983 King has a 60 gal main tank and 40 gal. reserve. They are connected by a line (about 2') with a ball valve isoplation. I am not confident that anything happens when i switch from the cockpit. I think the gages switch but that's all. Is there only one fuel pump? Are there supposed to be solenois valves that switch the suction? Is this the most active site people are using today? I used be on the old Curious site but not active in awhile. I bought the coach site unseen a couple of years ago and was ripped-off terribly. I'm doing my best to make lemonade out of a lemon. So far, all of the drive train has been gone through and all fluids changed. Lots of issues repaired in that effort but still has an engine main seal elak that I will just live with for now. Went through the hotel systems and got them all working once but problems keep coming back. I could have bought a nive revcon or GMC for far less than i have in this and it is still just an eyesore in my yard. The opaint has peeled from about 60% of the aluminum skin. Can't afford a new paint job so I may strip and polish. Sometimes i think I'll just have it hauled away and save up for a GMC or FMC coach. I'm discouraged but not giving up yet. Keith |
Author: | elc32955 [ Fri Jun 12, 2015 5:42 pm ] |
Post subject: | Re: Fuel tank Operation |
Hi Keith! The way it works on my 89 coach is that there's a set of fuel crossover valves along with a switch for the fuel tank senders. Here's a linky to the current production equivalent to what Revcon used.... The problem you run into is that not everyone knows that this system exists, so as the older valves/solenoids age & fail, various RV shops come up with their own one-off solutions. When mine failed a few years back, the shop I used jury-rigged the switching using two separate solenoids/valves. It works but it's cobbled together. I have to get my coach painted very soon, there's a need to get new paint on the fiberglass especially in the front. So.... gonna bite the bullet & have it all redone. Eric |
Author: | Daveinet [ Tue Jun 16, 2015 5:33 pm ] |
Post subject: | Re: Fuel tank Operation |
A couple of things I will add. The rear main can be replaced without pulling the engine. It takes some persuasion, but basically you pull the pins on the engine mounts and jack the engine upwards until the trans housing is tight against the floor. Then you jack a little more, because everything is just a very tight fit. One of the engine mounts capture the pan, so it will need to be unbolted from the engine. Then unbolt the pan and drop it down as far as it will go. Then reach over the top of the pan and remove the oil pump. Once the oil pump is removed, then you can wiggle the pan backwards off the engine. When I pulled my pan, I wiggled it out one side, but when I put the pan back in, I jacked a little more on the engine and was able to slip the pan directly in from the rear. Once the pan is pulled, you can pull the rear cap and replace the rear main seal. Its not pretty, but it is something you can do in as a weekend project, and much better than pulling the whole engine. I would hold some caution about stripping and polishing the aluminum. While it can look cool, those who have done it, state that it is a pain to maintain. From factory, the aluminum is painted with zinc chromite for corrosion protection. (yellow primer) If that is removed, it will be difficult to prevent corrosion. I had a section of my coach which had some over spray that ate through the original paint. I used Sherwin Williams house exterior aluminum siding paint and sprayed it on. It tool a lot of sanding to get it smooth, but I did it about 12 years ago, and it still looks good. The only difference I notice between that and automotive paint is that it is more porous, so it tends to collect dirt quicker in that area. About 2 years ago, I coated the whole coach with ZEP high gloss floor polish. That has added a very significant layer of protection to all the paint, and makes it tons easier to wash as the floor polish is very hard. I drive the coach in the winter, so it sees salt every year. I typically only wash it about once a year, and it generally looks good. (meaning I'm not embarrassed if I attend a rally) |
Author: | doc [ Sun Nov 01, 2015 3:02 am ] |
Post subject: | Re: Fuel tank Operation |
Sorry if I seem to be hijacking the thread here....been away and want to catch back up. I would like to know if there is any active 'Flatnose' forum still. (Need a windshield source) (Recovering from being shot, perp in jail...long story....suffice it to say that I've been away) Thanks, Thom Wessels Revcon #71-0004 |
Author: | Daveinet [ Wed Nov 04, 2015 1:49 pm ] |
Post subject: | Re: Fuel tank Operation |
Yikes. Hopefully you will fully recover. One limitation we have here is that both moderators own slant noses, so we can only do so much. We obviously will help where we can, but are limited because of the lack of first hand knowledge. Revcon_Curious has stirred slightly, but will never recover to being what it once was. The moderator finally locked the membership, so no knew spam, however the complaint I received was that he was not respond to request for new members, so that puts a big damper on it. new owners always sparked a lot of good conversation, and kept things alive. Without that input, it just doesn't get the energy it used to. Over all, I've noticed all the RV forums loosing their luster. When the economy took a nose dive, so did the forums. The economy has been pretty marginal for a long time, and all forums really have reflected that. |
Author: | voodoolord [ Thu Nov 05, 2015 10:06 am ] |
Post subject: | Re: Fuel tank Operation |
Your windshield is available and any reputable windshield repair company can get them. You will need to tell them the number on the windshield for identification. I just had mine replaced under the previous owners insurance. They aren't cheap, the bill came to $1500. Free for me though thank god. |
Author: | RichardPDX [ Fri Sep 22, 2017 9:52 pm ] |
Post subject: | Re: Fuel tank Operation |
There is a fuel pump and valves between the two rear axles under a plate. Mine had two valves. One 4 to 2 valve to select the tank supply, connected to fuel tank switch. Another valve was used to select straight feed or through the fuel pump, connected to separate switch on dash. Replaced second valve with one way in line check valve. Works much more reliably than a second electric valve. In case anyone needed to know. |
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