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64thunderbolt

Az

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Posted: 02/25/14 11:34pm Link  |  Quote  |  Print  |  Notify Moderator

I discovered a low spot in the fuel hose between the gen & Tank. Bought a check valve from Amazon. Installed it towards the top of the tank. Never have to prime now. Just hit the start switch and it fires right up. Saves batt and will lengthen the life on the Onan fuel pump. Just thought I would share this.

happy camping everyone.

Mod, move this to tech if you thinks it belongs there.


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dan-nickie

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Posted: 02/26/14 04:25am Link  |  Quote  |  Print  |  Notify Moderator

Thanks for the tip.
My fuel line goes vertical right near the gen and I have to prime for 20-30 seconds sometimes.

rockhillmanor

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Posted: 02/26/14 05:49am Link  |  Quote  |  Print  |  Notify Moderator

I had a fuel pump go out on my gen. Replaced the fuel pump and still had problems.

Repair guy crawled underneath and found that I had WAY too much fuel line that had 'several dips' in it. He said he sees a LOT of this from the factory installation which causes starting problems. He cut off the excess and we were good to go. My advice is everyone should crawl under and look at their fuel lines.


We must be willing to get rid of the life we've planned,
so as to have the life that is waiting for us.


tchil

Woodland Park, CO

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Posted: 02/26/14 08:09am Link  |  Quote  |  Print  |  Notify Moderator

Do you mind posting the link to the check valve?

Also, I thought I would comment on the fuel line.

On my toy hauler the tank is in the back and gen in the front. At the factory they cut the rubber fuel line to short and stretched it across a sharp cross member to fit. I found out when I smelled gas inside the trailer while running the gen. There was at least 5 gal of gas on the ground underneath the trailer when I came outside.

Needless to say my rig has steel line from front to back with about 1 foot of rubber at each end now. Bottom line as rockhillmanor states it is worthwhile to crawl under and take a look from time to time.


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nayther

Burbank, CA

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Posted: 02/26/14 09:22am Link  |  Quote  |  Print  |  Notify Moderator

tchil wrote:

Do you mind posting the link to the check valve?

Also, I thought I would comment on the fuel line.

On my toy hauler the tank is in the back and gen in the front. At the factory they cut the rubber fuel line to short and stretched it across a sharp cross member to fit. I found out when I smelled gas inside the trailer while running the gen. There was at least 5 gal of gas on the ground underneath the trailer when I came outside.

Needless to say my rig has steel line from front to back with about 1 foot of rubber at each end now. Bottom line as rockhillmanor states it is worthwhile to crawl under and take a look from time to time.


What did you use for steel fuel line? I need to re-plumb mine as I'm sure the rubber line has deteriorated like the one to the fuel station did, was thinking about doing exactly this. I suppose you could use brake line material with a tubing bender like you're running brake lines.


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64thunderbolt

Az

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Posted: 02/26/14 10:54pm Link  |  Quote  |  Print  |  Notify Moderator

don't have the link just searched "one way check valve for fuel hose" on Amazon. Wish I had done this years ago. It can sit a week and fire up without priming.

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