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Old 06-13-2019, 05:34 AM   #1
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Default Onan 2800 Microlite

Like most other mid 90's Roadtrek owners who serviced their generator - I pulled the generator out of my van to have it worked on (somewhat easy with a cherry picker).

Anyways, after reading some other threads on the procedure I noticed some of you had moved the generators fuel pump to another location. Apparently, when it gets hot, it stops working properly.

So i decide to take a preventative measure and relocate the fuel pump while the generator is out.

Question: Should I presume those of you who did relocate it... moved it and attached/bolted it somewhere underneath the vans carriage? Perhaps near where the generators fuel line comes out underneath? Appreciate any advise you guys have, thnx

Rod
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Old 06-13-2019, 09:04 PM   #2
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Looking from the front. Bolted to the existing generator bracket.
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Old 06-14-2019, 10:58 PM   #3
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The green thing is the top of the generator which is mounted just behind the rear axle. The rear axle is at the top right of the picture. The left rear spring is seen just below the fuel filter.
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Old 06-14-2019, 11:37 PM   #4
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Thnx Deano

However, my generator is not underneath the carriage. It's inside the rear of the van underneath the driverside seats.
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Old 06-15-2019, 03:09 AM   #5
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Default Is that a little noisy???

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Originally Posted by Kr4ftw3rk View Post
Thnx Deano

However, my generator is not underneath the carriage. It's inside the rear of the van underneath the driverside seats.

I thought my genset was noisy.. and it's directly underneath the vehicle in the rear, BUT, having that inside the coach sounds even noisier?

Have you measured the decibels level?
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Old 06-15-2019, 04:16 AM   #6
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Roadtrek Adventuous RS1

Purchased the Roadtrek about 4 months ago. The genset wasn't working then so I have no idea of the decible levels. The generator was the last on the list to be worked on and I'm finally getting to it. There is a 1/2" thick piece of plywood that goes over the generator and then the seat sits atop that. I'll find out how loud it gets once I get it working ..
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Old 06-16-2019, 03:02 AM   #7
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I bought our 95 RT190 with the same setup as yours 2 years ago. I replaced the fuel pump about 9 mounths ago and mounted it in the original location. No fuel problems since then. I don't find the noise to be excessive. My $0.02 worth.
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Old 06-16-2019, 03:32 AM   #8
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Originally Posted by blackbourn3704 View Post
I bought our 95 RT190 with the same setup as yours 2 years ago. I replaced the fuel pump about 9 mounths ago and mounted it in the original location. No fuel problems since then. I don't find the noise to be excessive. My $0.02 worth.
Thnx blackbourn3704

I haven't taken the cover off the genset yet. Should I presume the "original location' of the pump is inside the genset or mounted elsewhere and was it a oem fuel pump?
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Old 06-16-2019, 03:57 AM   #9
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Default OK, thanks

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Roadtrek Adventuous RS1

Purchased the Roadtrek about 4 months ago. The genset wasn't working then so I have no idea of the decible levels. The generator was the last on the list to be worked on and I'm finally getting to it. There is a 1/2" thick piece of plywood that goes over the generator and then the seat sits atop that. I'll find out how loud it gets once I get it working ..
I'm really surprised that they designed the generator inside the cabin... that seems like a really terrible idea.

Yeah, good luck with that and let us know how noisy it is.
It's hard to imagine that thing underway while you are inside next to it?
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Old 06-16-2019, 12:49 PM   #10
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Default Onan help

The original pump is inside the genset. See bottom left of attached picture. Tip: remove the nuts that hold the baffle plate on which the pump is mounted, raising the baffle will allow better access to the pump.
Here is a link to the Onan manuals. Index of /
Here is a link to a good Onan forum. Lots of good stuff.
https://www.smokstak.com/forum/forumdisplay.php?f=1

My replacement was OEM, or at least OEM type. Remember these are LOW pressure pumps. A "universal" pump may over pressure the system resulting in flooding the carburettor and creating a fire hazard.
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