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Re: [GMCnet] My 1976 Palm Beach Project [message #281915 is a reply to message #281750] Sun, 12 July 2015 06:52 Go to previous messageGo to previous message
Bruce Hart is currently offline  Bruce Hart   United States
Messages: 1500
Registered: October 2011
Location: La Grange, Wyoming
Karma:
Senior Member
Justin,

Jim Bounds did a great write-up on a primer switch for the Onan at the
remote start button location.



http://gmcmotorhome.info/onan.htm
http://www.gmccoop.com/onan_prime_circuit.htm

On Thu, Jul 9, 2015 at 7:52 AM, Justin Brady wrote:

> Ha!
> I appreciate it guys, unfortunately I will be out of the country until
> August 1, so won't be able to make this one.
>
> Made a bit of progress in the past few days!
> Got the starter bracket installed. Had to make a puller for the Onan
> Flywheel, it was a bear to get off, but it finally came.
> It turns over like a kitten now, easy peasey.
>
> Replaced the points and the darn thing still wouldn't start!
> Dropped the gas tank again and checked the line, it was fine.
> Checked the points again, and wouldn't you know it there was a layer of
> "protective material" over one of the points, scraped it off with a razor
> blade and it purred to life in seconds. Runs like a peach now, and doesn't
> even quiver under the load of 2 Duo Therms.
> Happy man this one.
>
> While messing with it I got to thinking, what if I wired in a relay with
> the stop button, so that it energized the fuel pump while the stop button
> was
> pressed? I can't see the pump running while stopping being an issue with
> the ignition being cut by the K3 relay. So if I did this I could use the
> stop
> button as a primer circuit so it won't have to turn over for 5 seconds
> before it gets fuel after sitting a while, just hold stop for a few seconds
> and then hit start and BOOM.
> Any reason this is a terrible idea?
> (I know I can just wire in a new button to temporarily power the pump, but
> this seems more elegant, and I won't have to run wires inside the coach)
>
>
> Anyway,
> After that I started messing with the air ride.
> It's been a bit intermittent. So I pulled the cover off the pressure
> switch and yep, bad connection. The terminal had broken off. Easy fix, just
> swap
> the wires to the unused terminals and be on the way right? Wrong. Second
> set of terminals broke within a few seconds. Time for a new pressure switch.
>
> Finally got the coach charged with Duracool It took 2 cans, and even that
> was way overkill (50psi low side) so I drained it back to 25 psi and it
> blows nice and cold. Need to make that A/C belt tensioner because I can't
> get it tight enough with a crow bar at the weird angles underneath.
> I also took apart the dash box under the "hoods" and replaced all the
> seals that were deteriorated (all of them) and sealed it around the edges.
> The only problem I ran into is the vacuum actuated "recirc door" (not
> really recirc, just a diverter to the lower dash vents) doesn't function. I
> think the vacuum diaphragm is toast. So for now I just stuck it in the
> open position so the AC comes out the lower vents (the rest of them such
> anyway)
> --
> 1976 Palm Beach 455
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>



--
Bruce Hart
1976 Palm Beach
Milliken, Co
GMC=Got More Class
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Bruce Hart 1976 Palm Beach 1977 28' Kingsley La Grange, Wyoming
 
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