| Onan [message #284789] |
Thu, 13 August 2015 12:09  |
Bill Shourt
Messages: 33
Registered: January 2005
Location: Sherman Oaks ,Ca
Karma: 0
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Onan starter keep running after start switch is off. If i pull start wire off of starter solenoid it disengages. I just installed a new dino board from Jim K with same results as old board. Usually after it starts once and I disconnect starter wire it will it will start after that without the starter staying engaged. K1 starter solenoid seems like likely suspect. Comments? Is this something I can get locally? Leaving on a trip this weekend and would love to control the Onan. 21 trouble free years, I love my Onan. Thanks for any ideas.
Bill and Michele Shourt
78 Kingsley, origional
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| Re: [GMCnet] Onan [message #284792 is a reply to message #284791] |
Thu, 13 August 2015 12:28  |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
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Senior Member |
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Try disconnecting the remote switch, at the Onan. A real PITA, but may isolate or help eliminate one potential failure point.
Tom, MS II
2012 Phoenix Cruiser model 2552
KA4CSG
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| Re: Onan [message #284794 is a reply to message #284789] |
Thu, 13 August 2015 12:57 |
Bill Shourt
Messages: 33
Registered: January 2005
Location: Sherman Oaks ,Ca
Karma: 0
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When it hangs up it will do it on the remote switch or the one on the Onan. When it is working it works on either switch without hanging up.
Bill and Michele Shourt
78 Kingsley, origional
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| Re: Onan [message #284795 is a reply to message #284789] |
Thu, 13 August 2015 13:13 |
77Royale
Messages: 461
Registered: June 2014
Location: Mid Michigan
Karma: 6
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Senior Member |
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Is it possible that the starter shaft needs lubrication? where it throws the starter gear out to meet the flywheel. Mine had what seemed like it was not dis engaging. I took the starter off to replace the broken bracket and it was very dry and hanging up.
I also noticed checked and lubed it when I had the fan cover off the flywheel. I was able to engage the starter from the side of the onan and watch it engage and dis engage the flywheel. I was just bumping the rocker switch to verify the action of the starter gear.
Since I lubricated it the starter throws the gear out and retracts very well taking care of that issue.
77 Royale, Rear Dry Bath. 403, 3.55 Final Drive, Lenzi goodies, Patterson carb and dizzy.
Mid Michigan
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| Re: [GMCnet] Onan [message #284806 is a reply to message #284798] |
Thu, 13 August 2015 16:18 |
William Shourt
Messages: 35
Registered: August 2015
Karma: 0
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Thanks everyone, some good things to try when it cools down
Sent from my iPad
> On Aug 13, 2015, at 12:55 PM, Terry wrote:
>
> Check for a positive start signal at the starter solenoid before you pull the wire off. If it is getting positive voltage, then step back to the K1
> relay and see if the start signal wire on THAT solenoid is getting grounded. If it is not getting grounded then there should not be positive voltage
> present on the wire going to the starter solenoid. If there is positive voltage on both of the terminals of K1 with no ground signal to engage it,
> then that relay/solenoid is fused and will have to be replaced. Smack it with a screwdriver handle and see if the starter stops. K1 looks just like an
> old Ford starter relay with the ignition terminal for extra ignition power when starting, BUT IT IS NOT! 8o Get the relay from Applied or another
> vendor that has Onan parts. It is a common-positive relay that requires a ground to energize it and has the extra terminal for ignition that gets
> positive voltage during cranking.
>
> If the starter is stuck engaged and there is no voltage (use a test light for this, not a meter) at the trigger terminal, then you need to make sure
> the mounting is solid. Several posts have related a stuck starter to a broken starter bracket. Perhaps when you pull the wire off you are actually
> unloading a binding starter gear and then it lets go. If it's broken or bent, check the mounts for the generator to see if they have sagged and are
> making the starter hit the mounting cage.
>
> --
> Terry Kelpien
> ASE Master Technician
> 73 Glacier 260
> Smithfield, Va.
>
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Get the relay from Applied or another vendor that has Onan parts. It is a common-positive relay that requires a ground to energize it and has the extra terminal for ignition that gets positive voltage during cranking.