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P30 ????'s

Last Post 12 Mar 2008 09:38 PM by Capt.Dan. 4 Replies.

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New Member

Posts:28

08 Mar 2008 06:56 AM
Great site and I hope it only grows bigger! Questions, What does the do-hicky that looks like a relay or contacter that is sitting obove the alternator do? Big wire on top that is always 12 volt and I can't seem to trigger the selenoid to send power to the bottom lead. It has a few smaller wires on the two side posts too. 2nd ? I read a post about the onan and a knob on the back of the carb to tune lean and rich. The thread said if yur a newbe to onans don't mess with it. Well I'm a day late on that thread. So now how do I fine tune the engine without having an o2 sensor installed? Stacey

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Advanced Member

Posts:801

08 Mar 2008 07:31 AM
Welcome aboard! What engine do you have? 454 or 350? Year and make of your rig? Can you post a pic?

1977 Argosy 20 454 V8 Gas Southern NH Maintenance Analyst www.balrgn.com

New Member

Posts:28

08 Mar 2008 07:44 AM
Thanks, My rig is in the Vogue gallery. It's a 1982 29' Vogue. P-30 chas. with a 492 BB Chevy th400 with a GV OD. Stacey

Jim Elliott User is Offline

New Member

Posts:80

12 Mar 2008 12:28 PM
Posted By stacey honn on 03/08/2008 6:56 AM Great site and I hope it only grows bigger! Questions, What does the do-hicky that looks like a relay or contacter that is sitting obove the alternator do? Big wire on top that is always 12 volt and I can't seem to trigger the selenoid to send power to the bottom lead. It has a few smaller wires on the two side posts too. 2nd ? I read a post about the onan and a knob on the back of the carb to tune lean and rich. The thread said if yur a newbe to onans don't mess with it. Well I'm a day late on that thread. So now how do I fine tune the engine without having an o2 sensor installed? Stacey Stacey, That "do-hicky" screwed down to the arm is the S-LEAD (Starter relay box)................Mine dropped dead and would NOT start the engine and they cost about $15.00 to $20.00...And I carry a spare. I tune the genny with the knob by the rich/lean smell......With your hand on the knob and your facing the genny turning the knob counter clockwise will lean it out and it doesn't take much either way...........And it takes a few minutes to rebalance out. Also a tool like the "Kill O Watt" to check the frequency (60 HZ) and power (120V) is one cool tool to keep in your rig...... Jim

Basic Member

Posts:126

12 Mar 2008 09:38 PM
With no load you should have 62 hz and 125v. At full load the specs are 58hz and 105 v. hope that helps.

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