Locate the main fuel setting and close it gently , then back ot 3 1/2 turn.
> Governors operate in a state of balance, like a teeter totter. Mechanical
> force from a centrifugal device driven by the running engine vs a spring.
> When the engine is not running, the spring overwhelms the linkage, and the
> throttle appears to be wide open, or in some cases, fully closed. BUT, when
> the engine runs, the linkage moves the throttle to a pre-determined
> position to control the voltage, AS WELL AS THE FREQUENCY, of the
> generator. If you grab hold of the linkage and pull against the effort of
> the governor, bad stuff is going to happen if the generator is actively
> producing electricity. Some modern electronic devices really, really don't
> like excessive voltage or frequency. You will let the captive smoke out of
> them, and they will cease functioning. Just sayin'.
> Jim Hupy
> Salem, Or
> 78 GMC ROYALE 403
>
>
> > Yes it is the governor. At stop position the governor butterfly is wide
> > open, when Onan is running the governor butterfly is mostly closed and
> > positioned against a stop, adjustable by an idle screw.
> >
> > On Sun, Sep 23, 2018 at 6:20 AM Steve Southworth
> >
> > > > Trying to get a 4k Onan to run. Onan had been idle for12 years or
> > > longer. Replaced the fuel pump, k-1 solenoid, control board, cleaned,
> and
> > > lubed
> > > > starter, lubed starter solenoid, points at .020". Have spark to both
> > > plugs. I can get the Onan to run when cranking starter but I have to
> > > manually
> > > > close the governor. What pulls the governor closed when first
> starting
> > > the Onan? Have tried different settings on the spring and adjusting
> nut
> > to
> > > > no use.
> > >
> > >
> > >
> > > I'm confused. You say "governor" but seem to be describing the choke
> > > operation. The governor controls the throttle linkage. If it is truly
> > the
> > > governor then it is a much different problem to solve. The Governor,
> its
> > > linkage and the actual internal governor system, should be pulling the
> > > throttle open.
> > >
> > > The choke, when cold and not running should be approximately 1/2
> closed.
> > > The choke actuator has two internal components. One is the typical
> > thermal
> > > bi metallic spring. When cold this pulls the choke half way closed.
> The
> > > other component is an electric solenoid. This solenoid is energized
> when
> > > the starter cranks and pulls the choke the rest of the way closed.
> With
> > > the starter not running and the engine hot the choke should be
> completely
> > > open.
> > >
> > > The choke actuator is grounded through the exhause manifold. This
> > > connection frequently is, as stated earlier, rusted and will not allow
> > the
> > > current
> > > to flow. You can clean the rust however it will rust again and cause
> the
> > > same problem. Best solution is to run a ground wire from the choke
> > actuator
> > > mounting bolt to a better ground. If the choke actuator solenoid does
> > not
> > > work all is not lost as there are some fixes that may work to correct
> > this.
> > > I don't believe there is a choke actuator replacement available. (I
> > > replaced mine with a NOS OEM but it was pricey. I got lucky and saw it
> > on
> > > eBay
> > > as soon as it was posted and did the "buy it now" thing.)
> > >
> > > --
> > > Steve Southworth
> > > 1974 Glacier TZE064V100150 (for workin on)
> > > 1975 Transmode TZE365V100394 (parts & spares)
> > > Palmyra WI
> > >
> > > _______________________________________________
> > > GMCnet mailing list
> > > Unsubscribe or Change List Options:
> > > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> > >
> >
> >
> > --
> > Bruce Hart
> > 1976 Palm Beach
> > Milliken, Co
> > GMC=Got More Class
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> >
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk
http://www.appliedgmc.com
1-800-752-7502
> Governors operate in a state of balance, like a teeter totter. Mechanical
> force from a centrifugal device driven by the running engine vs a spring.
> When the engine is not running, the spring overwhelms the linkage, and the
> throttle appears to be wide open, or in some cases, fully closed. BUT, when
> the engine runs, the linkage moves the throttle to a pre-determined
> position to control the voltage, AS WELL AS THE FREQUENCY, of the
> generator. If you grab hold of the linkage and pull against the effort of
> the governor, bad stuff is going to happen if the generator is actively
> producing electricity. Some modern electronic devices really, really don't
> like excessive voltage or frequency. You will let the captive smoke out of
> them, and they will cease functioning. Just sayin'.
> Jim Hupy
> Salem, Or
> 78 GMC ROYALE 403
>
>
> > Yes it is the governor. At stop position the governor butterfly is wide
> > open, when Onan is running the governor butterfly is mostly closed and
> > positioned against a stop, adjustable by an idle screw.
> >
> > On Sun, Sep 23, 2018 at 6:20 AM Steve Southworth
> >
> > > > Trying to get a 4k Onan to run. Onan had been idle for12 years or
> > > longer. Replaced the fuel pump, k-1 solenoid, control board, cleaned,
> and
> > > lubed
> > > > starter, lubed starter solenoid, points at .020". Have spark to both
> > > plugs. I can get the Onan to run when cranking starter but I have to
> > > manually
> > > > close the governor. What pulls the governor closed when first
> starting
> > > the Onan? Have tried different settings on the spring and adjusting
> nut
> > to
> > > > no use.
> > >
> > >
> > >
> > > I'm confused. You say "governor" but seem to be describing the choke
> > > operation. The governor controls the throttle linkage. If it is truly
> > the
> > > governor then it is a much different problem to solve. The Governor,
> its
> > > linkage and the actual internal governor system, should be pulling the
> > > throttle open.
> > >
> > > The choke, when cold and not running should be approximately 1/2
> closed.
> > > The choke actuator has two internal components. One is the typical
> > thermal
> > > bi metallic spring. When cold this pulls the choke half way closed.
> The
> > > other component is an electric solenoid. This solenoid is energized
> when
> > > the starter cranks and pulls the choke the rest of the way closed.
> With
> > > the starter not running and the engine hot the choke should be
> completely
> > > open.
> > >
> > > The choke actuator is grounded through the exhause manifold. This
> > > connection frequently is, as stated earlier, rusted and will not allow
> > the
> > > current
> > > to flow. You can clean the rust however it will rust again and cause
> the
> > > same problem. Best solution is to run a ground wire from the choke
> > actuator
> > > mounting bolt to a better ground. If the choke actuator solenoid does
> > not
> > > work all is not lost as there are some fixes that may work to correct
> > this.
> > > I don't believe there is a choke actuator replacement available. (I
> > > replaced mine with a NOS OEM but it was pricey. I got lucky and saw it
> > on
> > > eBay
> > > as soon as it was posted and did the "buy it now" thing.)
> > >
> > > --
> > > Steve Southworth
> > > 1974 Glacier TZE064V100150 (for workin on)
> > > 1975 Transmode TZE365V100394 (parts & spares)
> > > Palmyra WI
> > >
> > > _______________________________________________
> > > GMCnet mailing list
> > > Unsubscribe or Change List Options:
> > > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> > >
> >
> >
> > --
> > Bruce Hart
> > 1976 Palm Beach
> > Milliken, Co
> > GMC=Got More Class
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
> >
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk
http://www.appliedgmc.com
1-800-752-7502
