RE: Priming the oil pump

["Stegmann, Steve" <Steve.Stegmann@domain.elided>]

Eldon,

In the IH SV engines, how is the top of the valve lubricated?  I imagine the
push rod is hollow as in other engines to take care of that.

Thanks,

Steve

> -----Original Message-----
> From:	EldonMcf@domain.elided [SMTP:EldonMcf@domain.elided]
> Sent:	Tuesday, April 13, 1999 1:37 PM
> To:	Stegmann, Steve; ihc@domain.elided
> Cc:	fly4scout@domain.elided
> Subject:	Re: Priming the oil pump
> 
> In a message dated 4/12/99 12:09:54 PM Central Daylight Time, 
> Steve.Stegmann@domain.elided writes:
> 
> > Didn't I hear someone say to fill the pump with vaseline during assembly
> to
> >  assist with priming the pump.
> 
> 
>      I don't like to use stuff like vaseline because I'm not sure it will 
> completely mix with the engine oil.   If the oil pump is completely full
> of 
> vaseline a slug of the stuff will be in the system when you first start it
> 
> up.  This could plug the oil filter, or restrict an oil passage.
> 
>    For initial oil pump lubrication I usually just use engine oil.  If I
> was 
> building an engine that was going to be stored for a long period of time,
> I 
> would use a soft grease, like Lubriplate 105 engine assembly grease.  the 
> assembly grease will dissolve in engine oil so it will not plug anything.
> 
> 
> >  
> >  BTW I was looking at my rockers the other day through the oil fill hole
> and
> >  there appears to be oil to the rocker, but there isn't oil everywhere
> like
> >  in most engines I've opened.  There seems to be oil where the rocker
> pivots
> >  on the shaft but it is really clean everywhere else.  Is this normal.
> 
> 
>   The rocker arms in IH SV gas engines are lubricated by oil fed thru 
> passeges in the rocker shaft.  Many other engines including IH MV 404 &
> 446, 
> and 6.9L & 7.3L Diesel engines have hollow push rods that feed oil to the 
> upper valve train from the hydraulic lifters.  each time the valve is
> opened 
> a small amount of oil is pushed thru the push rod, and onto the rocker
> arms, 
> shafts, valves, etc.  At high engine speeds this oil is splashed around
> quite 
> a bit compared to the SV engines which only have oil around the wearing
> areas.
> 
> 
> >  
> >  My engine runs fine.  When I listen with a stethoscope it makes no more
> >  noise than any other engine I've ever listened to.  I have no reason to
> >  suspect a problem it just doesn't look as oily as I'm used to.  Fords
> and
> >  Toyotas seem to have oil everywhere in there.  This really seems to
> have it
> >  only where needed???
> >  
> >  Any comments?
> >  
> >  Thanks for helping Mike
> >  
> >  Steve
> 
>   Hopefully everything is going ok for Mike, maybe he just didn't wait
> long 
> enough for the oil to reach the rocker arms.
> 
> 
> Eldon
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