[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: (ET) transmission feature (bit of a rant)
Actually, it is machined in. There is a distinct 45 degree lead-in
at each side, as well as machine marks.<BR><BR>
<DIV>
<DIV>
<DIV>David Brandt</DIV></DIV></DIV><BR><BR>--- On <B>Thu, 9/2/10, RJ
Kanary <I><rjkanary consolidated net></I></B> wrote:<BR>
<BLOCKQUOTE style="BORDER-LEFT: rgb(16,16,255) 2px solid; PADDING-LEFT:
5px; MARGIN-LEFT: 5px"><BR>From: RJ Kanary <rjkanary consolidated
net><BR>Subject: Re: (ET) transmission feature (bit of a rant)<BR>To:
"David Brandt" <ev_dave13 yahoo com>, "elec-trak cosmos"
<elec-trak cosmos phy tufts edu><BR>Date: Thursday, September 2,
2010, 5:19 PM<BR><BR>
<DIV id=yiv451425351><FONT size=+2><FONT face="Times New
Roman"> I believe
that upon further review you will discover the axle shaft, which is soft,
has been worn by the much harder bearing race.None of the low hour 2318
transaxles I've disassembled had had this. High hour tired units
have.<BR><BR>
Check the relieved area of the shaft for a sharp ninety degree shoulder.
The ones caused by the bearings won't have this. One could attempt to
prevent this from happening again by using a bearing with an extended
inner race and set screws.The downside to this would been since the race
is just a slip fit, you are now concentrating all those forces onto two
small areas of a known to be soft shaft.
:(<BR><BR>RJ<BR></FONT></FONT><BR>David Brandt wrote:
<BLOCKQUOTE type="cite"><PRE>Hi, everyone. I've had a few transmission
problems, and in the course of finding the solution (which I'll post when
I know it has worked), I discovered something interesting (and accumulated
enough good internal parts to build about 3 1/2 transmissions).
You all know that there are bearings in the ends of the axle tubes.
You've probably had one sieze up from debris or rust. It seems to be in
the right location - you want the place that reacts the loads when you go
over bumps and lumps to be as close to the load as possible, since
increasing the distance between the load and the reaction only multiplies
the reaction. That is, it's better to take it at the end of the axle tube
then the next restraint point, which is the needle bearings in the
differential assembly.
When I demolish..(cough)...disassembled my ET transmission, I noticed that
there is a relief cut in the axle right under where the bearing should
sit. It is a nice tight fit on either the inside or outside, but right
under the bearing there is a gap of about 0.030" diametrically. I happen
to also have a peerless 2316 out of a John Deere 110, and it displays the
same feature.
Why in the world would peerless purposely render this important bearing
incapable of taking load until the axle had already deflected enough to
load up the differential? Planned Obsolesence? So that after it siezes
from rust (because of the water that can enter through the gap) that the
axle will still turn?
David Brandt
_______________________________________________
Elec-trak mailing list
<A class=yiv451425351moz-txt-link-abbreviated
href="http://us.mc656.mail.yahoo.com/mc/compose?to=Elec-trak cosmos phy
tufts edu" rel=nofollow target=_blank ymailto="mailto:Elec-trak cosmos phy
tufts edu">Elec-trak cosmos phy tufts edu</A>
<A class=yiv451425351moz-txt-link-freetext
href="https://cosmos.phy.tufts.edu/mailman/listinfo/elec-trak";
rel=nofollow
target=_blank>https://cosmos.phy.tufts.edu/mailman/listinfo/elec-trak</A>
</PRE></BLOCKQUOTE></DIV></BLOCKQUOTE>