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[dsn_klr650] chain lube - squeak question
-----Original Message-----
From: trailsunltd@...
To: DSN_KLR@yahoogroups.com
Sent: Wed, 21 Jan 2009 1:56 am
Subject: Re: [DSN_KLR650] Re: Chain Lube - Squeak Question
your correct about the 5th wheel thing,but as the roller sits in the
tooth of the sprocket,isn't there some movement as the throttle is
worked,as your acceerating the top run is tight and pulling against the
back of the tooth,viewed at top,now under off throttle or engine
braking ,when the rear wheel is driving the engine ,the bottom run is
now tight,pulling on the opposite side of the tooth,so shouldn't this
give some movement as chain/sprockets are not sold in matched selective
fit sets,which would give little or no movement,till sprocket links
elongnate and chain pitch lengthens anyway,0 or x type rings are the
best thing that ever happened to chains, they seal the grease in where
the pin/bushing lie,even then some wear has to occur if only from parts
settling in,you've installed a new o-ring chain,after a 1st short
ride,it needs readjusting correct?after that, wear is very very minimal
but still occurs,also wouldn't the outside of the rollers w/ minimum
lube, wear and become smaller,thereby not fitting the tooth as tightly(
which is now getting bigger w/ minimum to no lube)? what's your
thoughts on this?i'm interested as you seem quite educated about this
topic
-----Original Message-----
From: Lee Dodge C2
To: Jud Jones ; KLR Group
DSN_KLR650@yahoogroups.com>
Sent: Tue, 20 Jan 2009 8:36 pm
Subject: Re: [DSN_KLR650] Re: Chain Lube - Squeak Question
Bad analogy.A
0 The 5th wheel is stationary and the trailer rotates on it. It's
exposed to the atmosphere and the grease does pickup abrasives.
Try the following arguments on for size. Maybe it will offer answers
to this thread. This is how I see it.
With the roller chain each of the chain's rollers doesn't move with
respect to the sprocket once it 'nestles' into the bottom between the
adjoining teeth. There is no relative movement between the chain's
rollers and the sprocket so in actuality no 'lubrication' is needed.
What is needed is for there to be no (or as little as possible) 'dirt'
to mess up the contact surfaces and maybe change the pitch diameter of
the sprocket slightly. So the non-sticky residue from the WD may just
operate as; a 'cleaner' (blowing off the dirt), a corrosion protectent,
and,
possibly, if the chain has them, it keeps the sealing rings - be they
O or X - soft and operative. Very important as they keep the real
wearing surfaces, the inside of the roller and the moving chain pin,
where there is serious clean lubrication, from being contaminated.
Chains without sealed roller lubrication do get abrasives into that=2
0
critical bearing area and do wear both the inside of the roller as well
as the link pins. Try multiplying .003 wear per pin by 100+ links and
you can 'see' the wear by being able to lift the chain away from the
rear sprocket.=C
2 Those non-O or X ringed chains are impossible to protect, just accept
the inevitable wear and think about the real economics of the expensive
O or X ringed chains. Just maybe they're not so expensive after all.
If you ride in the dirt the chains are exposed to to it and if it's
sticky, dirt has a better chance of sticking to it (like oily foam air
cleaners?)
What do You think?
Lee
--- On Tue, 1/20/09, Jud Jones wrote:
From: Jud Jones
Subject: [DSN_KLR650] Re: Chain Lube - Squeak Question
To: DSN_KLR650@yahoogroups.com
Date: Tuesday, January 20, 2009, 4:41 PM
--- In DSN_KLR650@yahoogro ups.com, trailsunltd@ ... wrote:
>
> so sprockets need no lubrication? say an 18 wheeler tractor driver
> sprays? WD40 on his 5th wheel instead of his grease,there would be no
> difference
>
So in addition to dodging the issue, you give us a faulty analogy? How many miles do you get out of your chains? [Non-text port ions of this message have been removed]>
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