--- In papercreters@yahoogroups.com, "Nick Boersema" <picknick@...> wrote:
>
> __ Wow it's just about to cold to make papercrete up here now but as
Murphy
> would have it I am finally getting close to getting back to it. Have my
> pond almost complete. I am putting the finishing touches on my camp
trailer
> for over by the pond. So life is good and the tow mixer fabrication has
> moved back up the list to maybe third spot. I rolled the frame out
of my
> shed this morning to get at my table saw and noticed that the
differential
> was rotating clockwise when I pulled it out. This set off some
alarm bells
> since it seems to me I read somewhere it should be going counter
clockwise
> for longest life? Can anyone confirm that for me? If I need to
change it
> doing so at this stage will be much easier than later.
>
> Thanx in advance
>
> Nick ,_._,___
Hi Nick
The differential is operating normally . When the drive shaft turns it
cause the bevel or ring gear to turn and it reverses the dirrection to
turn the axles. When a car is being pulled the wheels roll in the
opposite direction of when it is powered by the drive shaft. If the
wheels rolled forward the trailer would pass the tow vehicle which
could be messy. :} The only way to change direction is to drive in
reverse. If you can back a short trailer for a mile at 5 miles an
hour I will come watch for cars for you . :}
Just kidding. The odds of wearing out a differential in any vehicle
is low even with hundreds of thousands of miles on them ,they are very
reliable mechanisms. It may last longer that way as most of the wear
on the device already is from rotating in the other direction. I have
no way of estimating the stress mixing papercrete puts on it but at
the slow speeds and slow acceleration you will use it at if it is in
decent shape now you can count on at least 30k more miles in a worst
case scenario that is a lot of papercrete and if you wear the
differential out after all that you can afford to rebuild it.
Keep it lubed with 90 weight gear oil and worry about something else.
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