Strange Lever

[davidkerryedwards]

I've got a Thelma on my 82 FC (it was retrofitted around 84). The
manual explicitly states that it will overheat if not used correctly.
I don't have the manual handy, but I believe positions 1 and 2 should
be utilized on long grades and 3 or 4 only used for short periods on
short steep grades. Before I read my manual, I seriously heated mine
up going down the 10% grade in Palo Duro Canyon in the 4th position.
You'll know it if it heats up beause it stinks. Mine has a switch
which connects it to the brake pedal, automatically applying the
retarder. It is a very useful device.

Kerry
82 FC 35
Denver-

-- In WanderlodgeForum@yahoogroups.com, Wilhelmus Schreurs
wrote:
>
> Reading on the Thelma retarder site, it is designed so the heat will
disipate even with extended or prolonged usage.
> I believe we have the Jacob's brake system, not the Thelma, but
they work on the same principle, sure look identical as well.
> Maintenance is very simple too, blow it out or wash it with a
pressure washer, grease lightly, check contacts and connections,
especially the ground connections.
> Thelma only has a UK site.
> One thing I will be looking into the future is, getting rid of the
contactors and going electronically, that will also give me infinite
control instead of just 3 steps.
>
> Bill
> 84FC35SB
>
> Eric Johnson wrote:
> Regarding my remarks on overheating the retarder, I
remember reading somewhere that
> extended use could cause damage from overheating and have heard same
from a
> mechanic but don't have any absolute numbers so I just use it with
some moderation as I
> described. If anyone has more specific info it would be good to get it.
>
> Interesting to learn that only some of us are retarded!!!
>
> Eric in San Antonio
> 84FC35SBWL2
>
> --- In WanderlodgeForum@yahoogroups.com, "Scott" wrote:
> >
> > I have a Strange Lever mounted to the side of the shifter box. The
> > lever goes into a small black box with numbers on the side. As the
> > lever is pulled down, the numbers increase and the lever is
internally
> > notched to stop on each of the numbers. Any clue?
> >
> > Scott Waldy
> > '83FC35SB
> > Boise, Idaho
> >
>
>
>
>
>
>
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