[Healeys] Speedometer

Guy R Day grday at btinternet.com
Mon Apr 19 01:42:38 MDT 2010


Yes, not of the Nissonger problem but I was aware the cable core was 
designed to throw oil back into the box.  I thought it was the twist in the 
inner cable rather than the weave of an outer cover.
Cable driven Tachographs on goods vehicles suffer from a similar aftermarket 
problems and is one of the faults you were taught to detect.

Guy R Day


----- Original Message ----- 
From: "Rich C" <richchrysler at quickclic.net>
To: "Dan Smither" <jobu53 at hotmail.com>; <healeys at autox.team.net>
Sent: Monday, April 19, 2010 12:30 AM
Subject: Re: [Healeys] Speedometer


> Hello all,
>
> This may be a related scenario. We have been experiencing a number of 
> speedos that have been doing erratic behavior, a lot of bouncing and 
> sticking of the needle, soon followed by complete failure. Specifically, 
> all four have all been instances where the speedometers have been 
> completely rebuilt and reconditioned by Nissonger Instruments within a 
> couple of thousand mile earlier (if even that much) and new after market 
> speedo cables from the usual suppliers have been installed.
> Upon returning these defective speedos to Nisonger, they've stripped them 
> down again and had to thoroughly clean oil out of the mechanisms. When 
> these were returned to us they were accompanied ny a preprinted 
> standardized nots stating the excessive oil had been found in the 
> instrument and further warranty work would not be done until the source of 
> the oil is eliminated. Further converstaion with them stated that it's 
> quite a common problem with today's replacement speedo cables to have the 
> inner core "woven the wrong way" so that it acts as an efficient auger 
> screw to move oil from the gearbox fitting, up the inner cable tube and 
> into the instrument. They claim that original Smiths cables' inner core is 
> woven the opposite way so that any auger type effect screws any oil back 
> toward the gearbox and away from the speedo head.
>
> Anybody else hear of this?
>
> Rich Chrysler
> --
> From: "Dan Smither" <jobu53 at hotmail.com>
> Sent: Sunday, April 18, 2010 6:05 PM
> To: <healeys at autox.team.net>
> Subject: [Healeys] Speedometer
>
>> I just got back from a 400 mile tour here in AZ with 149 other British 
>> and
>> European cars. About 60 miles from home the speedometer quit working. I 
>> took
>> it loose from the guage and the inner cable was not turning. Do you think 
>> it
>> is the cable or the angle adapter?? I had Moma rebuild the guage about a 
>> year
>> ago and the cable has only about 4k miles on it. I haven't taken it apart 
>> yet
>> to see if the inner cable turns at both ends. All help is very much
>> appreciated.
>>
>> Dan Serrao
>> 1963 BJ7
>> Fountain Hills, AZ
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