[Rovernet] bouncing P5 speedo

[Gordon Reddy]

My bad, I just checked my notes and the mechanic who did the front end in
early 2023 lubed the cable and said the issue is the speedo head. Dang, I
will have to find someone who works on them.
Gord

On Sun, 21 Apr 2024 at 18:23, Gordon Reddy <gorgowof at gmail.com> wrote:

> Hi Bill,
>     I will try the cable first, it would be great if that does it. It
> might not be the cable though as I just remembered it bounced up and stuck
> at 50 for 10 seconds when I started moving the other day. I'm trying to get
> the correct MPH to KPH conversion as the differential was changed a few
> years ago. Will keep you posted!
> Cheers
> Gord
>
>
> On Sun, 21 Apr 2024 at 17:39, magnet--- via Rovernet <
> rovernet at rovernet.org> wrote:
>
>> Hi Gord,
>>
>> In my experience, re-lubricating the cable with Molyslip or graphite in
>> heavy oil usually helps.  Disconnect the cable from the speedo head,
>> pull out the core, apply lube and feed it back into the sheath.  I don't
>> know if the P5 uses a right-angle gearbox at the speedo end like the P6,
>> but if it does, lubricate this also.  But sometimes a new cable is the
>> only answer.
>>
>> Another possibility if you have a Smiths (or British Jaeger) speedo: In
>> these, the mileage counter is worked by a little pawl-and-ratchet
>> arrangement.  If this gets stiff, it puts an increased load on the
>> speedo drive while the pawl is trying to push the ratchet wheel around
>> one notch (which moves the 1/10 mile wheel), and eases the load when the
>> pawl is withdrawing.  This puts a much lower frequency flicker on the
>> speedo needle, and not quite so kangaroo-like.  Again, lubrication is
>> the remedy.
>>
>> Hope this helps.
>>
>> Cheers,
>>
>> -- Bill Daddis
>>
>> =====================
>>
>> On 21-Apr-2024 8:16 p.m., Gordon Reddy via Rovernet wrote:
>> > Hey Rovermaniacs,
>> >    My P5's speedo is acting like a kangaroo on amphetamines, how do I
>> > approach this issue (and don't say quietly, with a large net).
>> > Cheers,
>> > Gord
>> >
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