[Healeys] Speedometer

Tue Feb 9 01:20:34 MST 2016

I use two long screwdrivers to lift of the needle of a 
gauge/clock/speedo. Clamp the speedometer housing securely, twist the 
bezel and take it of together with the glass, put the tips of the 
screwdrivers under the centre of the needle opposite each other and use 
the rim of the speedo housing as a resting point while gently levering 
of the needle. This way there is no danger to damage the face although 
it is wise to cover it with a piece of cardboard, just in case.
As mentioned before only lightly dust the face as the white paint can 
dissolve in water when old.
Putting back the needle in the right position is easy as there is a 
small white dot on the "wrong" side of the resting pin. The needle 
should point to this dot when fitting/fitted. When the needle is fixed 
in its proper position just lift the tip of the needle gently over the 
resting pin to the left hand side.
Use some clock oil very very sparingly to lubricate the pivots of the 
needle assembly and cup only. Use 3-in-1 oil to lubricate the speedo 
cable receptacle. Clean out the outer speedo cable as good as you can 
using e.g. petrol/white spirit etc. wipe the inner cable clean and 
sparingly grease the inner cable only using multi purpose grease or 
graphite/molibdenium-disulfide grease.
However be aware that if a speedo stops working properly it is usually 
time for a complete overhaul/rebuild.
Kees Oudesluijs

Op 9-2-2016 om 0:57 schreef HealeyRick:
> Michael is correct.  The needle and face have to come off first.  I 
> have a "special tool" for removal of the needle as well.  18G-999 
> "Common Dinner Fork".  First cut a "V" shaped slot into a cardboard 
> index card.  Insert the card between the needle and the speedo face so 
> that the point of the V is under the needle center.  The card is to 
> protect the surface of the gauge when using the "special tool." 
>  Insert the fork so the space between the middle tines are under the 
> center part of the needle and carefully lever (prise) the needle up. 
> Work around the needle a bit at a time, moving the card as needed to 
> protect the instrument face.  If you try to lever just from one side, 
> it will cock the needle on the pin and make it difficult to withdraw.  
> Even still, they can be difficult to take off.  Then remove the two 
> tiny screws holding the gauge face and remove the face.  From there, 
> tilt the gauge body so the tripmeter shaft clears the hole, whilst 
> pushing in on the shaft to make it as short as possible.  Resist the 
> urge to do anything to clean the gauge face other than dusting with a 
> soft brush as by now the paint surface is quite fragile and you may 
> end up removing your markings. Return special took 18G-999 to the 
> dishwasher before SWMBO finds out.
>
> Best of luck,
> Rick Neville
>
> On Mon, Feb 8, 2016 at 11:21 AM, Michael <michael.salter at gmail.com 
> <mailto:michael.salter at gmail.com>> wrote:
>
>     Hi Charlie,
>     I watched my instrument rebuilder take my 100 speedometer apart
>     and he removed the needle and then the face before taking the
>     mechanism out of the case.
>     He had a special took for removing the needle...
>     I think that's the approved procedure.
>     Michael S
>     BN1 #174
>     ------------------------------------------------------------------------
>     From: Charlie Schott <mailto:schottc at knology.net>
>     Sent: ‎9/‎02/‎2016 8:12 a.m.
>     To: Steve B. Gerow <mailto:steveg at abrazosdata.com>;
>     healeys at autox.team.net <mailto:healeys at autox.team.net>
>     Subject: Re: [Healeys] Speedometer
>
>     I'm trying to get the guts out of my speedometer to clean and oil
>     it. The
>     needle rarely gets over 20 MPH. I can remove the knurled knob from
>     the trip
>     odometer stem but it looks like I have to also remove the stem.
>     Can anyone
>     please tell me how to do it? Thanks.
>
>     Regards,
>
>     Charlie Schott
>
>
>
>
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