Silent Windtone Horn

[MsRose]

Sorry, I'm back again!
I took apart my Lucas Windtone horn as there's no beep, beep! When I first bench tested it it made a very quiet noise.

I've been advised to clean the points and to lubricate, but can anyone tell me exactly what part requires the lubrication please? I'm also told that I may need to make an adjustment to the nut which alters the tone.

I'd really appreciate some simple help and advise as I'm a bit stuck with this.

https://photos.fife.usercontent.google. ... authuser=0

[svenedin]

https://bristoloda.org/wp-content/uploa ... Repair.pdf

[mobylette]

I had sent a link a few days ago to this manual

[svenedin]

The points you can take a piece of emery cloth, fold it and then draw it through the closed points repeatedly. You will see black oxidation on the cloth. It can be helped along with switch cleaner (Isopropyl alcohol). Finish with just a piece of ordinary folded paper to clean off any abrasive particles. You know the coil in your horn is good because the horn is trying to work. I am not familiar with that exact horn so I do not know where lubrication is required. With the later 9H horns there is no lubrication.

It is important to follow the manual instructions on setting the points gap properly as a gap that is too big will cause the horn to draw excessive current. This is pretty obvious even without an ammeter in series because when the adjustment is wrong, there is a big spark as you energise the horn from your battery.

Stephen

[MsRose]

Thank you all.

[myoldjalopy]

Just clean the points first, before thinking about adjustment, that is all that they may need. It is often that they are correctly adjusted but the points have got corroded together or very dirty.