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Repair your ammeter #542174
05/08/14 11:24 pm
05/08/14 11:24 pm
Joined: Jun 2007
Posts: 6,035
Maui Hawaii
HawaiianTiger Offline OP
BritBike Forum member
HawaiianTiger  Offline OP
BritBike Forum member

Joined: Jun 2007
Posts: 6,035
Maui Hawaii
Just a note to mention how you might get some more miles out of the Lucas ammeter.
I bought one of these from one of the Indian suppliers and installed it.

We'll see how durable it is. Price was right. A bit lower than the Lucas repro out there. I like the operation of it. It seems a bit more sensitive and smooth without the wiggles of the Lucas unit.
So, before I chucked the old one in the can I thought I'd salvage any brass hardware off it. Waste not, etc.
Just for grins I thought I'd pop off the back and see why it died. The needle had fallen off and was bouncing around inside. I'm sure you all have seen that happen.
The phenolic back popped off by inserting a small screwdriver between the body and the back and it came off in one piece.
Then I began to look closer.
This little screw is what traps the needle in place. Magnetism is what centers the needle. No springs or anything else in the meter.

Then with steady hands and straining my low-definition eyeballs, I managed to trap the needle back in position. Wham bam, hot damn. Just like new. Or close enough, anyway.



I glued the phenolic back on the body with Gorilla glue.
I wonder how many of these I've thrown away over the years when ten or twenty minutes worth of work I could have repaired it.
Live and learn.
Cheers,
Bill


Bikes
1974 Commando
1985 Honda Nighthawk 650
1957 Thunderbird/T110 "Flying Tiger"
Antique Fans: Loads of Emersons (Two six wingers) plus gyros and orbiters.
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Re: Repair your ammeter [Re: HawaiianTiger] #542202
05/09/14 6:50 am
05/09/14 6:50 am
Joined: Sep 2013
Posts: 745
Westminster, Colorado
stubbicatt R.I.P. Offline
In Remembrance
stubbicatt R.I.P.  Offline
In Remembrance

Joined: Sep 2013
Posts: 745
Westminster, Colorado
thanks bill


Hate is a poison which one consumes hoping for another to die.
Re: Repair your ammeter [Re: HawaiianTiger] #542210
05/09/14 8:01 am
05/09/14 8:01 am
Joined: Aug 2001
Posts: 1,716
Jordan, NY
Al Eckstadt Offline

BritBike Forum member
Al Eckstadt  Offline

BritBike Forum member

Joined: Aug 2001
Posts: 1,716
Jordan, NY
I can't remember the details but several years ago I made one good ammeter out of two bad ones. Good work, Bill.


Al Eckstadt
Re: Repair your ammeter [Re: HawaiianTiger] #542247
05/09/14 12:52 pm
05/09/14 12:52 pm
Joined: Jun 2005
Posts: 626
Western Oregon
enigmaT120 Offline
BritBike Forum member
enigmaT120  Offline
BritBike Forum member

Joined: Jun 2005
Posts: 626
Western Oregon
I can't believe they spelled discharge wrong!


Ed
1970 Bonneville
Re: Repair your ammeter [Re: HawaiianTiger] #542248
05/09/14 12:56 pm
05/09/14 12:56 pm
Joined: Feb 2014
Posts: 1,204
Lancaster, California
C.B.S Offline

Parts Dealer
C.B.S  Offline

Parts Dealer

Joined: Feb 2014
Posts: 1,204
Lancaster, California
LOL! They sure did!

Re: Repair your ammeter [Re: enigmaT120] #542258
05/09/14 2:10 pm
05/09/14 2:10 pm
Joined: Jun 2007
Posts: 6,035
Maui Hawaii
HawaiianTiger Offline OP
BritBike Forum member
HawaiianTiger  Offline OP
BritBike Forum member

Joined: Jun 2007
Posts: 6,035
Maui Hawaii
Originally Posted By: enigmaT120
I can't believe they spelled discharge wrong!


laughing laughing laughing
I surprised it doesn't say "Made in Englnad"
Is there a town in India named England?
I've heard there is a town in Japan called Usa.

Cheers,
Bill


Bikes
1974 Commando
1985 Honda Nighthawk 650
1957 Thunderbird/T110 "Flying Tiger"
Antique Fans: Loads of Emersons (Two six wingers) plus gyros and orbiters.
Re: Repair your ammeter [Re: HawaiianTiger] #542290
05/09/14 7:11 pm
05/09/14 7:11 pm
Joined: Aug 2013
Posts: 495
Australia
D
downhere Offline
BritBike Forum member
downhere  Offline
BritBike Forum member
D

Joined: Aug 2013
Posts: 495
Australia
{'d have left the repro one on to see how many experts would notice!

Re: Repair your ammeter [Re: HawaiianTiger] #542310
05/09/14 11:16 pm
05/09/14 11:16 pm
Joined: Jun 2007
Posts: 6,035
Maui Hawaii
HawaiianTiger Offline OP
BritBike Forum member
HawaiianTiger  Offline OP
BritBike Forum member

Joined: Jun 2007
Posts: 6,035
Maui Hawaii
So, how do you pronounce that? Dish-rage? Brings to mind the angry housewife smashing her husbands dinner plate on the floor. Odd, I know...sorry.
I will leave the Indian ammeter in place until it dies.

Cheers,
Bill


Bikes
1974 Commando
1985 Honda Nighthawk 650
1957 Thunderbird/T110 "Flying Tiger"
Antique Fans: Loads of Emersons (Two six wingers) plus gyros and orbiters.
Re: Repair your ammeter [Re: HawaiianTiger] #542331
05/10/14 6:21 am
05/10/14 6:21 am
Joined: Apr 2007
Posts: 819
Brisbane, Australia
BrizzoBrit Offline

Life member
BrizzoBrit  Offline

Life member

Joined: Apr 2007
Posts: 819
Brisbane, Australia
Yep, quality control plus. That must be the Ind-glish (nyuk nyuk) spelling. The new Chin-glish.

Did exactly the same repair about 2 months ago on one of mine. I found the pointy bits that the plastic needle sits in the 'bearings with were quite worn. I once stuffed one thinking that screw was a 'centralising' screw like you see on electronic instruments. Unscrewed it an the needle fello out of its 'bearings' Haha, stupid me in a fit of frustration chucked it out without thinking I could have fixed it. In my fiddling I worked out you can use that screw like a damper to stop those wild swings. That happens when the needle is loose in the 'bearings'.

Turn your lights on and off and you will find with slight adjustments of that you can slow down the needle swing to the point where it moves smoothly in a nicely damped manner. I think these wear and regularly tweaking the screw a little bit might stop the needle popping out which seems to be the common failure with these.

Cheers
Ray


BSA 1969 A65F
BSA 1966 A65H
Triumph 1968 T120
Kawasaki A1R
& too many projects!
Re: Repair your ammeter [Re: HawaiianTiger] #542339
05/10/14 8:15 am
05/10/14 8:15 am
Joined: Jun 2007
Posts: 1,649
Douglasville (Atlanta) Georgia
DPO Offline
BritBike Forum member
DPO  Offline
BritBike Forum member

Joined: Jun 2007
Posts: 1,649
Douglasville (Atlanta) Georgia
Mine just "jiggles"....it's totally by-passed by the PO...


If you love it, let it go. If it comes back, you've highsided!"

1971 Triumph T120
2005 Triumph "America"
1976 BMW R90/6
Re: Repair your ammeter [Re: HawaiianTiger] #542361
05/10/14 11:59 am
05/10/14 11:59 am
Joined: Aug 2001
Posts: 888
Annapolis, MD
Dennis B, R.I.P. Offline
BritBike Forum member
Dennis B, R.I.P.  Offline
BritBike Forum member

Joined: Aug 2001
Posts: 888
Annapolis, MD
Thanks for the post Bill
it turned out to be very helpful
yesterday I took my Bonneville out for a spin
and saw my amp meter was moving UP AND DOWN!
(it didn't work before, but it never did that)
so today I took it out (it had come apart)
and I fixed the needle, which was the same as yours
and glued the thing back together, and it works GREAT!
I now have a working amp gauge, thanks again
Cheers
Dennis B


Member # 182
'73 750 Commando
'72 Combat Commando
'71 Triumph Blazer
'69 Victors
'68 Starfire
'51 Royal Enfield 250 'S'

Re: Repair your ammeter [Re: HawaiianTiger] #542375
05/10/14 1:48 pm
05/10/14 1:48 pm
Joined: Jun 2007
Posts: 6,035
Maui Hawaii
HawaiianTiger Offline OP
BritBike Forum member
HawaiianTiger  Offline OP
BritBike Forum member

Joined: Jun 2007
Posts: 6,035
Maui Hawaii
Oops, sorry suppliers. Sudden decline in ammeter sales?
Probably not, but happy to help a guy or two.
Now, what I have to do is re-wire my ammeter to show current draw instead of alternator output. It's not very useful info the way I have it.
Cheers,
Bill

Last edited by HawaiianTiger; 05/10/14 1:49 pm.

Bikes
1974 Commando
1985 Honda Nighthawk 650
1957 Thunderbird/T110 "Flying Tiger"
Antique Fans: Loads of Emersons (Two six wingers) plus gyros and orbiters.
Re: Repair your ammeter [Re: HawaiianTiger] #542410
05/10/14 6:01 pm
05/10/14 6:01 pm
Joined: May 2010
Posts: 2,587
Illinois, USA
TR6Ray Offline

BritBike Forum member
TR6Ray  Offline

BritBike Forum member

Joined: May 2010
Posts: 2,587
Illinois, USA
Bill,

The people who made my re-pop ammeter weren't brave enough to even try to spell out the words. There is just a (-) and a (+) sign. The gage works though.

I like Pete R's idea of a jumper wire across the ammeter.
Originally Posted By: Pete R
The other fix is to use about 6" of wire to join the ammeter terminals.
The ammeter will still read,but only about 1/2 as much.
The ammeter is less likely to burn out,with only 1/2 as much current going through it.
If it does burn out,the 6" of wire keeps the bike going.

Every time I go out to do that little task, I decide to ride instead. It was a long Winter.

Ray


'64 TR6R Plus some Twins from other countries (U.S., Germany, Japan)

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