Author Topic: Trip meter  (Read 920 times)

Offline tlmark

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Trip meter
« on: 25.05. 2017 18:30 »
Filled up for the first time this year (left it full over winter) a few days ago and for some reason I can't reset the trip meter? Worked fine before anyone have a this before or a clue as to wha it might be?
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Online morris

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Re: Trip meter
« Reply #1 on: 05.06. 2017 08:49 »
You'll have to get it out and see what's wrong with it. It's not a very complicated system. When the knob is pulled down, a tiny pinion engages with another one inside the speedometer cover. It may have come loose on the shaft.
I have the same problem on the plunger. Though it worked fine outside the headlamp shell, after mounting the tripmeter it refused to reset. As it's such a PITA on the cowpath type shell to get it out and get it back in, I just live with it for the moment.
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Online Greybeard

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Re: Trip meter
« Reply #2 on: 05.06. 2017 10:26 »
I recently removed and replaced the speedo out of my cowpat style cowling. If you lubricate the speedo rim groove of the rubber grommet before fitting the clock life gets a lot easier. I bought some bicycle grease, (from Halfords) which is OK with rubbers and plastics. You lower the speedo into the grommet then using an 'L' shaped tool, such as a small screwdriver with the end bent to 90° lightly press the speedo down against the grommet, carefully lift the rubber lip over the rim and then run the tool around pulling the rubber up and over the flange. Jobs a good-un!
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Offline duTch

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Re: Trip meter
« Reply #3 on: 05.06. 2017 11:02 »

 I had an issue with mine and when I pulled out apart, found the angle drive housing had come loose.
 A bit of a bigger to tighten, as something needsng needs to come off to get at the a few that holds it- so abandoned that plan,  but as it turned out the unit spat a couple of other gears layer so had it fixed at the same time.
 Seems to work ok,  but a bit stiff and apparently I need to do big numbers one way and tenths the other. .. *dunno*

 Have some pics I think I can post later
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Online RichardL

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Re: Trip meter
« Reply #4 on: 05.06. 2017 11:51 »
Timark,

Here are some photos from when I repaired mine. The first photo is before the fix, with the adjusting pinion on the vertical shaft that is broken off. The second photo shows the little pinion remounted to what I used for a shaft, which was a little awl. The third photo shows the pinion and shaft installed in the speedo before trimming to length.

Hope this helps.

Richard L.
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Offline tlmark

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Re: Trip meter
« Reply #5 on: 05.06. 2017 12:46 »
That's brilliant. Thanks, Richard can't beat photos when showing how something should or shouldn't be.
I'll pull it off and have a look  *wink2*
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Online JulianS

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Re: Trip meter
« Reply #6 on: 05.06. 2017 12:48 »
This is the mechanism for the side pull trip.
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Online RichardL

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Re: Trip meter
« Reply #7 on: 05.06. 2017 12:50 »
Oops. Edited.

By the way, I can't recall why the shaft housing is askew in the first photo, but I must have straightened it out if it was supposed to be straight.

Richard L.
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Online JulianS

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Re: Trip meter
« Reply #8 on: 05.06. 2017 13:01 »
Oops. Edited.

By the way, I can't recall why the shaft housing is askew in the first photo, but I must have straightened it out if it was supposed to be straight.

Richard L.

Pull the shaft out to reveal the retaining screw .
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Online RichardL

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Re: Trip meter
« Reply #9 on: 05.06. 2017 13:11 »
Oh yeah. Thanks for reminding me.

Here's one of the articles I studied before going inside back in '09. http://www.wdbsa.nl/Jaeger-Chronometric-Overhaul.pdf

(There we go.)


Richard L.
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Offline mikeb

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Re: Trip meter
« Reply #10 on: 06.06. 2017 03:06 »
Quote
here's one of the articles I studied before going inside back in '09
Richard that's a great article. my trip meter is also bung, so now feel more prepared to have a look inside
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Offline tlmark

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Re: Trip meter
« Reply #11 on: 12.06. 2017 11:14 »
Yes Richard thanks for the article, *wink2*

 I did have a look at the speedo yesterday!  but that bezel does not want to move and I'm a little worried about damaging it  *conf*
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Online RichardL

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Re: Trip meter
« Reply #12 on: 12.06. 2017 12:27 »
Maybe I just got lucky that my bezel came off by using two strap wrenches. Here's a picture.

Richard L.
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Online Angus

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Re: Trip meter
« Reply #13 on: 12.06. 2017 13:08 »
Hi I used Ian Bartram to fix my A7 speedo, near Beccles in Suffolk. He was great fitted all sorts of new bits including a bezel and very reasonably priced 01502 476612. He did say he could possibly do it while I waited but I left it with him for a week.
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Online RichardL

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Re: Trip meter
« Reply #14 on: 12.06. 2017 14:28 »
Angus,

I'm guessing around 150 GBP for the service. After spending $200 for the speedo (in 2009) I was getting a little money weary, so took it on on my own. Seems to work without problems and I was able to clean up the wheel strips and the face to look very nice.

Richard L.
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