With interest, I will explain a good way to open GL gauges

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pistolpete
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Re: With interest, I will explain a good way to open GL gaug

Post #31 by pistolpete » Sun Jul 14, 2013 7:58 pm

Ready for more questions.
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Re: With interest, I will explain a good way to open GL gaug

Post #32 by pistolpete » Sun Jul 14, 2013 9:04 pm

With careful progress the gauge will open as shown in the picture.
Notice that the ring is nice and flat and there is no damage to the bezel or the bottom half.

Now you can hold the bezel and movement while you remove the two loosened bottom screws.

With the sharp end of the start tool you can carefully pry the trip boot from the inside of the bezel.
It is glued to the bezel so work carefully.
Done with care, the boot may be pushed inside the bezel.

In picture 16, use a points file and gently file the sharp corner off from the trip knob.
Picture 17 shows how much to file. The small amount filed away will allow you to remove the movement with trip attached, out of the trip hole in the bezel.

Now you can safely remove the crimp ring.
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Re: With interest, I will explain a good way to open GL gaug

Post #33 by pistolpete » Sun Jul 14, 2013 9:17 pm

The removed un-crimped ring should look similar to the picture below.

With the movement out of the cases, you should mark the speed bell as shown so the needle can be replaced close to the correct position.

Hold firmly the speed bell and remove the needle with a firm clockwise twisting movement as shown in picture 20 and 21
Avoid touching the face unless it is to be replaced.
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Last edited by pistolpete on Sun Jul 14, 2013 9:46 pm, edited 1 time in total.
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Re: With interest, I will explain a good way to open GL gaug

Post #34 by pistolpete » Sun Jul 14, 2013 9:31 pm

Now the faceplate can be removed

To remove the trip knob, please note that the movement shaft has a small keyway in it.
This should be positioned so the keyway can be gripped by the knurl of a strong set of pointed pliers.
On the 75 and 76 the trip knob shaft is aluminum and red Loc-Tited to the threaded end of the movement shaft.
Using a butane lighter, heat the trip shaft at the end for approx. 30 seconds on low flame.
Firmly twist the trip knob clockwise to remove.
This may take 2 tries, but it will come off.

On a 77 thru 79 the shaft is plastic and with a firm grip it should be able to be removed without heat.
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Last edited by pistolpete on Sun Jul 14, 2013 9:48 pm, edited 1 time in total.
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Re: With interest, I will explain a good way to open GL gaug

Post #35 by pistolpete » Sun Jul 14, 2013 9:33 pm

OK fellows, let me know what you think.
Pete
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Re: With interest, I will explain a good way to open GL gaug

Post #36 by tlbranth » Sun Jul 14, 2013 9:38 pm

wog wrote:Ok, I'll go...
Do you use a wet grinder or just let the screwdriver air cool after just a little grinding, then grind some more?
Won't take much to get the tips hot and lose their harness.


When I rough-sharpen wood chisels, I fold up a piece of paper towel so's it's just wider than the chisel and a couple of inches long, soak it in water and hold it on top of the blade down to within 1/8" or so of the cutting edge. I grind slowly and dunk the chisel often in cold water, never letting it get too hot. The wet towels keep things cool by evaporation.
Should work with a screwdriver too.
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1999 GL1500 SE
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Re: With interest, I will explain a good way to open GL gaug

Post #37 by pistolpete » Sun Jul 14, 2013 9:49 pm

Great idea Terry.
Thanks
Pete
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Re: With interest, I will explain a good way to open GL gaug

Post #38 by ericheath » Sun Jul 14, 2013 9:58 pm

Wel, you've clearly demonstrated that you're worth every penny you charge. I'm sure I could botch that two or three times over. Thanks for sharing your insight here at NGW.
Whatever I suggest here should be given ample time for a moderator to delicately correct. I apologize in advance.
77 WING, 1200 engine with 77 heads, cams, gl1100 foot pegs, Magna V65 front end, 764A carbs, [-gone Suzuki M109 monoshock--, replaced with gl1100 shocks] gl 1200 swing arm, gl1500 final drive, wheel and rear brakes Valkyrie seat, Meanstreak tank, Sportster pipes, Power Arc ignition off crank.
77 Wing. black
83 Wing, in pieces
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Re: With interest, I will explain a good way to open GL gaug

Post #39 by pistolpete » Sun Jul 14, 2013 10:08 pm

Thanks Eric...,
Our shop method is a little more refined but I do hate to see guys have problems doing their own gauges hit or miss.
Pete
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Re: With interest, I will explain a good way to open GL gaug

Post #40 by Recycled Roadkill » Sun Jul 14, 2013 11:03 pm

Pete, do you have any information how calibration is done while the guts are accessable?
Bob Gill
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It's never too late to have a happy childhood!
I've considered joining Insomniacs Anonymous, but I decided I'd sleep on it.

'96 Honda GL 1500A Rolling Couch (Not Naked)
'78 Honda GL 1000 Gentle Glide
'77 Honda GL 1000 Black Mamba (Sold) :(

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Re: With interest, I will explain a good way to open GL gaug

Post #41 by Sandy » Mon Jul 15, 2013 8:09 am

I'm following the post.
I still think I need to find a sacrificial unit to experiment with before trying the good units.

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Re: With interest, I will explain a good way to open GL gaug

Post #42 by pistolpete » Mon Jul 15, 2013 9:06 am

Sandy,
Great approach and of course I did the same thing.

Bob and others,
Cut off the gauge end of a bad cable insert about 1" long.
Put the piece in a drill motor before beginning the removal procedures above.
It must turn in reverse before before you place it into the end of the tacho or speedo.
Turn it on full speed and see where the needle of the gauge stops.
Mark down the reading and then when the movement is finished with faceplate and needle, repeat the drill motor operation and carefully move the needle til the readings match what you wrote down.
Pete
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Re: With interest, I will explain a good way to open GL gaug

Post #43 by Recycled Roadkill » Tue Jul 16, 2013 11:45 am

Pete, do you have a similarly intelligent method of recrimping the ring once the speedo had been serviced?
(I can't help but think you've been laying in wait for this question.) :)
Bob Gill
Four wheels move the body but two wheels move the soul.
It's never too late to have a happy childhood!
I've considered joining Insomniacs Anonymous, but I decided I'd sleep on it.

'96 Honda GL 1500A Rolling Couch (Not Naked)
'78 Honda GL 1000 Gentle Glide
'77 Honda GL 1000 Black Mamba (Sold) :(

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pistolpete
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Re: With interest, I will explain a good way to open GL gaug

Post #44 by pistolpete » Tue Jul 16, 2013 1:58 pm

Bob,

Yes

Pete
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Re: With interest, I will explain a good way to open GL gaug

Post #45 by Recycled Roadkill » Tue Jul 16, 2013 2:14 pm

:lol: Ummm, that you'd be willing to share with us?
Bob Gill
Four wheels move the body but two wheels move the soul.
It's never too late to have a happy childhood!
I've considered joining Insomniacs Anonymous, but I decided I'd sleep on it.

'96 Honda GL 1500A Rolling Couch (Not Naked)
'78 Honda GL 1000 Gentle Glide
'77 Honda GL 1000 Black Mamba (Sold) :(


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