Introduction
Si la boîte de vitesses de votre Logitech G27 ne répond plus, il se peut que vous devriez remplacer le potentiomètre. Le potentiomètre est le composant électronique qui détecte le rapport de la boîte de vitesses. Le remplacement n'est pas très difficile, en gros vous devez juste dévisser beaucoup de vis.
Ce dont vous avez besoin
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Enlevez les six vis à six pans creux de 9,0 mm avec une clé hexagonale de 2,5 mm.
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Enlevez la vis noire de 12,3 mm à l'intérieur du pommeau avec un tournevis cruciforme #1.
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Ensuite, retirez le haut du pommeau et le cache en les soulevant tout droit vers le haut.
And remove the three 15.6mm screws with a Phillips #1 screwdriver.
seconded, please add the 3 “missing” screws into the guide. Almost started to try and pry the cover off with prying tools.
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Retournez la boîte de vitesses et retirez les 4 vis de 15,6 mm avec un tournevis cruciforme #1.
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Tirez le système de fixation vers le haut et hors de la boîte de vitesses.
The screws on the far left and right are too tight! What do I do?
This step isn't necessary.
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Retirez les deux écrous hexagonaux de 10 mm avec une douille de 10 mm et un cliquet.
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Ensuite, dévissez les pinces en tenant la partie inférieure du levier de vitesses et en dévissant la partie supérieure.
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Retirez également l'écrou de la vis s'il n'a pas été retiré avec la pince inférieure.
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Soulevez délicatement la moitié supérieure du boîtier par le bas.
I was completely unable to seperate the top half from the bottom, and that’s with my prying at it with screwdrivers and flatheads for about 20 minutes. There are absolutely zero screws visible from the bottom so i don’t know what that’s all about. Any thoughts? other than the fact that the plastic is disfigured forever.
After you remove the shift knob and the leather, three more screw holes become visible. You need to remove those as well (which this guide conveniently doesn’t mention).
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Vous aurez maintenant accès aux deux potentiomètres sur les côtés de l'ensemble. Assurez-vous qu'ils sont correctement connectés et, le cas échéant, remplacez-les en les retirant.
Anyone knows what type of potentiometers these are? I haven't been able to source them for years now.
The light brown circuitboard is for the down spdt switch to detect reverse
Where do you get replacement potentiometers ? , Iv not taken mine apart to look yet , but reverse no longer works on my shifter
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Pour réassembler la boîte de vitesses, suivez les étapes en sens inverse.
Pour réassembler la boîte de vitesses, suivez les étapes en sens inverse.
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Équipe
Cal Poly, Team 15-4, Amido Spring 2015 Membre de l'équipe Cal Poly, Team 15-4, Amido Spring 2015
CPSU-AMIDO-S15S15G4
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25 tutoriels rédigés
16 commentaires
Where can I buy replacement pots?
Great guide, thanks a lot for the effort. It turned out that one of the cables connecting the pot to the pcb had snapped. Just going to test now.....fingers crossed. :-)
Cheers. Andy M.
Hey did It work?
I didn't even have to replace them. Only cleaning with electronic cleaning spray and move the pots fully was enough to fix it. However, and I think that was the real problem, one of the pots was damaged because the plastic pointer it has to be inplace in the assembly was broken. Only one half was in place. I used something here we call "type cleaner clay", some sort of clay not use to play but to fix things to the wall or clenaning old typewriters. Comonly blue. Other forums says damaged pots are not common, only dirty or may be, as mine broken. Easy to fix
Has anybody found a source for these pots? I'm guessing they're proprietary? Possibly some version of CTS 252 series? Anything they can be replaced with? I've worked on a couple of these where people opened up the shifter pots trying to clean them and damaged them, and I cannot for the life of me find any replacements and I've searched high and low through every joystick potentiometer source I could find.
Hey do you know where I can get these piece for spare?
Thanks
Could this fix my shifter problem? First and second works fine but 3 recognises it as 1. 4th recognises as second fifth as first sixth as second and reverse is first. Could this fix it?
I had the same problem you have. I removed both pots and putted them in a cup of petrolum solvant (i used kerosene) for few minutes then put them back and the problem gone. Try to use cable tie before u bring the mechanisim out of its place so it will be easy for you to do the job.
this worked for my shifter too. i got the newer one as to date, the one thats for the g920. let my lil brothers friend use it, they hit it hard and gear one did respond, but kept going to neutral, when checked in devices and printers, the button was flickering a lot. the process was not exactly the same but most of it is. when in doubt, unscrew everything anyway. I accidentally put the metal ball into where the spring was supposed to be, it got stuck. I got a drill and drilled a whole on the side behind where i got the ball stuck. that did the trick. thanks m8, ma shifter works again
