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Old 09-01-2007, 01:48 PM   #1
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Default !!!two speed on my t-maxx!!!

i need to adjust it and i know how to on a jato but i cant find the little screw inside the t-maxx tranny that adjusts the shift point. i tried moving the spur around.
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Old 09-01-2007, 02:59 PM   #2
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Here is how I adjust my transmission shift point in my revo, same idea as tmaxx.
-Put the truck so all 4 wheels are on the table. grab a rear tire, pick only that tire up and slowly turn the tire until you see the hole in the transmission gear.
-Hold that gear with your allen driver and continue to slowly spin the transmission until the screw head lines up with the hole.
-Now you have access to loosen or tighten your transmission,.
HTH
Rod
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Old 09-01-2007, 03:31 PM   #3
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thanks a bunch dude i will try that right now, can i get some more details on it
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Old 09-01-2007, 04:46 PM   #4
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If it's the original t maxx transmission (black trans case), be very careful not to get the wrong screw.

The 2 speed clutch in the original maxx is held to its shaft with a grub screw which will appear in the adjustment window just like the shift point adjustment screw will. It's been so long since I adjusted one I don't remember off the top of my head what the official method is for getting the right screw where you want it, I just look in and can tell which one I've got by the angle of the hole it's in. The screw holding the clutch on is drilled perpendicular to the shaft centerline while the adjustment screw is drilled offset to the outside circumference of the clutch assembly. If this makes sense to you go for it, otherwise I'd go to the traxxas website and get a copy of the 2.5 t maxx manual to make sure I was turning the right screw. Loosen the wrong one and you will have to open the transmission up to get it back right.

The 3.3 max (gray trans case), has been stupid proofed by pinning the clutch to the shaft so the only screw you will see through the adjustment hole is the shift point adjuster screw.

In both transmissions, loosen for a quicker shift or tighten for a later shift. It only takes a little adjustment to make a big change in your shift point.
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Old 09-01-2007, 06:32 PM   #5
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+1 yeah, if it is the old 2.5 or older case (black), it is the angled hole and screw, not the vertical one
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Old 09-01-2007, 07:41 PM   #6
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ok thanks a bunch guys
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