is it possible to zap glue my arm gear to the shaft without removing the gear from the arm shaft?i have an aurora gearplate with a mean green,but the gear has come loose on the shaft.=no go:confused:

You could try, might hold for a while if there is absolutely no trace of oil in the gap. The most effective fix is to press on a new gear.

Pull the gear off,put a steel BB on the hole,
tap it with a hammer,flip over the gear-repeat.
Press back on. If it fails again-throw it away
and press on a new gear.

guess it'll have to wait til i can get me a press and some spares.luckily i have a stock grey red arm on a gearplate to substitute it...i guess a gear press is absolutely essential to do this?

Deep in the bowels of the RRR site is a technique for creating splinage on an arm shaft.
While not exactly kosher from a machinists point of view it works quite well for runners once ya get the hang of it.

Some guys use green loc-tite, the type for bearings and sleeves.

While it may open a bottomless debate on the perils of heat, I still solder some of mine depending on the wind... and some I even spline and solder.

The press and the puller BOTH are nice to have if your going to be doing lots of this type of work. This is not to say that with some practice you cant become quite adept at the cromagnon methods for gear R&R.
The screw driver, the hammer, and the punch are still viable tools if you have the knack and a deft stroke.
But for most those days are long back in the rear view mirror and many now turn their noses up at using stone knives and bearskins to fix t-jets.

Of greater importance is knowing how to dress and lap gears that one has pounded on using the cave man methods...because no matter how careful you are YOU will doink a few.

Yup, I just use a punch like Bill says, tightens them back up just fine.... I would HIGHLY recommend a gear press to put them back on, you want the gear as straight as can be...

thanks guys,so broke right now i can't pay attention...can't justify the expense of fancy tools right now...but can't afford to dork up a good part either with stone knives and bearskins...

Hi. I have had good luck using a phillips screwdriver tip. Tip should be about twice as large as gear hole. Place gear on flat metal or concreate surface. Put screwdriver tip in hole and hit/tap lightly with small hammer. Should put 4 small dents in hole of gear. I put dented side of gear towards arm.Then use vise to press gear on arm shaft. No vise, then place gear on hard surface as described above with dents facing you. Put arm through gear plate then put arm shaft (gear side) on gear hole and lightly tap/hit arm shaft (commutator side) on with the hammer. The GIECO Caveman fix! Good Luck :)

I had to take the Hippocratic Oath on slot car repair, so I won't mention things involving hammers, vice grips, and table saws ... no matter how tempting.

Hi. I have had good luck using a phillips screwdriver tip. Tip should be about twice as large as gear hole. Place gear on flat metal or concreate surface. Put screwdriver tip in hole and hit/tap lightly with small hammer. Should put 4 small dents in hole of gear. I put dented side of gear towards arm.Then use vise to press gear on arm shaft. No vise, then place gear on hard surface as described above with dents facing you. Put arm through gear plate then put arm shaft (gear side) on gear hole and lightly tap/hit arm shaft (commutator side) on with the hammer. The GIECO Caveman fix! Good Luck :)

how does that help bond the gear to the armature shaft,exactly???:confused:oh wait!it doesn't matter i just pooched the arm!damn!at least i managed to put a aw mean green and arm gear into the aurora gearplate,with a bit of reaming...works fine,but shame about that arm....lesson learned-buy the right tool for the job!

It's taking a little material from the gear and relocating it (by force) into the hole, thus making it a snugger fit.

thats what i thought.mighta worked too,if i hadnt ripped off the comm plate by accident...one o those days...

thats what i thought.mighta worked too,if i hadnt ripped off the comm plate by accident...one o those days...

Perfect victim for a rewind! LOL!

oh,thats waaaaay beyond me,bill...you must be joking...hall...lol!

oh,thats waaaaay beyond me,bill...you must be joking...hall...lol!



Quick learner,:thumbsup:

especially with ag&g out there doing a great job already!i ll stick to swapping wheels for now,i think!

ok,, I read somewhere there is another method to stick a gear to the shaft.. don't require rock hammers... or brutal removal of armature plates... or a bearskin.. :freak:
Cheap.. "as in chinese built" vice grips. smaller ones. make sure the serations in the jaws are "sharp"... pinch the shaft with the vice grips... causes the material to move and somewhat spline the shaft, then carefully.. press the gear on I use channel lock pliers.. making sure that I have the gear level before I squeeze it backon..
Slightly peening the center hole of the gear with a punch can't hurt as well.
Chris

ok,, I read somewhere there is another method to stick a gear to the shaft.. don't require rock hammers... or brutal removal of armature plates... or a bearskin.. :freak:
Cheap.. "as in chinese built" vice grips. smaller ones. make sure the serations in the jaws are "sharp"... pinch the shaft with the vice grips... causes the material to move and somewhat spline the shaft, then carefully.. press the gear on I use channel lock pliers.. making sure that I have the gear level before I squeeze it backon..
Slightly peening the center hole of the gear with a punch can't hurt as well.
Chris

Thats the trick from 3R!