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repowering a power torque how to

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smokie
Hudson

Status: offline

Posted - October 30 2009 : 12:01:39 AM

Well, I figured I would do a how to post on repowering a power torque with the tray motor from an older box style playstation 2. the pictures are not good, i have an older camera. it's the best i can do for now.

the fist thing you do is remove the old screwed up power torque from the engine. remove the brush plate off, remove the trucks side frames, remove the pinion gear with a couple small flat head screw drivers (don't screw it up, you will need it). after the pinion is removed, pull out the magnets & all the wheels & gears if you haven't already. remove the bronze bushing that the armature shaft goes through. All that's left is a bare power torque frame. I use a 9/32 drill bit to enlarge the hole the bushing came out of.

Then get out your dremmel, or die grinder or whatever you use & start making room for the larger ps2 motor. Notice in the picture I didn't try to make everything level, I just knocked out the high spots, & enlarged the opening for the new motor to fit in.

Check it to make sure the motor fits. I try to make it a little bigger than the motor, about .020" on each side is plenty. I do this so I can set the pinion tight up against the big ring gear. you need some room to play around.

after you get that fitting good, take the pinion gear & hand drill it. i use a pin vise & a 1.8mm bit. start on one side & go about half way through, the start on the other side & finish it all the way through. sorry no picture, i forgot i was doing a tutorial. see if it will fit the shaft. if it's a little small, go through the pinion gear with a 2mm bit, but no bigger.

get a pair of vice grip pliers, & two small screw drivers. You can pry the shaft out of the new motor to help it reach the ring gear. I think I pulled mine out about .080" more than it was. if you do it like in the picture you shouldn't screw anything up.

before you install everything, take a little super glue & go around the bushing on the new motor. your gluing the bushing to the motor. do not get any glue on the shaft & the bushing. it's a PITA to get unstuck. ask me how i know.

get your plastic gears cleaned up, & grease them up & install them back on the power torque frame. now put the motor in, & install the pinion gear on the shaft. the round flat part goes out. mesh it up with the teeth on the ring gear. i push the pinion down to where the flat part of the pinion gear is about .010"-.015" from the teeth on the ring gear. if you don't have enough shaft sticking out for the pinion to go all the way down on, repeat the vise grips & screw driver trick until you do. after you have the pinion on the shaft where you want it, super glue the pinion to the shaft & let it dry. after it's dry your ready to glue in the motor for good. i use permatex yellow weather stripping glue. you can get it at auto zone. i put the glue in the PT frame & slide in the motor. then make sure the pinion is meshed up with the ring gear. i just push them together, & let them start to dry, then i spin the ring gear with my finger nail just so i know it will turn. i test it to make sure everything is going to work before i let it dry.

the first time you test it you might have to spin it with your finger nail. after you get it running good & smooth your done with the hard part. i take a 1.8mm drill bit & drill a small hole on the rear top of the PT frame. then tap it with a 2-56 tap. using the lower brush plate brush retainer plate, i screw it down into the hole i just drilled & tapped. this is where the red wire from the motor will solder to.

if you use it in a 630 you have to put the bolster on first before you solder it. if you using it in a 630 you modify the bolster a little. all you do is cut out the top center where the spring rides. you have to do this for clearance of the motor & bolster. i run the wires the the hole in the bolster. it keeps them out of the way. after you have the clearance needed (it will turn freely side to side), you can finish hooking up the wires, putting the trucks back on with the wheels, & install it back in the engine & run the heck out of it.

jerry

Edited by - smokie on October 31 2009 7:24:03 PM

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