Help - Search - Members - Calendar
Full Version: JACKSHAFT BEARING?
HCS Snowmobile Forums > Snowmobile Forums > Polaris General Discussion > Pro-X

part-time
this is the only bearing that i have left to replace.the bearing i got from my dealer looks like the wrong one?how does it come off?is it pressed on? the new bearing won't go on the jackshaft and looks different(no grease hole).can i just change this bearing without removing brake?
thanks
ditchbangin
first you need to remove the brake caliper. just unbolt the two allen bolts and lay it to the side. next you need to remove the chaincase. drain from bottom using the 3/16 allen plug then pull the cover off, 4 bolts from the outside and remove the gears,adjuster and chain. unbolt the chaincase housing. there is 3 thru bolts and one 3/8,9/16 hex, bolt from the inside of the tunnel. remove the flangette from the bulkhead and set aside. there is a liitle setscrew possibly two in the collar with the bearing. remove these. a new collar and set screw comes with the new bearing. you may need to heat the bearing as they seize on sometimes. a little kroil or pb blaster helps two. get a nylon hammer like a deadblow and a drift and start working on it. it helps if you have someone on the othe side of the sled holding the brake rotor to back it up. the bearing is not pressed on. get some 200 grit emery and lightly sand the jackshaft to remove corrosion. replace the bearing and collar noting the grease hole location. assemble everything lose and when it is all back together spin the jackshaft a few times and torque everything up. you really should get a service manual from polaris, it will save you money in the end. you can change it without going to all this work but if it is really seized up that bad you will do more damadge than good trying to beat the bearing off. there are seals and bearings in the chaincase that might be compromised when beating on the bearing. it sounds alot harder than it really is, and i hope i explained it well enough. everybody has there own way of doing things so maybe with a little input from a few people you will conquer the pain in the ass jack shaft. good luck.
trbomax
The kids got it right,but most pro x sleds have the old style lock ring on the bearing.This is actually the same bearing assy pol has used since the mid 1980's on thier axels too.You need to loosen the set screw on the lock collar,thenuseing a small drift punch,tap it in a ccw direction to loosen it. It willcome loose and separate from the bearing.The bearing will be rusted onto the shaft so hose it down with kroil or blaster and have a beer. Begain tapping the bearing off the shaft [after you have removed the three 5/16" nuts,carrige screws and outer bearing flangette]If you work carefully around the shaft,the bearing should come off. This type bearing is not a press fit to the shaft.Clean up the shaft,the new bearing should slide into place by hand. put it on the shaft with the lock collar faceing in.bolt up the flangetteswith a new gasket between them and the fitting at10 oclock. BE SURE THE GREASE HOLE IN THE OUTER RACE OF THE BEARING IS LINED UP DIRECTLY UNDER THE ZERK ON THE OUTER FLANGETTE.TIGHTEN THESE THREE NUTS TO 13 FT #.SLIDE THE LOCK COLLAR ONTO THE SMALL PROTUBING RING ON THE INNER BEARING RACE.As you rotate the ring , it will binb or jam on the axel.This is how it works,the small hub on the bearing has an eccentric ground on it that matches the id of the collar. When thy jam,use your punch in the UNTHREADED HOLE TO TAP IT AROUND MORE SECURLEY,ABOUT 10 deg is enough.Clean allthis up with brake cleaner,blow dry,install the set screw with blue loctite,and you should be good to go !
Stovepipe
Part time ,Did you ever figure out the headlight cutting out problem with the PRO X
GoTTa B MoDDeD
QUOTE(Stovepipe @ Dec 5 2005, 01:38 PM)
Part time ,Did you ever figure out the headlight  cutting out problem with the PRO X
*



I had to replace the Plug on the harness on both of my bulbs. 3.99 ea. at the auto store.
part-time
QUOTE(Stovepipe @ Dec 5 2005, 01:38 PM)
Part time ,Did you ever figure out the headlight  cutting out problem with the PRO X
*



Stovepipe,
Near as I can tell it was the wrench came out of the pack in the trunk and worked its way under the seat.When I took the seat off last year the wrench was in the middle,right under the wires.There was a small mark in one wire,so my guess is that it was grounding out.Just over 4100 miles on the sled(now my wifes).changed all the bearings just to be safe(she won't let me trade it in yet).Goin to the UP this Sunday hopefully we can get 4 or 500 miles on.
Thanks Again
Stovepipe
QUOTE(part-time @ Dec 5 2005, 04:32 PM)
Stovepipe,
Near as I can tell it was the wrench came out of the pack in the trunk and worked its way under the seat.When I took the seat off last year the wrench was in the middle,right under the wires.There was a small mark in one wire,so my guess is that it was grounding out.Just over 4100 miles on the sled(now my wifes).changed all the bearings just to be safe(she won't let me trade it in yet).Goin to the UP this Sunday hopefully we can get 4 or 500 miles on.
Thanks Again
*



You might want to check the dimmer switch and make sure the wires are not melting off the switch. I put two dimmer switches on that sled wires burnt right off the switch, and also found some tools from the tool pouch jammed against the wire harness like yourself. Careful alot of trails in the UP dont open and are gated until black powder is over Dec 15 lots of threats about loosing the trails if sledders keep going around the gates. Have fun
part-time
we are heading over to christmas mich.i think the gates are closed around curtis and newberry.we'd never go around just find some other place to ride.come on up,we are stayin at the pair a dice (arrive sunday,leavin friday).it will be my wife,daughter and my buddy.if you can make it, it should be a good time.
Stovepipe
Thanks for the offer , Working on hauling wood for a week or so . I hope to get up once before christmas .
This is a "lo-fi" version of our main content. To view the full version with more information, formatting and images, please click here.
Invision Power Board © 2001-2009 Invision Power Services, Inc.