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Old 10-01-2003, 08:08 PM   #1
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Default Really need help with moster stock!!!!!!!!

I have a moster stock that when you screw the screws for the endbell on the armature is hard to spin. I dont know why, but i start racing on friday and i need this motor. Someone help!!!!!!!!!
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Old 10-01-2003, 08:12 PM   #2
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did you check your bushings that they are lined up or seated right? did you over tighten your screws? did you lube your bushings? if you did all those...and your motor is new..go return it for a new working one!

cant think of anything else that might cause it..hope it helps!
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Old 10-01-2003, 08:26 PM   #3
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HeY!!!

hey sorry to here you got problems w/ monster, maybe it aint threaded properly??? and also what disaster said. hmmm i can't think of anything else.
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Old 10-01-2003, 08:28 PM   #4
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How about the shims...too many maybe ?
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Old 10-01-2003, 08:28 PM   #5
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take a shim out of it, i had that exact problem and i talked to steve and lee about it and they said that it was overshimed, but i did not put more shims in it

weird but it worked!
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Old 10-01-2003, 08:31 PM   #6
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haha..thats what i forgot...the shims!!
ya...check the shims!
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Old 10-01-2003, 09:09 PM   #7
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Default Monster Probs

If its not the shims its the bushings.........do this:

Screw it all together.....and smack each end of the armature off of a hard surface a few times......it will seat the Bushings. I've had this problem several times with other motors as well as my monsters.

-Chris
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Old 10-01-2003, 09:10 PM   #8
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Thanks guys i did all of things and i think its fixed. Its a lot better than it was. Thanks
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Old 10-01-2003, 10:31 PM   #9
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open the can and take out the round plate inside the motor, i can almost guarantee you the problem is because this plate is bent ( you must tried tighten the screws very hard ) just bend it back and it should be fine.
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Old 10-02-2003, 04:16 AM   #10
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Add a washer under the screws that hold the endbell on, some times they will hit the magnet if they are a bit too long. This can loosen the magnet too.
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Old 10-02-2003, 12:55 PM   #11
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Default Re: Monster Probs

Quote:
Originally posted by Chrisgt2
If its not the shims its the bushings.........do this:

Screw it all together.....and smack each end of the armature off of a hard surface a few times......it will seat the Bushings. I've had this problem several times with other motors as well as my monsters.

-Chris
Just a light tap is all that is needed. If you tap too hard into the Endbell, you will bend the Timing Ring.
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Old 10-02-2003, 05:40 PM   #12
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You may have put the large phenolic shim (the big diameter one that looks like fiberglass) on the wrong end of the motor. It goes on the COMM end.
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Old 10-02-2003, 10:09 PM   #13
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Default Really need help with moster stock!!!!!!!!

Guys;

Another problem that I've had when shimming my Monster Stocks. Is that to correctly center the Armature, you cannot add another shim in front of the large Phenolic Washer and still be centered.
What I've had to do is remove the Endbell Bushing and Lap the inside face down about .005+.

Why, because of the larger surface area the Phenolic Washer alone will cause more drag than a smaller diameter shim would.
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Old 10-02-2003, 10:25 PM   #14
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what do you mean by lap the inside down?

i have this same problem that i cant center my monster with out taking that large fiber washer out.
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Old 10-03-2003, 12:48 AM   #15
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I take the endbell bushing out and sand it down using some 2000 grit sandpaper. That makes the surface smoother and gives the arm the extra room needed for proper spacing. Keep in mind that very little needs to be removed. Just sand the bushing until it looks smooth as glass and then reinstall it into the endbell. That will take off that fraction of a mm that is causing the shimming problem.
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