Help: Porter Cable 7310

bruppert

bruppert

<Insert witty comment>
Silver Member
I was wondering why my trimmer has been having problems holding dimensions. I use the router mounted horizontally (parallel to the bed) on the cross slide and cut with the bottom of the bit. I don't want to mount it vertically as I already have my dust collection working well.

I just noticed the shaft in the trimmer floats in and out. It looks to be about .005 or so. I tried tightening the retainer with needle nosed pliers as I don't have a spanner wrench to fit it. It didn't move and seems tight.

Does anyone know how to tighten this up? Or is this best I can hope for?

Thanks
 
im not a cuemaker

I'm not a cue maker and by no means a machinists, but I work on aircraft. Some things we work on require spanned wrenches and we have used a brass drift or basically a rod that is made of a softer metal than your working with and placed it in the teeth of the object and carefully tapped with a hammer. Don't hit too hard or you may break the teeth off.
 
bdcues said:
If the collar is tight and you still have movement the bearing are worn out and need replaced. This should be done before more damage is done.


Bob Danielson
www.bdcuesandcomix.com
Click to expand...

Bob, does the bearing control lateral movement as well as radial? There is no play from side to side as you'd expect with worn bearings. Also as an FYI, I only have maybe 200 hours on the router.
 
whammo57 said:
http://forums.azbilliards.com/showthread.php?t=250315&highlight=router+rebuild

this might help

Kim
Click to expand...

Thanks Kim. I read that a while back and also printed it out in case I ever needed it. I am not sure if new bearings will fix the problem but they aren't very expensive and it seems worth a shot. I don't think I have a bearing puller like the one pictured but I do have the 3-arm type so hopefully that will work.

For anyone else interested here is a link to an assembly/parts diagram and also replacement parts.

http://www.ereplacementparts.com/porter-cable-7310-type-laminate-trimmer-parts-c-129_1861_7596.html

Thanks again,
Bryan
 
While a horizontal mount will work, most mount the router vertically and use a 3/4 straight bit or a slot cutter with anywhere from 3 to 6 wings.

Before I cut with the router I always lube the ways and the cross slides. Make sure that the gibs are not too loose. You might need to take up on them a little. Lube the feed screw.

Try to wiggle the router and see if anything can move.

Vibration can be from anything that is too loose.

You need to get a live center that is spring loaded..... squeeze the piece with the tailstock and then back it off a little so it is only held by the spring. Let the friction from the dead center in the headstock drive it.

I just have mentioned all the things that I have had happen to me.

Kim
 
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